| blob | cb01381e6deee4fa02edbcfae0fcdd33bf1252b4 |
1 # configure.in for GCC
2 # Process this file with autoconf to generate a configuration script.
4 # Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
6 #This file is part of GCC.
8 #GCC is free software; you can redistribute it and/or modify it under
9 #the terms of the GNU General Public License as published by the Free
10 #Software Foundation; either version 2, or (at your option) any later
11 #version.
13 #GCC is distributed in the hope that it will be useful, but WITHOUT
14 #ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 #FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 #for more details.
18 #You should have received a copy of the GNU General Public License
19 #along with GCC; see the file COPYING. If not, write to the Free
20 #Software Foundation, 59 Temple Place - Suite 330, Boston, MA
21 #02111-1307, USA.
23 # Initialization and defaults
24 AC_PREREQ(2.13)
25 AC_INIT(tree.c)
26 AC_CONFIG_HEADER(auto-host.h:config.in)
28 remove=rm
29 hard_link=ln
30 symbolic_link='ln -s'
31 copy=cp
33 # Check for bogus environment variables.
34 # Test if LIBRARY_PATH contains the notation for the current directory
35 # since this would lead to problems installing/building glibc.
36 # LIBRARY_PATH contains the current directory if one of the following
37 # is true:
38 # - one of the terminals (":" and ";") is the first or last sign
39 # - two terminals occur directly after each other
40 # - the path contains an element with a dot in it
41 AC_MSG_CHECKING(LIBRARY_PATH variable)
42 changequote(,)dnl
43 case ${LIBRARY_PATH} in
44 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
45 library_path_setting="contains current directory"
46 ;;
47 *)
48 library_path_setting="ok"
49 ;;
50 esac
51 changequote([,])dnl
52 AC_MSG_RESULT($library_path_setting)
53 if test "$library_path_setting" != "ok"; then
54 AC_MSG_ERROR([
55 *** LIBRARY_PATH shouldn't contain the current directory when
56 *** building gcc. Please change the environment variable
57 *** and run configure again.])
58 fi
60 # Test if GCC_EXEC_PREFIX contains the notation for the current directory
61 # since this would lead to problems installing/building glibc.
62 # GCC_EXEC_PREFIX contains the current directory if one of the following
63 # is true:
64 # - one of the terminals (":" and ";") is the first or last sign
65 # - two terminals occur directly after each other
66 # - the path contains an element with a dot in it
67 AC_MSG_CHECKING(GCC_EXEC_PREFIX variable)
68 changequote(,)dnl
69 case ${GCC_EXEC_PREFIX} in
70 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
71 gcc_exec_prefix_setting="contains current directory"
72 ;;
73 *)
74 gcc_exec_prefix_setting="ok"
75 ;;
76 esac
77 changequote([,])dnl
78 AC_MSG_RESULT($gcc_exec_prefix_setting)
79 if test "$gcc_exec_prefix_setting" != "ok"; then
80 AC_MSG_ERROR([
81 *** GCC_EXEC_PREFIX shouldn't contain the current directory when
82 *** building gcc. Please change the environment variable
83 *** and run configure again.])
84 fi
86 # Check for additional parameters
88 # With GNU ld
89 AC_ARG_WITH(gnu-ld,
90 [ --with-gnu-ld arrange to work with GNU ld.],
91 gnu_ld_flag="$with_gnu_ld",
92 gnu_ld_flag=no)
94 # With pre-defined ld
95 AC_ARG_WITH(ld,
96 [ --with-ld arrange to use the specified ld (full pathname)],
97 DEFAULT_LINKER="$with_ld")
98 if test x"${DEFAULT_LINKER+set}" = x"set"; then
99 if test ! -x "$DEFAULT_LINKER"; then
100 AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER])
101 elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
102 gnu_ld_flag=yes
103 fi
104 AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER",
105 [Define to enable the use of a default linker.])
106 fi
108 # With GNU as
109 AC_ARG_WITH(gnu-as,
110 [ --with-gnu-as arrange to work with GNU as],
111 gas_flag="$with_gnu_as",
112 gas_flag=no)
114 AC_ARG_WITH(as,
115 [ --with-as arrange to use the specified as (full pathname)],
116 DEFAULT_ASSEMBLER="$with_as")
117 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
118 if test ! -x "$DEFAULT_ASSEMBLER"; then
119 AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER])
120 elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
121 gas_flag=yes
122 fi
123 AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER",
124 [Define to enable the use of a default assembler.])
125 fi
127 # With stabs
128 AC_ARG_WITH(stabs,
129 [ --with-stabs arrange to use stabs instead of host debug format],
130 stabs="$with_stabs",
131 stabs=no)
133 # With ELF
134 AC_ARG_WITH(elf,
135 [ --with-elf arrange to use ELF instead of host debug format],
136 elf="$with_elf",
137 elf=no)
139 # Specify the local prefix
140 local_prefix=
141 AC_ARG_WITH(local-prefix,
142 [ --with-local-prefix=DIR specifies directory to put local include],
143 [case "${withval}" in
144 yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
145 no) ;;
146 *) local_prefix=$with_local_prefix ;;
147 esac])
149 # Default local prefix if it is empty
150 if test x$local_prefix = x; then
151 local_prefix=/usr/local
152 fi
154 # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only
155 # passed in by the toplevel make and thus we'd get different behavior
156 # depending on where we built the sources.
157 gcc_gxx_include_dir=
158 # Specify the g++ header file directory
159 AC_ARG_WITH(gxx-include-dir,
160 [ --with-gxx-include-dir=DIR
161 specifies directory to put g++ header files],
162 [case "${withval}" in
163 yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;;
164 no) ;;
165 *) gcc_gxx_include_dir=$with_gxx_include_dir ;;
166 esac])
168 if test x${gcc_gxx_include_dir} = x; then
169 if test x${enable_version_specific_runtime_libs} = xyes; then
170 gcc_gxx_include_dir='${libsubdir}/include/c++'
171 else
172 topsrcdir=${srcdir}/.. . ${srcdir}/../config.if
173 changequote(<<, >>)dnl
174 gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir}
175 changequote([, ])dnl
176 fi
177 fi
179 # Determine the host, build, and target systems
180 AC_CANONICAL_SYSTEM
182 # Set program_transform_name
183 AC_ARG_PROGRAM
185 # Find the native compiler
186 AC_PROG_CC
187 AC_PROG_CC_C_O
188 # autoconf is lame and doesn't give us any substitution variable for this.
189 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
190 NO_MINUS_C_MINUS_O=yes
191 else
192 OUTPUT_OPTION='-o $@'
193 fi
194 AC_SUBST(NO_MINUS_C_MINUS_O)
195 AC_SUBST(OUTPUT_OPTION)
197 # See if GNAT has been installed
198 gcc_AC_PROG_GNAT
200 AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long,
201 ac_cv_prog_cc_no_long_long,
202 [save_CFLAGS="$CFLAGS"
203 CFLAGS="-Wno-long-long"
204 AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes,
205 ac_cv_prog_cc_no_long_long=no)
206 CFLAGS="$save_CFLAGS"])
208 if test x$have_gnat != xno ; then
209 AC_CACHE_CHECK(whether ${ADAC} accepts -Wno-long-long,
210 ac_cv_prog_adac_no_long_long,
211 [cat >conftest.adb <<EOF
212 procedure conftest is begin null; end conftest;
213 EOF
214 if $ADAC -Wno-long-long -c conftest.adb 1>&5 2>&5 ; then
215 ac_cv_prog_adac_no_long_long=yes
216 else
217 ac_cv_prog_adac_no_long_long=no
218 fi
219 rm -f conftest*])
220 else
221 ac_cv_prog_adac_no_long_long=yes
222 fi
224 strict1_warn=
225 if test $ac_cv_prog_cc_no_long_long = yes && \
226 test $ac_cv_prog_adac_no_long_long = yes ; then
227 strict1_warn="-pedantic -Wno-long-long"
228 fi
229 AC_SUBST(strict1_warn)
231 AC_PROG_CPP
232 AC_C_INLINE
233 gcc_AC_C_VOLATILE
235 gcc_AC_C_LONG_DOUBLE
236 gcc_AC_C_LONG_LONG
237 gcc_AC_C__BOOL
239 # sizeof(char) is 1 by definition.
240 AC_COMPILE_CHECK_SIZEOF(short)
241 AC_COMPILE_CHECK_SIZEOF(int)
242 AC_COMPILE_CHECK_SIZEOF(long)
243 if test $ac_cv_c_long_long = yes; then
244 AC_COMPILE_CHECK_SIZEOF(long long)
245 fi
246 if test $ac_cv_c___int64 = yes; then
247 AC_COMPILE_CHECK_SIZEOF(__int64)
248 fi
250 gcc_AC_C_CHARSET
252 # If the native compiler is GCC, we can enable warnings even in stage1.
253 # That's useful for people building cross-compilers, or just running a
254 # quick `make'.
255 warn_cflags=
256 if test "x$GCC" = "xyes"; then
257 warn_cflags='$(GCC_WARN_CFLAGS)'
258 fi
259 AC_SUBST(warn_cflags)
261 # Determine whether or not multilibs are enabled.
262 AC_ARG_ENABLE(multilib,
263 [ --enable-multilib enable library support for multiple ABIs],
264 [], [enable_multilib=yes])
265 AC_SUBST(enable_multilib)
267 # Enable expensive internal checks
268 AC_ARG_ENABLE(checking,
269 [ --enable-checking[=LIST]
270 enable expensive run-time checks. With LIST,
271 enable only specific categories of checks.
272 Categories are: misc,tree,rtl,rtlflag,gc,gcac;
273 default is misc,tree,gc,rtlflag],
274 [ac_checking=
275 ac_tree_checking=
276 ac_rtl_checking=
277 ac_rtlflag_checking=
278 ac_gc_checking=
279 ac_gc_always_collect=
280 case "${enableval}" in
281 yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;
282 ac_rtlflag_checking=1 ;;
283 no) ;;
284 *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
285 set fnord $enableval; shift
286 IFS="$ac_save_IFS"
287 for check
288 do
289 case $check in
290 misc) ac_checking=1 ;;
291 tree) ac_tree_checking=1 ;;
292 rtlflag) ac_rtlflag_checking=1 ;;
293 rtl) ac_rtl_checking=1 ;;
294 gc) ac_gc_checking=1 ;;
295 gcac) ac_gc_always_collect=1 ;;
296 valgrind) ac_checking_valgrind=1 ;;
297 *) AC_MSG_ERROR(unknown check category $check) ;;
298 esac
299 done
300 ;;
301 esac
302 ],
303 # Enable some checks by default for development versions of GCC
304 [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;])
305 nocommon_flag=""
306 if test x$ac_checking != x ; then
307 AC_DEFINE(ENABLE_CHECKING, 1,
308 [Define if you want more run-time sanity checks. This one gets a grab
309 bag of miscellaneous but relatively cheap checks.])
310 nocommon_flag=-fno-common
311 fi
312 AC_SUBST(nocommon_flag)
313 if test x$ac_tree_checking != x ; then
314 AC_DEFINE(ENABLE_TREE_CHECKING, 1,
315 [Define if you want all operations on trees (the basic data
316 structure of the front ends) to be checked for dynamic type safety
317 at runtime. This is moderately expensive.])
318 fi
319 if test x$ac_rtl_checking != x ; then
320 AC_DEFINE(ENABLE_RTL_CHECKING, 1,
321 [Define if you want all operations on RTL (the basic data structure
322 of the optimizer and back end) to be checked for dynamic type safety
323 at runtime. This is quite expensive.])
324 fi
325 if test x$ac_rtlflag_checking != x ; then
326 AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1,
327 [Define if you want RTL flag accesses to be checked against the RTL
328 codes that are supported for each access macro. This is relatively
329 cheap.])
330 fi
331 if test x$ac_gc_checking != x ; then
332 AC_DEFINE(ENABLE_GC_CHECKING, 1,
333 [Define if you want the garbage collector to do object poisoning and
334 other memory allocation checks. This is quite expensive.])
