diff --git a/legacy/evas/src/bin/evas_cserve_main.c b/legacy/evas/src/bin/evas_cserve_main.c
index 7d4d95ac23..92718dae48 100644
--- a/legacy/evas/src/bin/evas_cserve_main.c
+++ b/legacy/evas/src/bin/evas_cserve_main.c
@@ -642,10 +642,9 @@ mem_cache_adjust(void)
 {
    int pval = cache_max_adjust;
    int max = 0;
-   int mem_used;
 
    if (mem_total <= 0) return;
-   mem_used = mem_total - mem_free - mem_cached - mem_buffers;
+   //int mem_used = mem_total - mem_free - mem_cached - mem_buffers;
 #if 0 // this lets the image cache to grow to fill all real free ram, if
       // there is any (ie ram unused by disk cache)
    if (mem_free < mem_total)
diff --git a/legacy/evas/src/lib/canvas/evas_map.c b/legacy/evas/src/lib/canvas/evas_map.c
index 2359d5aebd..5fe61aa1f8 100644
--- a/legacy/evas/src/lib/canvas/evas_map.c
+++ b/legacy/evas/src/lib/canvas/evas_map.c
@@ -35,7 +35,7 @@ _evas_map_calc_geom_change(Evas_Object *obj)
 static void
 _evas_map_calc_map_geometry(Evas_Object *obj)
 {
-   Evas_Coord x1, x2, y1, y2;
+   Evas_Coord x1, x2, yy1, yy2;
    const Evas_Map_Point *p, *p_end;
    Eina_Bool ch = EINA_FALSE;
 
@@ -82,7 +82,7 @@ _evas_map_calc_map_geometry(Evas_Object *obj)
    p = obj->cur.map->points;
    p_end = p + obj->cur.map->count;
    x1 = x2 = lround(p->x);
-   y1 = y2 = lround(p->y);
+   yy1 = yy2 = lround(p->y);
    p++;
    for (; p < p_end; p++)
      {
@@ -92,21 +92,21 @@ _evas_map_calc_map_geometry(Evas_Object *obj)
         y = lround(p->y);
         if (x < x1) x1 = x;
         if (x > x2) x2 = x;
-        if (y < y1) y1 = y;
-        if (y > y2) y2 = y;
+        if (y < yy1) yy1 = y;
+        if (y > yy2) yy2 = y;
      }
 // this causes clip-out bugs now mapped objs canbe opaque!!!   
 //   // add 1 pixel of fuzz around the map region to ensure updates are correct
-//   x1 -= 1; y1 -= 1;
-//   x2 += 1; y2 += 1;
+//   x1 -= 1; yy1 -= 1;
+//   x2 += 1; yy2 += 1;
    if (obj->cur.map->normal_geometry.x != x1) ch = 1;
-   if (obj->cur.map->normal_geometry.y != y1) ch = 1;
+   if (obj->cur.map->normal_geometry.y != yy1) ch = 1;
    if (obj->cur.map->normal_geometry.w != (x2 - x1)) ch = 1;
-   if (obj->cur.map->normal_geometry.h != (y2 - y1)) ch = 1;
+   if (obj->cur.map->normal_geometry.h != (yy2 - yy1)) ch = 1;
    obj->cur.map->normal_geometry.x = x1;
-   obj->cur.map->normal_geometry.y = y1;
+   obj->cur.map->normal_geometry.y = yy1;
    obj->cur.map->normal_geometry.w = (x2 - x1);
-   obj->cur.map->normal_geometry.h = (y2 - y1);
+   obj->cur.map->normal_geometry.h = (yy2 - yy1);
    if (ch) _evas_map_calc_geom_change(obj);
 }
 
