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authorAlexander Neundorf <neundorf@kde.org>2007-06-28 13:14:27 (GMT)
committerAlexander Neundorf <neundorf@kde.org>2007-06-28 13:14:27 (GMT)
commit5b18b80b58a73814af8869cbfe17701156e913c3 (patch)
tree8ab1301ef8073a64ff091d7ea3a4f0e28dc56806 /Modules/CMakeDetermineASMCompiler.cmake
parent43de8c862868be38ce5ffe91edf09898ef8478cf (diff)
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ENH: initial support for assembler in cmake, needs testing by our users
Alex
Diffstat (limited to 'Modules/CMakeDetermineASMCompiler.cmake')
-rw-r--r--Modules/CMakeDetermineASMCompiler.cmake78
1 files changed, 78 insertions, 0 deletions
diff --git a/Modules/CMakeDetermineASMCompiler.cmake b/Modules/CMakeDetermineASMCompiler.cmake
new file mode 100644
index 0000000..cf6099d
--- /dev/null
+++ b/Modules/CMakeDetermineASMCompiler.cmake
@@ -0,0 +1,78 @@
+# determine the compiler to use for ASM programs
+
+IF(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER)
+ # prefer the environment variable ASM
+ IF($ENV{ASM${ASM_DIALECT}} MATCHES ".+")
+ SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT "$ENV{ASM${ASM_DIALECT}}")
+ ENDIF($ENV{ASM${ASM_DIALECT}} MATCHES ".+")
+
+ # finally list compilers to try
+ IF(CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT)
+ SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_LIST ${CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT})
+ ELSE(CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT)
+ SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_LIST ${_CMAKE_TOOLCHAIN_PREFIX}as ${_CMAKE_TOOLCHAIN_PREFIX}gas)
+ ENDIF(CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT)
+
+ # Find the compiler.
+ IF (_CMAKE_USER_CXX_COMPILER_PATH OR _CMAKE_USER_C_COMPILER_PATH)
+ FIND_PROGRAM(CMAKE_ASM${ASM_DIALECT}_COMPILER NAMES ${CMAKE_ASM${ASM_DIALECT}_COMPILER_LIST} PATHS ${_CMAKE_USER_C_COMPILER_PATH} ${_CMAKE_USER_CXX_COMPILER_PATH} DOC "Assembler" NO_DEFAULT_PATH)
+ ENDIF (_CMAKE_USER_CXX_COMPILER_PATH OR _CMAKE_USER_C_COMPILER_PATH)
+ FIND_PROGRAM(CMAKE_ASM${ASM_DIALECT}_COMPILER NAMES ${CMAKE_ASM${ASM_DIALECT}_COMPILER_LIST} DOC "Assembler")
+
+ELSE(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER)
+
+ # we only get here if CMAKE_C_COMPILER was specified using -D or a pre-made CMakeCache.txt
+ # (e.g. via ctest) or set in CMAKE_TOOLCHAIN_FILE
+ #
+ # if a compiler was specified by the user but without path,
+ # now try to find it with the full path
+ # if it is found, force it into the cache,
+ # if not, don't overwrite the setting (which was given by the user) with "NOTFOUND"
+ # if the C compiler already had a path, reuse it for searching the CXX compiler
+ GET_FILENAME_COMPONENT(_CMAKE_USER_ASM_COMPILER_PATH "${CMAKE_ASM${ASM_DIALECT}_COMPILER}" PATH)
+ IF(NOT _CMAKE_USER_ASM_COMPILER_PATH)
+ FIND_PROGRAM(CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH NAMES ${CMAKE_ASM${ASM_DIALECT}_COMPILER})
+ MARK_AS_ADVANCED(CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH)
+ IF(CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH)
+ SET(CMAKE_ASM${ASM_DIALECT}_COMPILER ${CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH} CACHE FILEPATH "Assembler" FORCE)
+ ENDIF(CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH)
+ ENDIF(NOT _CMAKE_USER_ASM${ASM_DIALECT}_COMPILER_PATH)
+ENDIF(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER)
+MARK_AS_ADVANCED(CMAKE_ASM${ASM_DIALECT}_COMPILER)
+
+IF (NOT _CMAKE_TOOLCHAIN_LOCATION)
+ GET_FILENAME_COMPONENT(_CMAKE_TOOLCHAIN_LOCATION "${CMAKE_ASM${ASM_DIALECT}_COMPILER}" PATH)
+ENDIF (NOT _CMAKE_TOOLCHAIN_LOCATION)
+
+# if we have a gcc cross compiler, they have usually some prefix, like
+# e.g. powerpc-linux-gcc, arm-elf-gcc or i586-mingw32msvc-gcc
+# the other tools of the toolchain usually have the same prefix
+IF (NOT _CMAKE_TOOLCHAIN_PREFIX)
+ GET_FILENAME_COMPONENT(COMPILER_BASENAME "${CMAKE_ASM${ASM_DIALECT}_COMPILER}" NAME_WE)
+ IF (COMPILER_BASENAME MATCHES "^(.+-)g?as")
+ STRING(REGEX REPLACE "^(.+-)g?as" "\\1" _CMAKE_TOOLCHAIN_PREFIX "${COMPILER_BASENAME}")
+ ENDIF (COMPILER_BASENAME MATCHES "^(.+-)g?as")
+ENDIF (NOT _CMAKE_TOOLCHAIN_PREFIX)
+
+INCLUDE(CMakeFindBinUtils)
+
+SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ENV_VAR "ASM")
+
+IF(CMAKE_ASM${ASM_DIALECT}_COMPILER)
+ MESSAGE(STATUS "Found assembler: ${CMAKE_ASM${ASM_DIALECT}_COMPILER}")
+ELSE(CMAKE_ASM${ASM_DIALECT}_COMPILER)
+ MESSAGE(STATUS "Didn't find assembler")
+ENDIF(CMAKE_ASM${ASM_DIALECT}_COMPILER)
+
+
+SET(_CMAKE_ASM_COMPILER "${CMAKE_ASM${ASM_DIALECT}_COMPILER}")
+SET(_CMAKE_ASM_COMPILER_ARG1 "${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARG1}")
+SET(_CMAKE_ASM_COMPILER_ENV_VAR "${CMAKE_ASM${ASM_DIALECT}_COMPILER_ENV_VAR}")
+
+# configure variables set in this file for fast reload later on
+CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CMakeASMCompiler.cmake.in
+ ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeASM${ASM_DIALECT}Compiler.cmake IMMEDIATE @ONLY)
+
+SET(_CMAKE_ASM_COMPILER)
+SET(_CMAKE_ASM_COMPILER_ARG1)
+SET(_CMAKE_ASM_COMPILER_ENV_VAR)