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Detect a COMPILER_ID also for ASM.

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For assembler, the "compiler ID" cannot be detected by "compiling" a
source file, since there is not source file all assemblers understand.
Instead the function CMAKE_DETERMINE_COMPILER_ID_VENDOR() is used to
run the assembler and check its output.
For this the CMAKE_DETERMINE_COMPILER_ID_VENDOR() function had to be
extended so that it creates the run directory if it doesn't exist yet.

In CMakeASMInformation.cmake now also CMAKE_ASM_COMPILER_ID is used
(but there are no such files yet, will come with the support for the
IAR toolchain).

Alex
This commit is contained in:
Alex Neundorf 2010-08-15 16:36:38 +02:00
parent 691fc2baa8
commit b333779e34
3 changed files with 45 additions and 8 deletions
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23
Modules/CMakeASMInformation.cmake
View File

@ -28,18 +28,25 @@ IF("${CMAKE_BASE_NAME}" STREQUAL "as")
SET(CMAKE_BASE_NAME gas)
ENDIF("${CMAKE_BASE_NAME}" STREQUAL "as")
INCLUDE(Platform/${CMAKE_BASE_NAME} OPTIONAL)
IF(CMAKE_SYSTEM_PROCESSOR)
INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_BASE_NAME}-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
ENDIF(CMAKE_SYSTEM_PROCESSOR)
# Load compiler-specific information.
SET(_INCLUDED_FILE "")
IF(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
INCLUDE(Compiler/${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID}-ASM${ASM_DIALECT} OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
ENDIF(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
IF(NOT _INCLUDED_FILE)
INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_C_COMPILER_ID}-ASM-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL)
INCLUDE(Platform/${CMAKE_BASE_NAME} OPTIONAL)
ENDIF(NOT _INCLUDED_FILE)
INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_BASE_NAME} OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
IF(CMAKE_SYSTEM_PROCESSOR)
INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID}-ASM${ASM_DIALECT}-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
IF(NOT _INCLUDED_FILE)
INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_BASE_NAME}-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL)
ENDIF(NOT _INCLUDED_FILE)
ENDIF(CMAKE_SYSTEM_PROCESSOR)
INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID}-ASM${ASM_DIALECT} OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
IF(NOT _INCLUDED_FILE)
INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_C_COMPILER_ID}-ASM OPTIONAL)
INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_BASE_NAME} OPTIONAL)
ENDIF(NOT _INCLUDED_FILE)
# Set default assembler file extensions:

19
Modules/CMakeDetermineASMCompiler.cmake
View File

@ -57,6 +57,25 @@ IF (NOT _CMAKE_TOOLCHAIN_LOCATION)
GET_FILENAME_COMPONENT(_CMAKE_TOOLCHAIN_LOCATION "${CMAKE_ASM${ASM_DIALECT}_COMPILER}" PATH)
ENDIF (NOT _CMAKE_TOOLCHAIN_LOCATION)
IF(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
# Table of per-vendor compiler id flags with expected output.
LIST(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS GNU )
SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_GNU "--version")
SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_GNU "GNU assembler")
CMAKE_DETERMINE_COMPILER_ID_VENDOR(ASM${ASM_DIALECT})
IF(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
MESSAGE(STATUS "The ASM${ASM_DIALECT} compiler identification is ${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID}")
ELSE(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
MESSAGE(STATUS "The ASM${ASM_DIALECT} compiler identification is unknown")
ENDIF(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
ENDIF()
# If we have a gas/as cross compiler, they have usually some prefix, like
# e.g. powerpc-linux-gas, arm-elf-gas or i586-mingw32msvc-gas .
# The other tools of the toolchain usually have the same prefix

11
Modules/CMakeDetermineCompilerId.cmake
View File

@ -261,6 +261,17 @@ ENDFUNCTION(CMAKE_DETERMINE_COMPILER_ID_CHECK lang)
# We try running the compiler with the flag for each vendor and
# matching its regular expression in the output.
FUNCTION(CMAKE_DETERMINE_COMPILER_ID_VENDOR lang)
IF(NOT CMAKE_${lang}_COMPILER_ID_DIR)
# We get here when this function is called not from within CMAKE_DETERMINE_COMPILER_ID()
# This is done e.g. for detecting the compiler ID for assemblers.
# Compute the directory in which to run the test and Create a clean working directory.
SET(CMAKE_${lang}_COMPILER_ID_DIR ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CompilerId${lang})
FILE(REMOVE_RECURSE ${CMAKE_${lang}_COMPILER_ID_DIR})
FILE(MAKE_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR})
ENDIF(NOT CMAKE_${lang}_COMPILER_ID_DIR)
FOREACH(vendor ${CMAKE_${lang}_COMPILER_ID_VENDORS})
SET(flags ${CMAKE_${lang}_COMPILER_ID_VENDOR_FLAGS_${vendor}})
SET(regex ${CMAKE_${lang}_COMPILER_ID_VENDOR_REGEX_${vendor}})