335 fi
336 if test x$ac_gc_always_collect != x ; then
337 AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1,
338 [Define if you want the garbage collector to operate in maximally
339 paranoid mode, validating the entire heap and collecting garbage at
340 every opportunity. This is extremely expensive.])
341 fi
342 valgrind_path_defines=
343 valgrind_command=
344 if test x$ac_checking_valgrind != x ; then
345 # It is certainly possible that there's valgrind but no valgrind.h.
346 # GCC relies on making annotations so we must have both.
347 AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no)
348 AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind,
349 [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1])
350 if test "x$valgrind_path" = "x" || test $have_valgrind_h = no; then
351 AC_MSG_ERROR([*** Can't find both valgrind and valgrind.h])
352 fi
353 valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"'
354 valgrind_command="$valgrind_path -q"
355 AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1,
356 [Define if you want to run subprograms and generated programs
357 through valgrind (a memory checker). This is extremely expensive.])
358 fi
359 AC_SUBST(valgrind_path_defines)
360 AC_SUBST(valgrind_command)
362 # Enable code coverage collection
363 AC_ARG_ENABLE(coverage,
364 [ --enable-coverage[=LEVEL]
365 enable compiler\'s code coverage collection.
366 Use to measure compiler performance and locate
367 unused parts of the compiler. With LEVEL, specificy
368 optimization. Values are opt, noopt,
369 default is noopt],
370 [case "${enableval}" in
371 yes|noopt)
372 coverage_flags="-fprofile-arcs -ftest-coverage -O0"
373 ;;
374 opt)
375 coverage_flags="-fprofile-arcs -ftest-coverage -O2"
376 ;;
377 *)
378 AC_MSG_ERROR(unknown coverage setting $enableval)
379 ;;
380 esac],
381 [coverage_flags=""])
382 AC_SUBST(coverage_flags)
384 AC_ARG_WITH(cpp_install_dir,
385 [ --with-cpp-install-dir=DIR
386 install the user visible C preprocessor in DIR
387 (relative to PREFIX) as well as PREFIX/bin],
388 [if test x$withval = xyes; then
389 AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
390 elif test x$withval != xno; then
391 cpp_install_dir=$withval
392 fi])
394 # Enable __cxa_atexit for C++.
395 AC_ARG_ENABLE(__cxa_atexit,
396 [ --enable-__cxa_atexit enable __cxa_atexit for C++],
397 [], [])
398 if test x$enable___cxa_atexit = xyes; then
399 AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
400 [Define if you want to use __cxa_atexit, rather than atexit, to
401 register C++ destructors for local statics and global objects.
402 This is essential for fully standards-compliant handling of
403 destructors, but requires __cxa_atexit in libc.])
404 fi
406 # Enable Multibyte Characters for C/C++
407 AC_ARG_ENABLE(c-mbchar,
408 [ --enable-c-mbchar enable multibyte characters for C and C++],
409 if test x$enable_c_mbchar != xno; then
410 AC_DEFINE(MULTIBYTE_CHARS, 1,
411 [Define if you want the C and C++ compilers to support multibyte
412 character sets for source code.])
413 fi)
415 # Enable threads
416 # Pass with no value to take the default
417 # Pass with a value to specify a thread package
418 AC_ARG_ENABLE(threads,
419 [ --enable-threads enable thread usage for target GCC
420 --enable-threads=LIB use LIB thread package for target GCC],,
421 enable_threads='')
423 enable_threads_flag=$enable_threads
424 # Check if a valid thread package
425 case x${enable_threads_flag} in
426 x | xno)
427 # No threads
428 target_thread_file='single'
429 ;;
430 xyes)
431 # default
432 target_thread_file=''
433 ;;
434 xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
435 xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix)
436 target_thread_file=$enable_threads_flag
437 ;;
438 *)
439 echo "$enable_threads is an unknown thread package" 1>&2
440 exit 1
441 ;;
442 esac
444 AC_ARG_ENABLE(objc-gc,
445 [ --enable-objc-gc enable the use of Boehm's garbage collector with
446 the GNU Objective-C runtime],
447 if test x$enable_objc_gc = xno; then
448 objc_boehm_gc=''
449 else
450 objc_boehm_gc=1
451 fi,
452 objc_boehm_gc='')
454 AC_ARG_WITH(dwarf2,
455 [ --with-dwarf2 force the default debug format to be DWARF 2],
456 dwarf2="$with_dwarf2",
457 dwarf2=no)
459 AC_ARG_ENABLE(shared,
460 [ --disable-shared don't provide a shared libgcc],
461 [
462 case $enable_shared in
463 yes | no) ;;
464 *)
465 enable_shared=no
466 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
467 for pkg in $enableval; do
468 if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then
469 enable_shared=yes
470 fi
471 done
472 IFS="$ac_save_ifs"
473 ;;
474 esac
475 ], [enable_shared=yes])
476 AC_SUBST(enable_shared)
478 AC_ARG_WITH(sysroot,
479 [ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.],
480 [
481 case ${with_sysroot} in
482 yes) TARGET_SYSTEM_ROOT='${gcc_tooldir}/sys-root' ;;
483 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
484 esac
486 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
487 CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)'
488 ], [
489 TARGET_SYSTEM_ROOT=
490 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=0'
491 CROSS_SYSTEM_HEADER_DIR='$(gcc_tooldir)/sys-include'
492 ])
493 AC_SUBST(TARGET_SYSTEM_ROOT)
494 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
495 AC_SUBST(CROSS_SYSTEM_HEADER_DIR)
497 # Stage specific cflags for build.
498 stage1_cflags=
499 case $build in
500 vax-*-*)
501 if test x$GCC = xyes
502 then
503 stage1_cflags="-Wa,-J"
504 else
505 stage1_cflags="-J"
506 fi
507 ;;
508 powerpc-*-darwin*)
509 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
510 # sources; use -no-cpp-precomp to get to GNU cpp.
511 # Apple's GCC has bugs in designated initializer handling, so disable
512 # that too.
513 stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
514 ;;
515 esac
516 AC_SUBST(stage1_cflags)
518 AC_PROG_MAKE_SET
520 AC_MSG_CHECKING([whether a default assembler was specified])
521 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
522 if test x"$gas_flag" = x"no"; then
523 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
524 else
525 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
526 fi
527 else
528 AC_MSG_RESULT(no)
529 fi
531 AC_MSG_CHECKING([whether a default linker was specified])
532 if test x"${DEFAULT_LINKER+set}" = x"set"; then
533 if test x"$gnu_ld_flag" = x"no"; then
534 AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
535 else
536 AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
537 fi
538 else
539 AC_MSG_RESULT(no)
540 fi
542 AC_MSG_CHECKING(for GNU C library)
543 AC_CACHE_VAL(gcc_cv_glibc,
544 [AC_TRY_COMPILE(
545 [#include <features.h>],[
546 #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
547 #error Not a GNU C library system
548 #endif],
549 [gcc_cv_glibc=yes],
550 gcc_cv_glibc=no)])
551 AC_MSG_RESULT($gcc_cv_glibc)
552 if test $gcc_cv_glibc = yes; then
553 AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
554 fi
556 # Find some useful tools
557 AC_PROG_AWK
558 gcc_AC_PROG_LN
559 gcc_AC_PROG_LN_S
560 AC_PROG_RANLIB
561 gcc_AC_PROG_INSTALL
563 AC_HEADER_STDC
564 AC_HEADER_TIME
565 gcc_AC_HEADER_STDBOOL
566 gcc_AC_HEADER_STRING
567 AC_HEADER_SYS_WAIT
568 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
569 fcntl.h unistd.h sys/file.h sys/time.h \
570 sys/resource.h sys/param.h sys/times.h sys/stat.h \
571 direct.h malloc.h langinfo.h)
573 # Check for thread headers.
574 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
575 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
577 # These tests can't be done till we know if we have limits.h.
578 gcc_AC_C_CHAR_BIT
579 AC_C_BIGENDIAN_CROSS
580 gcc_AC_C_FLOAT_FORMAT
582 # See if we have the mktemp command.
583 AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
585 # Do we have a single-tree copy of texinfo?
586 if test -f $srcdir/../texinfo/Makefile.in; then
587 MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
588 gcc_cv_prog_makeinfo_modern=yes
589 AC_MSG_RESULT([Using makeinfo from the unified source tree.])
590 else
591 # See if makeinfo has been installed and is modern enough
592 # that we can use it.
593 gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
594 [GNU texinfo.* \([0-9][0-9.]*\)],
595 [4.[1-9]*])
596 fi
598 if test $gcc_cv_prog_makeinfo_modern = no; then
599 AC_MSG_WARN([
600 *** Makeinfo is missing or too old.
601 *** Info documentation will not be built.])
602 BUILD_INFO=
603 else
604 BUILD_INFO=info AC_SUBST(BUILD_INFO)
605 fi
607 # Is pod2man recent enough to regenerate manpages?
608 AC_MSG_CHECKING([for recent Pod::Man])
609 if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then
610 AC_MSG_RESULT(yes)
611 GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES)
612 else
613 AC_MSG_RESULT(no)
614 GENERATED_MANPAGES=
615 fi
617 # How about lex?
618 dnl Don't use AC_PROG_LEX; we insist on flex.
619 dnl LEXLIB is not useful in gcc.
620 if test -f $srcdir/../flex/skel.c; then
621 FLEX='$(objdir)/../flex/flex'
622 else
623 AC_CHECK_PROG(FLEX, flex, flex, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing flex)
624 fi
626 # Bison?
627 # The -L switch is so bison can find its skeleton file.
628 if test -f $srcdir/../bison/bison.simple; then
629 BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
630 else
631 AC_CHECK_PROG(BISON, bison, bison, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing bison)
632 fi
634 # These libraries may be used by collect2.
635 # We may need a special search path to get them linked.
636 AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs,
637 [save_LIBS="$LIBS"
638 for libs in '' -lld -lmld \
639 '-L/usr/lib/cmplrs/cc2.11 -lmld' \
640 '-L/usr/lib/cmplrs/cc3.11 -lmld'
641 do
642 LIBS="$libs"
643 AC_TRY_LINK_FUNC(ldopen,
644 [gcc_cv_collect2_libs="$libs"; break])
645 done
646 LIBS="$save_LIBS"
647 test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required'])
648 case $gcc_cv_collect2_libs in
649 "none required") ;;
650 *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;;
651 esac
652 AC_SUBST(COLLECT2_LIBS)
654 # When building Ada code on Alpha, we need exc_resume which is usually in
655 # -lexc. So test for it.
656 save_LIBS="$LIBS"
657 LIBS=
658 AC_SEARCH_LIBS(exc_resume, exc)
659 GNAT_LIBEXC="$LIBS"
660 LIBS="$save_LIBS"
661 AC_SUBST(GNAT_LIBEXC)
663 # See if the stage1 system preprocessor understands the ANSI C
664 # preprocessor stringification operator. (Used by symcat.h.)
665 AC_C_STRINGIZE
667 # Use <inttypes.h> only if it exists,
668 # doesn't clash with <sys/types.h>, and declares intmax_t.
669 AC_MSG_CHECKING(for inttypes.h)
670 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
671 [AC_TRY_COMPILE(
672 [#include <sys/types.h>
673 #include <inttypes.h>],
674 [intmax_t i = -1;],
675 [gcc_cv_header_inttypes_h=yes],
676 gcc_cv_header_inttypes_h=no)])
677 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
678 if test $gcc_cv_header_inttypes_h = yes; then
679 AC_DEFINE(HAVE_INTTYPES_H, 1,
680 [Define if you have a working <inttypes.h> header file.])
681 fi
683 dnl Disabled until we have a complete test for buggy enum bitfields.
684 dnl gcc_AC_C_ENUM_BF_UNSIGNED
686 AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
687 sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
688 fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat \
689 scandir alphasort)
691 AC_CHECK_TYPE(ssize_t, int)
693 # Try to determine the array type of the second argument of getgroups
694 # for the target system (int or gid_t).