@@ -896,7 +896,7 @@ evas_map_util_3d_lighting(Evas_Map *m,
    for (i = 0; i < m->count; i++)
      {
         double x, y, z;
-        double nx, ny, nz, x1, y1, z1, x2, y2, z2, ln, br;
+        double nx, ny, nz, x1, yy1, z1, x2, yy2, z2, ln, br;
         int h, j, mr, mg, mb;
 
         x = m->points[i].x;
@@ -907,15 +907,15 @@ evas_map_util_3d_lighting(Evas_Map *m,
         j = (i + 1)     % 4 + (i & ~0x3); // next point
 
         x1 = m->points[h].x - x;
-        y1 = m->points[h].y - y;
+        yy1 = m->points[h].y - y;
         z1 = m->points[h].z - z;
 
         x2 = m->points[j].x - x;
-        y2 = m->points[j].y - y;
+        yy2 = m->points[j].y - y;
         z2 = m->points[j].z - z;
-        nx = (y1 * z2) - (z1 * y2);
+        nx = (yy1 * z2) - (z1 * yy2);
         ny = (z1 * x2) - (x1 * z2);
-        nz = (x1 * y2) - (y1 * x2);
+        nz = (x1 * yy2) - (yy1 * x2);
 
         ln = (nx * nx) + (ny * ny) + (nz * nz);
         ln = sqrt(ln);
diff --git a/legacy/evas/src/lib/canvas/evas_object_main.c b/legacy/evas/src/lib/canvas/evas_object_main.c
index 86ab49837d..9543228060 100644
--- a/legacy/evas/src/lib/canvas/evas_object_main.c
+++ b/legacy/evas/src/lib/canvas/evas_object_main.c
@@ -230,7 +230,7 @@ evas_object_clip_changes_clean(Evas_Object *obj)
 }
 
 void
-evas_object_render_pre_effect_updates(Eina_Array *rects, Evas_Object *obj, int is_v, int was_v)
+evas_object_render_pre_effect_updates(Eina_Array *rects, Evas_Object *obj, int is_v, int was_v __UNUSED__)
 {
    Eina_Rectangle *r;
    Evas_Object *clipper;
@@ -241,7 +241,6 @@ evas_object_render_pre_effect_updates(Eina_Array *rects, Evas_Object *obj, int i
 
    if (obj->smart.smart) goto end;
    /* FIXME: was_v isn't used... why? */
-   was_v = 0;
    if (!obj->clip.clipees)
      {
         EINA_ARRAY_ITER_NEXT(rects, i, r, it)
diff --git a/legacy/evas/src/lib/engines/common/evas_polygon_main.c b/legacy/evas/src/lib/engines/common/evas_polygon_main.c
index ea0bf1315d..6840d60f66 100644
--- a/legacy/evas/src/lib/engines/common/evas_polygon_main.c
+++ b/legacy/evas/src/lib/engines/common/evas_polygon_main.c
@@ -133,7 +133,7 @@ evas_common_polygon_draw(RGBA_Image *dst, RGBA_Draw_Context *dc, RGBA_Polygon_Po
    int                num_active_edges;
    int                n;
    int                i, j, k;
-   int                y0, y1, yi;
+   int                yy0, yy1, yi;
    int                ext_x, ext_y, ext_w, ext_h;
    int               *sorted_index;
 
@@ -211,14 +211,14 @@ evas_common_polygon_draw(RGBA_Image *dst, RGBA_Draw_Context *dc, RGBA_Polygon_Po
 	k++;
      }
 
-   y0 = MAX(ext_y, ceil(point[sorted_index[0]].y - 0.5));
-   y1 = MIN(ext_y + ext_h - 1, floor(point[sorted_index[n - 1]].y - 0.5));
+   yy0 = MAX(ext_y, ceil(point[sorted_index[0]].y - 0.5));
+   yy1 = MIN(ext_y + ext_h - 1, floor(point[sorted_index[n - 1]].y - 0.5));
 
    k = 0;
    num_active_edges = 0;
    spans = NULL;
 
-   for (yi = y0; yi <= y1; yi++)
+   for (yi = yy0; yi <= yy1; yi++)
      {
 	for (; (k < n) && (point[sorted_index[k]].y <= ((double)yi + 0.5)); k++)
 	  {
diff --git a/legacy/evas/src/lib/engines/common/evas_scale_sample.c b/legacy/evas/src/lib/engines/common/evas_scale_sample.c
index a8951b8353..c721c5e740 100644
--- a/legacy/evas/src/lib/engines/common/evas_scale_sample.c
+++ b/legacy/evas/src/lib/engines/common/evas_scale_sample.c
@@ -90,7 +90,6 @@ scale_rgba_in_to_out_clip_sample_internal(RGBA_Image *src, RGBA_Image *dst,
    DATA32  *buf, *dptr;
    DATA32 **row_ptr;
    DATA32  *ptr, *dst_ptr, *src_data, *dst_data;
-   int      dst_jump;
    int      dst_clip_x, dst_clip_y, dst_clip_w, dst_clip_h;
    int      m_clip_x = 0, m_clip_y = 0, m_clip_w = 0, m_clip_h = 0, mdx = 0, mdy = 0;
    int      src_w, src_h, dst_w, dst_h;
@@ -248,7 +247,7 @@ scale_rgba_in_to_out_clip_sample_internal(RGBA_Image *src, RGBA_Image *dst,
    row_ptr = alloca(dst_clip_h * sizeof(DATA32 *));
 
