From d526b8a1e9b09371a32c0ebb159de094143d7ba7 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Thu, 2 Mar 2017 13:33:04 -0500
Subject: [PATCH] Some patches to make SDL compile with armcc (ARM's C
 compiler).

---
 include/begin_code.h     | 2 +-
 src/SDL.c                | 4 ++--
 src/SDL_internal.h       | 2 +-
 src/audio/SDL_audiocvt.c | 5 ++++-
 src/video/SDL_shape.c    | 8 +++++++-
 5 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/include/begin_code.h b/include/begin_code.h
index d2d45f7e1f54f..444068fda49f5 100644
--- a/include/begin_code.h
+++ b/include/begin_code.h
@@ -111,7 +111,7 @@
 #elif defined(_MSC_VER) || defined(__BORLANDC__) || \
       defined(__DMC__) || defined(__SC__) || \
       defined(__WATCOMC__) || defined(__LCC__) || \
-      defined(__DECC)
+      defined(__DECC) || defined(__CC_ARM)
 #define SDL_INLINE __inline
 #ifndef __inline__
 #define __inline__ __inline
diff --git a/src/SDL.c b/src/SDL.c
index bcfc8e00bf8fa..0ed49a261978a 100644
--- a/src/SDL.c
+++ b/src/SDL.c
@@ -78,7 +78,7 @@ SDL_PrivateShouldInitSubsystem(Uint32 subsystem)
 {
     int subsystem_index = SDL_MostSignificantBitIndex32(subsystem);
     SDL_assert(SDL_SubsystemRefCount[subsystem_index] < 255);
-    return (SDL_SubsystemRefCount[subsystem_index] == 0);
+    return (SDL_SubsystemRefCount[subsystem_index] == 0) ? SDL_TRUE : SDL_FALSE;
 }
 
 /* Private helper to check if a system needs to be quit. */
@@ -92,7 +92,7 @@ SDL_PrivateShouldQuitSubsystem(Uint32 subsystem) {
     /* If we're in SDL_Quit, we shut down every subsystem, even if refcount
      * isn't zero.
      */
-    return SDL_SubsystemRefCount[subsystem_index] == 1 || SDL_bInMainQuit;
+    return (SDL_SubsystemRefCount[subsystem_index] == 1 || SDL_bInMainQuit) ? SDL_TRUE : SDL_FALSE;
 }
 
 void
diff --git a/src/SDL_internal.h b/src/SDL_internal.h
index 0669275e496be..654895cbe2055 100644
--- a/src/SDL_internal.h
+++ b/src/SDL_internal.h
@@ -29,7 +29,7 @@
 /* This is for a variable-length array at the end of a struct:
     struct x { int y; char z[SDL_VARIABLE_LENGTH_ARRAY]; };
    Use this because GCC 2 needs different magic than other compilers. */
-#if (defined(__GNUC__) && (__GNUC__ <= 2))
+#if (defined(__GNUC__) && (__GNUC__ <= 2)) || defined(__CC_ARM)
 #define SDL_VARIABLE_LENGTH_ARRAY 1
 #else
 #define SDL_VARIABLE_LENGTH_ARRAY
diff --git a/src/audio/SDL_audiocvt.c b/src/audio/SDL_audiocvt.c
index 691fb39f9530a..41ad345812c62 100644
--- a/src/audio/SDL_audiocvt.c
+++ b/src/audio/SDL_audiocvt.c
@@ -439,7 +439,10 @@ SDL_ResampleCVT_si16_c2(SDL_AudioCVT *cvt, SDL_AudioFormat format)
     const int srclen = cvt->len_cvt;
     Sint16 *dst = (Sint16 *) cvt->buf;
     const int dstlen = (cvt->len * cvt->len_mult);
-    Sint16 state[2] = { src[0], src[1] };
+    Sint16 state[2];
+
+    state[0] = src[0];
+    state[1] = src[1];
 
     SDL_assert(format == AUDIO_S16SYS);
 
diff --git a/src/video/SDL_shape.c b/src/video/SDL_shape.c
index d2c3af4dbc65b..799266bdfafc3 100644
--- a/src/video/SDL_shape.c
+++ b/src/video/SDL_shape.c
@@ -206,8 +206,14 @@ RecursivelyCalculateShapeTree(SDL_WindowShapeMode mode,SDL_Surface* mask,SDL_Rec
 SDL_ShapeTree*
 SDL_CalculateShapeTree(SDL_WindowShapeMode mode,SDL_Surface* shape)
 {
-    SDL_Rect dimensions = {0,0,shape->w,shape->h};
+    SDL_Rect dimensions;
     SDL_ShapeTree* result = NULL;
+
+    dimensions.x = 0;
+    dimensions.y = 0;
+    dimensions.w = shape->w;
+    dimensions.h = shape->h;
+
     if(SDL_MUSTLOCK(shape))
         SDL_LockSurface(shape);
     result = RecursivelyCalculateShapeTree(mode,shape,dimensions);