From ad0d423bd57d2ac261ef921a9784dbfe666a89d2 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Fri, 14 Nov 2014 08:28:53 -0800
Subject: Added mingw target for compiling windows exe and dll.

They can be compiled on linux; all that is needed is the mingw32
package.
---
 Makefile                | 12 ++++++++++--
 toolchain-mingw32.cmake | 17 +++++++++++++++++
 2 files changed, 27 insertions(+), 2 deletions(-)
 create mode 100644 toolchain-mingw32.cmake

diff --git a/Makefile b/Makefile
index dcc317c..350f177 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,8 @@
 SRCDIR?=src
 DATADIR?=data
 BUILDDIR?=build
+MINGW_BUILDDIR?=build-mingw
+MINGW_INSTALLDIR?=windows
 SPEC=spec.txt
 SITE=_site
 SPECVERSION=$(shell perl -ne 'print $$1 if /^version: *([0-9.]+)/' $(SPEC))
@@ -11,7 +13,7 @@ PROG?=$(BUILDDIR)/src/cmark
 BENCHINP?=README.md
 JSMODULES=$(wildcard js/lib/*.js)
 
-.PHONY: all spec leakcheck clean fuzztest dingus upload jshint test testjs benchjs update-site upload-site check npm debug tarball
+.PHONY: all spec leakcheck clean fuzztest dingus upload jshint test testjs benchjs update-site upload-site check npm debug mingw tarball
 
 all: $(BUILDDIR)
 	@make -C $(BUILDDIR)
@@ -33,6 +35,12 @@ debug:
 	cmake .. -DCMAKE_BUILD_TYPE=Debug; \
 	make
 
+mingw:
+	mkdir -p $(MINGW_BUILDDIR); \
+	cd $(MINGW_BUILDDIR); \
+	cmake .. -DCMAKE_TOOLCHAIN_FILE=../toolchain-mingw32.cmake -DCMAKE_INSTALL_PREFIX=$(MINGW_INSTALLDIR) ;\
+	make && make install
+
 tarball: spec.html $(SRCDIR)/scanners.c
 	rm -rf $(PKGDIR); \
 	mkdir -p $(PKGDIR)/man/man1; \
@@ -49,7 +57,7 @@ tarball: spec.html $(SRCDIR)/scanners.c
 	rm -rf $(PKGDIR)
 
 clean:
-	rm -rf $(BUILDDIR)
+	rm -rf $(BUILDDIR) $(MINGW_BUILDDIR) $(MINGW_INSTALLDIR)
 
 $(PROG): all
 
diff --git a/toolchain-mingw32.cmake b/toolchain-mingw32.cmake
new file mode 100644
index 0000000..61c62a8
--- /dev/null
+++ b/toolchain-mingw32.cmake
@@ -0,0 +1,17 @@
+# the name of the target operating system
+SET(CMAKE_SYSTEM_NAME Windows)
+
+# which compilers to use for C and C++
+SET(CMAKE_C_COMPILER i586-mingw32msvc-gcc)
+SET(CMAKE_CXX_COMPILER i586-mingw32msvc-g++)
+SET(CMAKE_RC_COMPILER i586-mingw32msvc-windres)
+
+# here is the target environment located
+SET(CMAKE_FIND_ROOT_PATH  /usr/i586-mingw32msvc "${CMAKE_SOURCE_DIR}/windows")
+
+# adjust the default behaviour of the FIND_XXX() commands:
+# search headers and libraries in the target environment, search 
+# programs in the host environment
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
-- 
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