Found the following significant warnings:
  areadiff.c:39:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  areadiff.c:110:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  areadiff.c:202:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  bdrymask.c:19:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  close3pair.c:30:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  close3pair.c:30:8: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
  closepair.c:51:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  closepair.c:51:8: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
  closepair.c:55:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  closepair.c:129:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  closepair.c:199:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  closepair.c:222:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  closepair.c:329:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  connect.c:26:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  connect.c:34:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  connect.c:94:15: warning: passing arguments to 'shape_raster' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  connect.c:87:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  connect.c:101:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  discarea.c:41:21: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  discarea.c:83:36: warning: passing arguments to 'DiscContrib' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  discarea.c:89:35: warning: passing arguments to 'DiscContrib' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  discarea.c:28:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  discarea.c:137:8: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  discs.c:16:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./dist2dpath.h:28:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:28:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distan3.c:28:8: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
  distan3.c:38:19: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distan3.c:38:34: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distan3.c:40:16: warning: passing arguments to 'D3pair1dist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:42:16: warning: passing arguments to 'D3pair2dist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:30:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:46:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:88:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:136:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distan3.c:136:36: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distan3.c:138:17: warning: passing arguments to 'D3cross1dist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:140:17: warning: passing arguments to 'D3cross2dist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:128:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:144:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:175:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:216:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distan3.c:216:36: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distan3.c:218:17: warning: passing arguments to 'D3pairP1dist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:220:17: warning: passing arguments to 'D3pairP2dist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:208:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:224:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:284:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:353:21: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distan3.c:353:38: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distan3.c:355:18: warning: passing arguments to 'D3crossP1dist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:360:18: warning: passing arguments to 'D3crossP2dist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:342:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:368:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:419:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distan3.c:474:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:27:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distances.c:27:8: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
  distances.c:37:18: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distances.c:37:32: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distances.c:39:15: warning: passing arguments to 'Cpair1dist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:41:15: warning: passing arguments to 'Cpair2dist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:29:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:46:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:88:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:136:19: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distances.c:136:34: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distances.c:138:16: warning: passing arguments to 'Ccross1dist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:140:16: warning: passing arguments to 'Ccross2dist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:128:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:145:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:178:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:219:19: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distances.c:219:34: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distances.c:221:16: warning: passing arguments to 'CpairP1dist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:223:16: warning: passing arguments to 'CpairP2dist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:211:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:227:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:281:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:342:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distances.c:342:36: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distances.c:344:17: warning: passing arguments to 'CcrossP1dist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:346:17: warning: passing arguments to 'CcrossP2dist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:333:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:350:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distances.c:392:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distmapbin.c:19:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distmapbin.c:20:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  distmapbin.c:24:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distmapbin.c:117:14: warning: passing arguments to 'shape_raster' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distmapbin.c:119:14: warning: passing arguments to 'shape_raster' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distmapbin.c:121:14: warning: passing arguments to 'shape_raster' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distmapbin.c:126:14: warning: passing arguments to 'dist_to_bdry' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  distmapbin.c:105:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  exactPdist.c:18:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  exactPdist.c:19:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  exactPdist.c:22:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  exactPdist.c:137:14: warning: passing arguments to 'shape_raster' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  exactPdist.c:139:14: warning: passing arguments to 'shape_raster' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  exactPdist.c:141:14: warning: passing arguments to 'shape_raster' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  exactPdist.c:143:14: warning: passing arguments to 'shape_raster' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  exactPdist.c:145:14: warning: passing arguments to 'shape_raster' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  exactPdist.c:150:14: warning: passing arguments to 'dist_to_bdry' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  exactPdist.c:114:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  exactdist.c:41:18: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  exactdist.c:44:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  exactdist.c:154:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  exactdist.c:215:14: warning: passing arguments to 'shape_raster' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  exactdist.c:217:14: warning: passing arguments to 'shape_raster' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  exactdist.c:219:14: warning: passing arguments to 'shape_raster' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  exactdist.c:189:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  fardist.c:21:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  fardist.c:21:8: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
  ./fardist.h:19:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./hasclose.h:26:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./hasclose.h:160:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  hotrod.c:16:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  hotrod.c:56:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  knndistance.c:42:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  knndistance.c:42:8: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
  ./knndist.h:22:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  knndistance.c:122:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  knndistance.c:122:24: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  knndistance.c:122:37: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  knndistance.c:123:13: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  knndistance.c:123:26: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  knndistance.c:123:40: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  knndistance.c:130:11: warning: passing arguments to 'knnX' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  knndistance.c:132:15: warning: passing arguments to 'knnXdist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  knndistance.c:134:16: warning: passing arguments to 'knnXwhich' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  knndistance.c:138:12: warning: passing arguments to 'knnXE' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  knndistance.c:140:16: warning: passing arguments to 'knnXEdist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  knndistance.c:142:17: warning: passing arguments to 'knnXEwhich' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  knndistance.c:104:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./knnXdist.h:34:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  knngrid.c:26:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  knngrid.c:26:8: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
