1 # Process this file with autoreconf to produce a configure script.
3 AC_INIT(package-unused, version-unused,, libstdc++)
4 AC_CONFIG_SRCDIR(src/shared/hashtable-aux.cc)
5 AC_CONFIG_HEADER(config.h)
7 # This works around the fact that libtool configuration may change LD
8 # for this particular configuration, but some shells, instead of
9 # keeping the changes in LD private, export them just because LD is
10 # exported. Only used at the end of this file.
11 ### am handles this now? ORIGINAL_LD_FOR_MULTILIBS=$LD
13 # Find the rest of the source tree framework.
14 AM_ENABLE_MULTILIB(, ..)
16 # Gets build, host, target, *_vendor, *_cpu, *_os, etc.
18 # You will slowly go insane if you do not grok the following fact: when
19 # building v3 as part of the compiler, the top-level /target/ becomes the
20 # library's /host/. configure then causes --target to default to --host,
21 # exactly like any other package using autoconf. Therefore, 'target' and
22 # 'host' will always be the same. This makes sense both for native and
23 # cross compilers, just think about it for a little while. :-)
25 # Also, if v3 is being configured as part of a cross compiler, the top-level
26 # configure script will pass the "real" host as $with_cross_host.
28 # Do not delete or change the following two lines. For why, see
29 # http://gcc.gnu.org/ml/libstdc++/2003-07/msg00451.html
31 target_alias=${target_alias-$host_alias}
33 # Handy for debugging:
34 #AC_MSG_NOTICE($build / $host / $target / $host_alias / $target_alias); sleep 5
36 if test "$build" != "$host"; then
37 # We are being configured with some form of cross compiler.
38 GLIBCXX_IS_NATIVE=false
39 case "$host","$target" in
40 # Darwin crosses can use the host system's libraries and headers,
41 # because of the fat library support. Of course, it must be the
42 # same version of Darwin on both sides. Allow the user to
43 # just say --target=foo-darwin without a version number to mean
44 # "the version on this system".
45 *-*-darwin*,*-*-darwin*)
46 hostos=`echo $host | sed 's/.*-darwin/darwin/'`
47 targetos=`echo $target | sed 's/.*-darwin/darwin/'`
48 if test $hostos = $targetos -o $targetos = darwin ; then
49 GLIBCXX_IS_NATIVE=true
58 GLIBCXX_IS_NATIVE=true
61 # Sets up automake. Must come after AC_CANONICAL_SYSTEM. Each of the
62 # following is magically included in AUTOMAKE_OPTIONS in each Makefile.am.
63 # 1.x: minimum required version
64 # no-define: PACKAGE and VERSION will not be #define'd in config.h (a bunch
65 # of other PACKAGE_* variables will, however, and there's nothing
66 # we can do about that; they come from AC_INIT).
67 # foreign: we don't follow the normal rules for GNU packages (no COPYING
68 # file in the top srcdir, etc, etc), so stop complaining.
69 # no-dependencies: turns off auto dependency generation (just for now)
70 # no-dist: we don't want 'dist' and related rules.
71 # -Wall: turns on all automake warnings...
72 # -Wno-portability: ...except this one, since GNU make is now required.
73 AM_INIT_AUTOMAKE([1.9.3 no-define foreign no-dependencies no-dist -Wall -Wno-portability -Wno-override])
74 AH_TEMPLATE(PACKAGE, [Name of package])
75 AH_TEMPLATE(VERSION, [Version number of package])
77 # -fno-builtin must be present here so that a non-conflicting form of
78 # std::exit can be guessed by AC_PROG_CXX, and used in later tests.
80 save_CXXFLAGS="$CXXFLAGS"
81 CXXFLAGS="$CXXFLAGS -fno-builtin"
84 CXXFLAGS="$save_CXXFLAGS"
88 # Runs configure.host, and assorted other critical bits. Sets
89 # up critical shell variables.
93 if test "x${with_newlib}" != "xyes" &&
94 test "x${with_avrlibc}" != "xyes" &&
95 test "x$with_headers" != "xno"; then
100 AC_SUBST(enable_shared)
101 AC_SUBST(enable_static)
103 if test "$enable_vtable_verify" = yes; then
104 predep_objects_CXX="${predep_objects_CXX} ${glibcxx_builddir}/../libgcc/vtv_start.o"
105 postdep_objects_CXX="${postdep_objects_CXX} ${glibcxx_builddir}/../libgcc/vtv_end.o"
109 # libtool variables for C++ shared and position-independent compiles.
