Merge pull request #133 from Hyenadae/osx_build_clean

OSX_BUILD cleaned commit (new rebase from Master)

Makefile

@@ -23,8 +23,9 @@ TARGET_N64 = 0
 
 # Build and optimize for Raspberry Pi(s)
 TARGET_RPI ?= 0
-# Compiler to use (ido or gcc)
-# COMPILER ?= ido // Old Default
+
+# Makeflag to enable OSX fixes
+OSX_BUILD ?= 0
 
 # Disable better camera by default
 BETTERCAMERA ?= 0
@@ -142,6 +143,10 @@ ifeq ($(TARGET_RPI),1) # Define RPi to change SDL2 title & GLES2 hints
       VERSION_CFLAGS += -DUSE_GLES
 endif
 
+ifeq ($(OSX_BUILD),1) # Modify GFX & SDL2 for OSX GL
+     VERSION_CFLAGS += -DOSX_BUILD
+endif
+
 VERSION_ASFLAGS := --defsym AVOID_UB=1
 COMPARE := 0
 
@@ -168,7 +173,7 @@ endif
 endif
 
 # Make tools if out of date
-DUMMY != make -s -C tools >&2 || echo FAIL
+DUMMY != make -C tools >&2 || echo FAIL
 ifeq ($(DUMMY),FAIL)
   $(error Failed to build tools)
 endif
@@ -411,6 +416,10 @@ ENDIAN_BITWIDTH := $(BUILD_DIR)/endian-and-bitwidth
 
 AS := as
 
+ifeq ($(OSX_BUILD),1)
+AS := i686-w64-mingw32-as
+endif
+
 ifneq ($(TARGET_WEB),1) # As in, not-web PC port
   CC := $(CROSS)gcc
   CXX := $(CROSS)g++
@@ -433,11 +442,19 @@ endif
 ifeq ($(WINDOWS_BUILD),1) # fixes compilation in MXE on Linux and WSL
   CPP := cpp -P
   OBJCOPY := objcopy
+  OBJDUMP := $(CROSS)objdump
 else
+ifeq ($(OSX_BUILD),1)
+ CPP := cpp-9 -P
+ OBJDUMP := i686-w64-mingw32-objdump
+ OBJCOPY := i686-w64-mingw32-objcopy
+else # Linux & other builds
   CPP := $(CROSS)cpp -P
   OBJCOPY := $(CROSS)objcopy
-endif
   OBJDUMP := $(CROSS)objdump
+endif
+endif
+
 PYTHON := python3
 SDLCONFIG := $(CROSS)sdl2-config
 
@@ -500,9 +517,12 @@ else ifeq ($(TARGET_RPI),1)
 # Linux / Other builds below
 LDFLAGS := $(OPT_FLAGS) -lm -lGLESv2 `$(SDLCONFIG) --libs` -no-pie
 else
+ifeq ($(OSX_BUILD),1)
+LDFLAGS := -lm -framework OpenGL `$(SDLCONFIG) --libs` -no-pie -lpthread `pkg-config --libs libusb-1.0 glfw3 glew`
+else
 LDFLAGS := $(BITS) -march=$(TARGET_ARCH) -lm -lGL `$(SDLCONFIG) --libs` -no-pie -lpthread
 endif
-
+endif # End of LDFLAGS
 
 # Prevent a crash with -sopt
 export LANG := C
@@ -755,7 +775,6 @@ $(BUILD_DIR)/src/audio/%.copt: $(BUILD_DIR)/src/audio/%.acpp
 	$(QEMU_IRIX) -silent -L $(IRIX_ROOT) $(IRIX_ROOT)/usr/lib/copt -signed -I=$< -CMP=$@ -cp=i -scalaroptimize=1
 endif
 
-
 # Rebuild files with 'GLOBAL_ASM' if the NON_MATCHING flag changes.
 $(GLOBAL_ASM_O_FILES): $(GLOBAL_ASM_DEP).$(NON_MATCHING)
 $(GLOBAL_ASM_DEP).$(NON_MATCHING):

lib/src/ldiv.c

@@ -1,6 +1,7 @@
 #include "libultra_internal.h"
 #include <stdlib.h>
 
+#ifndef OSX_BUILD
 lldiv_t lldiv(long long num, long long denom) {
     lldiv_t ret;
 
@@ -13,6 +14,7 @@ lldiv_t lldiv(long long num, long long denom) {
 
     return ret;
 }
+#endif // OSX_BUILD cannot use this
 
 ldiv_t ldiv(long num, long denom) {
     ldiv_t ret;

lib/src/math/cosf.c

@@ -33,6 +33,7 @@ static const du pilo = {
 static const fu zero = {0.0};
 extern const fu NAN;
 
