Added support for cross-compiling Urho3D for Windows on Linux systems.

Source/CMake/Toolchains/mingw.toolchain.cmake

@@ -0,0 +1,40 @@
+#
+# Copyright (c) 2008-2014 the Urho3D project.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+
+# Target operating system and architecture
+set(CMAKE_SYSTEM_NAME Windows)
+set(CMAKE_SYSTEM_PROCESSOR x86)
+
+set(MINGW_PREFIX "$ENV{MINGW_PREFIX}")
+
+# C/C++ compilers
+set(CMAKE_C_COMPILER ${MINGW_PREFIX}-mingw32-gcc)
+set(CMAKE_CXX_COMPILER ${MINGW_PREFIX}-mingw32-g++)
+set(CMAKE_RC_COMPILER ${MINGW_PREFIX}-mingw32-windres)
+
+# specify the system root
+set(CMAKE_FIND_ROOT_PATH /usr/${MINGW_PREFIX}-mingw32)
+
+# only search programs, libraries, and headers in the target directories
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

cmake_gcc.sh

@@ -44,6 +44,7 @@ GENERATOR="Unix Makefiles"
 OPT=-Wno-dev    # \todo suppress policy warning (for 2.8.12 early adopters), remove this option when CMake minimum version is 2.8.12
 [ $ANDROID_NDK ] && msg "Android build" && cmake -E make_directory android-Build && cmake -E chdir android-Build cmake $OPT -G $GENERATOR -DANDROID=1 -DCMAKE_TOOLCHAIN_FILE=$TOOLCHAINS/android.toolchain.cmake -DLIBRARY_OUTPUT_PATH_ROOT=. $@ $SOURCE && post_cmake android-Build
 [ $RASPI_TOOL ] && msg "Raspberry Pi build" && cmake -E make_directory raspi-Build && cmake -E chdir raspi-Build cmake $OPT -G $GENERATOR -DRASPI=1 -DCMAKE_TOOLCHAIN_FILE=$TOOLCHAINS/raspberrypi.toolchain.cmake $@ $SOURCE && post_cmake raspi-Build
+[ $MINGW_PREFIX ] && msg "MingW build" && cmake -E make_directory mingw-Build && cmake -E chdir mingw-Build cmake $OPT -G $GENERATOR -DCMAKE_TOOLCHAIN_FILE=$TOOLCHAINS/mingw.toolchain.cmake $@ $SOURCE && post_cmake mingw-Build
 [ ! $SKIP_NATIVE ] && msg "Native build" && cmake -E make_directory Build && cmake -E chdir Build cmake $OPT -G $GENERATOR $PLATFORM $@ $SOURCE && post_cmake Build
 unset IFS