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-rw-r--r--libiberty/configure.ac530
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diff --git a/libiberty/configure.ac b/libiberty/configure.ac
new file mode 100644
index 00000000000..e8907e708c8
--- /dev/null
+++ b/libiberty/configure.ac
@@ -0,0 +1,530 @@
+dnl Process this file with autoconf to produce a configure script
+
+AC_PREREQ(2.57)
+AC_INIT(xmalloc.c)
+
+# This works around the fact that libtool configuration may change LD
+# for this particular configuration, but some shells, instead of
+# keeping the changes in LD private, export them just because LD is
+# exported. We don't use libtool yet, but some day we might, so...
+ORIGINAL_LD_FOR_MULTILIBS=$LD
+
+dnl We use these options to decide which functions to include.
+AC_ARG_WITH(target-subdir,
+[ --with-target-subdir=SUBDIR Configuring in a subdirectory for target])
+AC_ARG_WITH(build-subdir,
+[ --with-build-subdir=SUBDIR Configuring in a subdirectory for build])
+AC_ARG_WITH(cross-host,
+[ --with-cross-host=HOST Configuring with a cross compiler])
+AC_ARG_WITH(newlib,
+[ --with-newlib Configuring with newlib])
+
+if test "${srcdir}" = "."; then
+ if test -n "${with_build_subdir}"; then
+ libiberty_topdir="${srcdir}/../.."
+ with_target_subdir=
+ elif test -z "${with_target_subdir}"; then
+ libiberty_topdir="${srcdir}/.."
+ else
+ if test "${with_target_subdir}" != "."; then
+ libiberty_topdir="${srcdir}/${with_multisrctop}../.."
+ else
+ libiberty_topdir="${srcdir}/${with_multisrctop}.."
+ fi
+ fi
+else
+ libiberty_topdir="${srcdir}/.."
+fi
+AC_SUBST(libiberty_topdir)
+AC_CONFIG_AUX_DIR($libiberty_topdir)
+
+dnl Very limited version of automake's enable-maintainer-mode
+
+AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+ dnl maintainer-mode is disabled by default
+ AC_ARG_ENABLE(maintainer-mode,
+[ --enable-maintainer-mode
+ enable make rules and dependencies not useful
+ (and sometimes confusing) to the casual installer],
+ maintainer_mode=$enableval,
+ maintainer_mode=no)
+
+AC_MSG_RESULT($maintainer_mode)
+
+if test "$maintainer_mode" = "yes"; then
+ MAINT=''
+ NOTMAINT='#'
+else
+ MAINT='#'
+ NOTMAINT=''
+fi
+AC_SUBST(MAINT)dnl
+AC_SUBST(NOTMAINT)dnl
+
+# Do we have a single-tree copy of texinfo? Even if we do, we can't
+# rely on it - libiberty is built before texinfo.
+AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, )
+if test "x$MAKEINFO" = "x"; then
+ MAKEINFO="@echo makeinfo missing; true"
+ BUILD_INFO=
+else
+ BUILD_INFO=info
+ case "$MAKEINFO" in
+ */missing\ makeinfo*)
+ BUILD_INFO=
+ AC_MSG_WARN([
+*** Makeinfo is missing. Info documentation will not be built.])
+ ;;
+ *)
+ case x"`$MAKEINFO --version | grep 'GNU texinfo'`" in
+ x*\ [[1-3]].* )
+ MAKEINFO="@echo $MAKEINFO is too old, 4.0 or newer required; true"
+ BUILD_INFO=
+ AC_MSG_WARN([
+*** Makeinfo is too old. Info documentation will not be built.])
+ ;;
+ esac
+ ;;
+ esac
+fi
+AC_SUBST(MAKEINFO)
+AC_SUBST(BUILD_INFO)
+
+AC_CHECK_PROG(PERL, perl, perl, )
+if test x"$PERL" = x""; then
+ HAVE_PERL='#'
+else
+ HAVE_PERL=''
+fi
+AC_SUBST(HAVE_PERL)
+
+AC_CANONICAL_HOST
+
+dnl When we start using automake:
+dnl AM_INIT_AUTOMAKE(libiberty, 1.0)
+
+dnl These must be called before AM_PROG_LIBTOOL, because it may want
+dnl to call AC_CHECK_PROG.
