From 48d353a5cb22e596f12946ef7202e9946679e2c8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C5=99emysl=20Janouch?= <p.janouch@gmail.com>
Date: Sat, 13 Oct 2012 19:07:56 +0200
Subject: Make MinGW{,-w64} crosscompilation working.

Also fix the 7za download path in Win32Depends.cmake.
---
 CMakeLists.txt                |  4 ++++
 ToolchainDebianMinGW.cmake    | 13 +++++++++++++
 ToolchainDebianMinGWW64.cmake | 13 +++++++++++++
 Win32Depends.cmake            | 12 ++++++++----
 4 files changed, 38 insertions(+), 4 deletions(-)
 create mode 100644 ToolchainDebianMinGW.cmake
 create mode 100644 ToolchainDebianMinGWW64.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d21d8e1..931255b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -50,6 +50,10 @@ if (WIN32)
 	list (APPEND CMAKE_INCLUDE_PATH ${WIN32_DEPENDS_PATH}/lib)
 	list (APPEND CMAKE_C_FLAGS "-mms-bitfields")
 
+	if (CMAKE_CROSSCOMPILING)
+		list (APPEND CMAKE_FIND_ROOT_PATH ${WIN32_DEPENDS_PATH})
+	endif (CMAKE_CROSSCOMPILING)
+
 	add_custom_target (win32-depends COMMAND ${CMAKE_COMMAND} -P
 		${CMAKE_CURRENT_SOURCE_DIR}/Win32Depends.cmake
 		WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
diff --git a/ToolchainDebianMinGW.cmake b/ToolchainDebianMinGW.cmake
new file mode 100644
index 0000000..19f6ff1
--- /dev/null
+++ b/ToolchainDebianMinGW.cmake
@@ -0,0 +1,13 @@
+set (CMAKE_SYSTEM_NAME "Windows")
+set (CMAKE_SYSTEM_PROCESSOR "x86")
+
+set (CMAKE_C_COMPILER "i586-mingw32msvc-gcc")
+set (CMAKE_CXX_COMPILER "i586-mingw32msvc-g++")
+set (CMAKE_RC_COMPILER "i586-mingw32msvc-windres")
+
+set (CMAKE_FIND_ROOT_PATH "/usr/i586-mingw32msvc")
+
+set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+
diff --git a/ToolchainDebianMinGWW64.cmake b/ToolchainDebianMinGWW64.cmake
new file mode 100644
index 0000000..a1f4378
--- /dev/null
+++ b/ToolchainDebianMinGWW64.cmake
@@ -0,0 +1,13 @@
+set (CMAKE_SYSTEM_NAME "Windows")
+set (CMAKE_SYSTEM_PROCESSOR "x86")
+
+set (CMAKE_C_COMPILER "i686-w64-mingw32-gcc")
+set (CMAKE_CXX_COMPILER "i686-w64-mingw32-g++")
+set (CMAKE_RC_COMPILER "i686-w64-mingw32-windres")
+
+set (CMAKE_FIND_ROOT_PATH "/usr/i686-w64-mingw32")
+
+set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+
diff --git a/Win32Depends.cmake b/Win32Depends.cmake
index c22cf4c..f51667e 100644
--- a/Win32Depends.cmake
+++ b/Win32Depends.cmake
@@ -21,7 +21,7 @@ endif (files)
 set (pkg_list "7za" "gtk" "winlibs" "mingw_lua")
 
 set (pkg_7za_root "http://sourceforge.net/projects/sevenzip/files")
-set (pkg_7za_urls "${pkg_7z_root}/7-Zip/9.20/7za920.zip")
+set (pkg_7za_urls "${pkg_7za_root}/7-Zip/9.20/7za920.zip")
 set (pkg_7za_md5 "2fac454a90ae96021f4ffc607d4c00f8")
 
 set (pkg_gtk_root "http://ftp.gnome.org/pub/gnome/binaries/win32")
@@ -81,7 +81,11 @@ foreach (pkg_set ${pkg_list})
 endforeach (pkg_set)
 
 if (NOT WIN32)
-	message (FATAL_ERROR "Must run on Windows to extract packages; aborting")
+	unset (sevenzip_executable)
+	find_program (sevenzip_executable 7za)
+	if (NOT sevenzip_executable)
+		message (FATAL_ERROR "Could not find 7za (part of p7zip)")
+	endif (NOT sevenzip_executable)
 endif (NOT WIN32)
 
 # Stage 2: setup 7za first
@@ -104,7 +108,7 @@ file (COPY ${tmp_dir}/7za.exe DESTINATION ${tools_dir})
 file (REMOVE_RECURSE ${tmp_dir})
 list (REMOVE_ITEM pkg_list "7za")
 
-# Stage 4: extract the rest of packages
+# Stage 3: extract the rest of packages
 foreach (pkg_set ${pkg_list})
 	foreach (url ${pkg_${pkg_set}_urls})
 		get_filename_component (filename ${url} NAME)
@@ -139,6 +143,6 @@ foreach (pkg_set ${pkg_list})
 	endforeach (url)
 endforeach (pkg_set)
 
-# Stage 5: final touches
+# Stage 4: final touches
 file (WRITE ${working_dir}/etc/gtk-2.0/gtkrc
 	"gtk-theme-name = \"MS-Windows\"")
-- 
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