change std to gnu99

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 34cc6dd7a630d3a342df27882990ae3ea3144c51..5f28274c4087e06466ee3e5eb7c063d241c4743f 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,16 +7,16 @@ PROJECT("kds-s2000w-net")
 SET(CMAKE_BUILD_TYPE "Release" CACHE STRING "release")
 
 IF(CMAKE_BUILD_TYPE STREQUAL "Release")
-       SET(CMAKE_C_FLAGS "-std=gnu11 -fPIC -Wall -Werror" CACHE STRING "compiler flags" FORCE)
+       SET(CMAKE_C_FLAGS "-std=gnu99 -fPIC -Wall -Werror" CACHE STRING "compiler flags" FORCE)
 ENDIF()
 
 IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
-       SET(CMAKE_C_FLAGS "-std=gnu11 -fPIC -Wall -g" CACHE STRING "debug compiler flags" FORCE)
+       SET(CMAKE_C_FLAGS "-std=gnu99 -fPIC -Wall -g" CACHE STRING "debug compiler flags" FORCE)
 ENDIF()
 
 IF (RUN_TESTS)
        SET(CMAKE_BUILD_TYPE "Debug" CACHE STRING "debug" FORCE)
-       SET(CMAKE_C_FLAGS "-std=gnu11 -fPIC \
+       SET(CMAKE_C_FLAGS "-std=gnu99 -fPIC \
 -fprofile-arcs \
 -ftest-coverage \
 -Wall \