dnl Process this file with autoconf to produce a configure script
AC_PREREQ(2.13)
-AC_INIT(pexecute.c)
+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=$LD
dnl We use these options to decide which functions to include.
AC_ARG_WITH(target-subdir,
-[ --with-target-subdir=SUBDIR Configuring in a subdirectory])
+[ --with-target-subdir=SUBDIR Configuring in a subdirectory for target])
+AC_ARG_WITH(build-subdir,
+[ --with-build-subdir=SUBDIR Configuring in a subdirectory for build])
AC_ARG_WITH(cross-host,
[ --with-cross-host=HOST Configuring with a cross compiler])
AC_ARG_WITH(newlib,
[ --with-newlib Configuring with newlib])
if test "${srcdir}" = "."; then
- if test -z "${with_target_subdir}"; then
+ if test -n "${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
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 x"`$MAKEINFO --version | grep 'GNU texinfo'`" in
+ x*\ [[1-3]].* )
+ MAKEINFO="@echo $MAKEINFO is too old, 4.0 or newer required; true"
+ BUILD_INFO=
+ AC_MSG_WARN([
+*** Makeinfo is too old. Info documentation will not be built.])
+ ;;
+ esac
+fi
+AC_SUBST(MAKEINFO)
+AC_SUBST(BUILD_INFO)
+
+AC_CHECK_PROG(PERL, perl, perl, )
+if test x"$PERL" = x""; then
+ HAVE_PERL='#'
+else
+ HAVE_PERL=''
+fi
+AC_SUBST(HAVE_PERL)
+
AC_CANONICAL_HOST
dnl When we start using automake:
LIB_AC_PROG_CC
+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 $@'
+fi
+AC_SUBST(NO_MINUS_C_MINUS_O)
+AC_SUBST(OUTPUT_OPTION)
+
AC_ISC_POSIX
AC_C_CONST
AC_C_INLINE
+AC_C_BIGENDIAN_CROSS
dnl When we start using libtool:
dnl Default to a non shared library. This may be overridden by the
# It's OK to check for header files. Although the compiler may not be
# able to link anything, it had better be able to at least compile
# something.
-AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h)
+AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h malloc.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h sys/sysctl.h sys/systemcfg.h)
AC_HEADER_SYS_WAIT
AC_HEADER_TIME
libiberty_AC_DECLARE_ERRNO
+AC_CHECK_TYPE(uintptr_t, unsigned long)
+# Given the above check, we always have uintptr_t or a fallback
+# definition. So define HAVE_UINTPTR_T in case any imported code
+# relies on it.
+AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if you have the \`uintptr_t' type.])
+
+AC_TYPE_PID_T
+
# This is the list of functions which libiberty will provide if they
# are not available on the host.
funcs="$funcs bzero"
funcs="$funcs calloc"
funcs="$funcs clock"
+funcs="$funcs ffs"
funcs="$funcs getcwd"
funcs="$funcs getpagesize"
funcs="$funcs index"
funcs="$funcs memcmp"
funcs="$funcs memcpy"
funcs="$funcs memmove"
+funcs="$funcs mempcpy"
funcs="$funcs memset"
funcs="$funcs mkstemps"
funcs="$funcs putenv"
funcs="$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 vasprintf"
funcs="$funcs vfprintf"
funcs="$funcs vprintf"
+funcs="$funcs vsnprintf"
funcs="$funcs vsprintf"
funcs="$funcs waitpid"
vars="sys_errlist sys_nerr sys_siglist"
checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday"
+checkfuncs="$checkfuncs realpath canonicalize_file_name pstat_getstatic pstat_getdynamic sysmp"
+checkfuncs="$checkfuncs getsysinfo table sysctl"
