quiet -Wmissing-prototypes warnings, and enable this warning by default for C with gcc.

helps for finding unused functions and making functions static, also did some minor code cleanup.

2 files changed, 5 insertions, 5 deletions

diff --git a/intern/mikktspace/mikktspace.c b/intern/mikktspace/mikktspace.c
index 0a3141d6782..a1ae6bd81c0 100644
--- a/intern/mikktspace/mikktspace.c
+++ b/intern/mikktspace/mikktspace.c
@@ -437,7 +437,7 @@ const int g_iCells = 2048;
 // it is IMPORTANT that this function is called to evaluate the hash since
 // inlining could potentially reorder instructions and generate different
 // results for the same effective input value fVal.
-NOINLINE int FindGridCell(const float fMin, const float fMax, const float fVal)
+static NOINLINE int FindGridCell(const float fMin, const float fMax, const float fVal)
 {
 	const float fIndex = g_iCells * ((fVal-fMin)/(fMax-fMin));
 	const int iIndex = fIndex<0?0:((int)fIndex);
diff --git a/intern/raskter/raskter.c b/intern/raskter/raskter.c
index 659d01e2d82..eaf8dcd06da 100644
--- a/intern/raskter/raskter.c
+++ b/intern/raskter/raskter.c
@@ -819,7 +819,7 @@ int PLX_raskterize_feather(float(*base_verts)[2], int num_base_verts, float(*fea
 
 #ifndef __PLX__FAKE_AA__
 
-int get_range_expanded_pixel_coord(float normalized_value, int max_value) {
+static int get_range_expanded_pixel_coord(float normalized_value, int max_value) {
     return (int)((normalized_value * (float)(max_value)) + 0.5f);
 }
 
@@ -1395,7 +1395,7 @@ int PLX_antialias_buffer(float *buf, int buf_x, int buf_y) {
 
 #define SWAP_POLYVERT(a,b)	point_temp[0]=(a)[0]; point_temp[1]=(a)[1]; (a)[0]=(b)[0]; (a)[1]=(b)[1]; (b)[0]=point_temp[0]; (b)[1]=point_temp[1];
 #define __PLX_SMALL_COUNT__ 13
-void plx_floatsort(float(*f)[2], unsigned int n, int sortby) {
+static void plx_floatsort(float(*f)[2], unsigned int n, int sortby) {
     unsigned int a;
     unsigned int b;
     unsigned int c;
@@ -1474,7 +1474,7 @@ void plx_floatsort(float(*f)[2], unsigned int n, int sortby) {
     }
 }
 
-int plx_find_lower_bound(float v, float(*a)[2], int num_feather_verts) {
+static int plx_find_lower_bound(float v, float(*a)[2], int num_feather_verts) {
     int x;
     int l;
     int r;
@@ -1502,7 +1502,7 @@ int plx_find_lower_bound(float v, float(*a)[2], int num_feather_verts) {
     }
 }
 
-int plx_find_upper_bound(float v, float(*a)[2], int num_feather_verts) {
+static int plx_find_upper_bound(float v, float(*a)[2], int num_feather_verts) {
     int x;
     int l;
     int r;