open62541/tools/cmake/Toolchain-mingw64.cmake

# the name of the target operating system
set(CMAKE_SYSTEM_NAME Windows)

#remove the runtime dependency for libgcc_s_sjlj-1.dll
set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -static-libgcc")

# Which compilers to use for C and C++, and location of target
# environment.
if(EXISTS /usr/x86_64-w64-mingw32)
# First look in standard location as used by Debian/Ubuntu/etc.
set(CMAKE_STRIP x86_64-w64-mingw32-strip)
set(CMAKE_C_COMPILER x86_64-w64-mingw32-gcc)
set(CMAKE_CXX_COMPILER x86_64-w64-mingw32-g++)
set(CMAKE_RC_COMPILER x86_64-w64-mingw32-windres)
set(CMAKE_AR:FILEPATH /usr/bin/x86_64-w64-mingw32-ar)
set(CMAKE_FIND_ROOT_PATH /usr/x86_64-w64-mingw32)
elseif(EXISTS /usr/i586-mingw32msvc)
# Else fill in local path which the user will likely adjust.
set(CMAKE_STRIP /usr/local/cross-tools/bin/i386-mingw32-strip)
set(CMAKE_C_COMPILER /usr/local/cross-tools/bin/i386-mingw32-gcc)
set(CMAKE_CXX_COMPILER /usr/local/cross-tools/bin/i386-mingw32-g++)
set(CMAKE_RC_COMPILER /usr/local/cross-tools/bin/i386-mingw32-windres)
set(CMAKE_FIND_ROOT_PATH /usr/local/cross-tools)
endif() 

# Adjust the default behaviour of the FIND_XXX() commands:
# search headers and libraries in the target environment, search
# programs in the 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)
# Tell pkg-config not to look at the target environment's .pc files.
# Setting PKG_CONFIG_LIBDIR sets the default search directory, but we have to
# set PKG_CONFIG_PATH as well to prevent pkg-config falling back to the host's
# path.
set(ENV{PKG_CONFIG_LIBDIR} ${CMAKE_FIND_ROOT_PATH}/lib/pkgconfig)
set(ENV{PKG_CONFIG_PATH} ${CMAKE_FIND_ROOT_PATH}/lib/pkgconfig)
set(ENV{MINGDIR} ${CMAKE_FIND_ROOT_PATH})