+AC_CHECK_TOOL(AR, ar)
+AC_CHECK_TOOL(RANLIB, ranlib, :)
+
+GCC_NO_EXECUTABLES
+AC_PROG_CC
+AC_PROG_CPP_WERROR
+
+if test x$GCC = xyes; then
+ ac_libiberty_warn_cflags='-W -Wall -Wtraditional -pedantic'
+fi
+AC_SUBST(ac_libiberty_warn_cflags)
+
+AC_PROG_CC_C_O
+# autoconf is lame and doesn't give us any substitution variable for this.
+if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
+ NO_MINUS_C_MINUS_O=yes
+else
+ OUTPUT_OPTION='-o $@'
+fi
+AC_SUBST(NO_MINUS_C_MINUS_O)
+AC_SUBST(OUTPUT_OPTION)
+
+AC_C_CONST
+AC_C_INLINE
+AC_C_BIGENDIAN_CROSS
+
+dnl When we start using libtool:
+dnl Default to a non shared library. This may be overridden by the
+dnl configure option --enable-shared.
+dnl AM_DISABLE_SHARED
+
+dnl When we start using libtool:
+dnl AM_PROG_LIBTOOL
+
+dnl When we start using automake:
+dnl AM_CONFIG_HEADER(config.h:config.in)
+AC_CONFIG_HEADER(config.h:config.in)
+
+dnl When we start using automake:
+dnl AM_MAINTAINER_MODE
+dnl AC_EXEEXT
+
+dnl When we start using automake:
+dnl AM_PROG_INSTALL
+AC_PROG_INSTALL
+
+. ${srcdir}/config.table
+host_makefile_frag=${frag}
+AC_SUBST_FILE(host_makefile_frag)
+
+# It's OK to check for header files. Although the compiler may not be
+# able to link anything, it had better be able to at least compile
+# something.
+AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h malloc.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 sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h sys/sysctl.h sys/systemcfg.h)
+AC_HEADER_SYS_WAIT
+AC_HEADER_TIME
+
+libiberty_AC_DECLARE_ERRNO
+
+AC_CHECK_TYPE(uintptr_t, unsigned long)
+# Given the above check, we always have uintptr_t or a fallback
+# definition. So define HAVE_UINTPTR_T in case any imported code
+# relies on it.
+AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if you have the \`uintptr_t' type.])
+
+AC_TYPE_PID_T
+
+# This is the list of functions which libiberty will provide if they
+# are not available on the host.
+
+funcs="asprintf"
+funcs="$funcs atexit"
+funcs="$funcs basename"
+funcs="$funcs bcmp"
+funcs="$funcs bcopy"
+funcs="$funcs bsearch"
+funcs="$funcs bzero"
+funcs="$funcs calloc"
+funcs="$funcs clock"
+funcs="$funcs ffs"
+funcs="$funcs getcwd"
+funcs="$funcs getpagesize"
+funcs="$funcs index"
+funcs="$funcs insque"
+funcs="$funcs memchr"
+funcs="$funcs memcmp"
+funcs="$funcs memcpy"
+funcs="$funcs memmove"
+funcs="$funcs mempcpy"
+funcs="$funcs memset"
+funcs="$funcs mkstemps"
+funcs="$funcs putenv"
+funcs="$funcs random"
+funcs="$funcs rename"
+funcs="$funcs rindex"
+funcs="$funcs setenv"
+funcs="$funcs snprintf"
+funcs="$funcs sigsetmask"
+funcs="$funcs stpcpy"
+funcs="$funcs stpncpy"
+funcs="$funcs strcasecmp"
+funcs="$funcs strchr"
+funcs="$funcs strdup"
+funcs="$funcs strncasecmp"
+funcs="$funcs strrchr"
+funcs="$funcs strstr"
+funcs="$funcs strtod"
+funcs="$funcs strtol"
+funcs="$funcs strtoul"
+funcs="$funcs tmpnam"
+funcs="$funcs vasprintf"
+funcs="$funcs vfprintf"
+funcs="$funcs vprintf"
+funcs="$funcs vsnprintf"
+funcs="$funcs vsprintf"
+funcs="$funcs waitpid"
+
+# Also in the old function.def file: alloca, vfork, getopt.
