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CMake: Default to C11 for Clang and GCC 

The option WITH_C11 is gone, and C++ is defaulting to C++11 now,
so guess it's fine to assume we need C11 now.

This is technically what we use anyway, with all the re-definitions
of structs (like when we typedef anonymous struct in a header file
first, and them define it to a proper structure in implementation
file).
This commit is contained in:
Sergey Sharybin 2018-09-28 10:06:59 +02:00
parent fa6b0cdc79
commit ee1b2cce5f
1 changed files with 2 additions and 6 deletions
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8
CMakeLists.txt
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@ -1518,12 +1518,8 @@ if(
(CMAKE_C_COMPILER_ID MATCHES "Clang" AND (NOT MSVC)) OR
(CMAKE_C_COMPILER_ID MATCHES "Intel")
)
# Use C99 + GNU extensions, works with GCC, Clang, ICC
if(WITH_C11)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11")
else()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
endif()
# Use C11 + GNU extensions, works with GCC, Clang, ICC
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11")
endif()
# Include warnings first, so its possible to disable them with user defined flags