From 3fc99a48e14b3f61d7103d93eb7159f3b980a086 Mon Sep 17 00:00:00 2001
From: Paul Smith <psmith@gnu.org>
Date: Sat, 9 Apr 2016 20:06:06 -0400
Subject: [PATCH] * maintMakefile: Add a rule for storing preprocessor output.

---
 maintMakefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/maintMakefile b/maintMakefile
index 0720669a..aead0e8b 100644
--- a/maintMakefile
+++ b/maintMakefile
@@ -39,6 +39,10 @@ MTEMPLATES = Makefile.DOS SMakefile
 # These are built as a side-effect of the dist rule
 #all-am: $(TEMPLATES) $(MTEMPLATES) build.sh.in
 
+# Create preprocessor output files--GCC specific!
+%.i : %.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) -E -dD -o $@ $<
+
 # General rule for turning a .template into a regular file.
 #
 $(TEMPLATES) : % : %.template Makefile