AC_PREREQ(2.13)
AC_INIT(pexecute.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
AC_SUBST(MAINT)dnl
AC_SUBST(NOTMAINT)dnl
-# Do we have a single-tree copy of texinfo?
-if test -f $srcdir/../texinfo/Makefile.in; then
- MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
- AC_MSG_RESULT([Using makeinfo from the unified source tree.])
-else
- AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, )
-fi
-if test x"$MAKEINFO" = x""; then
- BUILD_INFO=
+# Do we have a single-tree copy of texinfo? Even if we do, we can't
+# rely on it - libiberty is built before texinfo.
+AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, )
+if test "x$MAKEINFO" = "x"; then
+ MAKEINFO="@echo makeinfo missing; true"
+ BUILD_INFO=
else
- BUILD_INFO=info
+ BUILD_INFO=info
+ case x"`$MAKEINFO --version | grep 'GNU texinfo'`" in
+ x*\ [[1-3]].* )
+ MAKEINFO="@echo $MAKEINFO is too old, 4.0 or newer required; true"
+ BUILD_INFO=
+ AC_MSG_WARN([
+*** Makeinfo is too old. Info documentation will not be built.])
+ ;;
+ esac
fi
+AC_SUBST(MAKEINFO)
AC_SUBST(BUILD_INFO)
AC_CHECK_PROG(PERL, perl, perl, )
LIB_AC_PROG_CC
+AC_PROG_CC_C_O
+# autoconf is lame and doesn't give us any substitution variable for this.
+if eval "test \"`echo '$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
# 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 string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h)
AC_HEADER_SYS_WAIT
AC_HEADER_TIME
libiberty_AC_DECLARE_ERRNO
+AC_CHECK_TYPE(uintptr_t, unsigned long)
+
+if test $ac_cv_type_uintptr_t = yes
+then
+ AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if you have the \`uintptr_t' type.])
+fi
+
+AC_TYPE_PID_T
+
# This is the list of functions which libiberty will provide if they
# are not available on the host.
setobjs=
CHECK=
+target_header_dir=
if test -n "${with_target_subdir}"; then
# We are being configured as a target library. AC_REPLACE_FUNCS
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*)
- AC_DEFINE(HAVE_SYS_ERRLIST)
- AC_DEFINE(HAVE_SYS_NERR)
+ *-*-cygwin* | *-*-mingw*)
+ AC_DEFINE_NOAUTOHEADER(HAVE_SYS_ERRLIST)
+ AC_DEFINE_NOAUTOHEADER(HAVE_SYS_NERR)
;;
esac
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
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_'$v`\" = yes"; then
AC_OUTPUT(Makefile testsuite/Makefile,
[test -z "$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}
projects / deliverable / binutils-gdb.git / blobdiff