cmake HAVE_FABSF examples

InsightSoftwareConsortium/ITK Modules/ThirdParty/MINC/src/libminc/CMakeLists.txt :150

CHECK_SYMBOL_EXISTS(fabsf    "math.h" HAVE_FABSF)

gazebosim/gazebo-classic deps/opende/CMakeLists.txt :51

CHECK_CXX_SOURCE_COMPILES("#include <math.h> 
int main() {fabsf(0); return 1;}" HAVE_FABSF)

glKarin/com.n0n3m4.diii4a Q3E/src/main/jni/deplibs/fluidsynth/CMakeLists.txt :994

unset ( HAVE_FABSF CACHE )

glKarin/com.n0n3m4.diii4a Q3E/src/main/jni/deplibs/fluidsynth/CMakeLists.txt :995

CHECK_SYMBOL_EXISTS ( fabsf "math.h" HAVE_FABSF )

glKarin/com.n0n3m4.diii4a Q3E/src/main/jni/deplibs/fluidsynth/CMakeLists.txt :998

endif ( HAVE_FABSF )

FluidSynth/fluidsynth CMakeLists.txt :808

unset ( HAVE_FABSF CACHE )

FluidSynth/fluidsynth CMakeLists.txt :809

CHECK_SYMBOL_EXISTS ( fabsf "math.h" HAVE_FABSF )

FluidSynth/fluidsynth CMakeLists.txt :812

endif ( HAVE_FABSF )