111 # Use glibcxx_lt_pic_flag to designate the automake variable
112 # used to encapsulate the default libtool approach to creating objects
113 # with position-independent code. Default: -prefer-pic.
115 # Use glibcxx_compiler_shared_flag to designate a compile-time flags for
116 # creating shared objects. Default: -D_GLIBCXX_SHARED.
118 # Use glibcxx_compiler_pic_flag to designate a compile-time flags for
119 # creating position-independent objects. This varies with the target
120 # hardware and operating system, but is often: -DPIC -fPIC.
121 if test "$enable_shared" = yes; then
122 glibcxx_lt_pic_flag="-prefer-pic"
123 glibcxx_compiler_pic_flag="$lt_prog_compiler_pic_CXX"
124 glibcxx_compiler_shared_flag="-D_GLIBCXX_SHARED"
128 glibcxx_compiler_pic_flag=
129 glibcxx_compiler_shared_flag=
131 AC_SUBST(glibcxx_lt_pic_flag)
132 AC_SUBST(glibcxx_compiler_pic_flag)
133 AC_SUBST(glibcxx_compiler_shared_flag)
135 # Override the libtool's pic_flag and pic_mode.
136 # Do this step after AM_PROG_LIBTOOL, but before AC_OUTPUT.
137 # NB: this impacts --with-pic and --without-pic.
138 lt_prog_compiler_pic_CXX="$glibcxx_compiler_pic_flag $glibcxx_compiler_shared_flag"
141 # Eliminate -lstdc++ addition to postdeps for cross compiles.
142 postdeps_CXX=`echo " $postdeps_CXX " | sed 's, -lstdc++ ,,g'`
144 # Possibly disable most of the library.
145 ## TODO: Consider skipping unncessary tests altogether in this case, rather
146 ## than just ignoring the results. Faster /and/ more correct, win win.
147 GLIBCXX_ENABLE_HOSTED
149 # Enable descriptive messages to standard output on termination.
150 GLIBCXX_ENABLE_VERBOSE
152 # Enable compiler support that doesn't require linking.
153 GLIBCXX_ENABLE_PCH($is_hosted)
154 GLIBCXX_ENABLE_THREADS
155 GLIBCXX_ENABLE_ATOMIC_BUILTINS
156 GLIBCXX_ENABLE_LOCK_POLICY
157 GLIBCXX_ENABLE_DECIMAL_FLOAT
158 GLIBCXX_ENABLE_FLOAT128
159 if test "$enable_float128" = yes; then
160 port_specific_symbol_files="$port_specific_symbol_files \$(top_srcdir)/config/abi/pre/float128.ver"
163 # Checks for compiler support that doesn't require linking.
164 GLIBCXX_CHECK_COMPILER_FEATURES
166 # Enable all the variable C++ runtime options that don't require linking.
167 GLIBCXX_ENABLE_CSTDIO
168 GLIBCXX_ENABLE_CLOCALE
169 GLIBCXX_ENABLE_ALLOCATOR
170 GLIBCXX_ENABLE_CHEADERS($c_model) dnl c_model from configure.host
171 GLIBCXX_ENABLE_LONG_LONG([yes])
172 GLIBCXX_ENABLE_WCHAR_T([yes])
173 GLIBCXX_ENABLE_C99([yes])
174 GLIBCXX_ENABLE_CONCEPT_CHECKS([no])
175 GLIBCXX_ENABLE_DEBUG_FLAGS(["-g3 -O0 -D_GLIBCXX_ASSERTIONS"])
176 GLIBCXX_ENABLE_DEBUG([no])
177 GLIBCXX_ENABLE_PARALLEL([yes])
178 GLIBCXX_ENABLE_CXX_FLAGS
179 GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING([no])
180 GLIBCXX_ENABLE_EXTERN_TEMPLATE([yes])
181 GLIBCXX_ENABLE_PYTHON
182 GLIBCXX_ENABLE_WERROR([no])
183 GLIBCXX_ENABLE_VTABLE_VERIFY([no])
185 # Checks for operating systems support that doesn't require linking.
186 GLIBCXX_CHECK_STDIO_PROTO
187 GLIBCXX_CHECK_MATH11_PROTO
188 GLIBCXX_CHECK_UCHAR_H
193 # For showmanyc_helper().
