Sort/factor function checks

configure.ac

@@ -568,16 +568,14 @@ dnl Check for system libs needed
 need_libc=false
 
 dnl Check for usual libc functions
-AC_CHECK_FUNCS([gettimeofday isatty getpwuid_r memalign posix_memalign getenv putenv setenv ctime_r daemon fork lstat posix_fadvise posix_madvise uselocale tdestroy])
-AC_CHECK_FUNCS(fcntl)
-AC_REPLACE_FUNCS([asprintf atof atoll getcwd getpid gmtime_r lldiv localtime_r rewind strcasecmp strcasestr strdup strlcpy strncasecmp strndup strnlen strsep strtof strtok_r strtoll vasprintf swab])
-AC_CHECK_FUNCS([stricmp strnicmp])
+AC_CHECK_FUNCS([ctime_r daemon fcntl fork getenv getpwuid_r gettimeofday isatty lstat memalign posix_fadvise posix_madvise posix_memalign putenv setenv stricmp strnicmp tdestroy uselocale])
+AC_REPLACE_FUNCS([asprintf atof atoll getcwd getpid gmtime_r lldiv localtime_r rewind strcasecmp strcasestr strdup strlcpy strncasecmp strndup strnlen strsep strtof strtok_r strtoll swab vasprintf])
 AC_CHECK_FUNCS(fdatasync,,
   [AC_DEFINE(fdatasync, fsync, [Alias fdatasync() to fsync() if missing.])
 ])
 
 dnl Check for non-standard system calls
-AC_CHECK_FUNCS([vmsplice eventfd fstatfs accept4])
+AC_CHECK_FUNCS([accept4 eventfd fstatfs vmsplice])
 
 AH_BOTTOM([#include <vlc_fixups.h>])