  knngrid.c:51:14: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  knngrid.c:51:23: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  knngrid.c:51:32: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  knngrid.c:56:11: warning: passing arguments to 'knnGdw' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  knngrid.c:58:10: warning: passing arguments to 'knnGd' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  knngrid.c:60:10: warning: passing arguments to 'knnGw' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  knngrid.c:32:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./knngrid.h:30:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./loccums.h:21:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./loccumx.h:22:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  metricPdist.c:21:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  metricPdist.c:22:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  metricPdist.c:57:8: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./metricPdist.h:95:15: warning: passing arguments to 'shape_raster' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./metricPdist.h:98:15: warning: passing arguments to 'shape_raster' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./metricPdist.h:101:15: warning: passing arguments to 'shape_raster' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./metricPdist.h:104:15: warning: passing arguments to 'shape_raster' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./metricPdist.h:25:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  metricPdist.c:93:8: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./minnnd.h:22:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./maxnnd.h:21:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nearestpix.c:22:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nearestpix.c:22:8: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
  nearestpix.c:22:22: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nearestpix.c:22:16: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
  nearestpix.c:25:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nn3Ddist.c:35:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nn3Ddist.c:35:8: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
  ./nn3Ddist.h:27:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nn3Ddist.c:89:15: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nn3Ddist.c:89:25: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nn3Ddist.c:89:35: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nn3Ddist.c:90:16: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nn3Ddist.c:90:27: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nn3Ddist.c:90:38: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nn3Ddist.c:97:14: warning: passing arguments to 'nnXdw3D' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nn3Ddist.c:99:13: warning: passing arguments to 'nnXd3D' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nn3Ddist.c:101:13: warning: passing arguments to 'nnXw3D' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nn3Ddist.c:105:15: warning: passing arguments to 'nnXEdw3D' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nn3Ddist.c:107:14: warning: passing arguments to 'nnXEd3D' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nn3Ddist.c:109:14: warning: passing arguments to 'nnXEw3D' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nn3Ddist.c:76:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./nn3DdistX.h:34:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./knn3Ddist.h:26:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nn3Ddist.c:283:16: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nn3Ddist.c:283:27: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nn3Ddist.c:283:38: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nn3Ddist.c:284:17: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nn3Ddist.c:284:29: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nn3Ddist.c:284:41: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nn3Ddist.c:291:15: warning: passing arguments to 'knnXdw3D' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nn3Ddist.c:293:14: warning: passing arguments to 'knnXd3D' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nn3Ddist.c:295:14: warning: passing arguments to 'knnXw3D' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nn3Ddist.c:299:16: warning: passing arguments to 'knnXEdw3D' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nn3Ddist.c:301:15: warning: passing arguments to 'knnXEd3D' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nn3Ddist.c:303:15: warning: passing arguments to 'knnXEw3D' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nn3Ddist.c:265:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./knn3DdistX.h:37:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nnMDdist.c:44:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nnMDdist.c:44:8: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
  nnMDdist.c:46:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nnMDdist.c:152:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nnMDdist.c:252:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nnMDdist.c:344:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nnMDdist.c:439:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nnMDdist.c:635:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nnMDdist.c:862:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nnMDdist.c:1103:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nndistance.c:42:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nndistance.c:42:8: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
  ./nndist.h:22:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nndistance.c:101:11: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nndistance.c:101:22: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nndistance.c:101:34: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nndistance.c:102:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nndistance.c:102:24: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nndistance.c:102:37: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nndistance.c:109:10: warning: passing arguments to 'nnX' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nndistance.c:111:14: warning: passing arguments to 'nnXdist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nndistance.c:113:15: warning: passing arguments to 'nnXwhich' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nndistance.c:117:11: warning: passing arguments to 'nnXE' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nndistance.c:119:15: warning: passing arguments to 'nnXEdist' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nndistance.c:121:16: warning: passing arguments to 'nnXEwhich' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nndistance.c:86:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./nndistX.h:33:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nngrid.c:26:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nngrid.c:26:8: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
  nngrid.c:49:13: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nngrid.c:49:21: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nngrid.c:49:29: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nngrid.c:54:10: warning: passing arguments to 'nnGdw' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nngrid.c:56:9: warning: passing arguments to 'nnGd' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nngrid.c:58:9: warning: passing arguments to 'nnGw' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  nngrid.c:32:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./nngrid.h:28:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  periodic.c:32:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  periodic.c:32:8: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
  poly2im.c:25:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  poly2im.c:103:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  quasirandom.c:15:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  raster.c:15:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  rasterfilter.c:19:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  scan.c:16:18: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  scan.c:19:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  scan.c:91:15: warning: passing arguments to 'shape_raster' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  scan.c:69:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  seg2pix.c:33:5: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  ./seg2pix.h:32:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  seg2pix.c:62:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  tabnum.c:15:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  tabnum.c:44:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  trigraf.c:50:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  trigraf.c:157:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  xyseg.c:67:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  xyseg.c:131:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  xyseg.c:177:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  xyseg.c:224:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  xyseg.c:289:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  xyseg.c:351:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  xyseg.c:412:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
  xyseg.c:479:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
See ‘/data/gannet/ripley/R/packages/tests-clang/spatstat.geom.Rcheck/00install.out’ for details.