695 AC_TYPE_GETGROUPS
696 if test "${target}" = "${build}"; then
697 TARGET_GETGROUPS_T=$ac_cv_type_getgroups
698 else
699 case "${target}" in
700 # This condition may need some tweaking. It should include all
701 # targets where the array type of the second argument of getgroups
702 # is int and the type of gid_t is not equivalent to int.
703 *-*-sunos* | *-*-ultrix*)
704 TARGET_GETGROUPS_T=int
705 ;;
706 *)
707 TARGET_GETGROUPS_T=gid_t
708 ;;
709 esac
710 fi
711 AC_SUBST(TARGET_GETGROUPS_T)
713 gcc_AC_FUNC_PRINTF_PTR
715 case "${host}" in
716 *-*-uwin*)
717 AC_MSG_ERROR([
718 *** UWIN may not be used as a host platform because
719 *** linking with posix.dll is not allowed by the GNU GPL])
720 ;;
721 *-*-*vms*)
722 # Under VMS, vfork works very different than on Unix. The standard test
723 # won't work, and it isn't easily adaptable. It makes more sense to
724 # just force it.
725 ac_cv_func_vfork_works=yes
726 ;;
727 esac
728 AC_FUNC_VFORK
729 AC_FUNC_MMAP_ANYWHERE
730 AC_FUNC_MMAP_FILE
732 AM_ICONV
734 # We will need to find libiberty.h and ansidecl.h
735 saved_CFLAGS="$CFLAGS"
736 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
737 gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
738 strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
739 fprintf_unlocked strstr errno vasprintf \
740 malloc realloc calloc free basename getopt clock, , ,[
741 #include "ansidecl.h"
742 #include "system.h"])
744 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
745 #include "ansidecl.h"
746 #include "system.h"
747 #ifdef HAVE_SYS_RESOURCE_H
748 #include <sys/resource.h>
749 #endif
750 ])
752 gcc_AC_CHECK_DECLS(times, , ,[
753 #include "ansidecl.h"
754 #include "system.h"
755 #ifdef HAVE_SYS_TIMES_H
756 #include <sys/times.h>
757 #endif
758 ])
760 # More time-related stuff.
761 AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
762 AC_TRY_COMPILE([
763 #include "ansidecl.h"
764 #include "system.h"
765 #ifdef HAVE_SYS_TIMES_H
766 #include <sys/times.h>
767 #endif
768 ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)])
769 if test $ac_cv_struct_tms = yes; then
770 AC_DEFINE(HAVE_STRUCT_TMS, 1,
771 [Define if <sys/times.h> defines struct tms.])
772 fi
774 # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
775 # revisit after autoconf 2.50.
776 AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [
777 AC_TRY_COMPILE([
778 #include "ansidecl.h"
779 #include "system.h"
780 ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
781 if test $gcc_cv_type_clock_t = yes; then
782 AC_DEFINE(HAVE_CLOCK_T, 1,
783 [Define if <time.h> defines clock_t.])
784 fi
786 AC_ARG_ENABLE(initfini-array,
787 [ --enable-initfini-array use .init_array/.fini_array sections],
788 gcc_cv_initfinit_array=$enableval, [gcc_AC_INITFINI_ARRAY])
790 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
791 CFLAGS="$saved_CFLAGS"
793 # mkdir takes a single argument on some systems.
794 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
796 # File extensions
797 manext='.1'
798 objext='.o'
799 AC_SUBST(manext)
800 AC_SUBST(objext)
802 # With Setjmp/Longjmp based exception handling.
803 AC_ARG_ENABLE(sjlj-exceptions,
804 [ --enable-sjlj-exceptions
805 arrange to use setjmp/longjmp exception handling],
806 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
807 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
808 [Define 0/1 to force the choice for exception handling model.])])
810 AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no)
811 # Use libunwind based exception handling.
812 AC_ARG_ENABLE(libunwind-exceptions,
813 [ --enable-libunwind-exceptions force use libunwind for exceptions],
814 use_libunwind_exceptions=$enableval,
815 use_libunwind_exceptions=$use_libunwind_default)
816 if test x"$use_libunwind_exceptions" = xyes; then
817 AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
818 [Define if gcc should use -lunwind.])
819 fi
821 target_gtfiles=
822 build_xm_file=
823 build_xm_defines=
824 build_install_headers_dir=install-headers-tar
825 build_exeext=
826 host_xm_file=
827 host_xm_defines=
828 host_xmake_file=
829 host_truncate_target=
830 host_exeext=
832 # Decode the host machine, then the target machine.
833 # For the host machine, we save the xm_file variable as host_xm_file;
834 # then we decode the target machine and forget everything else
835 # that came from the host machine.
836 for machine in $build $host $target; do
837 . ${srcdir}/config.gcc
838 done
840 extra_objs="${host_extra_objs} ${extra_objs}"
842 # Default the target-machine variables that were not explicitly set.
843 if test x"$tm_file" = x
844 then tm_file=$cpu_type/$cpu_type.h; fi
846 if test x"$extra_headers" = x
847 then extra_headers=; fi
849 if test x$md_file = x
850 then md_file=$cpu_type/$cpu_type.md; fi
852 if test x$out_file = x
853 then out_file=$cpu_type/$cpu_type.c; fi
855 if test x"$tmake_file" = x
856 then tmake_file=$cpu_type/t-$cpu_type
857 fi
859 if test x"$dwarf2" = xyes
860 then tm_file="$tm_file tm-dwarf2.h"
861 fi
863 # Say what files are being used for the output code and MD file.
864 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
865 echo "Using \`$srcdir/config/$md_file' as machine description file."
867 # If any of the xm_file variables contain nonexistent files, warn
868 # about them and drop them.
870 bx=
871 for x in $build_xm_file; do
872 if test -f $srcdir/config/$x
873 then bx="$bx $x"
874 else AC_MSG_WARN($srcdir/config/$x does not exist.)
875 fi
876 done
877 build_xm_file="$bx"
879 hx=
880 for x in $host_xm_file; do
881 if test -f $srcdir/config/$x
882 then hx="$hx $x"
883 else AC_MSG_WARN($srcdir/config/$x does not exist.)
884 fi
885 done
886 host_xm_file="$hx"
888 tx=
889 for x in $xm_file; do
890 if test -f $srcdir/config/$x
891 then tx="$tx $x"
892 else AC_MSG_WARN($srcdir/config/$x does not exist.)
893 fi
894 done
895 xm_file="$tx"
897 count=a
898 for f in $tm_file; do
899 count=${count}x
900 done
901 if test $count = ax; then
902 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
903 else
904 echo "Using the following target machine macro files:"
905 for f in $tm_file; do
906 echo " $srcdir/config/$f"
907 done
908 fi
910 if test x$need_64bit_hwint = xyes; then
911 AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1,
912 [Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).])
913 fi
915 count=a
916 for f in $host_xm_file; do
917 count=${count}x
918 done
919 if test $count = a; then
920 :
921 elif test $count = ax; then
922 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
923 else
924 echo "Using the following host machine macro files:"
925 for f in $host_xm_file; do
926 echo " $srcdir/config/$f"
927 done
928 fi
930 if test "$host_xm_file" != "$build_xm_file"; then
931 count=a
932 for f in $build_xm_file; do
933 count=${count}x
934 done
935 if test $count = a; then
936 :
937 elif test $count = ax; then
938 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
939 else
940 echo "Using the following build machine macro files:"
941 for f in $build_xm_file; do
942 echo " $srcdir/config/$f"
943 done
944 fi
945 fi
947 if test x$thread_file = x; then
948 if test x$target_thread_file != x; then
949 thread_file=$target_thread_file
950 else
951 thread_file='single'
952 fi
953 fi
955 # Look for a file containing extra machine modes.
956 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
957 extra_modes_file='$(srcdir)'/config/${extra_modes}
958 AC_SUBST(extra_modes_file)
959 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "$extra_modes",
960 [Define to the name of a file containing a list of extra machine modes
961 for this architecture.])
962 AC_DEFINE(EXTRA_CC_MODES, 1,
963 [Define if the target architecture needs extra machine modes to represent
964 the results of comparisons.])
965 fi
967 # auto-host.h is the file containing items generated by autoconf and is
968 # the first file included by config.h.
969 # If host=build, it is correct to have bconfig include auto-host.h
970 # as well. If host!=build, we are in error and need to do more
971 # work to find out the build config parameters.
972 if test x$host = x$build
973 then
974 build_auto=auto-host.h
975 FORBUILD=..
976 else
977 # We create a subdir, then run autoconf in the subdir.
978 # To prevent recursion we set host and build for the new
979 # invocation of configure to the build for this invocation
980 # of configure.
981 tempdir=build.$$
982 rm -rf $tempdir
983 mkdir $tempdir
984 cd $tempdir
985 case ${srcdir} in
986 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
987 *) realsrcdir=../${srcdir};;
988 esac
989 saved_CFLAGS="${CFLAGS}"
990 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
991 ${realsrcdir}/configure \
992 --target=$target_alias --host=$build_alias --build=$build_alias
993 CFLAGS="${saved_CFLAGS}"
995 # We just finished tests for the build machine, so rename
996 # the file auto-build.h in the gcc directory.
997 mv auto-host.h ../auto-build.h
998 cd ..
999 rm -rf $tempdir
1000 build_auto=auto-build.h
1001 FORBUILD=../$build_alias
1002 fi
1003 AC_SUBST(FORBUILD)
1005 tm_file="${tm_file} defaults.h"
1006 tm_p_file="${tm_p_file} tm-preds.h"
1007 host_xm_file="auto-host.h ansidecl.h ${host_xm_file}"
1008 build_xm_file="${build_auto} ansidecl.h ${build_xm_file}"
1009 xm_file="ansidecl.h ${xm_file}"
1011 # Truncate the target if necessary
1012 if test x$host_truncate_target != x; then
1013 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
1014 fi
1016 # Get the version trigger filename from the toplevel
1017 if test "${with_gcc_version_trigger+set}" = set; then
1018 gcc_version_trigger=$with_gcc_version_trigger
1019 else
1020 gcc_version_trigger=${srcdir}/version.c
1021 fi
1022 changequote(,)dnl
1023 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
1024 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
1026 # Compile in configure arguments.
1027 if test -f configargs.h ; then
1028 # Being re-configured.
1029 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
1030 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
1031 else
1032 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
1033 fi
1034 cat > configargs.h <<EOF
1035 /* Generated automatically. */
1036 static const char configuration_arguments[] = "$gcc_config_arguments";
1037 static const char thread_model[] = "$thread_file";
1038 EOF
1039 changequote([,])dnl
1041 # Internationalization
1042 PACKAGE=gcc
1043 VERSION="$gcc_version"
1044 AC_SUBST(PACKAGE)
1045 AC_SUBST(VERSION)
1047 # Enable NLS support by default
1048 AC_ARG_ENABLE(nls,
1049 [ --enable-nls use Native Language Support (default)],
1050 , enable_nls=yes)
1052 # if cross compiling, disable NLS support.
1053 # It's not worth the trouble, at least for now.
1055 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
1056 AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
1057 enable_nls=no
1058 fi
1060 AM_GNU_GETTEXT
1062 # Windows32 Registry support for specifying GCC installation paths.
1063 AC_ARG_ENABLE(win32-registry,
1064 [ --disable-win32-registry
1065 disable lookup of installation paths in the
1066 Registry on Windows hosts
1067 --enable-win32-registry enable registry lookup (default)
1068 --enable-win32-registry=KEY
1069 use KEY instead of GCC version as the last portion
1070 of the registry key],,)
1071 case $host_os in
1072 win32 | pe | cygwin* | mingw32* | uwin*)
1073 AC_MSG_CHECKING(whether windows registry support is requested)
1074 if test "x$enable_win32_registry" != xno; then
1075 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1076 [Define to 1 if installation paths should be looked up in Windows32
1077 Registry. Ignored on non windows32 hosts.])
1078 AC_MSG_RESULT(yes)
1079 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1080 else
1081 AC_MSG_RESULT(no)
1082 fi
1084 # Check if user specified a different registry key.