194 AC_CHECK_HEADERS(sys/ioctl.h sys/filio.h)
196 GLIBCXX_CHECK_S_ISREG_OR_S_IFREG
199 AC_CHECK_HEADERS(sys/uio.h)
202 # Check for fenv.h and complex.h before GLIBCXX_CHECK_C99_TR1
203 # so that the check is done with the C compiler (not C++).
204 # Checking with C++ can break a canadian cross build if either
205 # file does not exist in C but does in C++.
206 AC_CHECK_HEADERS(fenv.h complex.h)
208 # For C99 support to TR1.
209 GLIBCXX_CHECK_C99_TR1
211 # For the EOF, SEEK_CUR, and SEEK_END integer constants.
212 GLIBCXX_COMPUTE_STDIO_INTEGER_CONSTANTS
214 # For gettimeofday support.
215 GLIBCXX_CHECK_GETTIMEOFDAY
217 # For clock_gettime, nanosleep and sched_yield support.
218 GLIBCXX_ENABLE_LIBSTDCXX_TIME
220 # Check for tmpnam which is obsolescent in POSIX.1-2008
223 # For pthread_cond_clockwait
224 GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT
226 # For pthread_mutex_clocklock
227 GLIBCXX_CHECK_PTHREAD_MUTEX_CLOCKLOCK
229 # For pthread_rwlock_clockrdlock and pthread_rwlock_clockwrlock
230 GLIBCXX_CHECK_PTHREAD_RWLOCK_CLOCKLOCK
234 # For hardware_concurrency
235 AC_CHECK_HEADERS(sys/sysinfo.h)
236 GLIBCXX_CHECK_GET_NPROCS
237 AC_CHECK_HEADERS(unistd.h)
238 GLIBCXX_CHECK_SC_NPROCESSORS_ONLN
239 GLIBCXX_CHECK_SC_NPROC_ONLN
240 GLIBCXX_CHECK_PTHREADS_NUM_PROCESSORS_NP
241 GLIBCXX_CHECK_SYSCTL_HW_NCPU
244 # Check for available headers.
245 AC_CHECK_HEADERS([endian.h execinfo.h float.h fp.h ieeefp.h inttypes.h \
246 locale.h machine/endian.h machine/param.h nan.h stdint.h stdlib.h string.h \
247 strings.h sys/ipc.h sys/isa_defs.h sys/machine.h sys/param.h \
248 sys/resource.h sys/sem.h sys/stat.h sys/time.h sys/types.h unistd.h \
249 wchar.h wctype.h linux/types.h])
251 AC_CHECK_HEADERS([linux/random.h], [], [],
252 [[#ifdef HAVE_LINUX_TYPES_H
253 # include <linux/types.h>
257 AC_CHECK_HEADERS([xlocale.h])
259 # Only do link tests if native. Else, hardcode.
260 if $GLIBCXX_IS_NATIVE; then
262 # We can do more elaborate tests that assume a working linker.
265 GLIBCXX_CHECK_LINKER_FEATURES
266 GLIBCXX_CHECK_MATH_SUPPORT
267 GLIBCXX_CHECK_STDLIB_SUPPORT
269 # For /dev/random and /dev/urandom for std::random_device.
270 GLIBCXX_CHECK_DEV_RANDOM
275 AC_CHECK_FUNCS(__cxa_thread_atexit_impl __cxa_thread_atexit)
276 AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc)
277 AC_CHECK_FUNCS(_wfopen)
278 AC_CHECK_FUNCS(secure_getenv)
280 # C11 functions for C++17 library
281 AC_CHECK_FUNCS(timespec_get)
284 AC_CHECK_FUNCS(sockatmark)
286 # Non-standard functions used by C++17 std::from_chars
287 AC_CHECK_FUNCS(uselocale)
294 # This lets us hard-code the functionality we know we'll have in the cross
295 # target environment. "Let" is a sugar-coated word placed on an especially
296 # dull and tedious hack, actually.
298 # Here's why GLIBCXX_CHECK_MATH_SUPPORT, and other autoconf macros
299 # that involve linking, can't be used:
300 # "cannot open sim-crt0.o"
301 # "cannot open crt0.o"
302 # etc. All this is because there currently exists no unified, consistent
303 # way for top level CC information to be passed down to target directories:
304 # newlib includes, newlib linking info, libgloss versus newlib crt0.o, etc.
