CMake: Use GCC7's -Wimplicit-fallthrough=5

Use to avoid accidental missing break statements,
use ATTR_FALLTHROUGH to suppress.

5 files changed, 12 insertions, 10 deletions

diff --git a/source/blender/blenkernel/intern/image.c b/source/blender/blenkernel/intern/image.c
index 2db13f9c778..026e8aea74f 100644
--- a/source/blender/blenkernel/intern/image.c
+++ b/source/blender/blenkernel/intern/image.c
@@ -1238,7 +1238,7 @@ char BKE_imtype_valid_channels(const char imtype, bool write_file)
 	switch (imtype) {
 		case R_IMF_IMTYPE_BMP:
 			if (write_file) break;
-			/* fall-through */
+			ATTR_FALLTHROUGH;
 		case R_IMF_IMTYPE_TARGA:
 		case R_IMF_IMTYPE_RAWTGA:
 		case R_IMF_IMTYPE_IRIS:
diff --git a/source/blender/blenkernel/intern/mball_tessellate.c b/source/blender/blenkernel/intern/mball_tessellate.c
index c8b75f3e457..76965176be8 100644
--- a/source/blender/blenkernel/intern/mball_tessellate.c
+++ b/source/blender/blenkernel/intern/mball_tessellate.c
@@ -316,12 +316,12 @@ static float densfunc(const MetaElem *ball, float x, float y, float z)
 			if      (dvec[2] > ball->expz)  dvec[2] -= ball->expz;
 			else if (dvec[2] < -ball->expz) dvec[2] += ball->expz;
 			else                            dvec[2] = 0.0;
-			/* fall through */
+			ATTR_FALLTHROUGH;
 		case MB_PLANE:
 			if      (dvec[1] >  ball->expy) dvec[1] -= ball->expy;
 			else if (dvec[1] < -ball->expy) dvec[1] += ball->expy;
 			else                            dvec[1] = 0.0;
-			/* fall through */
+			ATTR_FALLTHROUGH;
 		case MB_TUBE:
 			if      (dvec[0] >  ball->expx) dvec[0] -= ball->expx;
 			else if (dvec[0] < -ball->expx) dvec[0] += ball->expx;
@@ -1194,10 +1194,10 @@ static void init_meta(EvaluationContext *eval_ctx, PROCESS *process, Scene *scen
 								break;
 							case MB_CUBE: /* cube is "expanded" by expz, expy and expx */
 								expz += ml->expz;
-								/* fall through */
+								ATTR_FALLTHROUGH;
 							case MB_PLANE: /* plane is "expanded" by expy and expx */
 								expy += ml->expy;
-								/* fall through */
+								ATTR_FALLTHROUGH;
 							case MB_TUBE: /* tube is "expanded" by expx */
 								expx += ml->expx;
 								break;
diff --git a/source/blender/blenkernel/intern/packedFile.c b/source/blender/blenkernel/intern/packedFile.c
index 489fc2f3710..64f90ef5c52 100644
--- a/source/blender/blenkernel/intern/packedFile.c
+++ b/source/blender/blenkernel/intern/packedFile.c
@@ -450,7 +450,7 @@ char *unpackFile(ReportList *reports, const char *abs_name, const char *local_na
 					break;
 				}
 				/* else create it */
-				/* fall-through */
+				ATTR_FALLTHROUGH;
 			}
 			case PF_WRITE_LOCAL:
 				if (writePackedFile(reports, local_name, pf, 1) == RET_OK) {
@@ -471,7 +471,7 @@ char *unpackFile(ReportList *reports, const char *abs_name, const char *local_na
 					break;
 				}
 				/* else create it */
-				/* fall-through */
+				ATTR_FALLTHROUGH;
 			}
 			case PF_WRITE_ORIGINAL:
 				if (writePackedFile(reports, abs_name, pf, 1) == RET_OK) {
diff --git a/source/blender/blenkernel/intern/particle.c b/source/blender/blenkernel/intern/particle.c
index 228ae6afaba..bb5cea9dcc7 100644
--- a/source/blender/blenkernel/intern/particle.c
+++ b/source/blender/blenkernel/intern/particle.c
@@ -3466,7 +3466,8 @@ static void get_cpa_texture(DerivedMesh *dm, ParticleSystem *psys, ParticleSetti
 				case TEXCO_UV:
 					if (fw && get_particle_uv(dm, NULL, face_index, fw, mtex->uvname, texvec))
 						break;
-				/* no break, failed to get uv's, so let's try orco's */
+					/* no break, failed to get uv's, so let's try orco's */
+					ATTR_FALLTHROUGH;
 				case TEXCO_ORCO:
 					copy_v3_v3(texvec, orco);
 					break;
@@ -3538,7 +3539,8 @@ void psys_get_texture(ParticleSimulationData *sim, ParticleData *pa, ParticleTex
 				case TEXCO_UV:
 					if (get_particle_uv(sim->psmd->dm_final, pa, 0, pa->fuv, mtex->uvname, texvec))
 						break;
-				/* no break, failed to get uv's, so let's try orco's */
+					/* no break, failed to get uv's, so let's try orco's */
+					ATTR_FALLTHROUGH;
 				case TEXCO_ORCO:
 					psys_particle_on_emitter(sim->psmd, sim->psys->part->from, pa->num, pa->num_dmcache, pa->fuv, pa->foffset, co, 0, 0, 0, texvec, 0);
 					
diff --git a/source/blender/blenkernel/intern/rigidbody.c b/source/blender/blenkernel/intern/rigidbody.c
index 5353cc26295..b3a36bfb089 100644
--- a/source/blender/blenkernel/intern/rigidbody.c
+++ b/source/blender/blenkernel/intern/rigidbody.c
@@ -822,7 +822,7 @@ static void rigidbody_validate_sim_constraint(RigidBodyWorld *rbw, Object *ob, b
 					RB_constraint_set_damping_6dof_spring(rbc->physics_constraint, RB_LIMIT_ANG_Z, rbc->spring_damping_ang_z);
 
 					RB_constraint_set_equilibrium_6dof_spring(rbc->physics_constraint);
-					/* fall-through */
+					ATTR_FALLTHROUGH;
 				case RBC_TYPE_6DOF:
 					if (rbc->type == RBC_TYPE_6DOF) /* a litte awkward but avoids duplicate code for limits */
 						rbc->physics_constraint = RB_constraint_new_6dof(loc, rot, rb1, rb2);