From c7aa6443907ddd97b6b1e8729ce9c897de0d244c Mon Sep 17 00:00:00 2001
From: Peter Stephenson <pws@zsh.org>
Date: Thu, 15 Jan 2015 13:50:09 +0000
Subject: 34287: preprocessor for signal name generation.

Some gcc header files are difficult for the signames2.awk
script to process, so if the preprocessor is gcc give the
option -P to strip out the unwanted additions.
---
 Src/zsh.mdd | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'Src')

diff --git a/Src/zsh.mdd b/Src/zsh.mdd
index f0379d2d1..71dd61374 100644
--- a/Src/zsh.mdd
+++ b/Src/zsh.mdd
@@ -22,9 +22,18 @@ hdrdeps="zshcurses.h zshterm.h"
 :<<\Make
 @CONFIG_MK@
 
+# If we're using gcc as the preprocessor, get rid of the additional
+# lines generated by the preprocessor as they can confuse the script.
+# We don't need these in other cases either, but can't necessarily rely
+# on the option to remove them being the same.
 signames.c: signames1.awk signames2.awk ../config.h @SIGNAL_H@
 	$(AWK) -f $(sdir)/signames1.awk @SIGNAL_H@ >sigtmp.c
-	$(CPP) sigtmp.c >sigtmp.out
+	case "$(CPP)" in \
+	gcc*) \
+	$(CPP) -P sigtmp.c >sigtmp.out;; \
+	*) \
+	$(CPP) sigtmp.c >sigtmp.out;; \
+	esac
 	$(AWK) -f $(sdir)/signames2.awk sigtmp.out > $@
 	rm -f sigtmp.c sigtmp.out
 
-- 
cgit 1.4.1