New config-h module, so that "make" output needn't be cluttered

[gnulib.git] / m4 / config-h.m4

diff --git a/m4/config-h.m4 b/m4/config-h.m4
new file mode 100644 (file)
index 0000000..807d515
--- /dev/null
+++ b/m4/config-h.m4
@@ -0,0 +1,13 @@
+# Say that -DHAVE_CONFIG_H is not needed.
+
+dnl Copyright (C) 2006 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl Written by Paul Eggert.
+
+# This package's source files all include config.h unconditionally,
+# so there's no need to pass -DHAVE_CONFIG_H to the compiler.
+AC_DEFUN([gl_CONFIG_H],
+  [AC_CONFIG_COMMANDS_PRE([test "X$DEFS" = X-DHAVE_CONFIG_H && DEFS=])])