1085 case "x${enable_win32_registry}" in
1086 x | xyes)
1087 # default.
1088 gcc_cv_win32_registry_key="$VERSION"
1089 ;;
1090 xno)
1091 # no registry lookup.
1092 gcc_cv_win32_registry_key=''
1093 ;;
1094 *)
1095 # user-specified key.
1096 gcc_cv_win32_registry_key="$enable_win32_registry"
1097 ;;
1098 esac
1100 if test "x$enable_win32_registry" != xno; then
1101 AC_MSG_CHECKING(registry key on windows hosts)
1102 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1103 [Define to be the last portion of registry key on windows hosts.])
1104 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1105 fi
1106 ;;
1107 esac
1109 # Get an absolute path to the GCC top-level source directory
1110 holddir=`${PWDCMD-pwd}`
1111 cd $srcdir
1112 topdir=`${PWDCMD-pwd}`
1113 cd $holddir
1115 # Conditionalize the makefile for this host machine.
1116 # Make-host contains the concatenation of all host makefile fragments
1117 # [there can be more than one]. This file is built by configure.frag.
1118 host_overrides=Make-host
1119 dep_host_xmake_file=
1120 for f in .. ${host_xmake_file}
1121 do
1122 if test -f ${srcdir}/config/$f
1123 then
1124 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
1125 fi
1126 done
1128 # Conditionalize the makefile for this target machine.
1129 # Make-target contains the concatenation of all host makefile fragments
1130 # [there can be more than one]. This file is built by configure.frag.
1131 target_overrides=Make-target
1132 dep_tmake_file=
1133 for f in .. ${tmake_file}
1134 do
1135 if test -f ${srcdir}/config/$f
1136 then
1137 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
1138 fi
1139 done
1141 # If the host doesn't support symlinks, modify CC in
1142 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1143 # Otherwise, we can use "CC=$(CC)".
1144 rm -f symtest.tem
1145 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1146 then
1147 cc_set_by_configure="\$(CC)"
1148 quoted_cc_set_by_configure="\$(CC)"
1149 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1150 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1151 else
1152 rm -f symtest.tem
1153 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1154 then
1155 symbolic_link="cp -p"
1156 else
1157 symbolic_link="cp"
1158 fi
1159 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1160 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1161 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1162 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1163 fi
1164 rm -f symtest.tem
1166 out_object_file=`basename $out_file .c`.o
1168 tm_file_list=
1169 for f in $tm_file; do
1170 case $f in
1171 ansidecl.h )
1172 tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1173 defaults.h )
1174 tm_file_list="${tm_file_list} \$(srcdir)/$f" ;;
1175 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1176 esac
1177 done
1179 tm_p_file_list=
1180 for f in $tm_p_file; do
1181 case $f in
1182 tm-preds.h )
1183 tm_p_file_list="${tm_p_file_list} $f" ;;
1184 *) tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" ;;
1185 esac
1186 done
1188 host_xm_file_list=
1189 for f in $host_xm_file; do
1190 case $f in
1191 ansidecl.h )
1192 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1193 auto-host.h )
1194 host_xm_file_list="${host_xm_file_list} $f" ;;
1195 defaults.h )
1196 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1197 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1198 esac
1199 done
1201 build_xm_file_list=
1202 for f in $build_xm_file; do
1203 case $f in
1204 ansidecl.h )
1205 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1206 auto-build.h | auto-host.h )
1207 build_xm_file_list="${build_xm_file_list} $f" ;;
1208 defaults.h )
1209 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1210 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1211 esac
1212 done
1214 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1215 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1216 CROSS= AC_SUBST(CROSS)
1217 ALL=all.internal AC_SUBST(ALL)
1218 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1219 if test x$host != x$target
1220 then
1221 CROSS="-DCROSS_COMPILE"
1222 ALL=all.cross
1223 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1224 case "$host","$target" in
1225 i?86-*-*,x86_64-*-* \
1226 | powerpc*-*-*,powerpc64*-*-*)
1227 CROSS="$CROSS -DNATIVE_CROSS" ;;
1228 esac
1229 fi
1231 # If this is a cross-compiler that does not
1232 # have its own set of headers then define
1233 # inhibit_libc
1235 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1236 # This prevents libgcc2 from containing any code which requires libc
1237 # support.
1238 inhibit_libc=
1239 if { test x$host != x$target && test "x$with_headers" = x &&
1240 test "x$with_sysroot" = x ; } || test x$with_newlib = xyes ; then
1241 inhibit_libc=-Dinhibit_libc
1242 fi
1243 AC_SUBST(inhibit_libc)
1245 # When building gcc with a cross-compiler, we need to adjust things so
1246 # that the generator programs are still built with the native compiler.
1247 # Also, we cannot run fixincludes or fix-header.
1249 # These are the normal (build=host) settings:
1250 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1251 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1252 BUILD_CC='$(CC)' AC_SUBST(BUILD_CC)
1253 BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
1255 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1256 STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
1258 # And these apply if build != host.
1259 if test x$build != x$host
1260 then
1261 BUILD_PREFIX=build-
1262 BUILD_PREFIX_1=build-
1263 BUILD_CC='$(CC_FOR_BUILD)'
1264 BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
1266 STMP_FIXINC=
1267 STMP_FIXPROTO=
1268 fi
1270 # Expand extra_headers to include complete path.
1271 # This substitutes for lots of t-* files.
1272 extra_headers_list=
1273 if test "x$extra_headers" = x
1274 then true
1275 else
1276 # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers.
1277 for file in $extra_headers;
1278 do
1279 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1280 done
1281 fi
1283 if test x$use_collect2 = xno; then
1284 use_collect2=
1285 fi
1287 # Add a definition of USE_COLLECT2 if system wants one.
1288 if test x$use_collect2 != x
1289 then
1290 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1291 xm_defines="${xm_defines} USE_COLLECT2"
1292 fi
1294 # If we have gas in the build tree, make a link to it.
1295 if test -f ../gas/Makefile; then
1296 rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1297 fi
1299 # If we have nm and objdump in the build tree, make a link to them.
1300 if test -f ../binutils/Makefile; then
1301 rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1302 rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null
1303 fi
1305 # If we have ld in the build tree, make a link to it.
1306 if test -f ../ld/Makefile; then
1307 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
1308 fi
1310 # Figure out what assembler we will be using.
1311 AC_MSG_CHECKING(what assembler to use)
1312 gcc_cv_as=
1313 gcc_cv_gas_major_version=
1314 gcc_cv_gas_minor_version=
1315 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1316 gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1317 if test -x "$DEFAULT_ASSEMBLER"; then
1318 gcc_cv_as="$DEFAULT_ASSEMBLER"
1319 elif test -x "$AS"; then
1320 gcc_cv_as="$AS"
1321 elif test -x as$host_exeext; then
1322 # Build using assembler in the current directory.
1323 gcc_cv_as=./as$host_exeext
1324 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
1325 # Single tree build which includes gas.
1326 for f in $gcc_cv_as_bfd_srcdir/configure $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in
1327 do
1328 changequote(,)dnl
1329 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1330 changequote([,])dnl
1331 if test x$gcc_cv_gas_version != x; then
1332 break
1333 fi
1334 done
1335 changequote(,)dnl
1336 gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
1337 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1338 gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.[0-9]*\.\([0-9]*\)"`
1339 changequote([,])dnl
1340 fi
1342 if test "x$gcc_cv_as" = x; then
1343 # Search the same directories that the installed compiler will
1344 # search. Else we may find the wrong assembler and lose. If we
1345 # do not find a suitable assembler binary, then try the user's
1346 # path.
1347 #
1348 # Also note we have to check MD_EXEC_PREFIX before checking the
1349 # user's path. Unfortunately, there is no good way to get at the
1350 # value of MD_EXEC_PREFIX here. So we do a brute force search
1351 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1352 # to be fixed as part of the make/configure rewrite too.
1354 if test "x$exec_prefix" = xNONE; then
1355 if test "x$prefix" = xNONE; then
1356 test_prefix=/usr/local
1357 else
1358 test_prefix=$prefix
1359 fi
1360 else
1361 test_prefix=$exec_prefix
1362 fi
1364 # If the loop below does not find an assembler, then use whatever
1365 # one we can find in the users's path.
1366 # user's path.
1367 if test "x$program_prefix" != xNONE; then
1368 gcc_cv_as=${program_prefix}as$host_exeext
1369 else
1370 gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
1371 fi
1373 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1374 $test_prefix/lib/gcc-lib/$target_alias \
1375 /usr/lib/gcc/$target_alias/$gcc_version \
1376 /usr/lib/gcc/$target_alias \
1377 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1378 $test_prefix/$target_alias/bin"
1380 if test x$host = x$target; then
1381 test_dirs="$test_dirs \
1382 /usr/libexec \
1383 /usr/ccs/gcc \
1384 /usr/ccs/bin \
1385 /udk/usr/ccs/bin \
1386 /bsd43/usr/lib/cmplrs/cc \
1387 /usr/cross64/usr/bin \
1388 /usr/lib/cmplrs/cc \
1389 /sysv/usr/lib/cmplrs/cc \
1390 /svr4/usr/lib/cmplrs/cc \
1391 /usr/bin"
1392 fi
1394 for dir in $test_dirs; do
1395 if test -x $dir/as$host_exeext; then
1396 gcc_cv_as=$dir/as$host_exeext
1397 break;
1398 fi
1399 done
1400 fi
1401 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1402 AC_MSG_RESULT("newly built gas")
1403 else
1404 AC_MSG_RESULT($gcc_cv_as)
1405 fi
1407 # Figure out what linker we will be using.
1408 AC_MSG_CHECKING(what linker to use)
1409 gcc_cv_ld=
1410 gcc_cv_gld_major_version=
1411 gcc_cv_gld_minor_version=
1412 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1413 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1414 if test -x "$DEFAULT_LINKER"; then
1415 gcc_cv_ld="$DEFAULT_LINKER"
1416 elif test -x "$LD"; then
1417 gcc_cv_ld="$LD"
1418 elif test -x ld$host_exeext; then
1419 # Build using linker in the current directory.
1420 gcc_cv_ld=./ld$host_exeext
1421 elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then
1422 # Single tree build which includes ld.
1423 for f in $gcc_cv_ld_bfd_srcdir/configure $gcc_cv_ld_gld_srcdir/configure $gcc_cv_ld_gld_srcdir/configure.in $gcc_cv_ld_gld_srcdir/Makefile.in
1424 do
1425 changequote(,)dnl
1426 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1427 changequote([,])dnl
1428 if test x$gcc_cv_gld_version != x; then
1429 break
1430 fi
1431 done
1432 changequote(,)dnl
1433 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1434 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1435 changequote([,])dnl
1436 fi
1438 if test "x$gcc_cv_ld" = x; then
1439 # Search the same directories that the installed compiler will
1440 # search. Else we may find the wrong linker and lose. If we
1441 # do not find a suitable linker binary, then try the user's
1442 # path.
1443 #
1444 # Also note we have to check MD_EXEC_PREFIX before checking the
1445 # user's path. Unfortunately, there is no good way to get at the
1446 # value of MD_EXEC_PREFIX here. So we do a brute force search
1447 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1448 # to be fixed as part of the make/configure rewrite too.
1450 if test "x$exec_prefix" = xNONE; then
1451 if test "x$prefix" = xNONE; then
1452 test_prefix=/usr/local
1453 else
1454 test_prefix=$prefix
1455 fi
1456 else
1457 test_prefix=$exec_prefix
1458 fi
1460 # If the loop below does not find an linker, then use whatever
1461 # one we can find in the users's path.
1462 # user's path.
