1
dnl Process this file with autoconf to produce a configure script
6
# This works around the fact that libtool configuration may change LD
7
# for this particular configuration, but some shells, instead of
8
# keeping the changes in LD private, export them just because LD is
9
# exported. We don't use libtool yet, but some day we might, so...
10
ORIGINAL_LD_FOR_MULTILIBS=$LD
12
dnl We use these options to decide which functions to include.
13
AC_ARG_WITH(target-subdir,
14
[ --with-target-subdir=SUBDIR Configuring in a subdirectory for target])
15
AC_ARG_WITH(build-subdir,
16
[ --with-build-subdir=SUBDIR Configuring in a subdirectory for build])
17
AC_ARG_WITH(cross-host,
18
[ --with-cross-host=HOST Configuring with a cross compiler])
20
[ --with-newlib Configuring with newlib])
22
if test "${srcdir}" = "."; then
23
if test -n "${with_build_subdir}"; then
24
libiberty_topdir="${srcdir}/../.."
26
elif test -z "${with_target_subdir}"; then
27
libiberty_topdir="${srcdir}/.."
29
if test "${with_target_subdir}" != "."; then
30
libiberty_topdir="${srcdir}/${with_multisrctop}../.."
32
libiberty_topdir="${srcdir}/${with_multisrctop}.."
36
libiberty_topdir="${srcdir}/.."
38
AC_CONFIG_AUX_DIR($libiberty_topdir)
40
dnl Very limited version of automake's enable-maintainer-mode
42
AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
43
dnl maintainer-mode is disabled by default
44
AC_ARG_ENABLE(maintainer-mode,
45
[ --enable-maintainer-mode
46
enable make rules and dependencies not useful
47
(and sometimes confusing) to the casual installer],
48
maintainer_mode=$enableval,
51
AC_MSG_RESULT($maintainer_mode)
53
if test "$maintainer_mode" = "yes"; then
63
# Do we have a single-tree copy of texinfo? Even if we do, we can't
64
# rely on it - libiberty is built before texinfo.
65
AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, )
66
if test "x$MAKEINFO" = "x"; then
67
MAKEINFO="@echo makeinfo missing; true"
71
case x"`$MAKEINFO --version | grep 'GNU texinfo'`" in
73
MAKEINFO="@echo $MAKEINFO is too old, 4.0 or newer required; true"
76
*** Makeinfo is too old. Info documentation will not be built.])
83
AC_CHECK_PROG(PERL, perl, perl, )
84
if test x"$PERL" = x""; then
93
dnl When we start using automake:
94
dnl AM_INIT_AUTOMAKE(libiberty, 1.0)
96
dnl These must be called before AM_PROG_LIBTOOL, because it may want
97
dnl to call AC_CHECK_PROG.
99
AC_CHECK_TOOL(RANLIB, ranlib, :)
104
# autoconf is lame and doesn't give us any substitution variable for this.
105
if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
106
NO_MINUS_C_MINUS_O=yes
108
OUTPUT_OPTION='-o $@'
110
AC_SUBST(NO_MINUS_C_MINUS_O)
111
AC_SUBST(OUTPUT_OPTION)
117
dnl When we start using libtool:
118
dnl Default to a non shared library. This may be overridden by the
119
dnl configure option --enable-shared.
120
dnl AM_DISABLE_SHARED
122
dnl When we start using libtool:
125
dnl When we start using automake:
126
dnl AM_CONFIG_HEADER(config.h:config.in)
127
AC_CONFIG_HEADER(config.h:config.in)
129
dnl When we start using automake:
130
dnl AM_MAINTAINER_MODE
133
dnl When we start using automake:
137
. ${srcdir}/config.table
138
host_makefile_frag=${frag}
139
AC_SUBST_FILE(host_makefile_frag)
141
# It's OK to check for header files. Although the compiler may not be
142
# able to link anything, it had better be able to at least compile
144
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 alloca.h dlfcn.h)
148
libiberty_AC_DECLARE_ERRNO
150
AC_CHECK_TYPE(uintptr_t, unsigned long)
152
if test $ac_cv_type_uintptr_t = yes
154
AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if you have the \`uintptr_t' type.])
157
LIBIBERTY_HAVE_WEAK_SYMBOL
158
if test $libiberty_cv_have_weak_symbol = yes; then
159
# demangler may use dlopen.
160
AC_SEARCH_LIBS(dlopen, dl,
161
libiberty_cv_have_dlopen=yes,
162
libiberty_cv_have_dlopen=no)
163
if test $libiberty_cv_have_dlopen = yes; then
164
AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen exists.])
