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Clang: Add separate "AppleClang" compiler id 

Apple distributes their own Clang build with their own version numbers
that differ from upstream Clang.  Use the __apple_build_version__ symbol
to identify the Apple Clang compiler and report the Apple Build Version
as the fourth version component in CMAKE_<LANG>_COMPILER_VERSION.  Add
Compiler/AppleClang-<lang> and Platform/Darwin-AppleClang-<lang> modules
that simply include the upstream equivalents.

Fix comparisons of CMAKE_<LANG>_COMPILER_ID to Clang in CMake's own
source and tests to account for AppleClang.
This commit is contained in:
Brad King 2013-10-02 13:52:48 -04:00
parent 904ff9fe59
commit ab65862417
11 changed files with 21 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
Modules/CMakeCCompilerId.c.in
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@ -29,7 +29,12 @@
# endif
#elif defined(__clang__)
# define COMPILER_ID "Clang"
# if defined(__apple_build_version__)
# define COMPILER_ID "AppleClang"
# define COMPILER_VERSION_TWEAK DEC(__apple_build_version__)
# else
# define COMPILER_ID "Clang"
# endif
# define COMPILER_VERSION_MAJOR DEC(__clang_major__)
# define COMPILER_VERSION_MINOR DEC(__clang_minor__)
# define COMPILER_VERSION_PATCH DEC(__clang_patchlevel__)

7
Modules/CMakeCXXCompilerId.cpp.in
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@ -34,7 +34,12 @@
# endif
#elif defined(__clang__)
# define COMPILER_ID "Clang"
# if defined(__apple_build_version__)
# define COMPILER_ID "AppleClang"
# define COMPILER_VERSION_TWEAK DEC(__apple_build_version__)
# else
# define COMPILER_ID "Clang"
# endif
# define COMPILER_VERSION_MAJOR DEC(__clang_major__)
# define COMPILER_VERSION_MINOR DEC(__clang_minor__)
# define COMPILER_VERSION_PATCH DEC(__clang_patchlevel__)

1
Modules/Compiler/AppleClang-ASM.cmake Normal file
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@ -0,0 +1 @@
include(Compiler/Clang-ASM)

1
Modules/Compiler/AppleClang-C.cmake Normal file
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@ -0,0 +1 @@
include(Compiler/Clang-C)

1
Modules/Compiler/AppleClang-CXX.cmake Normal file
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@ -0,0 +1 @@
include(Compiler/Clang-CXX)

1
Modules/Platform/Darwin-AppleClang-C.cmake Normal file
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@ -0,0 +1 @@
include(Platform/Darwin-Clang-C)

1
Modules/Platform/Darwin-AppleClang-CXX.cmake Normal file
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@ -0,0 +1 @@
include(Platform/Darwin-Clang-CXX)

1
Source/cmDocumentVariables.cxx
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@ -1606,6 +1606,7 @@ void cmDocumentVariables::DefineVariables(cmake* cm)
"Possible values include:\n"
" Absoft = Absoft Fortran (absoft.com)\n"
" ADSP = Analog VisualDSP++ (analog.com)\n"
" AppleClang = Apple Clang (apple.com)\n"
" Clang = LLVM Clang (clang.llvm.org)\n"
" Cray = Cray Compiler (cray.com)\n"
" Embarcadero, Borland = Embarcadero (embarcadero.com)\n"

2
Tests/Assembler/CMakeLists.txt
View File

@ -9,7 +9,7 @@ set(SRCS)
# and also generate assembler files from C:
if("${CMAKE_GENERATOR}" MATCHES "Makefile|Xcode" AND
NOT CMAKE_OSX_ARCHITECTURES)
if(("${CMAKE_C_COMPILER_ID}" MATCHES "^(GNU|Clang|HP|SunPro|XL)$") OR ("${CMAKE_C_COMPILER_ID}" STREQUAL "Intel" AND UNIX))
if(("${CMAKE_C_COMPILER_ID}" MATCHES "^(GNU|Clang|AppleClang|HP|SunPro|XL)$") OR ("${CMAKE_C_COMPILER_ID}" STREQUAL "Intel" AND UNIX))
set(C_FLAGS "${CMAKE_C_FLAGS}")
separate_arguments(C_FLAGS)
if(CMAKE_OSX_SYSROOT AND CMAKE_C_SYSROOT_FLAG AND NOT ";${C_FLAGS};" MATCHES ";${CMAKE_C_SYSROOT_FLAG};")

2
Tests/IncludeDirectories/CMakeLists.txt
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@ -2,7 +2,7 @@ cmake_minimum_required (VERSION 2.6)
project(IncludeDirectories)
if (((CMAKE_C_COMPILER_ID STREQUAL GNU AND CMAKE_C_COMPILER_VERSION VERSION_GREATER 4.4)
OR CMAKE_C_COMPILER_ID STREQUAL Clang)
OR CMAKE_C_COMPILER_ID STREQUAL Clang OR CMAKE_C_COMPILER_ID STREQUAL AppleClang)
AND (CMAKE_GENERATOR STREQUAL "Unix Makefiles" OR CMAKE_GENERATOR STREQUAL "Ninja"))
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag(-Wunused-variable run_sys_includes_test)

2
Utilities/cmlibarchive/CMakeLists.txt
View File

@ -56,7 +56,7 @@ SET(CMAKE_REQUIRED_FLAGS)
# Disable warnings to avoid changing 3rd party code.
IF("${CMAKE_C_COMPILER_ID}" MATCHES
"^(GNU|Clang|XL|VisualAge|SunPro|MIPSpro|HP|Intel)$")
"^(GNU|Clang|AppleClang|XL|VisualAge|SunPro|MIPSpro|HP|Intel)$")
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w")
ELSEIF("${CMAKE_C_COMPILER_ID}" MATCHES "^(PathScale)$")
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -woffall")