From: Simon Marlow <simonmar@microsoft.com>
Date: Mon, 14 Apr 2008 17:32:25 +0000 (+0000)
Subject: FIX BUILD (Windows): Copy the ln trick used by the GMP build
X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=b3bcf51f7226678234b3c07de95ab44a75cc4820

FIX BUILD (Windows): Copy the ln trick used by the GMP build
---

diff --git a/libffi/Makefile b/libffi/Makefile
index 3a7cb69..bd9e658 100644
--- a/libffi/Makefile
+++ b/libffi/Makefile
@@ -53,11 +53,16 @@ endif
 
 install all :: $(INSTALL_HEADERS) $(INSTALL_LIBS) $(INSTALL_PROGS)
 
+# We have to fake a non-working ln for configure, so that the fallback
+# option (cp -p) gets used instead.  Otherwise the libffi build system
+# will use cygwin symbolic linkks which cannot be read by mingw gcc.
+# The same trick is played by the GMP build in ../gmp.
+
 stamp.ffi.static:
 	$(RM) -rf $(LIBFFI_DIR) build
 	$(TAR) -zxf $(LIBFFI_TARBALL)
 	mv $(LIBFFI_DIR) build
-#	chmod +x ln
+	chmod +x ln
 	(set -o igncr 2>/dev/null) && set -o igncr; export SHELLOPTS; \
 	    PATH=`pwd`:$$PATH; \
 	    export PATH; \
@@ -70,7 +75,7 @@ stamp.ffi.shared:
 	$(RM) -rf $(LIBFFI_DIR) build-shared
 	$(TAR) -zxf $(LIBFFI_TARBALL)
 	mv $(LIBFFI_DIR) build-shared
-#	chmod +x ln
+	chmod +x ln
 	(set -o igncr 2>/dev/null) && set -o igncr; export SHELLOPTS; \
 	    PATH=`pwd`:$$PATH; \
 	    export PATH; \
diff --git a/libffi/ln b/libffi/ln
new file mode 100644
index 0000000..a3a297c
--- /dev/null
+++ b/libffi/ln
@@ -0,0 +1,3 @@
+#!/bin/sh
+exit 1
+