linux60: Restore O3 feature as the builtin config was removed

Fixes https://github.com/Frogging-Family/linux-tkg/issues/582

PKGBUILD

@@ -872,6 +872,8 @@ case $_basever in
         # MM Dirty Soft for WRITE_WATCH support in Wine
         0001-mm-Support-soft-dirty-flag-reset-for-VA-range.patch
         0002-mm-Support-soft-dirty-flag-read-with-reset.patch
+        # O3
+        0013-optimize_harder_O3.patch
     )
     sha256sums=('9fbca4f2bbea82311c877377497174b5521f33daf3b0e29cacec92601780e2b3'
             #upcoming_kernel_patch_sha256
@@ -894,7 +896,8 @@ case $_basever in
             '2ab9ea2d3ef43cfb5cf680ee2262f5671fd5ea980921f33abf2208f9892e9009'
             '213ecf1ba59dc87ed1844c3473d575b85ffe3a567f86735e8c6239c92dbbb493'
             '1b656ad96004f27e9dc63d7f430b50d5c48510d6d4cd595a81c24b21adb70313'
-            'b0319a7dff9c48b2f3e3d3597ee154bf92223149a633a8b7ce4026252db86da6')
+            'b0319a7dff9c48b2f3e3d3597ee154bf92223149a633a8b7ce4026252db86da6'
+            '8c3875e4935ecf258131f8da4ac819e9fb57439efff31549c0f11693c3601544')
 	;;
 esac
 

linux-tkg-config/prepare

@@ -1005,11 +1005,17 @@ _tkg_srcprep() {
       _disable "CC_OPTIMIZE_HARDER"
     fi
   elif [ "$_compileroptlevel" = "2" ]; then
-    _disable "CC_OPTIMIZE_FOR_PERFORMANCE"
-    if [ "$_basever" != "54" ]; then
-      _enable "CC_OPTIMIZE_FOR_PERFORMANCE_O3"
+    if [[ "$_basever" = 6* ]]; then
+      tkgpatch="$srcdir/0013-optimize_harder_O3.patch"
+      _msg="Patching O3 optimization"
+      _tkg_patcher
     else
-      _enable "CC_OPTIMIZE_HARDER"
+      _disable "CC_OPTIMIZE_FOR_PERFORMANCE"
+      if [ "$_basever" != "54" ]; then
+        _enable "CC_OPTIMIZE_FOR_PERFORMANCE_O3"
+      else
+        _enable "CC_OPTIMIZE_HARDER"
+      fi
     fi
   elif [ "$_compileroptlevel" = "3" ]; then
     _disable "CC_OPTIMIZE_FOR_PERFORMANCE"

linux-tkg-patches/6.0/0013-optimize_harder_O3.patch

@@ -0,0 +1,44 @@
+diff --git a/Makefile b/Makefile
+--- a/Makefile
++++ b/Makefile
+@@ -442,13 +442,13 @@ endif
+ HOSTPKG_CONFIG	= pkg-config
+
+ KBUILD_USERHOSTCFLAGS := -Wall -Wmissing-prototypes -Wstrict-prototypes \
+-			 -O2 -fomit-frame-pointer -std=gnu11 \
++			 -O3 -fomit-frame-pointer -std=gnu11 \
+			 -Wdeclaration-after-statement
+ KBUILD_USERCFLAGS  := $(KBUILD_USERHOSTCFLAGS) $(USERCFLAGS)
+ KBUILD_USERLDFLAGS := $(USERLDFLAGS)
+
+ KBUILD_HOSTCFLAGS   := $(KBUILD_USERHOSTCFLAGS) $(HOST_LFS_CFLAGS) $(HOSTCFLAGS)
+-KBUILD_HOSTCXXFLAGS := -Wall -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
++KBUILD_HOSTCXXFLAGS := -Wall -O3 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
+ KBUILD_HOSTLDFLAGS  := $(HOST_LFS_LDFLAGS) $(HOSTLDFLAGS)
+ KBUILD_HOSTLDLIBS   := $(HOST_LFS_LIBS) $(HOSTLDLIBS)
+
+@@ -757,7 +757,7 @@ KBUILD_CFLAGS       += $(call cc-disable-warning, format-overflow)
+ KBUILD_CFLAGS  += $(call cc-disable-warning, address-of-packed-member)
+
+ ifdef CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE
+-KBUILD_CFLAGS += -O2
++KBUILD_CFLAGS += -O3
+ else ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
+ KBUILD_CFLAGS += -Os
+ endif
+diff --git a/init/Kconfig b/init/Kconfig
+--- a/init/Kconfig
++++ b/init/Kconfig
+@@ -1401,10 +1401,10 @@ choice
+ 	default CC_OPTIMIZE_FOR_PERFORMANCE
+
+ config CC_OPTIMIZE_FOR_PERFORMANCE
+-	bool "Optimize for performance (-O2)"
++	bool "Optimize for performance (-O3)"
+ 	help
+ 	  This is the default optimization level for the kernel, building
+-	  with the "-O2" compiler flag for best performance and most
++	  with the "-O3" compiler flag for best performance and most
+ 	  helpful compile-time warnings.
+
+ config CC_OPTIMIZE_FOR_SIZE