+dnl CF_FIX_WARNINGS version: 4 updated: 2021/12/16 18:22:31
+dnl ---------------
+dnl Warning flags do not belong in CFLAGS, CPPFLAGS, etc. Any of gcc's
+dnl "-Werror" flags can interfere with configure-checks. Those go into
+dnl EXTRA_CFLAGS.
+dnl
+dnl $1 = variable name to repair
+define([CF_FIX_WARNINGS],[
+if test "$GCC" = yes || test "$GXX" = yes
+then
+ case [$]$1 in
+ (*-Werror=*)
+ cf_temp_flags=
+ for cf_temp_scan in [$]$1
+ do
+ case "x$cf_temp_scan" in
+ (x-Werror=format*)
+ CF_APPEND_TEXT(cf_temp_flags,$cf_temp_scan)
+ ;;
+ (x-Werror=*)
+ CF_APPEND_TEXT(EXTRA_CFLAGS,$cf_temp_scan)
+ ;;
+ (*)
+ CF_APPEND_TEXT(cf_temp_flags,$cf_temp_scan)
+ ;;
+ esac
+ done
+ if test "x[$]$1" != "x$cf_temp_flags"
+ then
+ CF_VERBOSE(repairing $1: [$]$1)
+ $1="$cf_temp_flags"
+ CF_VERBOSE(... fixed [$]$1)
+ CF_VERBOSE(... extra $EXTRA_CFLAGS)
+ fi
+ ;;
+ esac
+fi
+AC_SUBST(EXTRA_CFLAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_FUNC_GETTIME version: 3 updated: 2024/05/11 13:40:02
+dnl ---------------
+dnl Check for gettimeofday or clock_gettime. In 2023, the former is still more
+dnl widely supported, but "deprecated" (2008), so we will use the latter if it
+dnl is available, to reduce compiler warnings.
+AC_DEFUN([CF_FUNC_GETTIME],[
+cf_save_libs="$LIBS"
+AC_CHECK_FUNC(clock_gettime,
+ cf_cv_test_clock_gettime=yes,
+ AC_CHECK_LIB(rt, clock_gettime,
+ [LIBS="-lrt $LIBS"
+ cf_cv_test_clock_gettime=yes],
+ cf_cv_test_clock_gettime=no))
+
+if test "$cf_cv_test_clock_gettime" = yes ; then
+AC_CACHE_CHECK(if clock_gettime links,cf_cv_func_clock_gettime,[
+ AC_TRY_LINK([
+$ac_includes_default
+#include <time.h>
+ ],
+ [struct timespec ts;
+ int rc = clock_gettime(CLOCK_REALTIME, &ts)
+ + clock_gettime(CLOCK_MONOTONIC, &ts);
+ (void) rc; (void)ts],
+ [cf_cv_func_clock_gettime=yes],
+ [cf_cv_func_clock_gettime=no])
+])
+else
+ cf_cv_func_clock_gettime=no
+fi
+
+if test "$cf_cv_func_clock_gettime" = yes
+then
+ AC_DEFINE(HAVE_CLOCK_GETTIME,1,[Define to 1 if we have clock_gettime function])
+else
+AC_CHECK_FUNC(gettimeofday,
+ AC_DEFINE(HAVE_GETTIMEOFDAY,1,[Define to 1 if we have gettimeofday function]),[
+
+AC_CHECK_LIB(bsd, gettimeofday,
+ AC_DEFINE(HAVE_GETTIMEOFDAY,1,[Define to 1 if we have gettimeofday function])
+ CF_ADD_LIB(bsd))])dnl CLIX: bzero, select, gettimeofday
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GCC_ATTRIBUTES version: 24 updated: 2021/03/20 12:00:25