cmake HAVE_GNU_STRERROR_R examples

asset-group/5ghoul-5g-nr-attacks libs/libpcap/CMakeLists.txt :420 

check_c_source_compiles(
    "#define _GNU_SOURCE
#include <string.h>

/* Define it GNU-style; that will cause an error if it's not GNU-style */
extern char *strerror_r(int, char *, size_t);

int
main(void)
{
	return 0;
}
"
    HAVE_GNU_STRERROR_R)

asset-group/5ghoul-5g-nr-attacks libs/libpcap/CMakeLists.txt :436 

endif(NOT HAVE_GNU_STRERROR_R)

CTSRD-CHERI/cheribsd contrib/libpcap/CMakeLists.txt :711 

check_c_source_compiles(
"#define _GNU_SOURCE
#include <string.h>

/* Define it GNU-style; that will cause an error if it's not GNU-style */
extern char *strerror_r(int, char *, size_t);

int
main(void)
{
	return 0;
}
"
            HAVE_GNU_STRERROR_R)

CTSRD-CHERI/cheribsd contrib/libpcap/CMakeLists.txt :727 

endif(NOT HAVE_GNU_STRERROR_R)