diff --git a/commands/setup-environment-commands b/commands/setup-environment-commands
index 0d85e2a48..33b6fea88 100755
--- a/commands/setup-environment-commands
+++ b/commands/setup-environment-commands
@@ -104,7 +104,8 @@ export APPIMAGE_HOME="${APPIMAGE_HOME:-"$HOME/Applications"}"
 
 # reset paths and flags
 export PATH="$DOROTHY/commands:$XDG_BIN_HOME:/usr/sbin:/usr/bin:/sbin:/bin:$PATH" # $PATH last to make sure we inherit operating-system specific paths, such as WSL paths, and let the deduplicator later trim out duplicates in preferred order
-export MANPATH='/usr/share/man' INFOPATH='/usr/share/info' CLASSPATH='' LDFLAGS='' CPPFLAGS='' PKG_CONFIG_PATH=''
+export MANPATH INFOPATH CLASSPATH PKG_CONFIG_PATH                                 # don't wipe, as we want to inherit
+export LDFLAGS='' CPPFLAGS='' CC='' CXX=''                                        # do wipe as don't have duplicate prevention
 
 # local vars
 p=''
@@ -165,14 +166,38 @@ if test -z "${GNUPGHOME-}"; then
 	fi
 fi
 
-# Apple Command Line Tools
-if test -d '/Library/Developer/CommandLineTools/usr/bin'; then
-	PATH="/Library/Developer/CommandLineTools/usr/bin:$PATH"
-fi
-
 # Xcode
-if test -d '/Applications/Xcode.app/Contents/Developer/usr/bin'; then
-	PATH="/Applications/Xcode.app/Contents/Developer/usr/bin:$PATH"
+if test -d '/Applications/Xcode.app'; then
+	# Apple Command Line Tools
+	if test -d '/Library/Developer/CommandLineTools/usr/bin'; then
+		PATH="/Library/Developer/CommandLineTools/usr/bin:$PATH"
+	fi
+
+	# Xcode Command Line Tools
+	if test -d '/Applications/Xcode.app/Contents/Developer/usr/bin'; then
+		PATH="/Applications/Xcode.app/Contents/Developer/usr/bin:$PATH"
+	fi
+
+	# Xcode Toolchain
+	if test -d '/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/'; then
+		PATH="/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/:$PATH"
+		CC='/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang'    # xcrun --find clang
+		CXX='/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++' # xcrun --find clang++
+	fi
+
+	# Xcode LLVM
+	# /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk => /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk => xcrun --sdk macosx --show-sdk-pa
+	p='/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk'
+	if test -d "$p/usr/lib"; then
+		LDFLAGS="-L$p/usr/lib $LDFLAGS"
+	fi
+	if test -d "$p/usr/include"; then
+		CPPFLAGS="-I$p/usr/include $CPPFLAGS"
+	fi
+	if test -d "$p/System/Library/Frameworks"; then
+		# https://stackoverflow.com/a/68766210
+		LDFLAGS="-F$p/System/Library/Frameworks/ $LDFLAGS"
+	fi
 fi
 
 # Snap
@@ -219,9 +244,21 @@ fi
 if test -d '/usr/local/sbin'; then
 	PATH="/usr/local/sbin:$PATH"
 fi
+if test -d '/usr/share/man'; then
+	MANPATH="/usr/share/man:$MANPATH"
+fi
 if test -d '/usr/local/man'; then
 	MANPATH="/usr/local/man:$MANPATH"
 fi
+if test -d '/usr/share/info'; then
+	INFOPATH="/usr/share/info:$INFOPATH"
+fi
+if test -d '/usr/lib'; then
+	LDFLAGS="-L/usr/lib $LDFLAGS"
+fi
+if test -d '/usr/lib/pkgconfig'; then
+	PKG_CONFIG_PATH="/usr/lib/pkgconfig:$PKG_CONFIG_PATH"
+fi
 
 # Homebrew
 if is-mac; then
@@ -282,7 +319,7 @@ if test -x "${HOMEBREW_PREFIX-}/bin/brew"; then
 		INFOPATH="$HOMEBREW_PREFIX/share/info:$INFOPATH"
 	fi
 
-	# for compilers to find homebrew
+	# for compilers to find llvm
 	if test -d "$HOMEBREW_PREFIX/lib"; then
 		LDFLAGS="-L$HOMEBREW_PREFIX/lib $LDFLAGS"
 	fi
@@ -585,6 +622,14 @@ fi
 # Generics: XDG, always add, even if not existent, in case it is created later
 PATH="$XDG_BIN_HOME:$PATH"
 
