Portability: Define explicit compilation rule to pick up CPPFLAGS on HP-UX

diff --git a/Makefile.in b/Makefile.in
index 65dca3041618b0cef8a80467d716cec205041e5e..797ee6175765b3440c365936ec199c1e5a840376 100644 (file)
--- a/Makefile.in
+++ b/Makefile.in
@@ -68,4 +68,7 @@ distclean: clean
 installcheck:
        CCACHE=$(bindir)/ccache $(srcdir)/test.sh
 
+.c.o:
+       $(CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<
+
 @include_dev_mk@