New comment by Johnnynator on void-packages repository

https://github.com/void-linux/void-packages/pull/25436#issuecomment-714565068

Comment:
```diff
diff --git a/srcpkgs/deno/patches/rusty_v8.patch b/srcpkgs/deno/patches/rusty_v8.patch
new file mode 100644
index 0000000000..a32cb05f82
--- /dev/null
+++ b/srcpkgs/deno/patches/rusty_v8.patch
@@ -0,0 +1,11 @@
+--- Cargo.lock	2020-10-10 12:30:55.000000000 +0200
++++ -	2020-10-22 17:12:50.248150438 +0200
+@@ -1920,8 +1920,6 @@
+ [[package]]
+ name = "rusty_v8"
+ version = "0.11.0"
+-source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "8c11463988ec37b3f8cb84e4c2fe8f63058c46e07348b6d1d27b114a2b981304"
+ dependencies = [
+  "bitflags",
+  "cargo_gn",
diff --git a/srcpkgs/deno/template b/srcpkgs/deno/template
index a790886bac..1d68e8c486 100644
--- a/srcpkgs/deno/template
+++ b/srcpkgs/deno/template
@@ -2,20 +2,34 @@
 pkgname=deno
 version=1.4.6
 revision=1
-archs="x86_64"
 build_helper="rust"
 hostmakedepends="cargo pkg-config curl unzip python ninja gn clang nodejs
- gobject-introspection"
+ lld llvm gobject-introspection"
 depends="libglib-devel"
 short_desc="Simple, modern and secure runtime for JavaScript and TypeScript"
 maintainer="shizonic <realtiaz@gmail.com>"
 license="MIT"
 homepage="https://deno.land"
-distfiles="https://github.com/denoland/deno/archive/v${version}.tar.gz"
-checksum=802bd22bcb00c1f2331f054b83820dfcdd7f79cc135bcd062d057f35fec9cba4
+distfiles="https://github.com/denoland/deno/archive/v${version}.tar.gz
+ https://void.johnnynator.dev/distfiles/rusty_v8-0.11.0.tar.gz"
+checksum="802bd22bcb00c1f2331f054b83820dfcdd7f79cc135bcd062d057f35fec9cba4
+ c4045d5a3e7f95f6faa323639a3289f7c543385c10a9015f73dfe97fc7d6ca7c"
+
+post_extract() {
+	mv ../rusty_v8-0.11.0 rusty-void
+	cat >>Cargo.toml <<-'_EOF'
+	
+	[patch.crates-io]
+	rusty_v8 = { path = 'rusty-void' }
+	_EOF
+}
 
 do_build() {
-	V8_FROM_SOURCE=1 cargo build --release --locked --target ${RUST_TARGET} -vv
+	CLANG_BASE_PATH=/usr \
+		NINJA=/usr/bin/ninja \
+		GN=/usr/bin/gn \
+		V8_FROM_SOURCE=1 \
+		cargo build --release --locked --target ${RUST_TARGET} -vv
 }
 
 do_install() {
diff --git a/srcpkgs/gn/template b/srcpkgs/gn/template
index ae54fb17f2..155a81ae0e 100644
--- a/srcpkgs/gn/template
+++ b/srcpkgs/gn/template
@@ -2,7 +2,7 @@
 pkgname=gn
 version=0.0.20201022
 revision=1
-_githash=f5f465b52e5df6d4de9fbe67cc79f1914ba4dbfc
+_githash=6f13aaac
 create_wrksrc=yes
 hostmakedepends="python3 ninja"
 short_desc="Meta-build system that generates build files for Ninja"
@@ -10,7 +10,7 @@ maintainer="shizonic <realtiaz@gmail.com>"
 license="BSD-3-Clause"
 homepage="https://gn.googlesource.com/gn/"
 distfiles="https://gn.googlesource.com/gn/+archive/${_githash}.tar.gz"
-checksum=@3ef35abf6ff8530e55cd145c7f9498d6e08169d5fea9d9ce4ece29ff4b7fb14a
+checksum=@80d9da7d58252fa49089386c943d8e3c493a4e314309dbf5e7b7585bfb484fa8
 
 post_extract() {
 	printf '#define LAST_COMMIT_POSITION "%s"\n' "$version" >src/gn/last_commit_position.h
```

I could make a proper from source build with this patch ontop. (The rusty_v8-0.11.0.tar.gz tarball is due to cargo beeing annoying when you want to patch, and it also doesn't do a shallow clone when pointed to a git repo)