diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 9e29dab59..3b360d38a 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -65,6 +65,21 @@ option(BOOST_IGNORE_SYSTEM_PATHS "Ignore boost system paths for local boost inst set_property(GLOBAL PROPERTY USE_FOLDERS ON) enable_testing() +# Check whether we're on a 32-bit or 64-bit system +if(CMAKE_SIZEOF_VOID_P EQUAL "8") + set(DEFAULT_BUILD_64 ON) +else() + set(DEFAULT_BUILD_64 OFF) +endif() +option(BUILD_64 "Build for 64-bit? 'OFF' builds for 32-bit." ${DEFAULT_BUILD_64}) + +if(BUILD_64) + set(ARCH_WIDTH "64") +else() + set(ARCH_WIDTH "32") +endif() +message(STATUS "Building for a ${ARCH_WIDTH}-bit system") + # Check if we're on FreeBSD so we can exclude the local miniupnpc (it should be installed from ports instead) # CMAKE_SYSTEM_NAME checks are commonly known, but specifically taken from libsdl's CMakeLists if(CMAKE_SYSTEM_NAME MATCHES "kFreeBSD.*") @@ -96,16 +111,16 @@ endif() option(STATIC "Link libraries statically" ${DEFAULT_STATIC}) if(MINGW) - get_filename_component(msys2_install_path "[HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\MSYS2 64bit;InstallLocation]" ABSOLUTE) - set(CMAKE_INCLUDE_PATH "${msys2_install_path}/mingw64/include") + get_filename_component(msys2_install_path "[HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\MSYS2 ${ARCH_WIDTH}bit;InstallLocation]" ABSOLUTE) + set(CMAKE_INCLUDE_PATH "${msys2_install_path}/mingw${ARCH_WIDTH}/include") # This is necessary because otherwise CMake will make Boost libraries -lfoo # rather than a full path. Unfortunately, this makes the shared libraries get # linked due to a bug in CMake which misses putting -static flags around the # -lfoo arguments. list(REMOVE_ITEM CMAKE_C_IMPLICIT_LINK_DIRECTORIES - "${msys2_install_path}/mingw64/lib") + "${msys2_install_path}/mingw${ARCH_WIDTH}/lib") list(REMOVE_ITEM CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES - "${msys2_install_path}/mingw64/lib") + "${msys2_install_path}/mingw${ARCH_WIDTH}/lib") endif() if(STATIC) |