# These are neither executed nor required, but they help keep
# autoheader happy without adding a bunch of text to acconfig.h.
if test "x" = "y"; then
- AC_CHECK_FUNCS(asprintf atexit basename bcmp bcopy bsearch bzero calloc clock)
- AC_CHECK_FUNCS(getcwd getpagesize index insque mkstemps memchr memcmp memcpy)
- AC_CHECK_FUNCS(memmove memset putenv random rename rindex sigsetmask)
- AC_CHECK_FUNCS(strcasecmp setenv strchr strdup strncasecmp strrchr strstr)
- AC_CHECK_FUNCS(strtod strtol strtoul tmpnam vasprintf vfprintf vprintf)
- AC_CHECK_FUNCS(vsprintf waitpid getrusage on_exit psignal strerror strsignal)
- AC_CHECK_FUNCS(sysconf times sbrk gettimeofday)
+ AC_CHECK_FUNCS(asprintf atexit basename bcmp bcopy bsearch bzero calloc clock \
+ getcwd getpagesize index insque mkstemps memchr memcmp memcpy \
+ memmove mempcpy memset putenv random rename rindex sigsetmask \
+ strcasecmp setenv stpcpy stpncpy strchr strdup strncasecmp strrchr strstr \
+ strtod strtol strtoul tmpnam vasprintf vfprintf vprintf \
+ vsprintf waitpid getrusage on_exit psignal strerror strsignal \
+ sysconf times sbrk gettimeofday ffs snprintf vsnprintf \
+ pstat_getstatic pstat_getdynamic sysmp getsysinfo table sysctl \
+ realpath canonicalize_file_name)
AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.])
AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.])
# For each of these functions, if the host does not provide the
# function we want to put FN.o in LIBOBJS, and if the host does
-# provide the function, we want to define HAVE_FN in config.h. Also,
-# if the host does not provide alloca, we set ALLOCA to alloca.o
+# provide the function, we want to define HAVE_FN in config.h.
setobjs=
CHECK=
+target_header_dir=
if test -n "${with_target_subdir}"; then
# We are being configured as a target library. AC_REPLACE_FUNCS
# newlib provide and which ones we will be expected to provide.
if test "x${with_newlib}" = "xyes"; then
- ALLOCA="alloca.o"
LIBOBJS="asprintf.o basename.o insque.o random.o strdup.o vasprintf.o"
for f in $funcs; do
fi
+ # We may wish to install the target headers somewhere.
+ AC_ARG_ENABLE(install-libiberty,
+ [ --enable-install-libiberty Install headers for end users],
+ enable_install_libiberty=$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.
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 "${host}" in
libiberty_cv_var_sys_errlist=yes
;;
+ *-*-*vms*)
+ # Under VMS, vfork works very different than on Unix. The standard test
+ # won't work, and it isn't easily adaptable. It makes more sense to
+ # just force it.
+ ac_cv_func_vfork_works=yes
+ ;;
+
esac
# We haven't set the list of objects yet. Use the standard autoconf
# tests. This will only work if the compiler works.
AC_PROG_CC_WORKS
AC_REPLACE_FUNCS($funcs)
-
- case "${host}" in
- *-*-interix)
- # On Interix, it wrongly concludes that the MSVC compiler supports alloca.
- # (MSVC does on Win32, not on Interix.)
- # This should be temporary.
-
- ac_cv_header_alloca_h=no
- ac_cv_func_alloca_works=no
- ALLOCA=alloca.o
- cat >> confdefs.h <<\EOF
-#define C_ALLOCA 1
-EOF
- cat >> confdefs.h <<EOF
-#define STACK_DIRECTION -1
-EOF
- ;;
- *)
- AC_FUNC_ALLOCA
- ;;
- esac
-
+ libiberty_AC_FUNC_C_ALLOCA
AC_FUNC_VFORK
if test $ac_cv_func_vfork_works = no; then
LIBOBJS="$LIBOBJS vfork.o"
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;],
+ [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_'$v`\" = yes"; then
AC_MSG_RESULT(no)
fi
done
+
+ # special check for _system_configuration because AIX <4.3.2 do not
+ # contain the `physmem' member.
+ AC_MSG_CHECKING([for external symbol _system_configuration])
+ AC_TRY_COMPILE([#include <sys/systemcfg.h>],
+ [double x = _system_configuration.physmem;],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE__SYSTEM_CONFIGURATION, 1,
+ [Define if you have the _system_configuration variable.])],
+ [AC_MSG_RESULT([no])])
+
AC_CHECK_FUNCS($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 $(tooldir) rather
AC_OUTPUT(Makefile testsuite/Makefile,
[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
if test -n "$CONFIG_FILES"; then
- if test -n "${with_target_subdir}"; 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}"
. ${libiberty_topdir}/config-ml.in
fi
fi],
host=${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}
)