From 3fb8c431824aa2f3bd979e35d1a283546fcfbe74 Mon Sep 17 00:00:00 2001
From: Ian Lynagh <igloo@earth.li>
Date: Fri, 16 Mar 2012 01:00:30 +0000
Subject: [PATCH] Fix building libgmp on cygwin
---
libraries/integer-gmp/gmp/ghc.mk | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libraries/integer-gmp/gmp/ghc.mk b/libraries/integer-gmp/gmp/ghc.mk
index 78dfa8ac067..8c60e6f0910 100644
--- a/libraries/integer-gmp/gmp/ghc.mk
+++ b/libraries/integer-gmp/gmp/ghc.mk
@@ -125,6 +125,12 @@ libraries/integer-gmp/gmp/libgmp.a libraries/integer-gmp/gmp/gmp.h:
cat $(GMP_TARBALL) | $(BZIP2_CMD) -d | { cd libraries/integer-gmp/gmp && $(TAR_CMD) -xf - ; }
mv libraries/integer-gmp/gmp/$(GMP_DIR) libraries/integer-gmp/gmp/gmpbuild
chmod +x libraries/integer-gmp/gmp/ln
+
+ # Their cmd invocation only works on msys. On cygwin it starts
+ # a cmd interactive shell. The replacement works in both environments.
+ mv libraries/integer-gmp/gmp/gmpbuild/ltmain.sh libraries/integer-gmp/gmp/gmpbuild/ltmain.sh.orig
+ sed 's#cmd //c echo "\$$1"#cmd /c "echo $$1"#' < libraries/integer-gmp/gmp/gmpbuild/ltmain.sh.orig > libraries/integer-gmp/gmp/gmpbuild/ltmain.sh
+
cd libraries/integer-gmp/gmp; (set -o igncr 2>/dev/null) && set -o igncr; export SHELLOPTS; \
PATH=`pwd`:$$PATH; \
export PATH; \
--
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