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Fix ICC warning when defining both -ansi and -strict-ansi

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This commit is contained in:
Gael Guennebaud 2013-04-12 15:51:40 +02:00
parent 9816e8532e
commit db43205dc6
1 changed files with 7 additions and 2 deletions
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9
CMakeLists.txt
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@ -130,7 +130,6 @@ if(NOT MSVC)
endif()
ei_add_cxx_compiler_flag("-pedantic")
ei_add_cxx_compiler_flag("-strict-ansi") # ICC
ei_add_cxx_compiler_flag("-Wall")
ei_add_cxx_compiler_flag("-Wextra")
#ei_add_cxx_compiler_flag("-Weverything") # clang
@ -153,7 +152,13 @@ if(NOT MSVC)
ei_add_cxx_compiler_flag("-fstrict-aliasing")
# The -ansi flag must be added last, otherwise it is also used as a linker flag by check_cxx_compiler_flag making it fails
ei_add_cxx_compiler_flag("-ansi")
# Moreover we should not set both -strict-ansi and -ansi
check_cxx_compiler_flag("-strict-ansi" COMPILER_SUPPORT_STRICTANSI)
if(COMPILER_SUPPORT_STRICTANSI)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -strict-ansi")
else()
ei_add_cxx_compiler_flag("-ansi")
endif()
set(CMAKE_REQUIRED_FLAGS "")