dev-lang/jerryscript: drop -Werror; fix build with GCC 12

Closes: https://bugs.gentoo.org/840263
Signed-off-by: Sam James <[email protected]>

dev-lang/jerryscript/files/jerryscript-2.4.0-no-werror.patch

@@ -0,0 +1,33 @@
+https://bugs.gentoo.org/840263
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -167,7 +167,6 @@ endmacro()
+ macro(jerry_add_compile_warnings)
+   foreach(_warning ${ARGV})
+     jerry_add_compile_flags(-W${_warning})
+-    jerry_add_compile_flags(-Werror=${_warning})
+   endforeach()
+ endmacro()
+
+@@ -212,7 +211,7 @@ if(USING_GCC OR USING_CLANG)
+     jerry_add_compile_flags(-fno-builtin)
+   endif()
+   jerry_add_compile_warnings(all extra format-nonliteral init-self conversion sign-conversion format-security missing-declarations shadow strict-prototypes undef old-style-definition)
+-  jerry_add_compile_flags(-Wno-stack-protector -Wno-attributes -Werror)
++  jerry_add_compile_flags(-Wno-stack-protector -Wno-attributes)
+ endif()
+
+ if(USING_GCC)
+--- a/targets/zephyr/Makefile.zephyr
++++ b/targets/zephyr/Makefile.zephyr
+@@ -55,9 +55,8 @@ EXT_CFLAGS += -ffunction-sections -fno-inline-functions
+ EXT_CFLAGS += $(KBUILD_CFLAGS) $(NOSTDINC_FLAGS) $(subst -I,-isystem,$(ZEPHYRINCLUDE))
+
+ EXT_CFLAGS += -Wall -Wno-format-zero-length -Wno-pointer-sign
+-EXT_CFLAGS += -Werror=format -Werror=implicit-int -Wno-unused-but-set-variable
++EXT_CFLAGS += -Wformat -Wimplicit-int -Wno-unused-but-set-variable
+ EXT_CFLAGS += -Wno-main -Wno-strict-aliasing -Wno-old-style-declaration
+-EXT_CFLAGS += -Wno-error=format=
+ EXT_CFLAGS += -D_XOPEN_SOURCE=700
+
+ EXT_CFLAGS += -Wno-error=conversion

dev-lang/jerryscript/jerryscript-2.4.0-r4.ebuild

@@ -21,6 +21,7 @@ RESTRICT+=" test"
 
 PATCHES=(
 	"${FILESDIR}/jerryscript-2.4.0-python3-r4.patch"
+	"${FILESDIR}/jerryscript-2.4.0-no-werror.patch"
 )
 
 src_prepare() {