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

Fixes Bugzilla #3625.
This commit is contained in:
Ryan C. Gordon 2017-08-18 18:52:25 -04:00
parent e3e6b4fd35
commit f75caa2ff6
1 changed files with 9 additions and 5 deletions

View File

@ -433,11 +433,15 @@ if(USE_GCC OR USE_CLANG)
list(APPEND EXTRA_CFLAGS "-Wshadow")
endif()
set(CMAKE_REQUIRED_FLAGS "-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")
if(APPLE)
list(APPEND EXTRA_LDFLAGS "-Wl,-undefined,error")
else()
set(CMAKE_REQUIRED_FLAGS "-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()