+
+vars="sys_errlist sys_nerr sys_siglist"
+
+checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday"
+checkfuncs="$checkfuncs realpath canonicalize_file_name pstat_getstatic pstat_getdynamic sysmp"
+checkfuncs="$checkfuncs getsysinfo table sysctl"
+
+# These are neither executed nor required, but they help keep
+# autoheader happy without adding a bunch of text to acconfig.h.
+if test "x" = "y"; then
+ AC_CHECK_FUNCS(asprintf atexit basename bcmp bcopy bsearch bzero calloc clock \
+ getcwd getpagesize index insque mkstemps memchr memcmp memcpy \
+ memmove mempcpy memset putenv random rename rindex sigsetmask \
+ strcasecmp setenv stpcpy stpncpy strchr strdup strncasecmp strrchr strstr \
+ strtod strtol strtoul tmpnam vasprintf vfprintf vprintf \
+ vsprintf waitpid getrusage on_exit psignal strerror strsignal \
+ sysconf times sbrk gettimeofday ffs snprintf vsnprintf \
+ pstat_getstatic pstat_getdynamic sysmp getsysinfo table sysctl \
+ realpath canonicalize_file_name)
+ AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
+ AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.])
+ AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.])
+fi
+
+# For each of these functions, if the host does not provide the
+# function we want to put FN.o in LIBOBJS, and if the host does
+# provide the function, we want to define HAVE_FN in config.h.
+
+setobjs=
+CHECK=
+target_header_dir=
+if test -n "${with_target_subdir}"; then
+
+ # We are being configured as a target library. AC_REPLACE_FUNCS
+ # may not work correctly, because the compiler may not be able to
+ # link executables. Note that we may still be being configured
+ # native.
+
+ # If we are being configured for newlib, we know which functions
+ # newlib provide and which ones we will be expected to provide.
+
+ if test "x${with_newlib}" = "xyes"; then
+ AC_LIBOBJ([asprintf])
+ AC_LIBOBJ([basename])
+ AC_LIBOBJ([insque])
+ AC_LIBOBJ([random])
+ AC_LIBOBJ([strdup])
+ AC_LIBOBJ([vasprintf])
+
+ for f in $funcs; do
+ case "$f" in
+ asprintf | basename | insque | random | strdup | vasprintf)
+ ;;
+ *)
+ n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
+ AC_DEFINE_UNQUOTED($n)
+ ;;
+ esac
+ done
+
+ # newlib doesnt provide any of the variables in $vars, so we
+ # dont have to check them here.
+
+ # Of the functions in $checkfuncs, newlib only has strerror.
+ AC_DEFINE_NOAUTOHEADER(HAVE_STRERROR)
+
+ setobjs=yes
+
+ fi
+
+ # We may wish to install the target headers somewhere.
+ AC_ARG_ENABLE(install-libiberty,
+ [ --enable-install-libiberty Install headers for end users],
+ enable_install_libiberty=$enableval,
+ enable_install_libiberty=no)dnl
+
+ # Option parsed, now set things appropriately.
+ case x"$enable_install_libiberty" in
+ xyes|x)
+ target_header_dir=libiberty
+ ;;
+ xno)
+ target_header_dir=
+ ;;
+ *)
+ # This could be sanity-checked in various ways...
+ target_header_dir="${enable_install_libiberty}"
+ ;;
+ esac
+
+
+else
+
+ # Not a target library, so we set things up to run the test suite.