305 # When all of that is done, all of this hokey, excessive AC_DEFINE junk for
306 # crosses can be removed.
308 # If Canadian cross, then don't pick up tools from the build directory.
309 # Used only in GLIBCXX_EXPORT_INCLUDES.
310 if test -n "$with_cross_host" &&
311 test x"$build_alias" != x"$with_cross_host" &&
312 test x"$build" != x"$target";
319 # Construct crosses by hand, eliminating bits that need ld...
320 # GLIBCXX_CHECK_MATH_SUPPORT
322 # First, test for "known" system libraries. We may be using newlib even
323 # on a hosted environment.
324 if test "x${with_newlib}" = "xyes"; then
325 os_include_dir="os/newlib"
326 AC_DEFINE(HAVE_HYPOT)
328 # GLIBCXX_CHECK_STDLIB_SUPPORT
329 AC_DEFINE(HAVE_STRTOF)
331 AC_DEFINE(HAVE_ACOSF)
332 AC_DEFINE(HAVE_ASINF)
333 AC_DEFINE(HAVE_ATAN2F)
334 AC_DEFINE(HAVE_ATANF)
335 AC_DEFINE(HAVE_CEILF)
337 AC_DEFINE(HAVE_COSHF)
339 AC_DEFINE(HAVE_FABSF)
340 AC_DEFINE(HAVE_FLOORF)
341 AC_DEFINE(HAVE_FMODF)
342 AC_DEFINE(HAVE_FREXPF)
343 AC_DEFINE(HAVE_LDEXPF)
344 AC_DEFINE(HAVE_LOG10F)
346 AC_DEFINE(HAVE_MODFF)
349 AC_DEFINE(HAVE_SINHF)
350 AC_DEFINE(HAVE_SQRTF)
352 AC_DEFINE(HAVE_TANHF)
354 AC_DEFINE(HAVE_ICONV)
355 AC_DEFINE(HAVE_MEMALIGN)
360 bfin* | lm32* | mips* | moxie* | or1k* | v850*)
366 AC_DEFINE(HAVE_ALIGNED_ALLOC)
367 AC_DEFINE(HAVE_AT_QUICK_EXIT)
369 AC_DEFINE(HAVE_QUICK_EXIT)
370 AC_DEFINE(HAVE_READLINK)
371 AC_DEFINE(HAVE_SETENV)
372 AC_DEFINE(HAVE_SLEEP)
373 AC_DEFINE(HAVE_SOCKATMARK)
374 AC_DEFINE(HAVE_STRERROR_L)
375 AC_DEFINE(HAVE_SYMLINK)
376 AC_DEFINE(HAVE_TRUNCATE)
377 AC_DEFINE(HAVE_USLEEP)
380 elif test "x$with_headers" != "xno"; then
384 # At some point, we should differentiate between architectures
385 # like x86, which have long double versions, and alpha/powerpc/etc.,
386 # which don't. For the time being, punt.
387 if test x"long_double_math_on_this_cpu" = x"yes"; then
388 AC_DEFINE(HAVE_ACOSL)
389 AC_DEFINE(HAVE_ASINL)
390 AC_DEFINE(HAVE_ATAN2L)
391 AC_DEFINE(HAVE_ATANL)
392 AC_DEFINE(HAVE_CEILL)
394 AC_DEFINE(HAVE_COSHL)
396 AC_DEFINE(HAVE_FABSL)
397 AC_DEFINE(HAVE_FLOORL)
398 AC_DEFINE(HAVE_FMODL)
399 AC_DEFINE(HAVE_FREXPL)
400 AC_DEFINE(HAVE_LDEXPL)
401 AC_DEFINE(HAVE_LOG10L)
403 AC_DEFINE(HAVE_MODFL)
405 AC_DEFINE(HAVE_SINCOSL)
407 AC_DEFINE(HAVE_SINHL)
408 AC_DEFINE(HAVE_SQRTL)
410 AC_DEFINE(HAVE_TANHL)
414 # Check for _Unwind_GetIPInfo.
415 GCC_CHECK_UNWIND_GETIPINFO
417 GCC_LINUX_FUTEX([AC_DEFINE(HAVE_LINUX_FUTEX, 1, [Define if futex syscall is available.])])
419 if test "$is_hosted" = yes; then
420 # TODO: remove this and change src/c++11/compatibility-atomic-c++0x.cc to
421 # use <stdint.h> instead of <gstdint.h>.
