[llbuild3] Fix x86 compile errors/warnings

Author: dmbryson

llbuild.xcodeproj/project.pbxproj

@@ -11595,14 +11595,17 @@
 				GCC_ENABLE_CPP_RTTI = YES;
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
 				GCC_WARN_UNUSED_FUNCTION = NO;
+				GCC_WARN_UNUSED_VARIABLE = NO;
 				MACOSX_DEPLOYMENT_TARGET = 14.6;
+				OTHER_CFLAGS = (
+					"-DBLAKE3_NO_AVX512",
+					"-DBLAKE3_NO_SSE41",
+					"-DBLAKE3_NO_AVX2",
+				);
 				OTHER_CPLUSPLUSFLAGS = (
 					"$(OTHER_CFLAGS)",
 					"-Wimplicit-fallthrough",
 					"-Wno-deprecated-this-capture",
-					"-DBLAKE3_NO_AVX2",
-					"-DBLAKE3_NO_AVX512",
-					"-DBLAKE3_NO_SSE41",
 				);
 				USER_HEADER_SEARCH_PATHS = (
 					"$(PROJECT_DIR)/include",
@@ -11626,14 +11629,17 @@
 				GCC_ENABLE_CPP_RTTI = YES;
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
 				GCC_WARN_UNUSED_FUNCTION = NO;
+				GCC_WARN_UNUSED_VARIABLE = NO;
 				MACOSX_DEPLOYMENT_TARGET = 14.6;
+				OTHER_CFLAGS = (
+					"-DBLAKE3_NO_AVX512",
+					"-DBLAKE3_NO_SSE41",
+					"-DBLAKE3_NO_AVX2",
+				);
 				OTHER_CPLUSPLUSFLAGS = (
 					"$(OTHER_CFLAGS)",
 					"-Wimplicit-fallthrough",
 					"-Wno-deprecated-this-capture",
-					"-DBLAKE3_NO_AVX2",
-					"-DBLAKE3_NO_AVX512",
-					"-DBLAKE3_NO_SSE41",
 				);
 				USER_HEADER_SEARCH_PATHS = (
 					"$(PROJECT_DIR)/include",

llbuild.xcodeproj/xcshareddata/xcschemes/llbuild3Tests.xcscheme

@@ -36,8 +36,7 @@
       ignoresPersistentStateOnLaunch = "NO"
       debugDocumentVersioning = "YES"
       debugServiceExtension = "internal"
-      allowLocationSimulation = "YES"
-      internalIOSLaunchStyle = "3">
+      allowLocationSimulation = "YES">
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

llbuild.xcodeproj/xcshareddata/xcschemes/llbuild3ThirdParty.xcscheme

@@ -39,8 +39,7 @@
       ignoresPersistentStateOnLaunch = "NO"
       debugDocumentVersioning = "YES"
       debugServiceExtension = "internal"
-      allowLocationSimulation = "YES"
-      internalIOSLaunchStyle = "3">
+      allowLocationSimulation = "YES">
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

thirdparty/BLAKE3/c/blake3_dispatch.c

@@ -15,7 +15,7 @@
 #endif
 
 #if defined(IS_X86)
-static uint64_t xgetbv() {
+static uint64_t xgetbv(void) {
 #if defined(_MSC_VER)
   return _xgetbv(0);
 #else