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c11: enable C11 standards conformance unconditionally

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Signed-off-by: Jon Trulson <jtrulson@ics.com>
This commit is contained in:
Jon Trulson 2016-10-20 16:37:00 -06:00
parent f101db2af1
commit 1ae4119925
1 changed files with 15 additions and 0 deletions

15
CMakeLists.txt

@ -143,6 +143,21 @@ if (CMAKE_VERSION VERSION_LESS "3.1")
else()
# 3.1+ uses this generic method to enable c++11
set (CMAKE_CXX_STANDARD 11)
set (CXX_STANDARD_REQUIRED ON)
endif()
include(CheckCCompilerFlag)
if (CMAKE_VERSION VERSION_LESS "3.1")
CHECK_C_COMPILER_FLAG("-std=c11" COMPILER_SUPPORTS_C11)
if (COMPILER_SUPPORTS_C11)
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c11")
else()
message(FATAL_ERROR "A C11 compliant C compiler is required to build UPM.")
endif()
else()
# 3.1+ uses this generic method to enable c11
set (CMAKE_C_STANDARD 11)
set (C_STANDARD_REQUIRED ON)
endif()
# The doc target depends on each sensor target