From 882688521994c2329242212a61dd2a7c44eadbc6 Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@gnu.org>
Date: Sun, 19 Mar 2000 00:33:02 +0000
Subject: * Makeconfig (soversions.mk): Convert % -> # in shlib-versions

	after stripping # comments, and then run it through cpp.
	This allows things like "%ifdef FOO" based on config.h settings.
	* shlib-versions [USE_IN_LIBIO] (.*-.*-gnu-gnu*): libc=0.2.90.libio
---
 Makeconfig | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'Makeconfig')

diff --git a/Makeconfig b/Makeconfig
index 6d87892d74..de1b1b186a 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -685,7 +685,9 @@ $(common-objpfx)soversions.mk: $(..)shlib-versions $(..)Makeconfig \
 	       $(wildcard $(patsubst %,$(..)%/shlib-versions,$(subdirs))) \
 	       $(..)shlib-versions"; \
 	 for f in $$file; do \
-	   sed 's/#.*$$//' $$f | while read conf versions; do \
+	   sed 's/#.*$$//;s/^[ 	]*%/#/' $$f \
+	   | $(CC) -include $(common-objpfx)config.h -E -x c - \
+	   | while read conf versions; do \
 	     test -n "$$versions" && \
 	     test `expr '$(config-machine)-$(config-vendor)-$(config-os)' \
 			: "$$conf"` != 0 || continue; \
-- 
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