170
# This is the list of functions which libiberty will provide if they
171
# are not available on the host.
174
funcs="$funcs atexit"
175
funcs="$funcs basename"
178
funcs="$funcs bsearch"
180
funcs="$funcs calloc"
183
funcs="$funcs getcwd"
184
funcs="$funcs getpagesize"
186
funcs="$funcs insque"
187
funcs="$funcs memchr"
188
funcs="$funcs memcmp"
189
funcs="$funcs memcpy"
190
funcs="$funcs memmove"
191
funcs="$funcs memset"
192
funcs="$funcs mkstemps"
193
funcs="$funcs putenv"
194
funcs="$funcs random"
195
funcs="$funcs rename"
196
funcs="$funcs rindex"
197
funcs="$funcs setenv"
198
funcs="$funcs sigsetmask"
199
funcs="$funcs strcasecmp"
200
funcs="$funcs strchr"
201
funcs="$funcs strdup"
202
funcs="$funcs strncasecmp"
203
funcs="$funcs strrchr"
204
funcs="$funcs strstr"
205
funcs="$funcs strtod"
206
funcs="$funcs strtol"
207
funcs="$funcs strtoul"
208
funcs="$funcs tmpnam"
209
funcs="$funcs vasprintf"
210
funcs="$funcs vfprintf"
211
funcs="$funcs vprintf"
212
funcs="$funcs vsprintf"
213
funcs="$funcs waitpid"
215
# Also in the old function.def file: alloca, vfork, getopt.
217
vars="sys_errlist sys_nerr sys_siglist"
219
checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday"
221
# These are neither executed nor required, but they help keep
222
# autoheader happy without adding a bunch of text to acconfig.h.
223
if test "x" = "y"; then
224
AC_CHECK_FUNCS(asprintf atexit basename bcmp bcopy bsearch bzero calloc clock)
225
AC_CHECK_FUNCS(getcwd getpagesize index insque mkstemps memchr memcmp memcpy)
226
AC_CHECK_FUNCS(memmove memset putenv random rename rindex sigsetmask)
227
AC_CHECK_FUNCS(strcasecmp setenv strchr strdup strncasecmp strrchr strstr)
228
AC_CHECK_FUNCS(strtod strtol strtoul tmpnam vasprintf vfprintf vprintf)
229
AC_CHECK_FUNCS(vsprintf waitpid getrusage on_exit psignal strerror strsignal)
230
AC_CHECK_FUNCS(sysconf times sbrk gettimeofday ffs)
231
AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
232
AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.])
233
AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.])
236
# For each of these functions, if the host does not provide the
237
# function we want to put FN.o in LIBOBJS, and if the host does
238
# provide the function, we want to define HAVE_FN in config.h.
243
if test -n "${with_target_subdir}"; then
245
# We are being configured as a target library. AC_REPLACE_FUNCS
246
# may not work correctly, because the compiler may not be able to
247
# link executables. Note that we may still be being configured
250
# If we are being configured for newlib, we know which functions
251
# newlib provide and which ones we will be expected to provide.
253
if test "x${with_newlib}" = "xyes"; then
254
LIBOBJS="asprintf.o basename.o insque.o random.o strdup.o vasprintf.o"
258
asprintf | basename | insque | random | strdup | vasprintf)
261
n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
262
AC_DEFINE_UNQUOTED($n)
267
# newlib doesnt provide any of the variables in $vars, so we
268
# dont have to check them here.
270
# Of the functions in $checkfuncs, newlib only has strerror.
271
AC_DEFINE_NOAUTOHEADER(HAVE_STRERROR)
277
# We may wish to install the target headers somewhere.
278
AC_ARG_ENABLE(install-libiberty,
279
[ --enable-install-libiberty Install headers for end users],
280
enable_install_libiberty=$enableval,
281
enable_install_libiberty=no)dnl
283
# Option parsed, now set things appropriately.
284
case x"$enable_install_libiberty" in
286
target_header_dir=libiberty
292
# This could be sanity-checked in various ways...
293
target_header_dir="${enable_install_libiberty}"
300
# Not a target library, so we set things up to run the test suite.
301
CHECK=check-cplus-dem
306
AC_SUBST(target_header_dir)
309
*-*-cygwin* | *-*-mingw*)
310
AC_DEFINE_NOAUTOHEADER(HAVE_SYS_ERRLIST)
311
AC_DEFINE_NOAUTOHEADER(HAVE_SYS_NERR)
315
if test -z "${setobjs}"; then
319
# Handle VxWorks configuration specially, since on VxWorks the
320
# libraries are actually on the target board, not in the file
322
LIBOBJS="basename.o getpagesize.o insque.o random.o strcasecmp.o"
323
LIBOBJS="$LIBOBJS strncasecmp.o strdup.o vfork.o waitpid.o vasprintf.o"
326
basename | getpagesize | insque | random | strcasecmp)
328
strncasecmp | strdup | vfork | waitpid | vasprintf)
331
n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
332
AC_DEFINE_UNQUOTED($n)
