cmake HAVE_SYS_SIGNAL_H examples

MoeMod/CSMoE 3rdparty/mpg123-cmake/src/CMakeLists.txt :28 

check_include_file("sys/signal.h" HAVE_SYS_SIGNAL_H)

maoserr/redshiftgui CMakeLists.txt :232 

CHECK_INCLUDE_FILE(sys/signal.h HAVE_SYS_SIGNAL_H)

glKarin/com.n0n3m4.diii4a Q3E/src/main/jni/deplibs/mpg123/ports/cmake/src/CMakeLists.txt :30 

check_include_file("sys/signal.h" HAVE_SYS_SIGNAL_H)