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Fix finding binutils when cross-compiling with Clang

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Since commit v3.0.0-rc1~342^2~2 (Add compiler target compile options,
2013-05-19) we use CMAKE_<LANG>_COMPILER_TARGET as the binutils prefix
when cross-compiling with Clang.  Fix the implementation to use the
compiler target as the prefix only when it is set.  Otherwise toolchain
files not using CMAKE_<LANG>_COMPILER_TARGET cause the logic to use
a prefix of just "-" and of course cannot find "-ar" or "-ld".
This commit is contained in:
Brad King 2014-09-05 11:59:35 -04:00
parent 55d6aa36a5
commit 72d6681826
2 changed files with 6 additions and 2 deletions
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2
Modules/CMakeDetermineCCompiler.cmake
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@ -136,7 +136,9 @@ if (CMAKE_CROSSCOMPILING AND NOT _CMAKE_TOOLCHAIN_PREFIX)
if (COMPILER_BASENAME MATCHES "^(.+-)(clang|g?cc)(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
elseif("${CMAKE_C_COMPILER_ID}" MATCHES "Clang")
if(CMAKE_C_COMPILER_TARGET)
set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_C_COMPILER_TARGET}-)
endif()
elseif(COMPILER_BASENAME MATCHES "qcc(\\.exe)?$")
if(CMAKE_C_COMPILER_TARGET MATCHES "gcc_nto([^_le]+)(le)?.*$")
set(_CMAKE_TOOLCHAIN_PREFIX nto${CMAKE_MATCH_1}-)

2
Modules/CMakeDetermineCXXCompiler.cmake
View File

@ -133,7 +133,9 @@ if (CMAKE_CROSSCOMPILING AND NOT _CMAKE_TOOLCHAIN_PREFIX)
if (COMPILER_BASENAME MATCHES "^(.+-)(clan)?[gc]\\+\\+(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
if(CMAKE_CXX_COMPILER_TARGET)
set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_CXX_COMPILER_TARGET}-)
endif()
elseif(COMPILER_BASENAME MATCHES "QCC(\\.exe)?$")
if(CMAKE_CXX_COMPILER_TARGET MATCHES "gcc_nto([^_le]+)(le)?.*$")
set(_CMAKE_TOOLCHAIN_PREFIX nto${CMAKE_MATCH_1}-)