From 58a5a820546cb18bd19e947f960487fab738d7f8 Mon Sep 17 00:00:00 2001 From: "Gary V. Vaughan" <gary@gnu.org> Date: Fri, 8 Sep 2000 17:04:24 +0000 Subject: [PATCH] libtool.m4 (_LT_AC_LTCONFIG_HACK): The ltconfig.in code I ported from ltconfig.in was incomplete -- this is a backport of the missing code taken from the multi-language branch. --- ChangeLog | 6 ++++++ libtool.m4 | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 52 insertions(+) diff --git a/ChangeLog b/ChangeLog index fce799e4..29b7766d 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2000-09-08 Gary V. Vaughan <gcc@techie.com> + + libtool.m4 (_LT_AC_LTCONFIG_HACK): The ltconfig.in code I + ported from ltconfig.in was incomplete -- this is a backport + of the missing code taken from the multi-language branch. + 2000-09-07 Pavel Roskin <proskin@gnu.org> * libtool.m4 (_LT_AC_LTCONFIG_HACK): Fixed incorrect use of diff --git a/libtool.m4 b/libtool.m4 index ff1c992c..ea44c8c4 100644 --- a/libtool.m4 +++ b/libtool.m4 @@ -2019,6 +2019,52 @@ fi ## ## END FIXME +## FIXME: this should be a separate macro +## +if test "$enable_shared" = yes && test "$ac_cv_prog_gcc" = yes; then + case "$archive_cmds" in + *'~'*) + # FIXME: we may have to deal with multi-command sequences. + ;; + '$CC '*) + # Test whether the compiler implicitly links with -lc since on some + # systems, -lgcc has to come before -lc. If gcc already passes -lc + # to ld, don't add -lc before -lgcc. + AC_MSG_CHECKING([whether -lc should be explicitly linked in]) + AC_CACHE_VAL([ac_cv_archive_cmds_need_lc], + [$rm conftest* + echo 'static int dummy;' > conftest.c + + if AC_TRY_EVAL(ac_compile); then + soname=conftest + lib=conftest + libobjs=conftest.$ac_objext + deplibs= + wl=$ac_cv_prog_cc_wl + compiler_flags=-v + linker_flags=-v + verstring= + output_objdir=. + libname=conftest + save_allow_undefined_flag=$allow_undefined_flag + allow_undefined_flag= + if AC_TRY_EVAL(archive_cmds 2\>\&1 \| grep \" -lc \"); then + ac_cv_archive_cmds_need_lc=no + else + ac_cv_archive_cmds_need_lc=yes + fi + allow_undefined_flag=$save_allow_undefined_flag + else + cat conftest.err 1>&5 + fi]) + AC_MSG_RESULT([$ac_cv_archive_cmds_need_lc]) + ;; + esac +fi +need_lc=${ac_cv_archive_cmds_need_lc-yes} +## +## END FIXME + ## FIXME: this should be a separate macro ## # Now quote all the things that may contain metacharacters while being