[macOS] Don’t compile in GL-related code or link GLEW

This seems sensible enough since macOS’s archaic, deprecated OpenGL
implementation isn’t supported by RPCS3 anyways. Also fixes some CI
fails caused by GLEW as a consequence.

Author: schm1dtmac

.ci/build-mac-arm64.sh

@@ -6,7 +6,7 @@ export HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK=1
 export HOMEBREW_NO_ENV_HINTS=1
 export HOMEBREW_NO_INSTALL_CLEANUP=1
 
-brew install -f --overwrite --quiet googletest opencv@4 ffmpeg@5 "llvm@$LLVM_COMPILER_VER" glew sdl3 vulkan-headers vulkan-loader
+brew install -f --overwrite --quiet googletest opencv@4 ffmpeg@5 "llvm@$LLVM_COMPILER_VER" sdl3 vulkan-headers vulkan-loader
 brew unlink --quiet ffmpeg qtbase qtsvg qtdeclarative
 
 brew link -f --quiet "llvm@$LLVM_COMPILER_VER" ffmpeg@5

.ci/build-mac.sh

@@ -10,7 +10,7 @@ brew install -f --overwrite --quiet ccache "llvm@$LLVM_COMPILER_VER"
 brew link -f --overwrite --quiet "llvm@$LLVM_COMPILER_VER"
 # shellcheck disable=SC3009
 arch -x86_64 /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
-arch -x86_64 /usr/local/bin/brew install -f --overwrite --quiet python@3.14 opencv@4 ffmpeg@5 "llvm@$LLVM_COMPILER_VER" glew sdl3 vulkan-headers vulkan-loader
+arch -x86_64 /usr/local/bin/brew install -f --overwrite --quiet python@3.14 opencv@4 ffmpeg@5 "llvm@$LLVM_COMPILER_VER" sdl3 vulkan-headers vulkan-loader
 arch -x86_64 /usr/local/bin/brew unlink  --quiet ffmpeg qtbase qtsvg qtdeclarative
 arch -x86_64 /usr/local/bin/brew link -f --overwrite --quiet "llvm@$LLVM_COMPILER_VER" ffmpeg@5
 

3rdparty/CMakeLists.txt

@@ -107,7 +107,7 @@ add_subdirectory(yaml-cpp)
 
 # OpenGL
 
-if (NOT ANDROID)
+if (NOT ANDROID AND NOT APPLE)
 	find_package(OpenGL REQUIRED OPTIONAL_COMPONENTS EGL)
 
 	add_library(3rdparty_opengl INTERFACE)
@@ -119,8 +119,6 @@ if (NOT ANDROID)
 		else()
 			target_link_libraries(3rdparty_opengl INTERFACE dxgi.lib d2d1.lib dwrite.lib)
 		endif()
-	elseif(APPLE)
-		target_link_libraries(3rdparty_opengl INTERFACE OpenGL::GL OpenGL::GLU)
 	else()
 		target_link_libraries(3rdparty_opengl INTERFACE OpenGL::GL OpenGL::GLU OpenGL::GLX)
 	endif()
@@ -335,7 +333,7 @@ endif()
 
 # GLEW
 add_library(3rdparty_glew INTERFACE)
-if(NOT MSVC AND NOT ANDROID)
+if(NOT MSVC AND NOT ANDROID AND NOT APPLE)
 	find_package(GLEW REQUIRED)
 	target_link_libraries(3rdparty_glew INTERFACE GLEW::GLEW)
 endif()

rpcs3/Emu/CMakeLists.txt

@@ -545,7 +545,7 @@ target_sources(rpcs3_emu PRIVATE
     RSX/rsx_vertex_data.cpp
 )
 
-if(NOT ANDROID)
+if(NOT ANDROID AND NOT APPLE)
     target_sources(rpcs3_emu PRIVATE
         RSX/GL/GLCommonDecompiler.cpp
         RSX/GL/GLCompute.cpp