fi
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:
# 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 $ac_cv_type_uintptr_t = yes
+then
+ AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if you have the \`uintptr_t' type.])
+fi
+
# This is the list of functions which libiberty will provide if they
# are not available on the host.
setobjs=
CHECK=
+target_header_dir=
if test -n "${with_target_subdir}"; then
# We are being configured as a target library. AC_REPLACE_FUNCS
# Of the functions in $checkfuncs, newlib only has strerror.
AC_DEFINE_NOAUTOHEADER(HAVE_STRERROR)
- case "${host}" in
- *-*-cygwin*)
- AC_DEFINE(HAVE_SYS_ERRLIST)
- ;;
- esac
-
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="${enable_install_libiberty}"
+ ;;
+ esac
+
+
else
# Not a target library, so we set things up to run the test suite.
fi
AC_SUBST(CHECK)
+AC_SUBST(target_header_dir)
+
+case "${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
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
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