1463 if test "x$program_prefix" != xNONE; then
1464 gcc_cv_ld=${program_prefix}ld$host_exeext
1465 else
1466 gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
1467 fi
1469 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1470 $test_prefix/lib/gcc-lib/$target_alias \
1471 /usr/lib/gcc/$target_alias/$gcc_version \
1472 /usr/lib/gcc/$target_alias \
1473 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1474 $test_prefix/$target_alias/bin"
1476 if test x$host = x$target; then
1477 test_dirs="$test_dirs \
1478 /usr/libexec \
1479 /usr/ccs/gcc \
1480 /usr/ccs/bin \
1481 /udk/usr/ccs/bin \
1482 /bsd43/usr/lib/cmplrs/cc \
1483 /usr/cross64/usr/bin \
1484 /usr/lib/cmplrs/cc \
1485 /sysv/usr/lib/cmplrs/cc \
1486 /svr4/usr/lib/cmplrs/cc \
1487 /usr/bin"
1488 fi
1490 for dir in $test_dirs; do
1491 if test -x $dir/ld$host_exeext; then
1492 gcc_cv_ld=$dir/ld$host_exeext
1493 break;
1494 fi
1495 done
1496 fi
1497 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
1498 AC_MSG_RESULT("newly built ld")
1499 else
1500 AC_MSG_RESULT($gcc_cv_ld)
1501 fi
1503 # Figure out what nm we will be using.
1504 AC_MSG_CHECKING(what nm to use)
1505 if test -x nm$host_exeext; then
1506 gcc_cv_nm=./nm$host_exeext
1507 elif test "x$program_prefix" != xNONE; then
1508 gcc_cv_nm=${program_prefix}nm$host_exeext
1509 else
1510 gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
1511 fi
1512 AC_MSG_RESULT($gcc_cv_nm)
1514 # Figure out what objdump we will be using.
1515 AC_MSG_CHECKING(what objdump to use)
1516 if test -x objdump$host_exeext; then
1517 gcc_cv_objdump=./objdump$host_exeext
1518 elif test "x$program_prefix" != xNONE; then
1519 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1520 else
1521 gcc_cv_objdump=`echo objdump | sed ${program_transform_name}`$host_exeext
1522 fi
1523 AC_MSG_RESULT($gcc_cv_objdump)
1525 # Figure out what assembler alignment features are present.
1526 AC_MSG_CHECKING(assembler alignment features)
1527 gcc_cv_as_alignment_features=none
1528 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1529 # Gas version 2.6 and later support for .balign and .p2align.
1530 # bytes to skip when using .p2align.
1531 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
1532 gcc_cv_as_alignment_features=".balign and .p2align"
1533 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1534 fi
1535 # Gas version 2.8 and later support specifying the maximum
1536 # bytes to skip when using .p2align.
1537 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
1538 gcc_cv_as_alignment_features=".p2align including maximum skip"
1539 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1540 fi
1541 elif test x$gcc_cv_as != x; then
1542 # Check if we have .balign and .p2align
1543 echo ".balign 4" > conftest.s
1544 echo ".p2align 2" >> conftest.s
1545 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1546 gcc_cv_as_alignment_features=".balign and .p2align"
1547 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1548 fi
1549 rm -f conftest.s conftest.o
1550 # Check if specifying the maximum bytes to skip when
1551 # using .p2align is supported.
1552 echo ".p2align 4,,7" > conftest.s
1553 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1554 gcc_cv_as_alignment_features=".p2align including maximum skip"
1555 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1556 fi
1557 rm -f conftest.s conftest.o
1558 fi
1559 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1561 AC_MSG_CHECKING(assembler subsection support)
1562 gcc_cv_as_subsections=no
1563 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1564 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1565 gcc_cv_as_subsections="working .subsection -1"
1566 fi
1567 elif test x$gcc_cv_as != x; then
1568 # Check if we have .subsection
1569 echo ".subsection 1" > conftest.s
1570 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1571 gcc_cv_as_subsections=".subsection"
1572 if test x$gcc_cv_nm != x; then
1573 cat > conftest.s <<EOF
1574 conftest_label1: .word 0
1575 .subsection -1
1576 conftest_label2: .word 0
1577 .previous
1578 EOF
1579 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1580 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1581 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1582 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1583 :
1584 else
1585 gcc_cv_as_subsections="working .subsection -1"
1586 fi
1587 fi
1588 fi
1589 fi
1590 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1591 fi
1592 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1593 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1594 [Define if your assembler supports .subsection and .subsection -1 starts
1595 emitting at the beginning of your section.])
1596 fi
1597 AC_MSG_RESULT($gcc_cv_as_subsections)
1599 AC_MSG_CHECKING(assembler weak support)
1600 gcc_cv_as_weak=no
1601 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1602 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
1603 gcc_cv_as_weak="yes"
1604 fi
1605 elif test x$gcc_cv_as != x; then
1606 # Check if we have .weak
1607 echo " .weak foobar" > conftest.s
1608 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1609 gcc_cv_as_weak="yes"
1610 fi
1611 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1612 fi
1613 if test x"$gcc_cv_as_weak" = xyes; then
1614 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1615 fi
1616 AC_MSG_RESULT($gcc_cv_as_weak)
1618 AC_MSG_CHECKING(assembler hidden support)
1619 gcc_cv_as_hidden=no
1620 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1621 if test "$gcc_cv_gas_major_version" -eq 2 \
1622 -a "$gcc_cv_gas_minor_version" -eq 12 \
1623 -a "$gcc_cv_gas_patch_version" -ge 1 \
1624 -o "$gcc_cv_gas_major_version" -eq 2 \
1625 -a "$gcc_cv_gas_minor_version" -gt 12 \
1626 -o "$gcc_cv_gas_major_version" -gt 2 \
1627 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1628 gcc_cv_as_hidden="yes"
1629 fi
1630 elif test x$gcc_cv_as != x; then
1631 # Check if we have .hidden
1632 echo " .hidden foobar" > conftest.s
1633 echo "foobar:" >> conftest.s
1634 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1635 gcc_cv_as_hidden="yes"
1636 fi
1637 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1639 # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1640 # This is irritatingly difficult to feature test for. Look for
1641 # the date string after the version number.
1642 ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1`
1643 if echo "$ld_ver" | grep GNU > /dev/null; then
1644 changequote(,)dnl
1645 ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\1,p'`
1646 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1647 if test 0"$ld_date" -lt 20020404; then
1648 if test -n "$ld_date"; then
1649 # If there was date string, but was earlier than 2002-04-04, fail
1650 gcc_cv_as_hidden="no"
1651 elif test -z "$ld_vers"; then
1652 # If there was no date string nor ld version number, something is wrong
1653 gcc_cv_as_hidden="no"
1654 else
1655 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1656 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1657 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1658 test -z "$ld_vers_patch" && ld_vers_patch=0
1659 if test "$ld_vers_major" -lt 2; then
1660 gcc_cv_as_hidden="no"
1661 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1662 gcc_cv_as_hidden="no"
1663 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \
1664 -a "$ld_vers_patch" -eq 0; then
1665 gcc_cv_as_hidden="no"
1666 fi
1667 fi
1668 fi
1669 changequote([,])dnl
1670 fi
1671 fi
1672 if test x"$gcc_cv_as_hidden" = xyes; then
1673 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1674 [Define if your assembler supports .hidden.])
1675 fi
1676 AC_MSG_RESULT($gcc_cv_as_hidden)
1677 libgcc_visibility=$gcc_cv_as_hidden
1678 case "$target" in
1679 mips-sgi-irix6*o32)
1680 if test x"$gnu_ld_flag" = x"no"; then
1681 # Even if using gas with .hidden support, the resulting object files
1682 # cannot be linked with the IRIX 6 O32 linker.
1683 libgcc_visibility=no
1684 fi
1685 ;;
1686 esac
1687 AC_SUBST(libgcc_visibility)
1689 AC_MSG_CHECKING(assembler leb128 support)
1690 gcc_cv_as_leb128=no
1691 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1692 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 11 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1693 gcc_cv_as_leb128="yes"
1694 fi
1695 elif test x$gcc_cv_as != x; then
1696 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1697 cat > conftest.s <<EOF
1698 .data
1699 .uleb128 L2 - L1
1700 L1:
1701 .uleb128 1280
1702 .sleb128 -1010
1703 L2:
1704 EOF
1705 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1706 gcc_cv_as_leb128="yes"
1708 # GAS versions before 2.11 do not support uleb128,
1709 # despite appearing to.
1710 # ??? There exists an elf-specific test that will crash
1711 # the assembler. Perhaps it's better to figure out whether
1712 # arbitrary sections are supported and try the test.
1713 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1714 if echo "$as_ver" | grep GNU > /dev/null; then
1715 changequote(,)dnl
1716 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1717 as_major=`echo $as_ver | sed 's/\..*//'`
1718 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1719 changequote([,])dnl
1720 if test $as_major -eq 2 -a $as_minor -lt 11; then
1721 gcc_cv_as_leb128="no"
1722 fi
1723 fi
1724 fi
1725 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1726 fi
1727 if test x"$gcc_cv_as_leb128" = xyes; then
1728 AC_DEFINE(HAVE_AS_LEB128, 1,
1729 [Define if your assembler supports .uleb128.])
1730 fi
1731 AC_MSG_RESULT($gcc_cv_as_leb128)
1733 AC_MSG_CHECKING(assembler eh_frame optimization)
1734 gcc_cv_as_eh_frame=no
1735 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1736 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1737 gcc_cv_as_eh_frame="yes"
1738 fi
1739 elif test x$gcc_cv_as != x; then
1740 # Check if this is GAS.
1741 as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1742 rm -f a.out 2> /dev/null
1743 if echo "$as_ver" | grep GNU > /dev/null; then
1744 # Versions up to and including 2.11.0 may mis-optimize
1745 # .eh_frame data. Try something.
1746 cat > conftest.s <<EOF
1747 .text
1748 .LFB1:
1749 .4byte 0
1750 .L1:
1751 .4byte 0
1752 .LFE1:
1753 .section .eh_frame,"aw",@progbits
1754 __FRAME_BEGIN__:
1755 .4byte .LECIE1-.LSCIE1
1756 .LSCIE1:
1757 .4byte 0x0
1758 .byte 0x1
1759 .ascii "z\0"
1760 .byte 0x1
1761 .byte 0x78
1762 .byte 0x1a
1763 .byte 0x0
1764 .byte 0x4
1765 .4byte 1
1766 .p2align 1
1767 .LECIE1:
1768 .LSFDE1:
1769 .4byte .LEFDE1-.LASFDE1
1770 .LASFDE1:
1771 .4byte .LASFDE1-__FRAME_BEGIN__
1772 .4byte .LFB1
1773 .4byte .LFE1-.LFB1
1774 .byte 0x4
1775 .4byte .LFE1-.LFB1
1776 .byte 0x4
1777 .4byte .L1-.LFB1
1778 .LEFDE1:
1779 EOF
1780 cat > conftest.lit <<EOF
1781 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1782 0010 01000000 12000000 18000000 00000000 ................
1783 0020 08000000 04080000 0044 .........D
1784 EOF
1785 cat > conftest.big <<EOF
1786 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1787 0010 00000001 00000012 00000018 00000000 ................
1788 0020 00000008 04000000 0844 .........D
1789 EOF
1790 # If the assembler didn't choke, and we can objdump,
1791 # and we got the correct data, then succeed.
1792 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1793 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1794 | tail -3 > conftest.got \
1795 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1796 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1797 then
1798 gcc_cv_as_eh_frame="yes"
1799 else
1800 gcc_cv_as_eh_frame="bad"
1801 if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
1802 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1803 [Define if your assembler mis-optimizes .eh_frame data.])
1804 fi
1805 fi
1806 fi
1807 rm -f conftest.*
1808 fi
1809 AC_MSG_RESULT($gcc_cv_as_eh_frame)
1811 AC_MSG_CHECKING(assembler section merging support)
1812 gcc_cv_as_shf_merge=no
1813 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1814 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1815 gcc_cv_as_shf_merge=yes
1816 fi
1817 elif test x$gcc_cv_as != x; then
1818 # Check if we support SHF_MERGE sections
1819 echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
1820 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
1821 gcc_cv_as_shf_merge=yes
1822 fi
1823 rm -f conftest.s conftest.o
1824 fi
1825 if test x"$gcc_cv_as_shf_merge" = xyes; then
1826 AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
1827 [Define if your assembler supports marking sections with SHF_MERGE flag.])
