1 dnl Process this file with autoconf to produce a configure script
6 dnl We use these options to decide which functions to include.
7 AC_ARG_WITH(target-subdir,
8 [ --with-target-subdir=SUBDIR Configuring in a subdirectory])
9 AC_ARG_WITH(cross-host,
10 [ --with-cross-host=HOST Configuring with a cross compiler])
12 [ --with-newlib Configuring with newlib])
14 if test "${srcdir}" = "."; then
15 if test -z "${with_target_subdir}"; then
16 libiberty_topdir="${srcdir}/.."
18 if test "${with_target_subdir}" != "."; then
19 libiberty_topdir="${srcdir}/${with_multisrctop}../.."
21 libiberty_topdir="${srcdir}/${with_multisrctop}.."
25 libiberty_topdir="${srcdir}/.."
27 AC_CONFIG_AUX_DIR($libiberty_topdir)
31 dnl When we start using automake:
32 dnl AM_INIT_AUTOMAKE(libiberty, 1.0)
34 dnl These must be called before AM_PROG_LIBTOOL, because it may want
35 dnl to call AC_CHECK_PROG.
37 AC_CHECK_TOOL(RANLIB, ranlib, :)
45 dnl When we start using libtool:
46 dnl Default to a non shared library. This may be overridden by the
47 dnl configure option --enable-shared.
50 dnl When we start using libtool:
53 dnl When we start using automake:
54 dnl AM_CONFIG_HEADER(config.h:config.in)
55 AC_CONFIG_HEADER(config.h:config.in)
57 dnl When we start using automake:
58 dnl AM_MAINTAINER_MODE
61 dnl When we start using automake:
65 . ${srcdir}/config.table
66 host_makefile_frag=${frag}
67 AC_SUBST_FILE(host_makefile_frag)
69 # It's OK to check for header files. Although the compiler may not be
70 # able to link anything, it had better be able to at least compile
72 AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h)
76 libiberty_AC_DECLARE_ERRNO
78 # This is the list of functions which libiberty will provide if they
79 # are not available on the host.
83 funcs="$funcs basename"
86 funcs="$funcs bsearch"
91 funcs="$funcs getpagesize"
97 funcs="$funcs memmove"
99 funcs="$funcs mkstemps"
100 funcs="$funcs putenv"
101 funcs="$funcs random"
102 funcs="$funcs rename"
103 funcs="$funcs rindex"
104 funcs="$funcs setenv"
105 funcs="$funcs sigsetmask"
106 funcs="$funcs strcasecmp"
107 funcs="$funcs strchr"
108 funcs="$funcs strdup"
109 funcs="$funcs strncasecmp"
110 funcs="$funcs strrchr"
111 funcs="$funcs strstr"
112 funcs="$funcs strtod"
113 funcs="$funcs strtol"
114 funcs="$funcs strtoul"
115 funcs="$funcs tmpnam"
116 funcs="$funcs vasprintf"
117 funcs="$funcs vfprintf"
118 funcs="$funcs vprintf"
119 funcs="$funcs vsprintf"
120 funcs="$funcs waitpid"
122 # Also in the old function.def file: alloca, vfork, getopt.
124 vars="sys_errlist sys_nerr sys_siglist"
126 checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday"
128 # These are neither executed nor required, but they help keep
129 # autoheader happy without adding a bunch of text to acconfig.h.
130 if test "x" = "y"; then
131 AC_CHECK_FUNCS(asprintf atexit basename bcmp bcopy bsearch bzero calloc clock)
132 AC_CHECK_FUNCS(getcwd getpagesize index insque mkstemps memchr memcmp memcpy)
133 AC_CHECK_FUNCS(memmove memset putenv random rename rindex sigsetmask)
134 AC_CHECK_FUNCS(strcasecmp setenv strchr strdup strncasecmp strrchr strstr)
135 AC_CHECK_FUNCS(strtod strtol strtoul tmpnam vasprintf vfprintf vprintf)
136 AC_CHECK_FUNCS(vsprintf waitpid getrusage on_exit psignal strerror strsignal)
137 AC_CHECK_FUNCS(sysconf times sbrk gettimeofday)
138 AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
139 AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.])
140 AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.])
143 # For each of these functions, if the host does not provide the
144 # function we want to put FN.o in LIBOBJS, and if the host does
145 # provide the function, we want to define HAVE_FN in config.h.
149 if test -n "${with_target_subdir}"; then
151 # We are being configured as a target library. AC_REPLACE_FUNCS
152 # may not work correctly, because the compiler may not be able to
153 # link executables. Note that we may still be being configured
156 # If we are being configured for newlib, we know which functions
157 # newlib provide and which ones we will be expected to provide.