422 GCC_HEADER_STDINT(include/gstdint.h)
425 GLIBCXX_ENABLE_SYMVERS([yes])
426 AC_SUBST(libtool_VERSION)
428 GLIBCXX_ENABLE_LIBSTDCXX_VISIBILITY([yes])
430 GLIBCXX_ENABLE_LIBSTDCXX_DUAL_ABI([yes])
434 ac_ldbl_alt128_compat=no
435 ac_ldbl_ieee128_default=no
436 LONG_DOUBLE_COMPAT_FLAGS="-mlong-double-64"
437 LONG_DOUBLE_128_FLAGS=
438 LONG_DOUBLE_ALT128_COMPAT_FLAGS=
440 powerpc*-*-linux* | \
445 #if !defined __LONG_DOUBLE_128__ || (defined(__sparc__) && defined(__arch64__))
446 #error no need for long double compatibility
448 ], [ac_ldbl_compat=yes], [ac_ldbl_compat=no])
449 if test "$ac_ldbl_compat" = yes; then
450 AC_DEFINE([_GLIBCXX_LONG_DOUBLE_COMPAT],1,
451 [Define if compatibility should be provided for -mlong-double-64.])
452 port_specific_symbol_files="\$(top_srcdir)/config/os/gnu-linux/ldbl-extra.ver"
455 LONG_DOUBLE_COMPAT_FLAGS="$LONG_DOUBLE_COMPAT_FLAGS -mno-gnu-attribute"
456 # Check for IEEE128 support in libm:
457 AC_CHECK_LIB(m, __frexpieee128,
458 [ac_ldbl_ieee128_in_libc=yes],
459 [ac_ldbl_ieee128_in_libc=no])
460 if test $ac_ldbl_ieee128_in_libc = yes; then
461 # Determine which long double format is the compiler's default:
463 #ifndef __LONG_DOUBLE_IEEE128__
464 #error compiler defaults to ibm128
466 ], [ac_ldbl_ieee128_default=yes], [ac_ldbl_ieee128_default=no])
467 # Library objects should use default long double format.
468 if test "$ac_ldbl_ieee128_default" = yes; then
469 LONG_DOUBLE_128_FLAGS="-mno-gnu-attribute"
470 # Except for the ones that explicitly use these flags:
471 LONG_DOUBLE_ALT128_COMPAT_FLAGS="-mabi=ibmlongdouble -mno-gnu-attribute -Wno-psabi"
473 LONG_DOUBLE_128_FLAGS="-mno-gnu-attribute"
474 LONG_DOUBLE_ALT128_COMPAT_FLAGS="-mabi=ieeelongdouble -mno-gnu-attribute -Wno-psabi"
476 AC_DEFINE([_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT],1,
477 [Define if compatibility should be provided for alternative 128-bit long double formats.])
478 port_specific_symbol_files="$port_specific_symbol_files \$(top_srcdir)/config/os/gnu-linux/ldbl-ieee128-extra.ver"
479 ac_ldbl_alt128_compat=yes
481 ac_ldbl_alt128_compat=no
487 AC_SUBST(LONG_DOUBLE_COMPAT_FLAGS)
488 AC_SUBST(LONG_DOUBLE_128_FLAGS)
489 AC_SUBST(LONG_DOUBLE_ALT128_COMPAT_FLAGS)
490 GLIBCXX_CONDITIONAL(GLIBCXX_LDBL_COMPAT, test $ac_ldbl_compat = yes)
491 GLIBCXX_CONDITIONAL(GLIBCXX_LDBL_ALT128_COMPAT, test $ac_ldbl_alt128_compat = yes)
493 # Check if assembler supports disabling hardware capability support.
494 GCC_CHECK_ASSEMBLER_HWCAP
496 # Check if assembler supports rdrand opcode.
497 GLIBCXX_CHECK_X86_RDRAND
498 # Check if assembler supports rdseed opcode.
499 GLIBCXX_CHECK_X86_RDSEED
501 # Check for other random number APIs
502 GLIBCXX_CHECK_GETENTROPY
503 GLIBCXX_CHECK_ARC4RANDOM
505 # This depends on GLIBCXX_ENABLE_SYMVERS and GLIBCXX_IS_NATIVE.
506 GLIBCXX_CONFIGURE_TESTSUITE
508 # For gthread support. Depends on GLIBCXX_ENABLE_SYMVERS.
