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CMake/Modules/Compiler/XL-C.cmake

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Teach compiler id about VisualAge -> XL rebranding IBM rebranded its VisualAge compiler to XL starting at version 8.0. We use the compiler id "XL" for newer versions and "VisualAge" for older versions. We now also recognize the "z/OS" compiler, which is distinct from XL.
2009-08-07 18:13:07 +04:00
SET(CMAKE_C_VERBOSE_FLAG "-V")
Split XL compiler information files This moves platform-independent XL compiler flags into separate "Compiler/XL-<lang>.cmake" modules. Platform-specific flags go in "Platform/<os>-XL-<lang>.cmake" modules.
2009-09-30 17:37:35 +04:00
Add initial XL C compiler flags for safer builds This commit adds some default initial C flags for the XL compiler. The most important is "-qhalt=e" which causes the compiler to error-out on non-severe error messages. This is necessary to get try-compiles to fail when bad arguments are passed to a function.
2009-09-30 17:38:23 +04:00
# -qthreaded = Ensures that all optimizations will be thread-safe
# -qalias=noansi = Turns off type-based aliasing completely (safer optimizer)
# -qhalt=e = Halt on error messages (rather than just severe errors)
SET(CMAKE_C_FLAGS_INIT "-qthreaded -qalias=noansi -qhalt=e")
Split XL compiler information files This moves platform-independent XL compiler flags into separate "Compiler/XL-<lang>.cmake" modules. Platform-specific flags go in "Platform/<os>-XL-<lang>.cmake" modules.
2009-09-30 17:37:35 +04:00
SET(CMAKE_C_FLAGS_DEBUG_INIT "-g")
SET(CMAKE_C_FLAGS_RELEASE_INIT "-O -DNDEBUG")
SET(CMAKE_C_FLAGS_MINSIZEREL_INIT "-O -DNDEBUG")
SET(CMAKE_C_FLAGS_RELWITHDEBINFO_INIT "-g")
SET(CMAKE_C_CREATE_PREPROCESSED_SOURCE "<CMAKE_C_COMPILER> <DEFINES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
SET(CMAKE_C_CREATE_ASSEMBLY_SOURCE "<CMAKE_C_COMPILER> <DEFINES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>")