[cmake] Add ENABLE_WERROR option

Signed-off-by: lizzie <lizzie@eden-emu.dev>

docs/Options.md

@@ -46,6 +46,8 @@ These options control dependencies.
 - `YUZU_INSTALL_UDEV_RULES` (OFF) Install udev rules to enable hidraw access
   - Needed for gyroscopes
   - Only available on Linux
+- `ENABLE_DEBUG_TOOLS` (OFF) Enables debugging and development tools, see [tools](../tools/README.md).
+- `ENABLE_WERROR` (OFF) Enables warnings as errors (-Werror).
 
 ### Flavors
 

src/CMakeLists.txt

@@ -155,12 +155,15 @@ else()
             $<$<COMPILE_LANGUAGE:CXX>:-fno-rtti>)
     endif()
 
+    if (ENABLE_WERROR)
+        add_compile_options($<$<COMPILE_LANGUAGE:C,CXX>:-Werror>)
+    endif()
     add_compile_options(
-        $<$<COMPILE_LANGUAGE:C,CXX>:-Werror=all>
-        $<$<COMPILE_LANGUAGE:C,CXX>:-Werror=extra>
-        $<$<COMPILE_LANGUAGE:C,CXX>:-Werror=missing-declarations>
-        $<$<COMPILE_LANGUAGE:C,CXX>:-Werror=shadow>
-        $<$<COMPILE_LANGUAGE:C,CXX>:-Werror=unused>
+        $<$<COMPILE_LANGUAGE:C,CXX>:-Wall>
+        $<$<COMPILE_LANGUAGE:C,CXX>:-Wextra>
+        $<$<COMPILE_LANGUAGE:C,CXX>:-Wmissing-declarations>
+        $<$<COMPILE_LANGUAGE:C,CXX>:-Wshadow>
+        $<$<COMPILE_LANGUAGE:C,CXX>:-Wunused>
         $<$<COMPILE_LANGUAGE:C,CXX>:-Wno-attributes>
         $<$<COMPILE_LANGUAGE:C,CXX>:-Wno-invalid-offsetof>
         $<$<COMPILE_LANGUAGE:C,CXX>:-Wno-unused-parameter>
@@ -169,9 +172,9 @@ else()
     if (CXX_CLANG OR CXX_ICC OR CXX_APPLE) # Clang, AppleClang, or Intel C++
         if (NOT MSVC)
             add_compile_options(
-                $<$<COMPILE_LANGUAGE:C,CXX>:-Werror=shadow-uncaptured-local>
-                $<$<COMPILE_LANGUAGE:C,CXX>:-Werror=implicit-fallthrough>
-                $<$<COMPILE_LANGUAGE:C,CXX>:-Werror=type-limits>)
+                $<$<COMPILE_LANGUAGE:C,CXX>:-Wshadow-uncaptured-local>
+                $<$<COMPILE_LANGUAGE:C,CXX>:-Wimplicit-fallthrough>
+                $<$<COMPILE_LANGUAGE:C,CXX>:-Wtype-limits>)
         endif()
         add_compile_options(
             $<$<COMPILE_LANGUAGE:C,CXX>:-Wno-braced-scalar-init>

src/audio_core/CMakeLists.txt

@@ -222,7 +222,7 @@ if (MSVC)
     )
 else()
     target_compile_options(audio_core PRIVATE
-        $<$<COMPILE_LANGUAGE:C,CXX>:-Werror=conversion>
+        $<$<COMPILE_LANGUAGE:C,CXX>:-Wconversion>
         $<$<COMPILE_LANGUAGE:C,CXX>:-Wno-sign-conversion>)
 endif()
 

src/common/CMakeLists.txt

@@ -220,7 +220,7 @@ endif()
 if(CXX_CLANG)
     target_compile_options(common PRIVATE
         $<$<COMPILE_LANGUAGE:C,CXX>:-fsized-deallocation>
-        $<$<COMPILE_LANGUAGE:C,CXX>:-Werror=unreachable-code-aggressive>)
+        $<$<COMPILE_LANGUAGE:C,CXX>:-Wunreachable-code-aggressive>)
     target_compile_definitions(
         common
         PRIVATE

src/core/CMakeLists.txt

@@ -1199,7 +1199,7 @@ if (MSVC)
     )
 else()
     target_compile_options(core PRIVATE
-        $<$<COMPILE_LANGUAGE:C,CXX>:-Werror=conversion>
+        $<$<COMPILE_LANGUAGE:C,CXX>:-Wconversion>
         $<$<COMPILE_LANGUAGE:C,CXX>:-Wno-sign-conversion>
         $<$<COMPILE_LANGUAGE:C,CXX>:-Wno-cast-function-type>
         $<$<CXX_COMPILER_ID:Clang>:-fsized-deallocation>)

src/hid_core/CMakeLists.txt

@@ -151,7 +151,7 @@ if (MSVC)
     )
 else()
     target_compile_options(hid_core PRIVATE
-        $<$<COMPILE_LANGUAGE:C,CXX>:-Werror=conversion>
+        $<$<COMPILE_LANGUAGE:C,CXX>:-Wconversion>
         $<$<COMPILE_LANGUAGE:C,CXX>:-Wno-sign-conversion>
         $<$<COMPILE_LANGUAGE:C,CXX>:-Wno-cast-function-type>
         $<$<CXX_COMPILER_ID:Clang>:-fsized-deallocation>)

src/input_common/CMakeLists.txt

@@ -44,7 +44,7 @@ if (MSVC)
         /we4800 # Implicit conversion from 'type' to bool. Possible information loss
     )
 else()
-    target_compile_options(input_common PRIVATE $<$<COMPILE_LANGUAGE:C,CXX>:-Werror=conversion>)
+    target_compile_options(input_common PRIVATE $<$<COMPILE_LANGUAGE:C,CXX>:-Wconversion>)
 endif()
 
 if (ANDROID)

src/shader_recompiler/CMakeLists.txt

@@ -253,7 +253,7 @@ if (MSVC)
     )
 else()
     target_compile_options(shader_recompiler PRIVATE
-        $<$<COMPILE_LANGUAGE:C,CXX>:-Werror=conversion>
+        $<$<COMPILE_LANGUAGE:C,CXX>:-Wconversion>
         # Bracket depth determines maximum size of a fold expression in Clang since 9c9974c3ccb6.
         # And this in turns limits the size of a std::array.
         $<$<CXX_COMPILER_ID:Clang>:-fbracket-depth=1024>

src/video_core/CMakeLists.txt

@@ -371,7 +371,7 @@ else()
             $<$<COMPILE_LANGUAGE:C,CXX>:-Wno-shadow>
             $<$<COMPILE_LANGUAGE:C,CXX>:-Wno-unused-local-typedef>)
     else()
-        target_compile_options(video_core PRIVATE $<$<COMPILE_LANGUAGE:C,CXX>:-Werror=conversion>)
+        target_compile_options(video_core PRIVATE $<$<COMPILE_LANGUAGE:C,CXX>:-Wconversion>)
     endif()
 
     target_compile_options(video_core PRIVATE $<$<COMPILE_LANGUAGE:C,CXX>:-Wno-sign-conversion>)