diff options
| -rw-r--r-- | Modules/CMakeForceCompiler.cmake | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/Modules/CMakeForceCompiler.cmake b/Modules/CMakeForceCompiler.cmake new file mode 100644 index 0000000000..d104ad9c02 --- /dev/null +++ b/Modules/CMakeForceCompiler.cmake @@ -0,0 +1,51 @@ + +# These are macros intended to be used only when crosscompiling in the +# toolchain-file and only if the compiler is not able to link an +# executable by default (usually because they need user-specific +# linker files which describe the layout of the target memory). +# +# It offers the following macros: +# +# macro CMAKE_FORCE_SYSTEM(name version processor) +# Set CMAKE_SYSTEM_NAME, CMAKE_SYSTEM_VERSION and CMAKE_SYSTEM_PROCESSOR +# +# macro CMAKE_FORCE_C_COMPILER(compiler compiler_id sizeof_void) +# Set CMAKE_C_COMPILER to the given compiler and set CMAKE_C_COMPILER_ID +# to the given compiler_id. This Id is used by cmake to construct the filename +# of the system-compiler.cmake file. For C also the size of a void-pointer +# has to be predefined. +# +# macro CMAKE_FORCE_CXX_COMPILER(compiler compiler_id) +# The same as CMAKE_FORCE_C_COMPILER, but for CXX. Here the size of +# the void pointer is not requried. +# +# So a simple toolchain file could look like this: +# +# INCLUDE (CMakeForceCompiler) +# CMAKE_FORCE_SYSTEM ("Generic" "0.0" "hc12") +# CMAKE_FORCE_C_COMPILER (chc12 FreescaleCHC12 2) +# CMAKE_FORCE_CXX_COMPILER (chc12 FreescaleCHC12) + + +MACRO(CMAKE_FORCE_SYSTEM name version proc) + SET(CMAKE_SYSTEM_NAME "${name}") + SET(CMAKE_SYSTEM_VERSION "${version}") + SET(CMAKE_SYSTEM_PROCESSOR "${proc}") +ENDMACRO(CMAKE_FORCE_SYSTEM) + +MACRO(CMAKE_FORCE_C_COMPILER compiler id sizeof_void) + SET(CMAKE_C_COMPILER "${compiler}") + SET(CMAKE_C_COMPILER_ID_RUN TRUE) + SET(CMAKE_C_COMPILER_ID ${id}) + SET(CMAKE_C_COMPILER_WORKS TRUE) + SET(CMAKE_SIZEOF_VOID_P ${sizeof_void} CACHE STRING "sizeof void") + SET(HAVE_CMAKE_SIZEOF_VOID_P TRUE CACHE INTERNAL "have sizeof void") +ENDMACRO(CMAKE_FORCE_C_COMPILER) + +MACRO(CMAKE_FORCE_CXX_COMPILER compiler id) + SET(CMAKE_CXX_COMPILER "${compiler}") + SET(CMAKE_CXX_COMPILER_ID_RUN TRUE) + SET(CMAKE_CXX_COMPILER_ID ${id}) + SET(CMAKE_CXX_COMPILER_WORKS TRUE) +ENDMACRO(CMAKE_FORCE_CXX_COMPILER) + |