1828 fi
1829 AC_MSG_RESULT($gcc_cv_as_shf_merge)
1831 AC_MSG_CHECKING(assembler thread-local storage support)
1832 gcc_cv_as_tls=no
1833 conftest_s=
1834 tls_first_major=
1835 tls_first_minor=
1836 case "$target" in
1837 changequote(,)dnl
1838 alpha*-*-*)
1839 conftest_s='
1840 .section ".tdata","awT",@progbits
1841 foo: .long 25
1842 .text
1843 ldq $27,__tls_get_addr($29) !literal!1
1844 lda $16,foo($29) !tlsgd!1
1845 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
1846 ldq $27,__tls_get_addr($29) !literal!2
1847 lda $16,foo($29) !tlsldm!2
1848 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
1849 ldq $1,foo($29) !gotdtprel
1850 ldah $2,foo($29) !dtprelhi
1851 lda $3,foo($2) !dtprello
1852 lda $4,foo($29) !dtprel
1853 ldq $1,foo($29) !gottprel
1854 ldah $2,foo($29) !tprelhi
1855 lda $3,foo($2) !tprello
1856 lda $4,foo($29) !tprel'
1857 tls_first_major=2
1858 tls_first_minor=13
1859 ;;
1860 i[34567]86-*-*)
1861 changequote([,])dnl
1862 conftest_s='
1863 .section ".tdata","awT",@progbits
1864 foo: .long 25
1865 .text
1866 movl %gs:0, %eax
1867 leal foo@TLSGD(,%ebx,1), %eax
1868 leal foo@TLSLDM(%ebx), %eax
1869 leal foo@DTPOFF(%eax), %edx
1870 movl foo@GOTTPOFF(%ebx), %eax
1871 subl foo@GOTTPOFF(%ebx), %eax
1872 addl foo@GOTNTPOFF(%ebx), %eax
1873 movl foo@INDNTPOFF, %eax
1874 movl $foo@TPOFF, %eax
1875 subl $foo@TPOFF, %eax
1876 leal foo@NTPOFF(%ecx), %eax'
1877 tls_first_major=2
1878 tls_first_minor=14
1879 ;;
1880 x86_64-*-*)
1881 conftest_s='
1882 .section ".tdata","awT",@progbits
1883 foo: .long 25
1884 .text
1885 movq %fs:0, %rax
1886 leaq foo@TLSGD(%rip), %rdi
1887 leaq foo@TLSLD(%rip), %rdi
1888 leaq foo@DTPOFF(%rax), %rdx
1889 movq foo@GOTTPOFF(%rip), %rax
1890 movq $foo@TPOFF, %rax'
1891 tls_first_major=2
1892 tls_first_minor=14
1893 ;;
1894 ia64-*-*)
1895 conftest_s='
1896 .section ".tdata","awT",@progbits
1897 foo: data8 25
1898 .text
1899 addl r16 = @ltoff(@dtpmod(foo#)), gp
1900 addl r17 = @ltoff(@dtprel(foo#)), gp
1901 addl r18 = @ltoff(@tprel(foo#)), gp
1902 addl r19 = @dtprel(foo#), gp
1903 adds r21 = @dtprel(foo#), r13
1904 movl r23 = @dtprel(foo#)
1905 addl r20 = @tprel(foo#), gp
1906 adds r22 = @tprel(foo#), r13
1907 movl r24 = @tprel(foo#)'
1908 tls_first_major=2
1909 tls_first_minor=13
1910 ;;
1911 esac
1912 if test -z "$tls_first_major"; then
1913 :
1914 elif test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
1915 then
1916 if test "$gcc_cv_gas_major_version" -eq "$tls_first_major" \
1917 -a "$gcc_cv_gas_minor_version" -ge "$tls_first_minor" \
1918 -o "$gcc_cv_gas_major_version" -gt "$tls_first_major"; then
1919 gcc_cv_as_tls=yes
1920 fi
1921 elif test x$gcc_cv_as != x; then
1922 echo "$conftest_s" > conftest.s
1923 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1
1924 then
1925 gcc_cv_as_tls=yes
1926 fi
1927 rm -f conftest.s conftest.o
1928 fi
1929 if test "$gcc_cv_as_tls" = yes; then
1930 AC_DEFINE(HAVE_AS_TLS, 1,
1931 [Define if your assembler supports thread-local storage.])
1932 fi
1933 AC_MSG_RESULT($gcc_cv_as_tls)
1935 case "$target" in
1936 # All TARGET_ABI_OSF targets.
1937 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
1938 AC_CACHE_CHECK([assembler supports explicit relocations],
1939 gcc_cv_as_explicit_relocs, [
1940 gcc_cv_as_explicit_relocs=unknown
1941 if test x$gcc_cv_gas_major_version != x \
1942 -a x$gcc_cv_gas_minor_version != x
1943 then
1944 if test "$gcc_cv_gas_major_version" -eq 2 \
1945 -a "$gcc_cv_gas_minor_version" -ge 12 \
1946 -o "$gcc_cv_gas_major_version" -gt 2; then
1947 gcc_cv_as_explicit_relocs=yes
1948 fi
1949 elif test x$gcc_cv_as != x; then
1950 cat > conftest.s << 'EOF'
1951 .set nomacro
1952 .text
1953 extbl $3, $2, $3 !lituse_bytoff!1
1954 ldq $2, a($29) !literal!1
1955 ldq $4, b($29) !literal!2
1956 ldq_u $3, 0($2) !lituse_base!1
1957 ldq $27, f($29) !literal!5
1958 jsr $26, ($27), f !lituse_jsr!5
1959 ldah $29, 0($26) !gpdisp!3
1960 lda $0, c($29) !gprel
1961 ldah $1, d($29) !gprelhigh
1962 lda $1, d($1) !gprellow
1963 lda $29, 0($29) !gpdisp!3
1964 EOF
1965 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1966 gcc_cv_as_explicit_relocs=yes
1967 else
1968 gcc_cv_as_explicit_relocs=no
1969 fi
1970 rm -f conftest.s conftest.o
1971 fi
1972 ])
1973 if test "x$gcc_cv_as_explicit_relocs" = xyes; then
1974 AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
1975 [Define if your assembler supports explicit relocations.])
1976 fi
1977 ;;
1978 sparc*-*-*)
1979 AC_CACHE_CHECK([assembler .register pseudo-op support],
1980 gcc_cv_as_register_pseudo_op, [
1981 gcc_cv_as_register_pseudo_op=unknown
1982 if test x$gcc_cv_as != x; then
1983 # Check if we have .register
1984 echo ".register %g2, #scratch" > conftest.s
1985 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1986 gcc_cv_as_register_pseudo_op=yes
1987 else
1988 gcc_cv_as_register_pseudo_op=no
1989 fi
1990 rm -f conftest.s conftest.o
1991 fi
1992 ])
1993 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
1994 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
1995 [Define if your assembler supports .register.])
1996 fi
1998 AC_CACHE_CHECK([assembler supports -relax],
1999 gcc_cv_as_relax_opt, [
2000 gcc_cv_as_relax_opt=unknown
2001 if test x$gcc_cv_as != x; then
2002 # Check if gas supports -relax
2003 echo ".text" > conftest.s
2004 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
2005 gcc_cv_as_relax_opt=yes
2006 else
2007 gcc_cv_as_relax_opt=no
2008 fi
2009 rm -f conftest.s conftest.o
2010 fi
2011 ])
2012 if test "x$gcc_cv_as_relax_opt" = xyes; then
2013 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
2014 [Define if your assembler supports -relax option.])
2015 fi
2017 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
2018 gcc_cv_as_sparc_ua_pcrel, [
2019 gcc_cv_as_sparc_ua_pcrel=unknown
2020 if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
2021 gcc_cv_as_sparc_ua_pcrel=no
2022 echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
2023 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
2024 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
2025 gcc_cv_as_sparc_ua_pcrel=yes
2026 fi
2027 rm -f conftest.s conftest.o conftest
2028 fi
2029 ])
2030 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
2031 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
2032 [Define if your assembler and linker support unaligned PC relative relocs.])
2033 fi
2035 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols],
2036 gcc_cv_as_sparc_ua_pcrel_hidden, [
2037 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
2038 gcc_cv_as_sparc_ua_pcrel_hidden=unknown
2039 if test x$gcc_cv_objdump != x; then
2040 gcc_cv_as_sparc_ua_pcrel_hidden=no
2041 echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s
2042 echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s
2043 echo "foo: .skip 4" >> conftest.s
2044 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
2045 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
2046 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
2047 | grep ' 31000000 07323334' > /dev/null 2>&1; then
2048 if $gcc_cv_objdump -R conftest 2> /dev/null \
2049 | grep 'DISP32' > /dev/null 2>&1; then
2050 :
2051 else
2052 gcc_cv_as_sparc_ua_pcrel_hidden=yes
2053 fi
2054 fi
2055 fi
2056 rm -f conftest.s conftest.o conftest
2057 else
2058 gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel"
2059 fi
2060 ])
2061 if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then
2062 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
2063 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])
2064 fi
2066 AC_CACHE_CHECK([for assembler offsetable %lo() support],
2067 gcc_cv_as_offsetable_lo10, [
2068 gcc_cv_as_offsetable_lo10=unknown
2069 if test "x$gcc_cv_as" != x; then
2070 # Check if assembler has offsetable %lo()
2071 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
2072 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
2073 if $gcc_cv_as -xarch=v9 -o conftest.o conftest.s \
2074 > /dev/null 2>&1 &&
2075 $gcc_cv_as -xarch=v9 -o conftest1.o conftest1.s \
2076 > /dev/null 2>&1; then
2077 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
2078 gcc_cv_as_offsetable_lo10=no
2079 else
2080 gcc_cv_as_offsetable_lo10=yes
2081 fi
2082 else
2083 gcc_cv_as_offsetable_lo10=no
2084 fi
2085 rm -f conftest.s conftest.o conftest1.s conftest1.o
2086 fi
2087 ])
2088 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
2089 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2090 [Define if your assembler supports offsetable %lo().])
2091 fi
2093 ;;
2095 changequote(,)dnl
2096 i[34567]86-*-* | x86_64-*-*)
2097 changequote([,])dnl
2098 AC_MSG_CHECKING(assembler instructions)
2099 gcc_cv_as_instructions=
2100 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
2101 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
2102 gcc_cv_as_instructions="filds fists"
2103 fi
2104 elif test x$gcc_cv_as != x; then
2105 set "filds fists" "filds mem; fists mem"
2106 while test $# -gt 0
2107 do
2108 echo "$2" > conftest.s
2109 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2110 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
2111 fi
2112 shift 2
2113 done
2114 rm -f conftest.s conftest.o
2115 fi
2116 if test x"$gcc_cv_as_instructions" != x; then
2117 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
2118 fi
2119 AC_MSG_RESULT($gcc_cv_as_instructions)
2121 AC_MSG_CHECKING(assembler GOTOFF in data directives)
2122 gcc_cv_as_gotoff_in_data=no
2123 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
2124 then
2125 if test "$gcc_cv_gas_major_version" -eq 2 \
2126 -a "$gcc_cv_gas_minor_version" -ge 11 \
2127 -o "$gcc_cv_gas_major_version" -gt 2; then
2128 gcc_cv_as_gotoff_in_data=yes
2129 fi
2130 elif test x$gcc_cv_as != x; then
2131 cat > conftest.s <<EOF
2132 .text
2133 .L0:
2134 nop
2135 .data
2136 .long .L0@GOTOFF
2137 EOF
2138 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2139 gcc_cv_as_gotoff_in_data=yes
2140 fi
2141 fi
2142 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2143 [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2144 [Define true if the assembler supports '.long foo@GOTOFF'.])
2145 AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
2146 ;;
2147 esac
2149 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
2150 gcc_cv_as_dwarf2_debug_line=no
2151 # ??? Not all targets support dwarf2 debug_line, even within a version
2152 # of gas. Moreover, we need to emit a valid instruction to trigger any
2153 # info to the output file. So, as supported targets are added to gas 2.11,
2154 # add some instruction here to (also) show we expect this might work.
