cmake HAVE_GETPID examples

MiKTeX/miktex CMakeLists.txt :1314 

check_function_exists(getpid HAVE_GETPID)

gammu/gammu CMakeLists.txt :134 

check_symbol_exists (getpid "unistd.h" HAVE_GETPID)

fluent/fluent-bit lib/jansson-e23f558/CMakeLists.txt :87 

check_function_exists (getpid HAVE_GETPID)

LiangliangNan/MVStudio 3rd_party/nlopt/CMakeLists.txt :116 

check_function_exists (getpid HAVE_GETPID)

libcheck/check CMakeLists.txt :176 

check_function_exists(getpid HAVE_GETPID)

stevengj/nlopt CMakeLists.txt :93 

check_function_exists (getpid HAVE_GETPID)

wolfSSL/wolfssl CMakeLists.txt :127 

check_function_exists("getpid" HAVE_GETPID)