+ CHECK=check-cplus-dem
+
+fi
+
+AC_SUBST(CHECK)
+AC_SUBST(target_header_dir)
+
+case "${host}" in
+ *-*-cygwin* | *-*-mingw*)
+ AC_DEFINE_NOAUTOHEADER(HAVE_SYS_ERRLIST)
+ AC_DEFINE_NOAUTOHEADER(HAVE_SYS_NERR)
+ ;;
+esac
+
+if test -z "${setobjs}"; then
+ case "${host}" in
+
+ *-*-vxworks*)
+ # Handle VxWorks configuration specially, since on VxWorks the
+ # libraries are actually on the target board, not in the file
+ # system.
+ AC_LIBOBJ([basename])
+ AC_LIBOBJ([getpagesize])
+ AC_LIBOBJ([insque])
+ AC_LIBOBJ([random])
+ AC_LIBOBJ([strcasecmp])
+ AC_LIBOBJ([strncasecmp])
+ AC_LIBOBJ([strdup])
+ AC_LIBOBJ([vfork])
+ AC_LIBOBJ([waitpid])
+ AC_LIBOBJ([vasprintf])
+ for f in $funcs; do
+ case "$f" in
+ basename | getpagesize | insque | random | strcasecmp)
+ ;;
+ strncasecmp | strdup | vfork | waitpid | vasprintf)
+ ;;
+ *)
+ n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
+ AC_DEFINE_UNQUOTED($n)
+ ;;
+ esac
+ done
+
+ # VxWorks doesn't provide any of the variables in $vars, so we
+ # don't have to check them here.
+
+ # Of the functions in $checkfuncs, VxWorks only has strerror.
+ AC_DEFINE_NOAUTOHEADER(HAVE_STRERROR)
+
+ setobjs=yes
+ ;;
+
+ esac
+fi
+
+if test -z "${setobjs}"; then
+
+ case "${host}" in
+
+ *-*-cygwin*)
+ # The Cygwin library actually uses a couple of files from
+ # libiberty when it is built. If we are building a native
+ # Cygwin, and we run the tests, we will appear to have these
+ # files. However, when we go on to build winsup, we will wind up
+ # with a library which does not have the files, since they should
+ # have come from libiberty.
+
+ # We handle this by removing the functions the winsup library
+ # provides from our shell variables, so that they appear to be
+ # missing.
+
+ # DJ - only if we're *building* cygwin, not just building *with* cygwin
+
+ if test -n "${with_target_subdir}"
+ then
+ funcs="`echo $funcs | sed -e 's/random//'`"
+ AC_LIBOBJ([random])
+ vars="`echo $vars | sed -e 's/sys_siglist//'`"
+ checkfuncs="`echo $checkfuncs | sed -e 's/strsignal//' -e 's/psignal//'`"
+ fi
+ ;;
+
+ *-*-mingw32*)
+ # Under mingw32, sys_nerr and sys_errlist exist, but they are
+ # macros, so the test below won't find them.
+ libiberty_cv_var_sys_nerr=yes
+ libiberty_cv_var_sys_errlist=yes
+ ;;
+
+ *-*-uwin*)
+ # Under some versions of uwin, vfork is notoriously buggy and the test
+ # can hang configure; on other versions, vfork exists just as a stub.
+ # FIXME: This should be removed once vfork in uwin's runtime is fixed.
+ ac_cv_func_vfork_works=no
+ # Under uwin 2.0+, sys_nerr and sys_errlist exist, but they are
+ # macros (actually, these are imported from a DLL, but the end effect
+ # is the same), so the test below won't find them.
+ libiberty_cv_var_sys_nerr=yes
+ libiberty_cv_var_sys_errlist=yes
+ ;;
+
+ *-*-*vms*)
+ # Under VMS, vfork works very different than on Unix. The standard test
+ # won't work, and it isn't easily adaptable. It makes more sense to
+ # just force it.
