webkit2gtk: add options for clang+lto, add big endian 32bit jsc fix

also explicitly add libgcrypt-devel which is needed but since some
recent change was not being pulled in (probably some dep changed)

srcpkgs/webkit2gtk/patches/be32-jsc-fix.patch

@@ -0,0 +1,13 @@
+This should fix a recent regression in JSC CLoop on BE/32bit.
+
+--- Source/JavaScriptCore/llint/LowLevelInterpreter32_64.asm
++++ Source/JavaScriptCore/llint/LowLevelInterpreter32_64.asm
+@@ -425,7 +425,7 @@ end)
+ op(llint_get_host_call_return_value, macro ()
+     functionPrologue()
+     pushCalleeSaves()
+-    loadp Callee[cfr], t0
++    loadp Callee + PayloadOffset[cfr], t0
+     convertCalleeToVM(t0)
+     loadi VM::encodedHostCallReturnValue + TagOffset[t0], t1
+     loadi VM::encodedHostCallReturnValue + PayloadOffset[t0], t0

srcpkgs/webkit2gtk/template

@@ -2,7 +2,7 @@
 # ping q66 before touching this
 pkgname=webkit2gtk
 version=2.32.1
-revision=1
+revision=2
 wrksrc="webkitgtk-${version}"
 build_style=cmake
 build_helper="gir"
@@ -29,7 +29,7 @@ makedepends="at-spi2-core-devel libjpeg-turbo-devel libpng-devel
  libsecret-devel ruby-devel geoclue2-devel libnotify-devel hyphen-devel
  woff2-devel freetype-devel libopenjpeg2-devel libatomic-devel
  qt5-devel libmanette-devel libwpe-devel wpebackend-fdo-devel
- $(vopt_if x11 libXt-devel)
+ libgcrypt-devel $(vopt_if x11 libXt-devel)
  $(vopt_if wayland 'MesaLib-devel libxkbcommon-devel wayland-devel wayland-protocols')"
 short_desc="GTK+3 port of the WebKit2 browser engine"
 maintainer="q66 <daniel@octaforge.org>"
@@ -39,13 +39,16 @@ distfiles="${homepage}/releases/webkitgtk-${version}.tar.xz"
 checksum=136117317f70f66486f71b8edf5e46f8776403c5d8a296e914b11a36ef836917
 make_check=no
 
-build_options="gir wayland x11 bubblewrap jit sampling_profiler minibrowser"
+build_options="gir wayland x11 bubblewrap jit sampling_profiler minibrowser
+ clang lto"
 build_options_default="gir wayland x11 bubblewrap minibrowser"
 
 desc_option_bubblewrap="Enable bubblewrap sandbox"
 desc_option_jit="JavaScript JIT (Only some architectures)"
 desc_option_sampling_profiler="Sampling profiler support (JIT + glibc only)"
 desc_option_minibrowser="Build the minibrowser"
+desc_option_clang="Use Clang to build"
+desc_option_lto="Enable ThinLTO (needs Clang)"
 
 export CFLAGS="-DNDEBUG"
 export CXXFLAGS="$CFLAGS"
@@ -72,6 +75,20 @@ if [ "$build_option_bubblewrap" ]; then
 	depends+=" bubblewrap xdg-dbus-proxy"
 fi
 
+if [ "$build_option_lto" -a -z "$build_option_clang" ]; then
+	broken="LTO needs Clang"
+fi
+
+if [ "$build_option_clang" ]; then
+	hostmakedepends+=" clang lld"
+	configure_args+=" -DUSE_LD_LLD=ON"
+	nocross=yes
+fi
+
+if [ "$build_option_lto" ]; then
+	configure_args+=" -DLTO_MODE=thin"
+fi
+
 # only a few platform support JIT
 case "$XBPS_TARGET_MACHINE" in
 	aarch64*|x86_64*)
@@ -102,6 +119,11 @@ if [ "$build_option_sampling_profiler" -a -z "$build_option_jit" ]; then
 fi
 
 pre_configure() {
+	if [ "$build_option_clang" ]; then
+		export CC=clang
+		export CXX=clang++
+	fi
+
 	# the debug builds are huge and cause problems when debugging
 	export CFLAGS="${CFLAGS/-g/-g1}"
 	export CXXFLAGS="${CXXFLAGS/-g/-g1}"