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cmake: Only check for -Wno-gnu-zero-variadic-macro-arguments with clang

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Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Andreas Schneider
2018-10-16 08:46:06 +02:00
parent 259d7de153
commit d6b6fff7f7
1 changed files with 4 additions and 1 deletions
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3
CompilerChecks.cmake
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@ -51,7 +51,10 @@ if (UNIX)
add_c_compiler_flag("-Werror=format-security" SUPPORTED_COMPILER_FLAGS)
# Allow zero for a variadic macro argument
string(TOLOWER "${CMAKE_C_COMPILER_ID}" _C_COMPILER_ID)
if ("${_C_COMPILER_ID}" STREQUAL "clang")
add_c_compiler_flag("-Wno-gnu-zero-variadic-macro-arguments" SUPPORTED_COMPILER_FLAGS)
endif()
add_c_compiler_flag("-fno-common" SUPPORTED_COMPILER_FLAGS)