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| author | Dmitry V. Levin <ldv@altlinux.org> | 2010-10-19 16:48:32 +0000 |
|---|---|---|
| committer | Dmitry V. Levin <ldv@altlinux.org> | 2010-10-19 16:48:32 +0000 |
| commit | 64d2ded89df33d22d604ae0672156c47963689c0 (patch) | |
| tree | 1cc6ad73b52bf413e853800511fe60836b12fdaf /m4 | |
| parent | ef7534f700b8254c6a72e47607c9bf3e8880d446 (diff) | |
| download | pam-64d2ded89df33d22d604ae0672156c47963689c0.tar.gz pam-64d2ded89df33d22d604ae0672156c47963689c0.tar.bz2 pam-64d2ded89df33d22d604ae0672156c47963689c0.zip | |
Relevant BUGIDs:
Purpose of commit: new feature
Commit summary:
---------------
2010-10-19 Dmitry V. Levin <ldv@altlinux.org>
* m4/ld-no-undefined.m4: New file.
* configure.in: Use PAM_LD_NO_UNDEFINED.
* Makefile.am (M4_FILES): Add m4/ld-no-undefined.m4.
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/ld-no-undefined.m4 | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/m4/ld-no-undefined.m4 b/m4/ld-no-undefined.m4 new file mode 100644 index 00000000..b6db946a --- /dev/null +++ b/m4/ld-no-undefined.m4 @@ -0,0 +1,24 @@ +# ld-no-undefined.m4 serial 1 + +# Test if ld supports --no-undefined + +AC_DEFUN([PAM_LD_NO_UNDEFINED], + [ + AC_CACHE_CHECK(whether ld supports --no-undefined, + pam_cv_ld_no_undefined, [ dnl + cat > conftest.c <<EOF +int main (void) { return 0; } +EOF + if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS + -o conftest.o conftest.c + -Wl,--no-undefined 1>&AS_MESSAGE_LOG_FD]) + then + pam_cv_ld_no_undefined=yes + LDFLAGS="$LDFLAGS -Wl,--no-undefined" + else + pam_cv_ld_no_undefined=no + fi + rm -f conftest*]) + AC_SUBST(pam_cv_ld_no_undefined) + ] +) |