qt5-webengine: fix armv[67]* build

Still requires host == target word size, i.e. i686 build environment for arm*.

srcpkgs/qt5-webengine/patches/0110-size_t.patch

@@ -0,0 +1,16 @@
+--- a/src/3rdparty/chromium/third_party/angle/include/platform/Platform.h	2020-05-06 16:21:29.000000000 +0200
++++ b/src/3rdparty/chromium/third_party/angle/include/platform/Platform.h	2020-09-04 00:31:10.504555635 +0200
+@@ -236,11 +236,11 @@
+ using ProgramKeyType   = std::array<uint8_t, 20>;
+ using CacheProgramFunc = void (*)(PlatformMethods *platform,
+                                   const ProgramKeyType &key,
+-                                  size_t programSize,
++                                  std::size_t programSize,
+                                   const uint8_t *programBytes);
+ inline void DefaultCacheProgram(PlatformMethods *platform,
+                                 const ProgramKeyType &key,
+-                                size_t programSize,
++                                std::size_t programSize,
+                                 const uint8_t *programBytes)
+ {}
+ 

srcpkgs/qt5-webengine/patches/0111-armv7l-neon.patch

@@ -0,0 +1,10 @@
+--- a/src/3rdparty/chromium/skia/BUILD.gn	2020-09-01 13:02:34.000000000 +0200
++++ b/src/3rdparty/chromium/skia/BUILD.gn	2020-10-06 20:51:48.834970455 +0200
+@@ -772,7 +772,6 @@
+         # Root build config sets -mfpu=$arm_fpu, which we expect to be neon
+         # when running this.
+         if (!arm_use_neon) {
+-          configs -= [ "//build/config/compiler:compiler_arm_fpu" ]
+           cflags += [ "-mfpu=neon" ]
+         }
+       }

srcpkgs/qt5-webengine/patches/0112-arm-user_vfp.patch

@@ -0,0 +1,20 @@
+--- a/src/3rdparty/chromium/third_party/crashpad/crashpad/util/linux/thread_info.h
++++ b/src/3rdparty/chromium/third_party/crashpad/crashpad/util/linux/thread_info.h
+@@ -17,6 +17,17 @@
+ 
+ #include <stdint.h>
+ #include <sys/user.h>
++#if !defined(__GLIBC__)
++struct user_vfp {
++	unsigned long long fpregs[32];
++	unsigned long fpscr;
++};
++struct user_vfp_exc {
++	unsigned long fpexc;
++	unsigned long fpinst;
++	unsigned long fpinst2;
++};
++#endif /* !defined(__GLIBC__) */
+ 
+ #include <type_traits>
+ 

srcpkgs/qt5-webengine/patches/0113-arm-elf_auxv_t.patch

@@ -0,0 +1,18 @@
+--- a/src/3rdparty/chromium/v8/src/base/cpu.cc	2020-09-01 13:02:34.000000000 +0200
++++ b/src/3rdparty/chromium/v8/src/base/cpu.cc	2020-10-06 21:28:45.124882085 +0200
+@@ -109,6 +109,15 @@
+ #define HWCAP_IDIV  (HWCAP_IDIVA | HWCAP_IDIVT)
+ #define HWCAP_LPAE  (1 << 20)
+ 
++#ifndef __GLIBC__
++#include <elf.h>
++#ifdef __LP64__
++typedef Elf64_auxv_t elf_auxv_t;
++#else
++typedef Elf32_auxv_t elf_auxv_t;
++#endif
++#endif
++
+ static uint32_t ReadELFHWCaps() {
+ #if V8_GLIBC_PREREQ(2, 16)
+   return static_cast<uint32_t>(getauxval(AT_HWCAP));

srcpkgs/qt5-webengine/template

@@ -67,19 +67,17 @@ esac
 
 if [ "$XBPS_TARGET_NO_ATOMIC8" ]; then
 	makedepends+=" libatomic-devel"
+	LDFLAGS+=" -latomic"
 fi
 
 case "$XBPS_TARGET_MACHINE" in
 	ppc64*) makedepends+=" libatomic-devel"
-esac
-
-case "$XBPS_TARGET_MACHINE" in
-	armv7l*) broken="ERROR at //skia/BUILD.gn:707:11: Undefined identifier.";;
-	#  configs -= [ "//build/config/compiler:compiler_arm_fpu" ]
-	armv6l*) broken="ERROR at //build/toolchain/gcc_toolchain.gni:102:3: Duplicate definition.";;
+		LDFLAGS+=" -latomic"
+		;;
 esac
 
 _bootstrap_gn() {
+	local opts
 	# Bootstrap gn (generate ninja)
 	echo "Bootstrapping 'gn'"
 	cd ${wrksrc}/src/3rdparty/gn
@@ -87,7 +85,7 @@ _bootstrap_gn() {
 	PKGCONFIG=/usr/bin/pkgconfig PKG_CONFIG_PATH="/usr/lib/pkgconfig:/usr/share/pkgconfig" \
 		python2 build/gen.py --no-last-commit-position --out-path \
 			${wrksrc}/src/3rdparty/gn/out/Release --cc "$CC_host" \
-			--cxx "$CXX_host" --ld "$CXX_host" --ar "$AR_host"
+			--cxx "$CXX_host" --ld "$CXX_host" --ar "$AR_host" $opts
 	ninja -C out/Release gn
 	cd ${wrksrc}
 }