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Check for -Werror=unguarded_availability support before forcing it

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The compiler flag `-Werror=unguarded_availability` was hard-coded for
macOS, but is not supported by GCC on macOS 10.10 (Yosemite). Test for
support with CHECK_CXX_COMPILER_FLAG before forcing it.
This commit is contained in:
Mahmoud Al-Qudsi 2019-01-10 19:53:33 -06:00
parent 2bb53f7253
commit 16a94db702
1 changed files with 5 additions and 2 deletions
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5
cmake/ConfigureChecks.cmake
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@ -5,8 +5,11 @@
# This is the case for at least Cygwin and Newlib.
LIST(APPEND CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE=1)
IF(APPLE)
# 10.7+ only.
INCLUDE(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG("-Werror=unguarded-availability" REQUIRES_UNGUARDED_AVAILABILITY)
IF(REQUIRES_UNGUARDED_AVAILABILITY)
LIST(APPEND CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS} "-Werror=unguarded-availability")
ENDIF()
ENDIF()
# Try using CMake's own logic to locate curses/ncurses