# Sample toolchain file for building for Windows from an Ubuntu 20.04 Linux system.
#
# Typical usage:
#    *) install cross compiler: `sudo apt-get install mingw-w64`
#    *) install zlib for mingw: sudo apt install libz-mingw-w64-dev
#    *) mkdir buildMinGWRelease && cd buildMinGWRelease
#    *) cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE=../cmake/toolchain/Ubuntu20_04_mingw-w64-x86_64.cmake 
#        -DEXIV2_ENABLE_XMP=OFF -DEXIV2_TEAM_EXTRA_WARNINGS=ON 

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

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

# target environment on the build host system
set(CMAKE_FIND_ROOT_PATH /usr/${TOOLCHAIN_PREFIX})

# modify default behavior of FIND_XXX() commands
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)