159 if test "x${with_newlib}" = "xyes"; then
160 LIBOBJS="asprintf.o basename.o insque.o random.o strdup.o vasprintf.o"
164 asprintf | basename | insque | random | strdup | vasprintf)
167 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
168 AC_DEFINE_UNQUOTED($n)
173 # newlib doesnt provide any of the variables in $vars, so we
174 # dont have to check them here.
176 # Of the functions in $checkfuncs, newlib only has strerror.
177 AC_DEFINE_NOAUTOHEADER(HAVE_STRERROR)
185 # Not a target library, so we set things up to run the test suite.
186 CHECK=check-cplus-dem
192 if test -z "${setobjs}"; then
196 # Handle VxWorks configuration specially, since on VxWorks the
197 # libraries are actually on the target board, not in the file
199 LIBOBJS="basename.o getpagesize.o insque.o random.o strcasecmp.o"
200 LIBOBJS="$LIBOBJS strncasecmp.o strdup.o vfork.o waitpid.o vasprintf.o"
203 basename | getpagesize | insque | random | strcasecmp)
205 strncasecmp | strdup | vfork | waitpid | vasprintf)
208 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
209 AC_DEFINE_UNQUOTED($n)
214 # VxWorks doesn't provide any of the variables in $vars, so we
215 # don't have to check them here.
217 # Of the functions in $checkfuncs, VxWorks only has strerror.
218 AC_DEFINE_NOAUTOHEADER(HAVE_STRERROR)
226 if test -z "${setobjs}"; then
231 # The Cygwin library actually uses a couple of files from
232 # libiberty when it is built. If we are building a native
233 # Cygwin, and we run the tests, we will appear to have these
234 # files. However, when we go on to build winsup, we will wind up
235 # with a library which does not have the files, since they should
236 # have come from libiberty.
238 # We handle this by removing the functions the winsup library
239 # provides from our shell variables, so that they appear to be
242 # DJ - only if we're *building* cygwin, not just building *with* cygwin
244 if test -n "${with_target_subdir}"
246 funcs="`echo $funcs | sed -e 's/random//'`"
247 LIBOBJS="$LIBOBJS random.o"
248 vars="`echo $vars | sed -e 's/sys_siglist//'`"
249 checkfuncs="`echo $checkfuncs | sed -e 's/strsignal//' -e 's/psignal//'`"
254 # Under mingw32, sys_nerr and sys_errlist exist, but they are
255 # macros, so the test below won't find them.
256 libiberty_cv_var_sys_nerr=yes
257 libiberty_cv_var_sys_errlist=yes
261 # Under some versions of uwin, vfork is notoriously buggy and the test
262 # can hang configure; on other versions, vfork exists just as a stub.
263 # FIXME: This should be removed once vfork in uwin's runtime is fixed.
264 ac_cv_func_vfork_works=no
265 # Under uwin 2.0+, sys_nerr and sys_errlist exist, but they are
266 # macros (actually, these are imported from a DLL, but the end effect
267 # is the same), so the test below won't find them.
268 libiberty_cv_var_sys_nerr=yes
269 libiberty_cv_var_sys_errlist=yes
274 # We haven't set the list of objects yet. Use the standard autoconf
275 # tests. This will only work if the compiler works.
277 AC_REPLACE_FUNCS($funcs)
278 libiberty_AC_FUNC_C_ALLOCA
280 if test $ac_cv_func_vfork_works = no; then
281 LIBOBJS="$LIBOBJS vfork.o"
284 AC_MSG_CHECKING([for $v])
285 AC_CACHE_VAL(libiberty_cv_var_$v,
286 [AC_TRY_LINK([int *p;], [extern int $v; p = &$v;],
287 [eval "libiberty_cv_var_$v=yes"],
288 [eval "libiberty_cv_var_$v=no"])])
289 if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then
291 n=HAVE_`echo $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
292 AC_DEFINE_UNQUOTED($n)
297 AC_CHECK_FUNCS($checkfuncs)
300 libiberty_AC_FUNC_STRNCMP
302 # Install a library built with a cross compiler in $(tooldir) rather
304 if test -z "${with_cross_host}"; then
309 AC_SUBST(INSTALL_DEST)
311 # We need multilib support, but only if configuring for the target.
312 AC_OUTPUT(Makefile testsuite/Makefile,
313 [test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
314 if test -n "$CONFIG_FILES"; then
315 if test -n "${with_target_subdir}"; then
316 # FIXME: We shouldn't need to set ac_file
318 . ${libiberty_topdir}/config-ml.in
324 with_target_subdir=${with_target_subdir}
325 with_multisubdir=${with_multisubdir}
326 ac_configure_args="--enable-multilib ${ac_configure_args}"
327 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
328 libiberty_topdir=${libiberty_topdir}