Author: al Date: Tue Jul 26 00:31:21 2016 New Revision: 37881 Log: configure: HAVE_LOCALTIME_R, HAVE_GMTIME_R: Use #define ... 0 Those are used by FFmpeg and expected to always be defined (0 or 1). The #undef was an oversight of commit r37313 . Patch by Stephen Sheldon (sfsheldo gmail) Modified: trunk/configure Modified: trunk/configure ============================================================================== --- trunk/configure Fri Jul 22 00:54:11 2016 (r37880) +++ trunk/configure Tue Jul 26 00:31:21 2016 (r37881) @@ -3490,7 +3490,7 @@ statement_check time.h 'gmtime_r(0, 0)' if test "$_gmtime_r" = yes ; then def_gmtime_r='#define HAVE_GMTIME_R 1' else - def_gmtime_r='#undef HAVE_GMTIME_R' + def_gmtime_r='#define HAVE_GMTIME_R 0' fi echores "$_gmtime_r" @@ -3500,7 +3500,7 @@ statement_check time.h 'localtime_r(0, 0 if test "$_localtime_r" = yes ; then def_localtime_r='#define HAVE_LOCALTIME_R 1' else - def_localtime_r='#undef HAVE_LOCALTIME_R' + def_localtime_r='#define HAVE_LOCALTIME_R 0' fi echores "$_localtime_r"