diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | Makefile.am | 5 | ||||
| -rw-r--r-- | configure.in | 1 | ||||
| -rw-r--r-- | m4/ld-no-undefined.m4 | 24 |
4 files changed, 32 insertions, 2 deletions
@@ -5,6 +5,10 @@ * m4/ld-O1.m4 (PAM_LD_O1): Fix typo. + * m4/ld-no-undefined.m4: New file. + * configure.in: Use PAM_LD_NO_UNDEFINED. + * Makefile.am (M4_FILES): Add m4/ld-no-undefined.m4. + 2010-10-19 Thorsten Kukuk <kukuk@thkukuk.de> * modules/pam_env/pam_env.8.xml: Document side effects of diff --git a/Makefile.am b/Makefile.am index 796a9507..69d09f63 100644 --- a/Makefile.am +++ b/Makefile.am @@ -14,8 +14,9 @@ CLEANFILES = *~ M4_FILES = m4/gettext.m4 m4/iconv.m4 m4/intlmacosx.m4 \ m4/japhar_grep_cflags.m4 m4/jh_path_xml_catalog.m4 \ - m4/ld-as-needed.m4 m4/ld-O1.m4 m4/lib-ld.m4 m4/lib-link.m4 \ - m4/lib-prefix.m4 m4/libprelude.m4 m4/libtool.m4 m4/nls.m4 \ + m4/ld-as-needed.m4 m4/ld-no-undefined.m4 m4/ld-O1.m4 \ + m4/lib-ld.m4 m4/lib-link.m4 m4/lib-prefix.m4 \ + m4/libprelude.m4 m4/libtool.m4 m4/nls.m4 \ m4/po.m4 m4/progtest.m4 EXTRA_DIST = config.rpath mkinstalldirs pgp.keys.asc CHANGELOG \ diff --git a/configure.in b/configure.in index 76fac05f..397e0159 100644 --- a/configure.in +++ b/configure.in @@ -84,6 +84,7 @@ AC_PROG_MAKE_SET AC_PROG_LIBTOOL AM_PROG_CC_C_O PAM_LD_AS_NEEDED +PAM_LD_NO_UNDEFINED PAM_LD_O1 dnl Largefile support 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) + ] +) |