509 GLIBCXX_CHECK_GTHREADS
512 AC_CHECK_HEADERS([fcntl.h dirent.h sys/statvfs.h utime.h])
513 GLIBCXX_ENABLE_FILESYSTEM_TS
514 GLIBCXX_CHECK_FILESYSTEM_DEPS
516 GLIBCXX_ENABLE_BACKTRACE
519 AC_CHECK_HEADERS([fcntl.h sys/ioctl.h sys/socket.h sys/uio.h poll.h netdb.h arpa/inet.h netinet/in.h netinet/tcp.h])
520 AC_CHECK_DECL(F_GETFL,,,[#include <fcntl.h>])
521 AC_CHECK_DECL(F_SETFL,,,[#include <fcntl.h>])
522 if test "$ac_cv_have_decl_F_GETFL$ac_cv_have_decl_F_SETFL" = yesyes ; then
523 AC_CHECK_DECL(O_NONBLOCK,,,[#include <fcntl.h>])
526 # For Transactional Memory TS
527 GLIBCXX_CHECK_SIZE_T_MANGLING
529 # Check which release added std::exception_ptr for the target
530 GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER
532 # Define documentation rules conditionally.
534 # See if makeinfo has been installed and is modern enough
535 # that we can use it.
536 ACX_CHECK_PROG_VER([MAKEINFO], [makeinfo], [--version],
537 [GNU texinfo.* \([0-9][0-9.]*\)],
538 [4.[4-9]*|4.[1-9][0-9]*|[5-9]*|[1-9][0-9]*])
539 AM_CONDITIONAL(BUILD_INFO, test $gcc_cv_prog_makeinfo_modern = "yes")
542 AC_CHECK_PROG([DOXYGEN], doxygen, yes, no)
543 AC_CHECK_PROG([DOT], dot, yes, no)
546 AC_CHECK_PROG([XMLCATALOG], xmlcatalog, yes, no)
547 AC_CHECK_PROG([XSLTPROC], xsltproc, yes, no)
548 AC_CHECK_PROG([XMLLINT], xmllint, yes, no)
549 GLIBCXX_CONFIGURE_DOCBOOK
551 # Check for xml/html dependencies.
552 AM_CONDITIONAL(BUILD_XML,
553 test $ac_cv_prog_DOXYGEN = "yes" &&
554 test $ac_cv_prog_DOT = "yes" &&
555 test $ac_cv_prog_XSLTPROC = "yes" &&
556 test $ac_cv_prog_XMLLINT = "yes" &&
557 test $glibcxx_stylesheets = "yes")
559 AM_CONDITIONAL(BUILD_HTML,
560 test $ac_cv_prog_DOXYGEN = "yes" &&
561 test $ac_cv_prog_DOT = "yes" &&
562 test $ac_cv_prog_XSLTPROC = "yes" &&
563 test $ac_cv_prog_XMLLINT = "yes" &&
564 test $glibcxx_stylesheets = "yes")
566 # Check for man dependencies.
567 AM_CONDITIONAL(BUILD_MAN,
568 test $ac_cv_prog_DOXYGEN = "yes" &&
569 test $ac_cv_prog_DOT = "yes")
571 # Check for pdf dependencies.
572 AC_CHECK_PROG([DBLATEX], dblatex, yes, no)
573 AC_CHECK_PROG([PDFLATEX], pdflatex, yes, no)
574 AM_CONDITIONAL(BUILD_PDF,
575 test $ac_cv_prog_DOXYGEN = "yes" &&
576 test $ac_cv_prog_DOT = "yes" &&
577 test $ac_cv_prog_XSLTPROC = "yes" &&
578 test $ac_cv_prog_XMLLINT = "yes" &&
579 test $ac_cv_prog_DBLATEX = "yes" &&
580 test $ac_cv_prog_PDFLATEX = "yes")
583 *-*-darwin* ) glibcxx_include_dir_notparallel=yes ;;
584 * ) glibcxx_include_dir_notparallel=no ;;
586 AM_CONDITIONAL(INCLUDE_DIR_NOTPARALLEL,
587 test $glibcxx_include_dir_notparallel = "yes")
589 # Propagate the target-specific source directories through the build chain.
