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[MacOS]Conditionally set -Wno-unused-local-typedef and -Wno-unknown-attributes.

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These flags aren't defined until Xcode8.
This commit is contained in:
John Ralls 2018-02-03 07:54:37 -08:00
parent eb1400c44b
commit e6edb9d8e7
1 changed files with 17 additions and 9 deletions
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26
CMakeLists.txt
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@ -520,10 +520,23 @@ ENDIF (Boost_FOUND)
# Compiler flags
IF (APPLE)
ADD_DEFINITIONS(-Wno-unknown-attributes -Wno-typedef-redefinition)
if (APPLE)
include (CheckCCompilerFlag)
include (CheckCxxCompilerFlag)
Check_CXX_Compiler_Flag(-Wno-unused-local-typedef, have_wno_ult)
if (have_wno_ult)
SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-local-typedef -Wmissing-prototypes")
else()
SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wmissing-prototypes")
endif()
Check_C_Compiler_Flag(-Wno-unknown-attributes have_no_unkatt)
if (have_no_unkatt)
ADD_DEFINITIONS(-Wno-unknown-attributes -Wno-typedef-redefinition)
else()
ADD_DEFINITIONS(-Wno-typedef-redefinition)
endif()
# SET (CMAKE_OSX_ARCHITECTURES "i386")
ENDIF (APPLE)
endif (APPLE)
# Also, set the C++ version to c++11
@ -533,9 +546,6 @@ SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11") # FIXME: should be -std=
IF (UNIX)
SET( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror -Wdeclaration-after-statement -Wno-pointer-sign -Wall -Wmissing-prototypes -Wmissing-declarations -Wno-unused")
SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror -Wall -Wmissing-declarations -Wno-unused")
IF (APPLE)
SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wmissing-prototypes")
ENDIF()
SET( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations -std=gnu11")
SET( CMAKE_C_FLAGS_RELEASE "-O3 ${CMAKE_C_FLAGS} -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2")
ENDIF (UNIX)
@ -543,9 +553,7 @@ IF (MINGW)
SET( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror -Wdeclaration-after-statement -Wno-pointer-sign -Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wno-unused -Wno-error=deprecated-declarations -std=gnu11")
SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DWINVER=0x0500 -D_EMULATE_GLIBC=0") # Workaround for bug in gtest on mingw, see https://github.com/google/googletest/issues/893 and https://github.com/google/googletest/issues/920
ENDIF (MINGW)
IF (APPLE)
SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-local-typedef")
ENDIF(APPLE)
SET( CMAKE_C_FLAGS_DEBUG "-O0 -g ${CMAKE_C_FLAGS}")
SET( CMAKE_CXX_FLAGS_DEBUG "-O0 -g ${CMAKE_CXX_FLAGS} -Wno-deprecated-declarations")