[...]

     char *str;
           ^
geos.c: In function 'zm_startup_geos':
geos.c:2657:37: warning: assignment from incompatible pointer type [enabled by default]
     WKTReader_ce_ptr->create_object = WKTReader_create_obj;
                                     ^
geos.c:2665:37: warning: assignment from incompatible pointer type [enabled by default]
     WKTWriter_ce_ptr->create_object = WKTWriter_create_obj;
                                     ^
geos.c:2673:36: warning: assignment from incompatible pointer type [enabled by default]
     Geometry_ce_ptr->create_object = Geometry_create_obj;
                                    ^
geos.c:2678:34: error: 'Geometry_serialize' undeclared (first use in this function)
     Geometry_ce_ptr->serialize = Geometry_serialize;
                                  ^
geos.c:2679:36: error: 'Geometry_deserialize' undeclared (first use in this function)
     Geometry_ce_ptr->unserialize = Geometry_deserialize;
                                    ^
geos.c:2684:37: warning: assignment from incompatible pointer type [enabled by default]
     WKBWriter_ce_ptr->create_object = WKBWriter_create_obj;
                                     ^
geos.c:2692:37: warning: assignment from incompatible pointer type [enabled by default]
     WKBReader_ce_ptr->create_object = WKBReader_create_obj;
                                     ^
geos.c: At top level:
geos.c:319:23: warning: 'getGeometrySerializer' defined but not used [-Wunused-function]
 static GEOSWKBWriter* getGeometrySerializer()
                       ^
geos.c:340:23: warning: 'getGeometryDeserializer' defined but not used [-Wunused-function]
 static GEOSWKBReader* getGeometryDeserializer()
                       ^
make[3]: *** [geos_la-geos.lo] Error 1
make[3]: Leaving directory `/home/users/builder/rpm/BUILD/geos-3.4.2/php'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/users/builder/rpm/BUILD/geos-3.4.2/php'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/users/builder/rpm/BUILD/geos-3.4.2'
make: *** [all] Error 2
error: Bad exit status from /tmp/B.279c18/rpm-tmp.16295 (%build)
RPM build errors:
    Bad exit status from /tmp/B.279c18/rpm-tmp.16295 (%build)
ended at: Fri Jan 22 13:28:16 2016, done in 01days 00h 06m 33s
error: No files produced.
mesg: ttyname failed: Inappropriate ioctl for device
Begin-PLD-Builder-Info
Build-Time: user:464.67s sys:140.87s real:400.30s (faults io:36 non-io:9020165)
End-PLD-Builder-Info