webkitgtk: move JSC JIT selection logic to kconfig

This is done in preparation to enable the JavaScriptCore JIT support
for more platforms. Having the logic in Config.in scales better than
checking in the .mk file.

Signed-off-by: Adrian Perez de Castro <aperez@igalia.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/webkitgtk/Config.in

@@ -11,6 +11,14 @@ config BR2_PACKAGE_WEBKITGTK_ARCH_SUPPORTS
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on BR2_PACKAGE_LIBGPG_ERROR_ARCH_SUPPORTS # libgcrypt
 
+config BR2_PACKAGE_WEBKITGTK_ARCH_SUPPORTS_JIT
+	bool
+	# ARM needs NEON for JIT.
+	default y if BR2_ARM_CPU_HAS_NEON
+	# i386 & x86_64 don't have any special requirements.
+	default y if BR2_i386
+	default y if BR2_x86_64
+
 comment "webkitgtk needs libgtk3 and a glibc toolchain w/ C++, gcc >= 6, host gcc >= 4.8"
 	depends on BR2_PACKAGE_WEBKITGTK_ARCH_SUPPORTS
 	depends on !BR2_PACKAGE_LIBGTK3 || !BR2_INSTALL_LIBSTDCPP || \

package/webkitgtk/webkitgtk.mk

@@ -27,9 +27,7 @@ WEBKITGTK_CONF_OPTS = \
 	-DUSE_LIBNOTIFY=OFF \
 	-DUSE_LIBHYPHEN=OFF
 
-# ARM needs NEON for JIT
-# i386 & x86_64 don't seem to have any special requirements
-ifeq ($(BR2_ARM_CPU_HAS_NEON)$(BR2_i386)$(BR2_x86_64),y)
+ifeq ($(BR2_PACKAGE_WEBKITGTK_ARCH_SUPPORTS_JIT),y)
 WEBKITGTK_CONF_OPTS += -DENABLE_JIT=ON
 else
 WEBKITGTK_CONF_OPTS += -DENABLE_JIT=OFF