1 files changed, 2 insertions, 3 deletions

diff --git a/src/s/hpux10-20.h b/src/s/hpux10-20.h
index 6573c6f4ad4..fe47b3b5645 100644
--- a/src/s/hpux10-20.h
+++ b/src/s/hpux10-20.h
@@ -134,6 +134,8 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define LIBS_SYSTEM -l:libdld.sl
 
+#define LIB_STANDARD -lc
+
 /* Rainer Malzbender <rainer@displaytech.com> says definining
    HAVE_XRMSETDATABASE allows Emacs to compile on HP-UX 10.20
    using GCC.  */
@@ -154,9 +156,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #undef _FILE_OFFSET_BITS
 
-/* otherwise sigunblock wont be defined */
-#define POSIX_SIGNALS
-
 /* Define NO_REMAP if memory segmentation makes it not work well
    to change the boundary between the text section and data section
    when Emacs is dumped.  If you define this, the preloaded Lisp