diff --git a/dev-util/gn/Manifest b/dev-util/gn/Manifest
index 0892e0a420bd9..7fc339c546c1f 100644
--- a/dev-util/gn/Manifest
+++ b/dev-util/gn/Manifest
@@ -1,2 +1,3 @@
 DIST gn-0.1445.tar.gz 958901 BLAKE2B f50dfa07c621e37d8a9face19ca91f28ca24e14717052218690e85911e25c91b109e6cede8d2be6c8493c0b7b8a305d530db4393123956c42da51cd4812d0300 SHA512 2ca21303aa8709fc4f23f15e01f2eaa8e77e394c27970a21361a22445d5cb29da150b1d05d77b471702ab2da2be04cea2a0d927eb0eb3a1baf3358c6eae15d06
 DIST gn-0.1463.tar.gz 905571 BLAKE2B e048e642704533d478fb751748a97f60283f63868ab1ab6fa5b8e7bc0322745cf21464eaa16194f684869b50f306668d3c7d3b4f72c3985b865d8492d1ff0901 SHA512 f32861a8fa44034b932e6aae4787fd7da6e4c6c19c5b6919de7b0d0f1ba20f415c1c55db95a08958a338b7b9de740ff49a29ab894a9c4e9049a89450d8c88281
+DIST gn-0.1479.tar.gz 909494 BLAKE2B 5d7165371337be630b2d8dcfd8cd067358d56d8d82501288a56bc15955674f0528fde27056c13f32a2b908576a9e2f28529dec9cd1f259e964405874ce74e90f SHA512 2be22c95952f9993d3f89e932abc0ed08eb2e99a3659322d90bf953b1f68591303b3490e0e55bf3988b1226fefef0a5b7f5d3039eb9ef76e4fe36a2e538ef94a
diff --git a/dev-util/gn/files/gn-gen-r2.patch b/dev-util/gn/files/gn-gen-r2.patch
new file mode 100644
index 0000000000000..701a317bf023a
--- /dev/null
+++ b/dev-util/gn/files/gn-gen-r2.patch
@@ -0,0 +1,70 @@
+From 00e907811ea7fc56de73ad44903946a9179b1c4f Mon Sep 17 00:00:00 2001
+From: Mike Gilbert <floppym@gentoo.org>
+Date: Sun, 14 Oct 2018 20:34:07 -0400
+Subject: [PATCH] Remove unwanted cflags/ldflags parameters
+
+---
+ build/gen.py | 19 +------------------
+ 1 file changed, 1 insertion(+), 18 deletions(-)
+
+diff --git a/build/gen.py b/build/gen.py
+index 11c92460..b186e3b0 100755
+--- a/build/gen.py
++++ b/build/gen.py
+@@ -326,9 +326,6 @@ def WriteGNNinja(path, platform, host, options, linux_sysroot):
+     if options.debug:
+       cflags.extend(['-O0', '-g'])
+     else:
+-      cflags.append('-DNDEBUG')
+-      cflags.append('-O3')
+-      ldflags.append('-O3')
+       # Use -fdata-sections and -ffunction-sections to place each function
+       # or data item into its own section so --gc-sections can eliminate any
+       # unused functions and data items.
+@@ -340,14 +337,6 @@ def WriteGNNinja(path, platform, host, options, linux_sysroot):
+         # Garbage collection is done by default on aix.
+         ldflags.append('-Wl,--gc-sections')
+ 
+-      # Omit all symbol information from the output file.
+-      if platform.is_darwin():
+-        ldflags.append('-Wl,-S')
+-      elif platform.is_aix():
+-        ldflags.append('-Wl,-s')
+-      else:
+-        ldflags.append('-Wl,-strip-all')
+-
+       # Enable identical code-folding.
+       if options.use_icf:
+         ldflags.append('-Wl,--icf=all')
+@@ -356,12 +345,12 @@ def WriteGNNinja(path, platform, host, options, linux_sysroot):
+         '-D_FILE_OFFSET_BITS=64',
+         '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS',
+         '-pthread',
+-        '-pipe',
+         '-fno-exceptions',
+         '-fno-rtti',
+         '-fdiagnostics-color',
+     ])
+     cflags_cc.extend(['-std=c++14', '-Wno-c++11-narrowing'])
++    ldflags.extend(['-pthread'])
+ 
+     if platform.is_linux():
+       if linux_sysroot:
+@@ -369,14 +358,8 @@ def WriteGNNinja(path, platform, host, options, linux_sysroot):
+         cflags.append('--sysroot=' + linux_sysroot)
+         ldflags.append('--sysroot=' + linux_sysroot)
+       ldflags.extend([
+-          '-static-libstdc++',
+           '-Wl,--as-needed',
+       ])
+-      libs.extend([
+-          # These are needed by libc++.
+-          '-ldl',
+-          '-lpthread',
+-      ])
+     elif platform.is_darwin():
+       min_mac_version_flag = '-mmacosx-version-min=10.9'
+       cflags.append(min_mac_version_flag)
+-- 
+2.19.1
+
diff --git a/dev-util/gn/gn-0.1479.ebuild b/dev-util/gn/gn-0.1479.ebuild
new file mode 100644
index 0000000000000..fc369d2c0db07
--- /dev/null
+++ b/dev-util/gn/gn-0.1479.ebuild
@@ -0,0 +1,63 @@
+# Copyright 1999-2018 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+PYTHON_COMPAT=( python2_7 )
+
+inherit ninja-utils python-any-r1 toolchain-funcs
+
+DESCRIPTION="GN is a meta-build system that generates build files for Ninja"
+HOMEPAGE="https://gn.googlesource.com/"
+SRC_URI="https://dev.gentoo.org/~floppym/dist/${P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="vim-syntax"
+
+BDEPEND="
+	${PYTHON_DEPS}
+	dev-util/ninja
+"
+
+PATCHES=(
+	"${FILESDIR}"/gn-gen-r2.patch
+)
+
+pkg_setup() {
+	:
+}
+
+src_configure() {
+	python_setup
+	tc-export AR CC CXX
+	unset CFLAGS
+	set -- ${EPYTHON} build/gen.py --no-sysroot --no-last-commit-position
+	echo "$@"
+	"$@" || die
+	cat >out/last_commit_position.h <<-EOF || die
+	#ifndef OUT_LAST_COMMIT_POSITION_H_
+	#define OUT_LAST_COMMIT_POSITION_H_
+	#define LAST_COMMIT_POSITION "${PV}"
+	#endif  // OUT_LAST_COMMIT_POSITION_H_
+	EOF
+}
+
+src_compile() {
+	eninja -C out gn
+}
+
+src_test() {
+	eninja -C out gn_unittests
+	out/gn_unittests || die
+}
+
+src_install() {
+	dobin out/gn
+	einstalldocs
+
+	if use vim-syntax; then
+		insinto /usr/share/vim/vimfiles
+		doins -r tools/gn/misc/vim/{autoload,ftdetect,ftplugin,syntax}
+	fi
+}