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ENH: Improved default choice of -64 compiler/linker flags based on how cmake was built.

This commit is contained in:
Brad King 2003-08-19 10:50:08 -04:00
parent aef3ca6df8
commit 5e21538ebd
1 changed files with 28 additions and 3 deletions
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31
Modules/Platform/IRIX64.cmake
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@ -4,15 +4,40 @@ SET(CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS "-shared -rdata_shared")
SET(CMAKE_SHARED_LIBRARY_RUNTIME_FLAG "-Wl,-rpath,") # -rpath
SET(CMAKE_SHARED_LIBRARY_RUNTIME_FLAG_SEP "") # : or empty
IF(NOT CMAKE_COMPILER_IS_GNUCXX)
# Set default flags init.
SET(CMAKE_C_FLAGS_INIT "")
SET(CMAKE_CXX_FLAGS_INIT "")
SET(CMAKE_EXE_LINKER_FLAGS_INIT "")
SET(CMAKE_SHARED_LINKER_FLAGS_INIT "")
SET(CMAKE_MODULE_LINKER_FLAGS_INIT "")
# If no -o32, -n32, or -64 flag is given, set a reasonable default.
IF("$ENV{CFLAGS} $ENV{CXXFLAGS} $ENV{LDFLAGS}" MATCHES "-([no]32|64)")
ELSE("$ENV{CFLAGS} $ENV{CXXFLAGS} $ENV{LDFLAGS}" MATCHES "-([no]32|64)")
# Check if this is a 64-bit CMake.
IF(CMAKE_FILE_SELF MATCHES "^CMAKE_FILE_SELF$")
EXEC_PROGRAM(file ARGS ${CMAKE_COMMAND} OUTPUT_VARIABLE CMAKE_FILE_SELF)
SET(CMAKE_FILE_SELF "${CMAKE_FILE_SELF}" CACHE INTERNAL
"Output of file command on ${CMAKE_COMMAND}.")
ENDIF(CMAKE_FILE_SELF MATCHES "^CMAKE_FILE_SELF$")
# Set initial flags to match cmake executable.
IF(CMAKE_FILE_SELF MATCHES " 64-bit ")
SET(CMAKE_C_FLAGS_INIT "-64")
SET(CMAKE_CXX_FLAGS_INIT "-64")
SET(CMAKE_EXE_LINKER_FLAGS_INIT "-64")
SET(CMAKE_SHARED_LINKER_FLAGS_INIT "-64")
SET(CMAKE_MODULE_LINKER_FLAGS_INIT "-64")
ENDIF(CMAKE_FILE_SELF MATCHES " 64-bit ")
ENDIF("$ENV{CFLAGS} $ENV{CXXFLAGS} $ENV{LDFLAGS}" MATCHES "-([no]32|64)")
# Set remaining defaults.
SET(CMAKE_CXX_CREATE_STATIC_LIBRARY
"<CMAKE_CXX_COMPILER> -ar -o <TARGET> <OBJECTS>")
SET (CMAKE_CXX_FLAGS_INIT "")
SET (CMAKE_CXX_FLAGS_DEBUG_INIT "-g")
SET (CMAKE_CXX_FLAGS_MINSIZEREL_INIT "-O3")
SET (CMAKE_CXX_FLAGS_RELEASE_INIT "-O2")
SET (CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "-O2")
SET (CMAKE_C_FLAGS_INIT "")
ELSE(NOT CMAKE_COMPILER_IS_GNUCXX)
INCLUDE(${CMAKE_ROOT}/Modules/Platform/gcc.cmake)
ENDIF(NOT CMAKE_COMPILER_IS_GNUCXX)