+#ifndef OSX_BUILD 
 float cosf(float x)
 {
 	double dx;  // double x
@@ -92,3 +93,5 @@ float cosf(float x)
 
 	return zero.f;
 }
+#endif // OSX_BUILD cannot use this
+

src/pc/gfx/gfx_opengl.c

@@ -18,12 +18,19 @@
 #include <SDL2/SDL.h>
 #define GL_GLEXT_PROTOTYPES 1
 #include <SDL2/SDL_opengl.h>
+
 #else
 #include <SDL2/SDL.h>
 #define GL_GLEXT_PROTOTYPES 1
+
+#ifdef OSX_BUILD
+#include <SDL2/SDL_opengl.h>
+#else
 #include <SDL2/SDL_opengles2.h>
 #endif
 
+#endif
+
 #include "gfx_cc.h"
 #include "gfx_rendering_api.h"
 
@@ -187,7 +194,11 @@ static struct ShaderProgram *gfx_opengl_create_and_load_new_shader(uint32_t shad
     size_t num_floats = 4;
 
     // Vertex shader
+#ifdef OSX_BUILD
+    append_line(vs_buf, &vs_len, "");
+#else
     append_line(vs_buf, &vs_len, "#version 100");
+#endif
     append_line(vs_buf, &vs_len, "attribute vec4 aVtxPos;");
     if (used_textures[0] || used_textures[1]) {
         append_line(vs_buf, &vs_len, "attribute vec2 aTexCoord;");
@@ -218,8 +229,13 @@ static struct ShaderProgram *gfx_opengl_create_and_load_new_shader(uint32_t shad
     append_line(vs_buf, &vs_len, "}");
 
     // Fragment shader
+#ifdef OSX_BUILD
+    append_line(fs_buf, &fs_len, "");
+#else
     append_line(fs_buf, &fs_len, "#version 100");
     append_line(fs_buf, &fs_len, "precision mediump float;");
+#endif
+
     if (used_textures[0] || used_textures[1]) {
         append_line(fs_buf, &fs_len, "varying vec2 vTexCoord;");
     }
@@ -465,6 +481,10 @@ static void gfx_opengl_init(void) {
     glewInit();
 #endif
 
+#ifdef OSX_BUILD
+    glewInit();
+#endif
+
     glGenBuffers(1, &opengl_vbo);
     
     glBindBuffer(GL_ARRAY_BUFFER, opengl_vbo);

src/pc/gfx/gfx_sdl2.c

@@ -13,9 +13,15 @@
 #else
 #include <SDL2/SDL.h>
 #define GL_GLEXT_PROTOTYPES 1
+
+#ifdef OSX_BUILD
+#include <SDL2/SDL_opengl.h>
+#else
 #include <SDL2/SDL_opengles2.h>
 #endif
 
+#endif // End of OS-Specific GL defines
+
 #include "gfx_window_manager_api.h"
 #include "gfx_screen_config.h"
 #include "../configfile.h"

tools/Makefile

@@ -1,5 +1,10 @@
+UNAME := $(shell uname)
+ifeq ($(UNAME),Darwin)
+      OSX_BUILD := -DOSX_BUILD
+endif
+
 CC := gcc
-CFLAGS := -Llib -Iinclude -I . -Wall -Wextra -Wno-unused-parameter -pedantic -std=c99 -O3 -s
+CFLAGS := -Llib -Iinclude -I . -Wall -Wextra -Wno-unused-parameter $(OSX_BUILD) -pedantic -std=c99 -O3 -s
 PROGRAMS := n64graphics n64graphics_ci mio0 n64cksum textconv patch_libultra_math iplfontutil aifc_decode aiff_extract_codebook vadpcm_enc tabledesign extract_data_for_mio skyconv
 
 n64graphics_SOURCES := n64graphics.c utils.c
@@ -43,7 +48,7 @@ clean:
 
 define COMPILE
 $(1): $($1_SOURCES)
-	$(CC) $(CFLAGS) $$^ -lm -o $$@ $($1_CFLAGS)
+	$(CC) $(CFLAGS) $(OSX_BUILD) $$^ -lm -o $$@ $($1_CFLAGS)
 endef
 
 $(foreach p,$(PROGRAMS),$(eval $(call COMPILE,$(p))))

tools/n64graphics_ci_dir/exoquant/exoquant.c

@@ -23,7 +23,11 @@ SOFTWARE.
 */
 
 #include "exoquant.h"
+
+#ifndef OSX_BUILD // OSX build cannot have malloc defined
 #include <malloc.h>
+#endif
+
 #include <math.h>
 #include <stdlib.h>
 #include <stdio.h>