    /* figure out dst jump */
-   dst_jump = dst_w - dst_clip_w;
+   //dst_jump = dst_w - dst_clip_w;
 
    /* figure out dest start ptr */
    dst_ptr = dst_data + dst_clip_x + (dst_clip_y * dst_w);
diff --git a/legacy/evas/src/lib/engines/common/evas_scale_smooth_scaler_downx.c b/legacy/evas/src/lib/engines/common/evas_scale_smooth_scaler_downx.c
index 50b2e5c20f..a443c85b89 100644
--- a/legacy/evas/src/lib/engines/common/evas_scale_smooth_scaler_downx.c
+++ b/legacy/evas/src/lib/engines/common/evas_scale_smooth_scaler_downx.c
@@ -3,7 +3,7 @@
    DATA32 *pix, *dptr, *pbuf, **yp;
    int r, g, b, a, rr, gg, bb, aa;
    int *xp, xap, yap, pos;
-   int dyy, dxx;
+   //int dyy, dxx;
    int w = dst_clip_w;
 #ifdef EVAS_SLI
    int ysli = dst_clip_y;
@@ -11,8 +11,8 @@
 
    dptr = dst_ptr;
    pos = (src_region_y * src_w) + src_region_x;
-   dyy = dst_clip_y - dst_region_y;
-   dxx = dst_clip_x - dst_region_x;
+   //dyy = dst_clip_y - dst_region_y;
+   //dxx = dst_clip_x - dst_region_x;
 
    xp = xpoints;// + dxx;
    yp = ypoints;// + dyy;
diff --git a/legacy/evas/src/lib/engines/common/evas_scale_smooth_scaler_downx_downy.c b/legacy/evas/src/lib/engines/common/evas_scale_smooth_scaler_downx_downy.c
index ab0c74ecaa..73da3a0eab 100644
--- a/legacy/evas/src/lib/engines/common/evas_scale_smooth_scaler_downx_downy.c
+++ b/legacy/evas/src/lib/engines/common/evas_scale_smooth_scaler_downx_downy.c
@@ -3,7 +3,7 @@
    DATA32 *dptr, *sptr, *pix, *pbuf;
    int a, r, g, b, rx, gx, bx, ax;
    int xap, yap, pos;
-   int dyy, dxx;
+   //int dyy, dxx;
 #ifdef EVAS_SLI
    int ysli = dst_clip_y;
 #endif
@@ -14,8 +14,8 @@
 
    dptr = dst_ptr;
    pos = (src_region_y * src_w) + src_region_x;
-   dyy = dst_clip_y - dst_region_y;
-   dxx = dst_clip_x - dst_region_x;
+   //dyy = dst_clip_y - dst_region_y;
+   //dxx = dst_clip_x - dst_region_x;
 
    xp = xpoints;// + dxx;
    yp = ypoints;// + dyy;
diff --git a/legacy/evas/src/lib/engines/common/evas_scale_smooth_scaler_downy.c b/legacy/evas/src/lib/engines/common/evas_scale_smooth_scaler_downy.c
index 4c5448e271..3b7585d22f 100644
--- a/legacy/evas/src/lib/engines/common/evas_scale_smooth_scaler_downy.c
+++ b/legacy/evas/src/lib/engines/common/evas_scale_smooth_scaler_downy.c
@@ -3,7 +3,7 @@
    DATA32 *dptr, *pix, *pbuf, **yp;
    int r, g, b, a, rr, gg, bb, aa;
    int *xp, xap, yap, pos;
-   int dyy, dxx;
+   //int dyy, dxx;
    int w = dst_clip_w;
 #ifdef EVAS_SLI
    int ysli = dst_clip_y;
@@ -11,8 +11,8 @@
 