+ ac_cv_func_vfork_works=yes
+ ;;
+
+ esac
+
+ # We haven't set the list of objects yet. Use the standard autoconf
+ # tests. This will only work if the compiler works.
+ AC_ISC_POSIX
+ AC_REPLACE_FUNCS($funcs)
+ libiberty_AC_FUNC_C_ALLOCA
+ AC_FUNC_VFORK
+ if test $ac_cv_func_vfork_works = no; then
+ AC_LIBOBJ([vfork])
+ fi
+ # We only need _doprnt if we might use it to implement v*printf.
+ if test $ac_cv_func_vprintf != yes \
+ || test $ac_cv_func_vfprintf != yes \
+ || test $ac_cv_func_vsprintf != yes; then
+ AC_REPLACE_FUNCS(_doprnt)
+ else
+ AC_CHECK_FUNCS(_doprnt)
+ fi
+
+ for v in $vars; do
+ AC_MSG_CHECKING([for $v])
+ AC_CACHE_VAL(libiberty_cv_var_$v,
+ [AC_TRY_LINK([int *p;], [extern int $v []; p = $v;],
+ [eval "libiberty_cv_var_$v=yes"],
+ [eval "libiberty_cv_var_$v=no"])])
+ if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then
+ AC_MSG_RESULT(yes)
+ n=HAVE_`echo $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
+ AC_DEFINE_UNQUOTED($n)
+ else
+ AC_MSG_RESULT(no)
+ fi
+ done
+
+ # special check for _system_configuration because AIX <4.3.2 do not
+ # contain the `physmem' member.
+ AC_MSG_CHECKING([for external symbol _system_configuration])
+ AC_TRY_COMPILE([#include <sys/systemcfg.h>],
+ [double x = _system_configuration.physmem;],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE__SYSTEM_CONFIGURATION, 1,
+ [Define if you have the _system_configuration variable.])],
+ [AC_MSG_RESULT([no])])
+
+ AC_CHECK_FUNCS($checkfuncs)
+ libiberty_NEED_DECLARATION(canonicalize_file_name)
+fi
+
+# Figure out which version of pexecute to use.
+case "${host}" in
+ *-*-mingw* | *-*-winnt*) pexecute=./pex-win32.o ;;
+ *-*-msdosdjgpp*) pexecute=./pex-djgpp.o ;;
+ *-*-msdos*) pexecute=./pex-msdos.o ;;
+ *-*-os2-emx*) pexecute=./pex-os2.o ;;
+ *) pexecute=./pex-unix.o ;;
+esac
+AC_SUBST(pexecute)
+
+libiberty_AC_FUNC_STRNCMP
+
+# Install a library built with a cross compiler in $(tooldir) rather
+# than $(libdir).
+if test -z "${with_cross_host}"; then
+ INSTALL_DEST=libdir
+else
+ INSTALL_DEST=tooldir
+fi
+AC_SUBST(INSTALL_DEST)
+
+m4_pattern_allow(LIBOBJS)
+L=""
+for l in x $LIBOBJS; do
+ case $l in
+ x) ;;
+ *) L="$L ./$l" ;;
+ esac
+done
+LIBOBJS="$L"
+
+# We need multilib support, but only if configuring for the target.
+AC_OUTPUT(Makefile testsuite/Makefile,
+[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
+if test -n "$CONFIG_FILES"; then
+ if test -n "${with_build_subdir}" || test -n "${with_target_subdir}"; then
+ # FIXME: We shouldn't need to set ac_file
+ ac_file=Makefile
+ LD="${ORIGINAL_LD_FOR_MULTILIBS}"
+ . ${libiberty_topdir}/config-ml.in
+ fi
+fi],
+srcdir=${srcdir}
+host=${host}
+target=${target}
+with_target_subdir=${with_target_subdir}
+with_build_subdir=${with_build_subdir}
+with_multisubdir=${with_multisubdir}
+ac_configure_args="--enable-multilib ${ac_configure_args}"
+CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
+ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
+libiberty_topdir=${libiberty_topdir}
+)