2155 # ??? Once 2.11 is released, probably need to add first known working
2156 # version to the per-target configury.
2157 case "$target" in
2158 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
2159 | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-*)
2160 insn="nop"
2161 ;;
2162 ia64*-*-*)
2163 insn="nop 0"
2164 ;;
2165 esac
2166 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2167 then
2168 if test "$gcc_cv_gas_major_version" -eq 2 \
2169 -a "$gcc_cv_gas_minor_version" -ge 11 \
2170 -o "$gcc_cv_gas_major_version" -gt 2 \
2171 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2172 && test x"$insn" != x ; then
2173 gcc_cv_as_dwarf2_debug_line="yes"
2174 fi
2175 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2176 echo ' .file 1 "conftest.s"' > conftest.s
2177 echo ' .loc 1 3 0' >> conftest.s
2178 echo " $insn" >> conftest.s
2179 # ??? This fails with non-gnu grep.
2180 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
2181 && grep debug_line conftest.o > /dev/null 2>&1 ; then
2182 # The .debug_line file table must be in the exact order that
2183 # we specified the files, since these indices are also used
2184 # by DW_AT_decl_file. Approximate this test by testing if
2185 # the assembler bitches if the same index is assigned twice.
2186 echo ' .file 1 "foo.s"' > conftest.s
2187 echo ' .file 1 "bar.s"' >> conftest.s
2188 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
2189 then
2190 gcc_cv_as_dwarf2_debug_line="no"
2191 else
2192 gcc_cv_as_dwarf2_debug_line="yes"
2193 fi
2194 fi
2195 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
2196 fi
2197 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
2198 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2199 [Define if your assembler supports dwarf2 .file/.loc directives,
2200 and preserves file table indices exactly as given.])
2201 fi
2202 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
2204 AC_MSG_CHECKING(assembler --gdwarf2 support)
2205 gcc_cv_as_gdwarf2_flag=no
2206 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2207 then
2208 if test "$gcc_cv_gas_major_version" -eq 2 \
2209 -a "$gcc_cv_gas_minor_version" -ge 11 \
2210 -o "$gcc_cv_gas_major_version" -gt 2 \
2211 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2212 && test x"$insn" != x ; then
2213 gcc_cv_as_gdwarf2_flag="yes"
2214 fi
2215 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2216 echo '' > conftest.s
2217 # ??? This fails with non-gnu grep.
2218 if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
2219 then
2220 gcc_cv_as_gdwarf2_flag="yes"
2221 fi
2222 rm -f conftest.s conftest.o
2223 fi
2224 if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
2225 AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2226 [Define if your assembler supports the --gdwarf2 option.])
2227 fi
2228 AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
2230 AC_MSG_CHECKING(assembler --gstabs support)
2231 gcc_cv_as_gstabs_flag=no
2232 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2233 then
2234 if test "$gcc_cv_gas_major_version" -eq 2 \
2235 -a "$gcc_cv_gas_minor_version" -ge 11 \
2236 -o "$gcc_cv_gas_major_version" -gt 2 \
2237 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2238 && test x"$insn" != x ; then
2239 gcc_cv_as_gstabs_flag="yes"
2240 fi
2241 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2242 echo '' > conftest.s
2243 # ??? This fails with non-gnu grep.
2244 if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
2245 gcc_cv_as_gstabs_flag="yes"
2246 fi
2247 rm -f conftest.s conftest.o
2248 fi
2249 if test x"$gcc_cv_as_gstabs_flag" = xyes; then
2250 AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2251 [Define if your assembler supports the --gstabs option.])
2252 fi
2253 AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
2255 AC_MSG_CHECKING(linker read-only and read-write section mixing)
2256 gcc_cv_ld_ro_rw_mix=unknown
2257 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2258 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
2259 gcc_cv_ld_ro_rw_mix=read-write
2260 fi
2261 elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
2262 echo '.section "myfoosect", "a"' > conftest1.s
2263 echo '.section "myfoosect", "aw"' > conftest2.s
2264 echo '.byte 1' >> conftest2.s
2265 echo '.section "myfoosect", "a"' > conftest3.s
2266 echo '.byte 0' >> conftest3.s
2267 if $gcc_cv_as -o conftest1.o conftest1.s \
2268 && $gcc_cv_as -o conftest2.o conftest2.s \
2269 && $gcc_cv_as -o conftest3.o conftest3.s \
2270 && $gcc_cv_ld -shared -o conftest1.so conftest1.o \
2271 conftest2.o conftest3.o; then
2272 gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \
2273 | grep -A1 myfoosect`
2274 if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then
2275 if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then
2276 gcc_cv_ld_ro_rw_mix=read-only
2277 else
2278 gcc_cv_ld_ro_rw_mix=read-write
2279 fi
2280 fi
2281 fi
2282 changequote(,)dnl
2283 rm -f conftest.* conftest[123].*
2284 changequote([,])dnl
2285 fi
2286 if test x$gcc_cv_ld_ro_rw_mix = xread-write; then
2287 AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1,
2288 [Define if your linker links a mix of read-only
2289 and read-write sections into a read-write section.])
2290 fi
2291 AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)
2293 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2294 gcc_cv_ld_eh_frame_hdr=no
2295 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2296 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
2297 gcc_cv_ld_eh_frame_hdr=yes
2298 fi
2299 elif test x$gcc_cv_ld != x; then
2300 # Check if linker supports --eh-frame-hdr option
2301 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2302 gcc_cv_ld_eh_frame_hdr=yes
2303 fi
2304 fi
2305 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2306 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2307 [Define if your linker supports --eh-frame-hdr option.])
2308 fi
2309 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2311 # Miscellaneous target-specific checks.
2312 case "$target" in
2313 mips*-*-*)
2314 AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently)
2315 gcc_cv_mips_libgloss_startup=no
2316 gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
2317 if test "x$exec_prefix" = xNONE; then
2318 if test "x$prefix" = xNONE; then
2319 test_prefix=/usr/local
2320 else
2321 test_prefix=$prefix
2322 fi
2323 else
2324 test_prefix=$exec_prefix
2325 fi
2326 for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld
2327 do
2328 if grep '^STARTUP' $f > /dev/null 2>&1; then
2329 gcc_cv_mips_libgloss_startup=yes
2330 break
2331 fi
2332 done
2333 if test x"$gcc_cv_mips_libgloss_startup" = xyes; then
2334 AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1,
2335 [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
2336 fi
2337 AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
2338 ;;
2339 esac
2341 if test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
2342 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
2343 fi
2345 # Figure out what language subdirectories are present.
2346 # Look if the user specified --enable-languages="..."; if not, use
2347 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2348 # go away some day.
2349 # NB: embedded tabs in this IF block -- do not untabify
2350 if test x"${enable_languages+set}" != xset; then
2351 if test x"${LANGUAGES+set}" = xset; then
2352 enable_languages="${LANGUAGES}"
2353 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2355 else
2356 enable_languages=all
2357 fi
2358 else
2359 if test x"${enable_languages}" = x \
2360 || test x"${enable_languages}" = xyes;
2361 then
2362 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2363 fi
2364 fi
2365 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2367 # First scan to see if an enabled language requires some other language.
2368 # We assume that a given config-lang.in will list all the language
2369 # front ends it requires, even if some are required indirectly.
2370 for lang in ${srcdir}/*/config-lang.in ..
2371 do
2372 case $lang in
2373 ..)
2374 ;;
2375 # The odd quoting in the next line works around
2376 # an apparent bug in bash 1.12 on linux.
2377 changequote(,)dnl
2378 ${srcdir}/[*]/config-lang.in)
2379 ;;
2380 *)
2381 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2382 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2383 for other in $this_lang_requires
2384 do
2385 case ,${enable_languages}, in
2386 *,$other,*)
2387 ;;
2388 *,all,*)
2389 ;;
2390 *,$lang_alias,*)
2391 enable_languages="$enable_languages,$other"
2392 ;;
2393 esac
2394 done
2395 ;;
2396 changequote([,])dnl
2397 esac
2398 done
2400 expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
2401 found_languages=
2402 subdirs=
2403 for lang in ${srcdir}/*/config-lang.in ..
2404 do
2405 case $lang in
2406 ..) ;;
2407 # The odd quoting in the next line works around
2408 # an apparent bug in bash 1.12 on linux.
2409 changequote(,)dnl
2410 ${srcdir}/[*]/config-lang.in) ;;
2411 *)
2412 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2413 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2414 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2415 if test "x$lang_alias" = x
2416 then
2417 echo "$lang doesn't set \$language." 1>&2
2418 exit 1
2419 fi
2420 case ${build_by_default},${enable_languages}, in
2421 *,$lang_alias,*) add_this_lang=yes ;;
2422 no,*) add_this_lang=no ;;
2423 *,all,*) add_this_lang=yes ;;
2424 *) add_this_lang=no ;;
2425 esac
2426 found_languages="${found_languages} ${lang_alias}"
2427 if test x"${add_this_lang}" = xyes; then
2428 case $lang in
2429 ${srcdir}/ada/config-lang.in)
2430 if test x$have_gnat = xyes ; then
2431 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2432 fi
2433 ;;
2434 *)
2435 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2436 ;;
2437 esac
2438 fi
2439 ;;
2440 changequote([,])dnl
2441 esac
2442 done
2444 missing_languages=
2445 for expected_language in ${expected_languages} ..
2446 do
2447 if test "${expected_language}" != ..; then
2448 missing_language="${expected_language}"
2449 if test "${expected_language}" = "c" \
2450 || test "${expected_language}" = "all"; then
2451 missing_language=
2452 fi
2453 for found_language in ${found_languages} ..
2454 do
2455 if test "${found_language}" != ..; then
2456 if test "${expected_language}" = "${found_language}"; then
2457 missing_language=
2458 fi
2459 fi
2460 done
2461 if test "x${missing_language}" != x; then
2462 missing_languages="${missing_languages} ${missing_language}"
2463 fi
2464 fi
2465 done
2467 if test "x$missing_languages" != x; then
2468 AC_MSG_ERROR([
2469 The following requested languages were not found:${missing_languages}
2470 The following languages were available: c${found_languages}])
2471 fi
2473 # Make gthr-default.h if we have a thread file.
2474 gthread_flags=
2475 if test $thread_file != single; then
2476 rm -f gthr-default.h
2477 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2478 gthread_flags=-DHAVE_GTHR_DEFAULT
2479 fi
2480 AC_SUBST(gthread_flags)
2482 # Find out what GC implementation we want, or may, use.
2483 AC_ARG_WITH(gc,
2484 [ --with-gc={simple,page} choose the garbage collection mechanism to use
2485 with the compiler],
2486 [case "$withval" in
2487 simple | page)
2488 GGC=ggc-$withval
2489 ;;
2490 *)
2491 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2492 ;;
2493 esac],
2494 [GGC=ggc-page])
2495 AC_SUBST(GGC)
2496 echo "Using $GGC for garbage collection."
2498 # Use the system's zlib library.
2499 zlibdir=-L../zlib
2500 zlibinc="-I\$(srcdir)/../zlib"
2501 AC_ARG_WITH(system-zlib,
2502 [ --with-system-zlib use installed libz],
2503 zlibdir=
2504 zlibinc=
2505 )
2506 AC_SUBST(zlibdir)
2507 AC_SUBST(zlibinc)
2509 dnl Very limited version of automake's enable-maintainer-mode
2511 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2512 dnl maintainer-mode is disabled by default
2513 AC_ARG_ENABLE(maintainer-mode,
2514 [ --enable-maintainer-mode
2515 enable make rules and dependencies not useful
2516 (and sometimes confusing) to the casual installer],
2517 maintainer_mode=$enableval,
2518 maintainer_mode=no)
2520 AC_MSG_RESULT($maintainer_mode)
2522 if test "$maintainer_mode" = "yes"; then
2523 MAINT=''
2524 else
2525 MAINT='#'
2526 fi
2527 AC_SUBST(MAINT)dnl
2529 # Make empty files to contain the specs and options for each language.