+# GO LLVM
+# https://stackoverflow.com/a/58488820
+if test -n "${GOPATH-}"; then
+	export CGO_CPPFLAGS CGO_LDFLAGS
+	CGO_CPPFLAGS="$CPPFLAGS -O2 -g -Wno-nullability-completeness"
+	CGO_LDFLAGS="$LDFLAGS -O2 -g"
+fi
+
 # Scripts
 before_dorothy_paths
 PATH="$DOROTHY/commands:$PATH"
diff --git a/commands/setup-go b/commands/setup-go
index 1f3569afc..3616fda68 100755
--- a/commands/setup-go
+++ b/commands/setup-go
@@ -93,18 +93,7 @@ function setup_go() (
 
 	# if yes, then install the linting tools
 	if test "$GO_LINTING_INSTALL" = 'yes'; then
-		# https://github.com/golang/vscode-go/blob/master/docs/tools.md
-		# https://github.com/golang/tools/blob/master/gopls/README.md
-		GO_INSTALL+=(
-			golang.org/x/tools/gopls
-			github.com/go-delve/delve/cmd/dlv
-			# github.com/uudashr/gopkgs/cmd/gopkgs
-			github.com/ramya-rao-a/go-outline
-			# github.com/haya14busa/goplay/cmd/goplay
-			github.com/fatih/gomodifytags
-			github.com/josharian/impl
-			github.com/cweill/gotests/...
-		)
+		setup-util-golint
 	fi
 
 	# =====================================
@@ -112,16 +101,6 @@ function setup_go() (
 
 	setup-util --installer=GO -- "${GO_INSTALL[@]}"
 
-	# =====================================
-	# Extras
-
-	# If gometalinter exists, complete its installation.
-	if command-exists gometalinter; then
-		echo-segment --h2="[gometalinter] dependencies"
-		eval-helper --quiet -- gometalinter --install || :
-		echo-segment --g2="[gometalinter] dependencies"
-	fi
-
 	# =====================================
 	# Configure
 
