# this file only serves as toolchain file when specified so explicitly
# when building the software. from repository's root directory:
# mkdir build && cd build && cmake -DCMAKE_TOOLCHAIN_FILE=$(pwd)/../cmake/mingw-w64.cmake
# -sh 20140922

SET(CMAKE_SYSTEM_NAME Windows)
SET(CMAKE_SYSTEM_VERSION 1)

# specify the cross compiler
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)

# search for programs in the host directories
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
# don't poison with system compile-time data
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

set(CMAKE_C_FLAGS_RELEASE "-O3 -ffast-math -flto -fno-use-linker-plugin -march=i686 -mtune=prescott -msse -msse2 -mno-sse3 -mno-avx -frename-registers" CACHE STRING "" FORCE)
set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "-msse -msse2 -mno-sse3 -mno-avx -fno-use-linker-plugin -flto" CACHE STRING "" FORCE)
set(CMAKE_EXE_LINKER_FLAGS_RELEASE ${CMAKE_SHARED_LINKER_FLAGS_RELEASE})
set(CMAKE_CXX_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE} CACHE STRING "" FORCE)
set(CMAKE_BUILD_TYPE "RELEASE" CACHE STRING "" FORCE)

# these are merely for my own convenience
set(OpenCV_DIR /home/sthalik/opentrack-win32-sdk/opencv/build)
set(Qt5_DIR /home/sthalik/opentrack-win32-sdk/qt-win32-5.3.2/lib/cmake/Qt5)