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-rw-r--r--CMakeLists.txt10
1 files changed, 3 insertions, 7 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b1f35f5b77..0813ce8157 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -146,19 +146,15 @@ ELSE()
ENDIF()
IF(CMAKE_C_COMPILER_ID STREQUAL "GNU")
- SET(CMAKE_C_STANDARD 99)
+ SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
ELSEIF(CMAKE_C_COMPILER_ID STREQUAL "Clang")
- SET(CMAKE_C_STANDARD 99)
+ SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
ELSEIF(CMAKE_C_COMPILER_ID STREQUAL "MSVC")
- SET(CMAKE_C_STANDARD 11)
+ SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c11")
ELSE()
message(warning "C standard could not be set because compiler is not GNU, Clang or MSVC.")
ENDIF()
-# if cmake version is < 3.1, explicitly set C standard to use.
-IF(${CMAKE_VERSION} VERSION_LESS "3.1")
- SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c${CMAKE_C_STANDARD}")
-ENDIF()
########################################################################
# Environment setup