diff --git a/commands/setup-util-golint b/commands/setup-util-golint
new file mode 100755
index 000000000..fe93e7d6c
--- /dev/null
+++ b/commands/setup-util-golint
@@ -0,0 +1,160 @@
+#!/usr/bin/env bash
+
+# https://github.com/golangci/golangci-lint/releases
+
+# golangci-lint-1.55.2-darwin-amd64.tar.gz
+# golangci-lint-1.55.2-darwin-arm64.tar.gz
+# golangci-lint-1.55.2-freebsd-386.tar.gz
+# golangci-lint-1.55.2-freebsd-amd64.tar.gz
+# golangci-lint-1.55.2-freebsd-armv6.tar.gz
+# golangci-lint-1.55.2-freebsd-armv7.tar.gz
+# golangci-lint-1.55.2-illumos-amd64.tar.gz
+# golangci-lint-1.55.2-linux-386.deb
+# golangci-lint-1.55.2-linux-386.rpm
+# golangci-lint-1.55.2-linux-386.tar.gz
+# golangci-lint-1.55.2-linux-amd64.deb
+# golangci-lint-1.55.2-linux-amd64.rpm
+# golangci-lint-1.55.2-linux-amd64.tar.gz
+# golangci-lint-1.55.2-linux-arm64.deb
+# golangci-lint-1.55.2-linux-arm64.rpm
+# golangci-lint-1.55.2-linux-arm64.tar.gz
+# golangci-lint-1.55.2-linux-armv6.deb
+# golangci-lint-1.55.2-linux-armv6.rpm
+# golangci-lint-1.55.2-linux-armv6.tar.gz
+# golangci-lint-1.55.2-linux-armv7.deb
+# golangci-lint-1.55.2-linux-armv7.rpm
+# golangci-lint-1.55.2-linux-armv7.tar.gz
+# golangci-lint-1.55.2-linux-loong64.deb
+# golangci-lint-1.55.2-linux-loong64.rpm
+# golangci-lint-1.55.2-linux-loong64.tar.gz
+# golangci-lint-1.55.2-linux-mips64.deb
+# golangci-lint-1.55.2-linux-mips64.rpm
+# golangci-lint-1.55.2-linux-mips64.tar.gz
+# golangci-lint-1.55.2-linux-mips64le.deb
+# golangci-lint-1.55.2-linux-mips64le.rpm
+# golangci-lint-1.55.2-linux-mips64le.tar.gz
+# golangci-lint-1.55.2-linux-ppc64le.deb
+# golangci-lint-1.55.2-linux-ppc64le.rpm
+# golangci-lint-1.55.2-linux-ppc64le.tar.gz
+# golangci-lint-1.55.2-linux-riscv64.deb
+# golangci-lint-1.55.2-linux-riscv64.rpm
+# golangci-lint-1.55.2-linux-riscv64.tar.gz
+# golangci-lint-1.55.2-linux-s390x.deb
+# golangci-lint-1.55.2-linux-s390x.rpm
+# golangci-lint-1.55.2-linux-s390x.tar.gz
+# golangci-lint-1.55.2-netbsd-386.tar.gz
+# golangci-lint-1.55.2-netbsd-amd64.tar.gz
+# golangci-lint-1.55.2-netbsd-armv6.tar.gz
+# golangci-lint-1.55.2-netbsd-armv7.tar.gz
+# golangci-lint-1.55.2-source.tar.gz
+# golangci-lint-1.55.2-windows-386.zip
+# golangci-lint-1.55.2-windows-amd64.zip
+# golangci-lint-1.55.2-windows-arm64.zip
+# golangci-lint-1.55.2-windows-armv6.zip
+# golangci-lint-1.55.2-windows-armv7.zip
+
+function setup_util_golint() (
+	source "$DOROTHY/sources/bash.bash"
+	local arch options=()
+
+	# only install official linting tools
+	# https://github.com/golang/vscode-go/blob/master/docs/tools.md
+
+	# ensure dev tools are installed
+	setup-util-devel --quiet
+
+	# https://github.com/golang/tools/blob/master/gopls/README.md
+	# _cgo_export.c:3:10: fatal error: 'stdlib.h' file not found
+	options=(
+		--cli='gopls'
+		"$@"
+		GO='golang.org/x/tools/gopls'
+	)
+	setup-util "${options[@]}"
+
+	# https://github.com/go-delve/delve/tree/master/Documentation/installation
+	# _cgo_export.c:3:10: fatal error: 'stdlib.h' file not found
+	options=(
+		--name='Delve'
+		--cli='dlv'
+		"$@"
+		GO='github.com/go-delve/delve/cmd/dlv'
+	)
+	setup-util "${options[@]}"
+
+	# golangci-lint
+	options=(
+		--cli='golangci-lint'
+		"$@"
+		BREW='golangci-lint'
+	)
+	function get_github_asset_url {
+		github-download \
+			--dry \
+			--slug='golangci/golangci-lint' \
+			--release='latest' \
+			--asset-filter="$(echo-escape-regex -- "$1")$" | echo-first-line || :
+	}
+	function add_download_option {
+		options+=(
+			DOWNLOAD="$(get_github_asset_url "$1")"
+			DOWNLOAD_UNZIP_FILTER="*/$2"
+		)
+	}
+	function add_deb_option {
+		options+=(
+			DEB="$(get_github_asset_url "$1")"
+		)
+	}
+	function add_rpm_option {
+		options+=(
+			RPM="$(get_github_asset_url "$1")"
+		)
+	}
+	arch="$(get-arch)"
+	if is-mac; then
+		if test "$arch" = 'a64'; then
+			add_download_option '-darwin-arm64.tar.gz' 'golangci-lint'
+		elif test "$arch" = 'x64'; then
+			add_download_option '-darwin-amd64.tar.gz' 'golangci-lint'
+		fi
+	elif is-linux; then
+		if test "$arch" = 'a64'; then
+			add_deb_option '-linux-arm64.deb'
+			add_rpm_option '-linux-arm64.rpm'
+			add_download_option '-linux-arm64.tar.gz' 'golangci-lint'
+		elif test "$arch" = 'a32'; then
+			add_deb_option '-linux-armv7.deb'
+			add_rpm_option '-linux-armv7.rpm'
+			add_download_option '-linux-armv7.tar.gz' 'golangci-lint'
+		elif test "$arch" = 'x64'; then
+			add_deb_option '-linux-amd64.deb'
+			add_rpm_option '-linux-amd64.rpm'
+			add_download_option '-linux-amd64.tar.gz' 'golangci-lint'
+		elif test "$arch" = 'x32'; then
+			add_deb_option '-linux-386.deb'
+			add_rpm_option '-linux-386.rpm'
+			add_download_option '-linux-386.tar.gz' 'golangci-lint'
+		elif test "$arch" = 'r64'; then
+			add_deb_option '-linux-riscv64.deb'
+			add_rpm_option '-linux-riscv64.rpm'
+			add_download_option '-linux-riscv64.tar.gz' 'golangci-lint'
+		fi
+	elif is-wsl; then
+		if test "$arch" = 'a64'; then
+			add_download_option '-windows-arm64.zip' 'golangci-lint.exe'
+		elif test "$arch" = 'a32'; then
+			add_download_option '-windows-armv7.zip' 'golangci-lint.exe'
+		elif test "$arch" = 'x64'; then
+			add_download_option '-windows-amd64.zip' 'golangci-lint.exe'
+		elif test "$arch" = 'x32'; then
+			add_download_option '-windows-386.zip' 'golangci-lint.exe'
+		fi
+	fi
+	setup-util "${options[@]}"
+)
+
+# fire if invoked standalone
+if test "$0" = "${BASH_SOURCE[0]}"; then
+	setup_util_golint "$@"
+fi