    dptr = dst_ptr;
    pos = (src_region_y * src_w) + src_region_x;
-   dyy = dst_clip_y - dst_region_y;
-   dxx = dst_clip_x - dst_region_x;
+   //dyy = dst_clip_y - dst_region_y;
+   //dxx = dst_clip_x - dst_region_x;
 
    xp = xpoints;// + dxx;
    yp = ypoints;// + dyy;
diff --git a/legacy/evas/src/modules/engines/buffer/evas_engine.c b/legacy/evas/src/modules/engines/buffer/evas_engine.c
index 355ef7e894..f919c58da1 100644
--- a/legacy/evas/src/modules/engines/buffer/evas_engine.c
+++ b/legacy/evas/src/modules/engines/buffer/evas_engine.c
@@ -358,20 +358,14 @@ eng_output_redraws_next_update_push(void *data, void *surface, int x, int y, int
 }
 
 static void
-eng_output_flush(void *data)
+eng_output_flush(void *data __UNUSED__)
 {
-   Render_Engine *re;
-
-   re = (Render_Engine *)data;
    evas_buffer_outbuf_buf_switch_buffer(re->ob);
 }
 
 static void
-eng_output_idle_flush(void *data)
+eng_output_idle_flush(void *data __UNUSED__)
 {
-   Render_Engine *re;
-
-   re = (Render_Engine *)data;
 }
 
 static Eina_Bool
diff --git a/legacy/evas/src/modules/engines/buffer/evas_outbuf.c b/legacy/evas/src/modules/engines/buffer/evas_outbuf.c
index db42f23481..0fa1842fe1 100644
--- a/legacy/evas/src/modules/engines/buffer/evas_outbuf.c
+++ b/legacy/evas/src/modules/engines/buffer/evas_outbuf.c
@@ -25,7 +25,6 @@ evas_buffer_outbuf_buf_setup_fb(int w, int h, Outbuf_Depth depth, void *dest, in
 				)
 {
    Outbuf *buf;
-   int bpp;
    
    buf = calloc(1, sizeof(Outbuf));
    if (!buf) return NULL;
@@ -47,11 +46,6 @@ evas_buffer_outbuf_buf_setup_fb(int w, int h, Outbuf_Depth depth, void *dest, in
    buf->func.switch_buffer = switch_buffer;
    buf->switch_data = switch_data;
 
-   bpp = sizeof(DATA32);
-   if ((buf->depth == OUTBUF_DEPTH_RGB_24BPP_888_888) ||
-       (buf->depth == OUTBUF_DEPTH_BGR_24BPP_888_888))
-     bpp = 3;
-
    if ((buf->depth == OUTBUF_DEPTH_ARGB_32BPP_8888_8888) &&
        (buf->dest) && (buf->dest_row_bytes == (buf->w * sizeof(DATA32))))
      {
diff --git a/legacy/evas/src/modules/engines/fb/evas_engine.c b/legacy/evas/src/modules/engines/fb/evas_engine.c
index 7681b00d67..e15c02b811 100644
--- a/legacy/evas/src/modules/engines/fb/evas_engine.c
+++ b/legacy/evas/src/modules/engines/fb/evas_engine.c
@@ -74,7 +74,7 @@ _output_setup(int w, int h, int rot, int vt, int dev, int refresh)
 
 /* engine api this module provides */
 static void *
-eng_info(Evas *e)
+eng_info(Evas *e __UNUSED__)
 {
    Evas_Engine_Info_FB *info;
    info = calloc(1, sizeof(Evas_Engine_Info_FB));
@@ -82,7 +82,6 @@ eng_info(Evas *e)
    info->magic.magic = rand();
    info->render_mode = EVAS_RENDER_MODE_BLOCKING;
    return info;
-   e = NULL;
 }
 
 static void
@@ -231,19 +230,13 @@ eng_output_redraws_next_update_push(void *data, void *surface, int x, int y, int
 }
 
 static void
-eng_output_flush(void *data)
+eng_output_flush(void *data __UNUSED__)
 {
-   Render_Engine *re;
-
-   re = (Render_Engine *)data;
 }
 
 static void
-eng_output_idle_flush(void *data)
+eng_output_idle_flush(void *data __UNUSED__)
 {
-   Render_Engine *re;
-
-   re = (Render_Engine *)data;
 }
 