590 ATOMICITY_SRCDIR=config/${atomicity_dir}
591 ATOMIC_WORD_SRCDIR=config/${atomic_word_dir}
592 ATOMIC_FLAGS=${atomic_flags}
593 CPU_DEFINES_SRCDIR=config/${cpu_defines_dir}
594 OS_INC_SRCDIR=config/${os_include_dir}
595 ERROR_CONSTANTS_SRCDIR=config/${error_constants_dir}
596 ABI_TWEAKS_SRCDIR=config/${abi_tweaks_dir}
597 CPU_OPT_EXT_RANDOM=config/${cpu_opt_ext_random}
598 CPU_OPT_BITS_RANDOM=config/${cpu_opt_bits_random}
599 AC_SUBST(ATOMICITY_SRCDIR)
600 AC_SUBST(ATOMIC_WORD_SRCDIR)
601 AC_SUBST(ATOMIC_FLAGS)
602 AC_SUBST(CPU_DEFINES_SRCDIR)
603 AC_SUBST(ABI_TWEAKS_SRCDIR)
604 AC_SUBST(OS_INC_SRCDIR)
605 AC_SUBST(ERROR_CONSTANTS_SRCDIR)
606 AC_SUBST(CPU_OPT_EXT_RANDOM)
607 AC_SUBST(CPU_OPT_BITS_RANDOM)
609 # Conditionalize the makefile for this target machine.
611 for f in ${tmake_file}
613 if test -f ${srcdir}/config/$f
615 tmake_file_="${tmake_file_} \$(srcdir)/config/$f"
618 tmake_file="${tmake_file_}"
621 # Add CET specific flags if Intel CET is enabled.
622 GCC_CET_FLAGS(CET_FLAGS)
623 EXTRA_CXX_FLAGS="$EXTRA_CXX_FLAGS $CET_FLAGS"
624 EXTRA_CFLAGS="$EXTRA_CFLAGS $CET_FLAGS"
625 AC_SUBST(EXTRA_CFLAGS)
626 AC_SUBST(EXTRA_CXX_FLAGS)
628 # Determine cross-compile flags and AM_CONDITIONALs.
629 #AC_SUBST(GLIBCXX_IS_NATIVE)
630 #AM_CONDITIONAL(CANADIAN, test $CANADIAN = yes)
631 GLIBCXX_EVALUATE_CONDITIONALS
635 if test ${multilib} = yes; then
636 multilib_arg="--enable-multilib"
641 # Export all the install information.
642 GLIBCXX_EXPORT_INSTALL_INFO
644 # Export all the include and flag information to Makefiles.
645 GLIBCXX_EXPORT_INCLUDES
648 # Determine what GCC version number to use in filesystem paths.
651 dnl In autoconf 2.5x, AC_OUTPUT is replaced by four AC_CONFIG_* macros,
652 dnl which can all be called multiple times as needed, plus one (different)
653 dnl AC_OUTPUT macro. This one lists the files to be created:
654 AC_CONFIG_FILES(Makefile)
655 AC_CONFIG_FILES([scripts/testsuite_flags],[chmod +x scripts/testsuite_flags])
656 AC_CONFIG_FILES([scripts/extract_symvers],[chmod +x scripts/extract_symvers])
657 AC_CONFIG_FILES([doc/xsl/customization.xsl])
658 AC_CONFIG_FILES([src/libbacktrace/backtrace-supported.h])
660 # Multilibs need MULTISUBDIR defined correctly in certain makefiles so
661 # that multilib installs will end up installed in the correct place.
662 # The testsuite needs it for multilib-aware ABI baseline files.
663 # To work around this not being passed down from config-ml.in ->
664 # srcdir/Makefile.am -> srcdir/{src,libsupc++,...}/Makefile.am, manually
665 # append it here. Only modify Makefiles that have just been created.
667 # Also, get rid of this simulated-VPATH thing that automake does.
668 AC_CONFIG_FILES(AC_FOREACH([DIR], glibcxx_SUBDIRS, [DIR/Makefile ]),
669 [cat > vpsed$$ << \_EOF
670 s!`test -f '$<' || echo '$(srcdir)/'`!!
672 sed -f vpsed$$ $ac_file > tmp$$
675 echo 'MULTISUBDIR =' >> $ac_file
677 . ${multi_basedir}/config-ml.in
678 AS_UNSET([ml_norecursion])
681 AC_CONFIG_COMMANDS([generate-headers],
682 [(cd include && ${MAKE-make} pch_build= )])
684 dnl And this actually makes things happen: