From 59b3d68b3324037ab4a74d48dc4699c5ce272f26 Mon Sep 17 00:00:00 2001
From: Faerbit <faerbit@gmail.com>
Date: Mon, 24 Nov 2014 02:10:25 +0100
Subject: [PATCH] Enabling cross compiling if supported by the current system.

---
 CMakeLists.txt | 17 ++++++++++++-----
 build.sh       | 11 +++++++++--
 2 files changed, 21 insertions(+), 7 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2b34054..221221e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -118,11 +118,18 @@ FILE(GLOB_RECURSE HEADER_FILES_BULLET ${CMAKE_SOURCE_DIR}/extern/bullet/src/*.h)
 INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/extern/bullet/src)
 SET(HEADER_FILES ${HEADER_FILES} ${HEADER_FILES_BULLET})
 
-
-SET (LIBRARIES ${LIBRARIES} ${CMAKE_SOURCE_DIR}/extern/bullet/build/src/BulletDynamics/libBulletDynamics.a)
-SET (LIBRARIES ${LIBRARIES} ${CMAKE_SOURCE_DIR}/extern/bullet/build/src/BulletCollision/libBulletCollision.a)
-SET (LIBRARIES ${LIBRARIES} ${CMAKE_SOURCE_DIR}/extern/bullet/build/src/LinearMath/libLinearMath.a)
-SET (LIBRARIES ${LIBRARIES} ${CMAKE_SOURCE_DIR}/extern/bullet/build/src/BulletSoftBody/libBulletSoftBody.a)
+if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
+    SET (LIBRARIES ${LIBRARIES} ${CMAKE_SOURCE_DIR}/extern/bullet/build/lib/libBulletDynamics.a)
+    SET (LIBRARIES ${LIBRARIES} ${CMAKE_SOURCE_DIR}/extern/bullet/build/lib/libBulletCollision.a)
+    SET (LIBRARIES ${LIBRARIES} ${CMAKE_SOURCE_DIR}/extern/bullet/build/lib/libLinearMath.a)
+    SET (LIBRARIES ${LIBRARIES} ${CMAKE_SOURCE_DIR}/extern/bullet/build/lib/libBulletSoftBody.a)
+    SET (LIBRARIES -static ${LIBRARIES} -static-libgcc -static-libstdc++)
+else()
+    SET (LIBRARIES ${LIBRARIES} ${CMAKE_SOURCE_DIR}/extern/bullet/build/src/BulletDynamics/libBulletDynamics.a)
+    SET (LIBRARIES ${LIBRARIES} ${CMAKE_SOURCE_DIR}/extern/bullet/build/src/BulletCollision/libBulletCollision.a)
+    SET (LIBRARIES ${LIBRARIES} ${CMAKE_SOURCE_DIR}/extern/bullet/build/src/LinearMath/libLinearMath.a)
+    SET (LIBRARIES ${LIBRARIES} ${CMAKE_SOURCE_DIR}/extern/bullet/build/src/BulletSoftBody/libBulletSoftBody.a)
+endif()
 
 
 ADD_EXECUTABLE(${CMAKE_PROJECT_NAME} ${SOURCE_FILES} ${HEADER_FILES} ${SHADER_FILES} ${README_FILES})
diff --git a/build.sh b/build.sh
index 0758a4e..0109ee3 100755
--- a/build.sh
+++ b/build.sh
@@ -8,6 +8,13 @@ then
     exit
 fi
 
+cmake="cmake"
+
+if [[ $1 == "windows" ]]
+then
+    cmake=x86_64-w64-mingw32-cmake
+fi
+
 currentDir=$(pwd)
 threads=$(($(nproc)+1))
 
@@ -16,7 +23,7 @@ threads=$(($(nproc)+1))
 cd extern/bullet/
 mkdir -p build
 cd build
-cmake -DBUILD_DEMOS=0 -DBUILD_EXTRAS=0 -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=0 ..
+$cmake -DBUILD_DEMOS=0 -DBUILD_EXTRAS=0 -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=0 ..
 make -j$threads
 
 cd $currentDir
@@ -25,5 +32,5 @@ cd $currentDir
 
 mkdir -p build
 cd build 
-cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=0 ..
+$cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=0 ..
 make -j$threads