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CMake: fix CHECK_OBJC_SOURCE_COMPILES to work with GCC (thanks, Ivan!). 

Apparently -ObjC works with Clang, but -x objective-c works with both.

Fixes Bugzilla #2392.
This commit is contained in:
Ryan C. Gordon 2015-04-07 20:01:43 -04:00
parent 684f9e9603
commit 5b6e064acd
1 changed files with 1 additions and 1 deletions
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2
cmake/macros.cmake
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@ -66,7 +66,7 @@ endmacro()
macro(CHECK_OBJC_SOURCE_COMPILES SOURCE VAR) macro(CHECK_OBJC_SOURCE_COMPILES SOURCE VAR)
set(PREV_REQUIRED_DEFS "${CMAKE_REQUIRED_DEFINITIONS}") set(PREV_REQUIRED_DEFS "${CMAKE_REQUIRED_DEFINITIONS}")
set(CMAKE_REQUIRED_DEFINITIONS "-ObjC ${PREV_REQUIRED_DEFS}") set(CMAKE_REQUIRED_DEFINITIONS "-x objective-c ${PREV_REQUIRED_DEFS}")
CHECK_C_SOURCE_COMPILES(${SOURCE} ${VAR}) CHECK_C_SOURCE_COMPILES(${SOURCE} ${VAR})
set(CMAKE_REQUIRED_DEFINITIONS "${PREV_REQUIRED_DEFS}") set(CMAKE_REQUIRED_DEFINITIONS "${PREV_REQUIRED_DEFS}")
endmacro() endmacro()