diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/ld-O1.m4 | 24 | ||||
| -rw-r--r-- | m4/ld-as-needed.m4 | 24 |
2 files changed, 48 insertions, 0 deletions
diff --git a/m4/ld-O1.m4 b/m4/ld-O1.m4 new file mode 100644 index 00000000..c8630740 --- /dev/null +++ b/m4/ld-O1.m4 @@ -0,0 +1,24 @@ +# ld-O1.m4 serial 2 + +# Test if ld supports -O1 + +AC_DEFUN([PAM_LD_O1], + [ + AC_CACHE_CHECK(whether ld supports -O1, + pam_cv_ld_O1, [ dnl + cat > conftest.c <<EOF +int main (void) { return 0; } +EOF + if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS + -o conftest.o conftest.c + -Wl,-O1 1>&AS_MESSAGE_LOG_FD]) + then + pam_cv_ld_O1=yes + else + pam_cv_ld_O1=no + fi + rm -f conftest*]) + AC_SUBST(pam_cv_ld_as_needed) + LDFLAGS="$LDFLAGS -Wl,-O1" + ] +) diff --git a/m4/ld-as-needed.m4 b/m4/ld-as-needed.m4 new file mode 100644 index 00000000..cd81f91b --- /dev/null +++ b/m4/ld-as-needed.m4 @@ -0,0 +1,24 @@ +# ld-as-needed.m4 serial 2 + +# Test if ld supports --as-needed + +AC_DEFUN([PAM_LD_AS_NEEDED], + [ + AC_CACHE_CHECK(whether ld supports --as-needed, + pam_cv_ld_as_needed, [ dnl + cat > conftest.c <<EOF +int main (void) { return 0; } +EOF + if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS + -o conftest.o conftest.c + -Wl,--as-needed 1>&AS_MESSAGE_LOG_FD]) + then + pam_cv_ld_as_needed=yes + else + pam_cv_ld_as_needed=no + fi + rm -f conftest*]) + AC_SUBST(pam_cv_ld_as_needed) + LDFLAGS="$LDFLAGS -Wl,--as-needed" + ] +) |