1 # ld-no-undefined.m4 serial 1
3 # Test if ld supports --no-undefined
5 AC_DEFUN([PAM_LD_NO_UNDEFINED],
7 AC_CACHE_CHECK(whether ld supports --no-undefined,
8 pam_cv_ld_no_undefined, [ dnl
10 int main (void) { return 0; }
12 if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
13 -o conftest.o conftest.c
14 -Wl,--no-undefined 1>&AS_MESSAGE_LOG_FD])
16 pam_cv_ld_no_undefined=yes
17 LDFLAGS="$LDFLAGS -Wl,--no-undefined"
19 pam_cv_ld_no_undefined=no
22 AC_SUBST(pam_cv_ld_no_undefined)