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cmake: Fix building for macOS with Xcode generator (thanks, dungaipara!). 

Fixes Bugzilla #3625.
Ryan C. Gordon 2017-08-18 18:52:25 -04:00
parent e3e6b4fd35
commit f75caa2ff6
1 changed files with 9 additions and 5 deletions
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14
CMakeLists.txt
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@ -433,11 +433,15 @@ if(USE_GCC OR USE_CLANG)
list(APPEND EXTRA_CFLAGS "-Wshadow") list(APPEND EXTRA_CFLAGS "-Wshadow")
endif() endif()
set(CMAKE_REQUIRED_FLAGS "-Wl,--no-undefined") if(APPLE)
check_c_compiler_flag("" HAVE_NO_UNDEFINED) list(APPEND EXTRA_LDFLAGS "-Wl,-undefined,error")
set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS}) else()
if(HAVE_NO_UNDEFINED) set(CMAKE_REQUIRED_FLAGS "-Wl,--no-undefined")
list(APPEND EXTRA_LDFLAGS "-Wl,--no-undefined") check_c_compiler_flag("" HAVE_NO_UNDEFINED)
set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
if(HAVE_NO_UNDEFINED)
list(APPEND EXTRA_LDFLAGS "-Wl,--no-undefined")
endif()
endif() endif()
endif() endif()