2530 # Then add #include lines to for a compiler that has specs and/or options.
2532 lang_specs_files=
2533 lang_options_files=
2534 lang_tree_files=
2535 for subdir in . $subdirs
2536 do
2537 if test -f $srcdir/$subdir/lang-specs.h; then
2538 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2539 fi
2540 if test -f $srcdir/$subdir/lang-options.h; then
2541 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
2542 fi
2543 if test -f $srcdir/$subdir/$subdir-tree.def; then
2544 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2545 fi
2546 done
2548 # These (without "all_") are set in each config-lang.in.
2549 # `language' must be a single word so is spelled singularly.
2550 all_languages=
2551 all_boot_languages=
2552 all_compilers=
2553 all_stagestuff=
2554 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2555 # List of language makefile fragments.
2556 all_lang_makefiles=
2557 # Files for gengtype
2558 all_gtfiles="$target_gtfiles"
2559 # Files for gengtype with language
2560 all_gtfiles_files_langs=
2561 all_gtfiles_files_files=
2563 # Add the language fragments.
2564 # Languages are added via two mechanisms. Some information must be
2565 # recorded in makefile variables, these are defined in config-lang.in.
2566 # We accumulate them and plug them into the main Makefile.
2567 # The other mechanism is a set of hooks for each of the main targets
2568 # like `clean', `install', etc.
2570 language_fragments="Make-lang"
2571 language_hooks="Make-hooks"
2573 for s in .. $subdirs
2574 do
2575 if test $s != ".."
2576 then
2577 language=
2578 boot_language=
2579 compilers=
2580 stagestuff=
2581 outputs=
2582 gtfiles=
2583 . ${srcdir}/$s/config-lang.in
2584 if test "x$language" = x
2585 then
2586 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2587 exit 1
2588 fi
2589 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
2590 if test -f ${srcdir}/$s/Makefile.in
2591 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
2592 fi
2593 all_languages="$all_languages $language"
2594 if test "x$boot_language" = xyes
2595 then
2596 all_boot_languages="$all_boot_languages $language"
2597 fi
2598 all_compilers="$all_compilers $compilers"
2599 all_stagestuff="$all_stagestuff $stagestuff"
2600 all_outputs="$all_outputs $outputs"
2601 all_gtfiles="$all_gtfiles $gtfiles"
2602 for f in .. $gtfiles
2603 do
2604 if test $f != ".."
2605 then
2606 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2607 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2608 fi
2609 done
2610 fi
2611 done
2613 # Pick up gtfiles for c
2614 gtfiles=
2615 s="c"
2616 . ${srcdir}/c-config-lang.in
2617 all_gtfiles="$all_gtfiles $gtfiles"
2618 for f in .. $gtfiles
2619 do
2620 if test $f != ".."
2621 then
2622 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2623 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2624 fi
2625 done
2627 check_languages=
2628 for language in .. $all_languages
2629 do
2630 if test $language != ".."
2631 then
2632 check_languages="$check_languages check-$language"
2633 fi
2634 done
2636 # Since we can't use `::' targets, we link each language in
2637 # with a set of hooks, reached indirectly via lang.${target}.
2639 rm -f Make-hooks
2640 touch Make-hooks
2641 target_list="all.build all.cross start.encap rest.encap \
2642 info dvi generated-manpages \
2643 install-normal install-common install-info install-man \
2644 uninstall \
2645 mostlyclean clean distclean extraclean maintainer-clean \
2646 stage1 stage2 stage3 stage4"
2647 for t in $target_list
2648 do
2649 x=
2650 for lang in .. $all_languages
2651 do
2652 if test $lang != ".."; then
2653 x="$x $lang.$t"
2654 fi
2655 done
2656 echo "lang.$t: $x" >> Make-hooks
2657 done
2659 # Create .gdbinit.
2661 echo "dir ." > .gdbinit
2662 echo "dir ${srcdir}" >> .gdbinit
2663 if test x$gdb_needs_out_file_path = xyes
2664 then
2665 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2666 fi
2667 if test "x$subdirs" != x; then
2668 for s in $subdirs
2669 do
2670 echo "dir ${srcdir}/$s" >> .gdbinit
2671 done
2672 fi
2673 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2675 # Define variables host_canonical and build_canonical
2676 # because some Cygnus local changes in the Makefile depend on them.
2677 build_canonical=${build}
2678 host_canonical=${host}
2679 target_subdir=
2680 if test "${host}" != "${target}" ; then
2681 target_subdir=${target_alias}/
2682 fi
2683 AC_SUBST(build_canonical)
2684 AC_SUBST(host_canonical)
2685 AC_SUBST(target_subdir)
2687 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2688 # absolute path for gcc_tooldir based on inserting the number of up-directory
2689 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2690 # $(libsubdir)/@(unlibsubdir) based path.
2691 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2692 # make and thus we'd get different behavior depending on where we built the
2693 # sources.
2694 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2695 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2696 else
2697 changequote(<<, >>)dnl
2698 # An explanation of the sed strings:
2699 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2700 # -e 's|/$||' match a trailing forward slash and eliminates it
2701 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2702 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2703 #
2704 # (*) Note this pattern overwrites the first character of the string
2705 # with a forward slash if one is not already present. This is not a
2706 # problem because the exact names of the sub-directories concerned is
2707 # unimportant, just the number of them matters.
2708 #
2709 # The practical upshot of these patterns is like this:
2710 #
2711 # prefix exec_prefix result
2712 # ------ ----------- ------
2713 # /foo /foo/bar ../
2714 # /foo/ /foo/bar ../
2715 # /foo /foo/bar/ ../
2716 # /foo/ /foo/bar/ ../
2717 # /foo /foo/bar/ugg ../../
2718 #
2719 dollar='$$'
2720 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2721 changequote([, ])dnl
2722 fi
2723 AC_SUBST(gcc_tooldir)
2724 AC_SUBST(dollar)
2726 # Find a directory in which to install a shared libgcc.
2728 AC_ARG_ENABLE(version-specific-runtime-libs,
2729 [ --enable-version-specific-runtime-libs
2730 specify that runtime libraries should be
2731 installed in a compiler-specific directory])
2733 AC_ARG_WITH(slibdir,
2734 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2735 slibdir="$with_slibdir",
2736 if test "${enable_version_specific_runtime_libs+set}" = set; then
2737 slibdir='$(libsubdir)'
2738 elif test "$host" != "$target"; then
2739 slibdir='$(build_tooldir)/lib'
2740 else
2741 slibdir='$(libdir)'
2742 fi)
2743 AC_SUBST(slibdir)
2745 objdir=`${PWDCMD-pwd}`
2746 AC_SUBST(objdir)
2748 # Process the language and host/target makefile fragments.
2749 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
2751 # Substitute configuration variables
2752 AC_SUBST(subdirs)
2753 AC_SUBST(srcdir)
2754 AC_SUBST(all_boot_languages)
2755 AC_SUBST(all_compilers)
2756 AC_SUBST(all_gtfiles)
2757 AC_SUBST(all_gtfiles_files_langs)
2758 AC_SUBST(all_gtfiles_files_files)
2759 AC_SUBST(all_lang_makefiles)
2760 AC_SUBST(all_languages)
2761 AC_SUBST(all_stagestuff)
2762 AC_SUBST(build_exeext)
2763 AC_SUBST(build_install_headers_dir)
2764 AC_SUBST(build_xm_file_list)
2765 AC_SUBST(build_xm_file)
2766 AC_SUBST(build_xm_defines)
2767 AC_SUBST(check_languages)
2768 AC_SUBST(cc_set_by_configure)
2769 AC_SUBST(quoted_cc_set_by_configure)
2770 AC_SUBST(cpp_install_dir)
2771 AC_SUBST(dep_host_xmake_file)
2772 AC_SUBST(dep_tmake_file)
2773 AC_SUBST(extra_headers_list)
2774 AC_SUBST(extra_objs)
2775 AC_SUBST(extra_parts)
2776 AC_SUBST(extra_passes)
2777 AC_SUBST(extra_programs)
2778 AC_SUBST(float_h_file)
2779 AC_SUBST(gcc_config_arguments)
2780 AC_SUBST(gcc_gxx_include_dir)
2781 AC_SUBST(libstdcxx_incdir)
2782 AC_SUBST(gcc_version)
2783 AC_SUBST(gcc_version_full)
2784 AC_SUBST(gcc_version_trigger)
2785 AC_SUBST(host_exeext)
2786 AC_SUBST(host_extra_gcc_objs)
2787 AC_SUBST(host_xm_file_list)
2788 AC_SUBST(host_xm_file)
2789 AC_SUBST(host_xm_defines)
2790 AC_SUBST(install)
2791 AC_SUBST(lang_options_files)
2792 AC_SUBST(lang_specs_files)
2793 AC_SUBST(lang_tree_files)
2794 AC_SUBST(local_prefix)
2795 AC_SUBST(md_file)
2796 AC_SUBST(objc_boehm_gc)
2797 AC_SUBST(out_file)
2798 AC_SUBST(out_object_file)
2799 AC_SUBST(stage_prefix_set_by_configure)
2800 AC_SUBST(quoted_stage_prefix_set_by_configure)
2801 AC_SUBST(symbolic_link)
2802 AC_SUBST(thread_file)
2803 AC_SUBST(tm_file_list)
2804 AC_SUBST(tm_file)
2805 AC_SUBST(tm_defines)
2806 AC_SUBST(tm_p_file_list)
2807 AC_SUBST(tm_p_file)
2808 AC_SUBST(xm_file)
2809 AC_SUBST(xm_defines)
2810 AC_SUBST(target_alias)
2811 AC_SUBST(c_target_objs)
2812 AC_SUBST(cxx_target_objs)
2813 AC_SUBST(target_cpu_default)
2815 AC_SUBST_FILE(target_overrides)
2816 AC_SUBST_FILE(host_overrides)
2817 AC_SUBST_FILE(language_fragments)
2818 AC_SUBST_FILE(language_hooks)
2820 # Echo that links are built
2821 if test x$host = x$target
2822 then
2823 str1="native "
2824 else
2825 str1="cross-"
2826 str2=" from $host"
2827 fi
2829 if test x$host != x$build
2830 then
2831 str3=" on a $build system"
2832 fi
2834 if test "x$str2" != x || test "x$str3" != x
2835 then
2836 str4=
2837 fi
2839 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
2841 if test "x$str2" != x || test "x$str3" != x
2842 then
2843 echo " ${str2}${str3}." 1>&2
2844 fi
2846 # Truncate the target if necessary
2847 if test x$host_truncate_target != x; then
2848 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
2849 fi
2851 # Configure the subdirectories
2852 # AC_CONFIG_SUBDIRS($subdirs)
2854 # Create the Makefile
2855 # and configure language subdirectories
2856 AC_OUTPUT($all_outputs,
2857 [
2858 case x$CONFIG_HEADERS in
2859 xauto-host.h:config.in)
2860 echo > cstamp-h ;;
2861 esac
2862 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
2863 # bootstrapping and the installation procedure can still use
2864 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
2865 # FLAGS_TO_PASS has been modified to solve the problem there.
2866 # This is virtually a duplicate of what happens in configure.lang; we do
2867 # an extra check to make sure this only happens if ln -s can be used.
2868 if test "$symbolic_link" = "ln -s"; then
2869 for d in .. ${subdirs} fixinc ; do
2870 if test $d != ..; then
2871 STARTDIR=`${PWDCMD-pwd}`
2872 cd $d
2873 for t in stage1 stage2 stage3 stage4 include
2874 do
2875 rm -f $t
2876 $symbolic_link ../$t $t 2>/dev/null
2877 done
2878 cd $STARTDIR
2879 fi
2880 done
2881 else true ; fi
2882 # Avoid having to add intl to our include paths.
2883 if test -f intl/libintl.h; then
2884 echo creating libintl.h
2885 echo '#include "intl/libintl.h"' >libintl.h
2886 fi
2887 ],
2888 [subdirs='$subdirs'
2889 symbolic_link='$symbolic_link'
2890 ])