make buildconf work as expected;

autoconf really needs some help with all those external m4s

diff --git a/build/build2.mk b/build/build2.mk
index be103fc3228804efbaab4b20f6dfd2710a1da42d..0b25ca79bd3eaa78592ac7cd9cd6ec115e0a35b1 100644 (file)
--- a/build/build2.mk
+++ b/build/build2.mk
@@ -50,5 +50,6 @@ aclocal.m4: configure.in acinclude.m4
 
 configure: aclocal.m4 configure.in $(config_m4_files)
        @echo rebuilding $@
-       $(PHP_AUTOCONF) $(SUPPRESS_WARNINGS)
+       @rm -f $@
+       $(PHP_AUTOCONF) -f $(SUPPRESS_WARNINGS)