Lemma/CMake/Mingw-Cross.cmake

# Sample toolchain file for building for Windows from an Ubuntu Linux system.
#
# Typical usage:
#    *) install cross compiler: `sudo apt-get install mingw-w64 g++-mingw-w64`
#    *) cd build
#    *) cmake -DCMAKE_TOOLCHAIN_FILE=~/Mingw-Cross.cmake ..

set(CMAKE_SYSTEM_NAME Windows)
set(CMAKE_SYSTEM Windows)
set(TOOLCHAIN_PREFIX x86_64-w64-mingw32)

option (CMAKE_CROSSCOMPILING "Target different arch than you are on" ON)
SET(CMAKE_CROSSCOMPILING ON)

# cross compilers to use for C and C++
set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}-gcc)
set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-g++)
set(CMAKE_RC_COMPILER ${TOOLCHAIN_PREFIX}-windres)

# target environment on the build host system
#   set 1st to dir with the cross compiler's C/C++ headers/libs
set(CMAKE_FIND_ROOT_PATH /usr/${TOOLCHAIN_PREFIX})

# modify default behavior of FIND_XXX() commands to
# search for headers/libs in the target environment and
# search for programs in the build 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 )
set( CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY )

set( CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "" )
set( CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "" )

#set_target_properties(icarus PROPERTIES LINK_SEARCH_START_STATIC 1)
#set_target_properties(icarus PROPERTIES LINK_SEARCH_END_STATIC 1)
#set(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
#Static Libs
#Set Linker flags
set(CMAKE_EXE_LINKER_FLAGS "-static-libgcc -static-libstdc++")