 static Eina_Bool
diff --git a/legacy/evas/src/modules/engines/fb/evas_outbuf.c b/legacy/evas/src/modules/engines/fb/evas_outbuf.c
index 57cf7a6850..7ae24c5e1e 100644
--- a/legacy/evas/src/modules/engines/fb/evas_outbuf.c
+++ b/legacy/evas/src/modules/engines/fb/evas_outbuf.c
@@ -25,7 +25,7 @@ evas_fb_outbuf_fb_setup_fb(int w, int h, int rot, Outbuf_Depth depth, int vt_no,
    /* setup window and/or fb */
    /* if (dithered) create backbuf */
    Outbuf *buf;
-   int fb_fd = -1;
+   int fb_fd;
    int fb_depth;
 
    fb_depth = -1;
@@ -51,6 +51,11 @@ evas_fb_outbuf_fb_setup_fb(int w, int h, int rot, Outbuf_Depth depth, int vt_no,
 	return NULL;
      }
    fb_fd = fb_postinit(buf->priv.fb.fb);
+   if (fb_fd < 1)
+     {
+        free(buf);
+        return NULL;
+     }
 
    if (rot == 0 || rot == 180)
      {
diff --git a/legacy/evas/src/modules/engines/software_generic/evas_engine.c b/legacy/evas/src/modules/engines/software_generic/evas_engine.c
index 48944dd8a4..b7b98886fe 100644
--- a/legacy/evas/src/modules/engines/software_generic/evas_engine.c
+++ b/legacy/evas/src/modules/engines/software_generic/evas_engine.c
@@ -591,11 +591,8 @@ eng_image_border_set(void *data __UNUSED__, void *image, int l __UNUSED__, int r
 }
 
 static void
-eng_image_border_get(void *data __UNUSED__, void *image, int *l __UNUSED__, int *r __UNUSED__, int *t __UNUSED__, int *b __UNUSED__)
+eng_image_border_get(void *data __UNUSED__, void *image __UNUSED__, int *l __UNUSED__, int *r __UNUSED__, int *t __UNUSED__, int *b __UNUSED__)
 {
-   RGBA_Image *im;
-
-   im = image;
 }
 
 static char *
@@ -704,18 +701,16 @@ eng_image_size_get(void *data __UNUSED__, void *image, int *w, int *h)
 static void *
 eng_image_size_set(void *data __UNUSED__, void *image, int w, int h)
 {
-   Image_Entry *im;
-
-   im = image;
-   return evas_cache_image_size_set(image, w, h);
+   Image_Entry *im = image;
+   if (!im) return NULL;
+   return evas_cache_image_size_set(im, w, h);
 }
 
 static void *
 eng_image_dirty_region(void *data __UNUSED__, void *image, int x, int y, int w, int h)
 {
    Image_Entry *im = image;
-
-   if (!image) return NULL;
+   if (!im) return NULL;
    return evas_cache_image_dirty(im, x, y, w, h);
 }
 
@@ -931,11 +926,10 @@ static void *
 eng_image_map_surface_new(void *data __UNUSED__, int w, int h, int alpha)
 {
    void *surface;
-   DATA32 *pixels;
    surface = evas_cache_image_copied_data(evas_common_image_cache_get(), 
                                           w, h, NULL, alpha, 
                                           EVAS_COLORSPACE_ARGB8888);
-   pixels = evas_cache_image_pixels(surface);
+   evas_cache_image_pixels(surface);
    return surface;
 }
 
@@ -2519,7 +2513,7 @@ evgl_glShaderSource(GLuint shader, GLsizei count, const char** string, const GLi
 
 
 static void
-evgl_glGetShaderPrecisionFormat(GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision)
+evgl_glGetShaderPrecisionFormat(GLenum shadertype __UNUSED__, GLenum precisiontype __UNUSED__, GLint* range, GLint* precision)
 {
    if (range)
      {
@@ -2531,7 +2525,6 @@ evgl_glGetShaderPrecisionFormat(GLenum shadertype, GLenum precisiontype, GLint*
         precision[0] = 24; // floor(-log2((1.0/16777218.0)));
      }
    return;
-   shadertype = precisiontype = 0;
 }
 
 static void