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Unset FORTIFY_SOURCE before setting to avoid warnings for compilers where FORTIFY_SOURCE is predefined. (#2946)

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Daniel Patterson 2016-09-27 21:32:22 -07:00 committed by GitHub
parent 8aa93f32cc
commit fa5714ab82
1 changed files with 2 additions and 2 deletions
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4
CMakeLists.txt
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@ -193,7 +193,7 @@ endif()
# Configuring compilers
if(${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -pedantic -Wuninitialized -Wunreachable-code -Wstrict-overflow=2 -D_FORTIFY_SOURCE=2 -fPIC -fcolor-diagnostics")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -pedantic -Wuninitialized -Wunreachable-code -Wstrict-overflow=2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC -fcolor-diagnostics")
elseif(${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
set(COLOR_FLAG "-fdiagnostics-color=auto")
check_cxx_compiler_flag("-fdiagnostics-color=auto" HAS_COLOR_FLAG)
@ -201,7 +201,7 @@ elseif(${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
set(COLOR_FLAG "")
endif()
# using GCC
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -pedantic -Wuninitialized -Wunreachable-code -Wstrict-overflow=1 -D_FORTIFY_SOURCE=2 ${COLOR_FLAG} -fPIC")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -pedantic -Wuninitialized -Wunreachable-code -Wstrict-overflow=1 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 ${COLOR_FLAG} -fPIC")
if(WIN32) # using mingw
add_dependency_defines(-DWIN32)
set(OPTIONAL_SOCKET_LIBS ws2_32 wsock32)