-if(NOT ARCH)
- set(ARCH i386)
-endif()
+macro(require_program varname execname)
+ find_program(${varname} ${execname})
+ if(NOT ${varname})
+ message(FATAL_ERROR "${execname} not found")
+ endif()
+endmacro()
+
+# pass variables necessary for the toolchain (needed for try_compile)
+set(CMAKE_TRY_COMPILE_PLATFORM_VARIABLES ARCH)
# Choose the right MinGW toolchain prefix
-if (NOT DEFINED MINGW_TOOLCHAIN_PREFIX)
+if(NOT DEFINED MINGW_TOOLCHAIN_PREFIX)
if(ARCH STREQUAL "i386")
- if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
+ if(CMAKE_HOST_WIN32)
set(MINGW_TOOLCHAIN_PREFIX "" CACHE STRING "MinGW Toolchain Prefix")
else()
- if(NOT $ENV{_ROSBE_VERSION} VERSION_LESS 2.1)
- set(MINGW_TOOLCHAIN_PREFIX "i686-w64-mingw32-" CACHE STRING "MinGW-W64 Toolchain Prefix")
- else()
- set(MINGW_TOOLCHAIN_PREFIX "mingw32-" CACHE STRING "MinGW Toolchain Prefix")
- endif()
+ set(MINGW_TOOLCHAIN_PREFIX "i686-w64-mingw32-" CACHE STRING "MinGW-W64 Toolchain Prefix")
endif()
elseif(ARCH STREQUAL "amd64")
endif()
endif()
-if (NOT DEFINED MINGW_TOOLCHAIN_SUFFIX)
+if(NOT DEFINED MINGW_TOOLCHAIN_SUFFIX)
set(MINGW_TOOLCHAIN_SUFFIX "" CACHE STRING "MinGW Toolchain Suffix")
endif()
-if(ENABLE_CCACHE)
- set(CCACHE "ccache" CACHE STRING "ccache")
-else()
- set(CCACHE "" CACHE STRING "ccache")
-endif()
-
# The name of the target operating system
set(CMAKE_SYSTEM_NAME Windows)
set(CMAKE_SYSTEM_PROCESSOR i686)
# Which tools to use
-set(CMAKE_C_COMPILER ${MINGW_TOOLCHAIN_PREFIX}gcc${MINGW_TOOLCHAIN_SUFFIX})
-set(CMAKE_CXX_COMPILER ${MINGW_TOOLCHAIN_PREFIX}g++${MINGW_TOOLCHAIN_SUFFIX})
-set(CMAKE_ASM_COMPILER ${MINGW_TOOLCHAIN_PREFIX}gcc${MINGW_TOOLCHAIN_SUFFIX})
+require_program(CMAKE_C_COMPILER ${MINGW_TOOLCHAIN_PREFIX}gcc${MINGW_TOOLCHAIN_SUFFIX})
+require_program(CMAKE_CXX_COMPILER ${MINGW_TOOLCHAIN_PREFIX}g++${MINGW_TOOLCHAIN_SUFFIX})
+require_program(CMAKE_ASM_COMPILER ${MINGW_TOOLCHAIN_PREFIX}gcc${MINGW_TOOLCHAIN_SUFFIX})
set(CMAKE_ASM_COMPILER_ID "GNU")
-set(CMAKE_MC_COMPILER ${MINGW_TOOLCHAIN_PREFIX}windmc)
-set(CMAKE_RC_COMPILER ${MINGW_TOOLCHAIN_PREFIX}windres)
-set(CMAKE_DLLTOOL ${MINGW_TOOLCHAIN_PREFIX}dlltool)
+require_program(CMAKE_MC_COMPILER ${MINGW_TOOLCHAIN_PREFIX}windmc)
+require_program(CMAKE_RC_COMPILER ${MINGW_TOOLCHAIN_PREFIX}windres)
+require_program(CMAKE_DLLTOOL ${MINGW_TOOLCHAIN_PREFIX}dlltool)
+#set(CMAKE_AR ${MINGW_TOOLCHAIN_PREFIX}gcc-ar${MINGW_TOOLCHAIN_SUFFIX})
+require_program(CMAKE_OBJCOPY ${MINGW_TOOLCHAIN_PREFIX}objcopy)
-if(NOT CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
- set(CMAKE_C_CREATE_STATIC_LIBRARY "<CMAKE_AR> crs <TARGET> <LINK_FLAGS> <OBJECTS>")
- set(CMAKE_CXX_CREATE_STATIC_LIBRARY ${CMAKE_C_CREATE_STATIC_LIBRARY})
- set(CMAKE_ASM_CREATE_STATIC_LIBRARY ${CMAKE_C_CREATE_STATIC_LIBRARY})
-endif()
+set(CMAKE_C_CREATE_STATIC_LIBRARY "<CMAKE_AR> crT <TARGET> <LINK_FLAGS> <OBJECTS>")
+set(CMAKE_CXX_CREATE_STATIC_LIBRARY ${CMAKE_C_CREATE_STATIC_LIBRARY})
+set(CMAKE_ASM_CREATE_STATIC_LIBRARY ${CMAKE_C_CREATE_STATIC_LIBRARY})
# Don't link with anything by default unless we say so
set(CMAKE_C_STANDARD_LIBRARIES "-lgcc" CACHE STRING "Standard C Libraries")
#MARK_AS_ADVANCED(CLEAR CMAKE_CXX_STANDARD_LIBRARIES)
-set(CMAKE_CXX_STANDARD_LIBRARIES "" CACHE STRING "Standard C++ Libraries")
+set(CMAKE_CXX_STANDARD_LIBRARIES "-lgcc" CACHE STRING "Standard C++ Libraries")
+
+# This allows to have CMake test the compiler without linking
+set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
set(CMAKE_SHARED_LINKER_FLAGS_INIT "-nostdlib -Wl,--enable-auto-image-base,--disable-auto-import")
+set(CMAKE_MODULE_LINKER_FLAGS_INIT "-nostdlib -Wl,--enable-auto-image-base,--disable-auto-import")
+set(CMAKE_EXE_LINKER_FLAGS_INIT "-nostdlib -Wl,--enable-auto-image-base,--disable-auto-import")
+
+set(CMAKE_USER_MAKE_RULES_OVERRIDE "${CMAKE_CURRENT_LIST_DIR}/overrides-gcc.cmake")
# Get GCC version
execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)