337
# VxWorks doesn't provide any of the variables in $vars, so we
338
# don't have to check them here.
340
# Of the functions in $checkfuncs, VxWorks only has strerror.
341
AC_DEFINE_NOAUTOHEADER(HAVE_STRERROR)
349
if test -z "${setobjs}"; then
354
# The Cygwin library actually uses a couple of files from
355
# libiberty when it is built. If we are building a native
356
# Cygwin, and we run the tests, we will appear to have these
357
# files. However, when we go on to build winsup, we will wind up
358
# with a library which does not have the files, since they should
359
# have come from libiberty.
361
# We handle this by removing the functions the winsup library
362
# provides from our shell variables, so that they appear to be
365
# DJ - only if we're *building* cygwin, not just building *with* cygwin
367
if test -n "${with_target_subdir}"
369
funcs="`echo $funcs | sed -e 's/random//'`"
370
LIBOBJS="$LIBOBJS random.o"
371
vars="`echo $vars | sed -e 's/sys_siglist//'`"
372
checkfuncs="`echo $checkfuncs | sed -e 's/strsignal//' -e 's/psignal//'`"
377
# Under mingw32, sys_nerr and sys_errlist exist, but they are
378
# macros, so the test below won't find them.
379
libiberty_cv_var_sys_nerr=yes
380
libiberty_cv_var_sys_errlist=yes
384
# Under some versions of uwin, vfork is notoriously buggy and the test
385
# can hang configure; on other versions, vfork exists just as a stub.
386
# FIXME: This should be removed once vfork in uwin's runtime is fixed.
387
ac_cv_func_vfork_works=no
388
# Under uwin 2.0+, sys_nerr and sys_errlist exist, but they are
389
# macros (actually, these are imported from a DLL, but the end effect
390
# is the same), so the test below won't find them.
391
libiberty_cv_var_sys_nerr=yes
392
libiberty_cv_var_sys_errlist=yes
396
# Under VMS, vfork works very different than on Unix. The standard test
397
# won't work, and it isn't easily adaptable. It makes more sense to
399
ac_cv_func_vfork_works=yes
404
# We haven't set the list of objects yet. Use the standard autoconf
405
# tests. This will only work if the compiler works.
407
AC_REPLACE_FUNCS($funcs)
408
libiberty_AC_FUNC_C_ALLOCA
410
if test $ac_cv_func_vfork_works = no; then
411
LIBOBJS="$LIBOBJS vfork.o"
413
# We only need _doprnt if we might use it to implement v*printf.
414
if test $ac_cv_func_vprintf != yes \
415
|| test $ac_cv_func_vfprintf != yes \
416
|| test $ac_cv_func_vsprintf != yes; then
417
AC_REPLACE_FUNCS(_doprnt)
419
AC_CHECK_FUNCS(_doprnt)
423
AC_MSG_CHECKING([for $v])
424
AC_CACHE_VAL(libiberty_cv_var_$v,
425
[AC_TRY_LINK([int *p;], [extern int $v []; p = $v;],
426
[eval "libiberty_cv_var_$v=yes"],
427
[eval "libiberty_cv_var_$v=no"])])
428
if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then
430
n=HAVE_`echo $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
431
AC_DEFINE_UNQUOTED($n)
436
AC_CHECK_FUNCS($checkfuncs)
439
libiberty_AC_FUNC_STRNCMP
441
# Install a library built with a cross compiler in $(tooldir) rather
443
if test -z "${with_cross_host}"; then
448
AC_SUBST(INSTALL_DEST)
450
# We need multilib support, but only if configuring for the target.
451
AC_OUTPUT(Makefile testsuite/Makefile,
452
[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
453
if test -n "$CONFIG_FILES"; then
454
if test -n "${with_build_subdir}" || test -n "${with_target_subdir}"; then
455
# FIXME: We shouldn't need to set ac_file
457
LD="${ORIGINAL_LD_FOR_MULTILIBS}"
458
. ${libiberty_topdir}/config-ml.in
464
with_target_subdir=${with_target_subdir}
465
with_build_subdir=${with_build_subdir}
466
with_multisubdir=${with_multisubdir}
467
ac_configure_args="--enable-multilib ${ac_configure_args}"
468
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
469
libiberty_topdir=${libiberty_topdir}
added
removed
binutils/libiberty/configure.in
