diff --git a/go/loader/cgo.go b/go/loader/cgo.go
index f698197c..c925ace4 100644
--- a/go/loader/cgo.go
+++ b/go/loader/cgo.go
@@ -112,14 +112,19 @@ var cgoRe = regexp.MustCompile(`[/\\:]`)
 //
 // runCgo is adapted from (*builder).cgo in
 // $GOROOT/src/cmd/go/build.go, but these features are unsupported:
-// pkg-config, Objective C, CGOPKGPATH, CGO_FLAGS.
+// Objective C, CGOPKGPATH, CGO_FLAGS.
 //
 func runCgo(bp *build.Package, pkgdir, tmpdir string) (files, displayFiles []string, err error) {
-	cgoCPPFLAGS, _, _, _ := cflags(bp, true)
+	cgoCPPFLAGS, _, _, cgoLDFLAGS := cflags(bp, true)
 	_, cgoexeCFLAGS, _, _ := cflags(bp, false)
 
 	if len(bp.CgoPkgConfig) > 0 {
-		return nil, nil, fmt.Errorf("cgo pkg-config not supported")
+		pcCFLAGS, pcLDFLAGS, err := pkgConfigFlags(bp)
+		if err != nil {
+			return nil, nil, err
+		}
+		cgoCPPFLAGS = append(cgoCPPFLAGS, pcCFLAGS...)
+		cgoLDFLAGS = append(cgoLDFLAGS, pcLDFLAGS...)
 	}
 
 	// Allows including _cgo_export.h from .[ch] files in the package.
@@ -145,7 +150,7 @@ func runCgo(bp *build.Package, pkgdir, tmpdir string) (files, displayFiles []str
 
 	args := stringList(
 		"go", "tool", "cgo", "-objdir", tmpdir, cgoflags, "--",
-		cgoCPPFLAGS, cgoexeCFLAGS, bp.CgoFiles,
+		cgoCPPFLAGS, cgoLDFLAGS, cgoexeCFLAGS, bp.CgoFiles,
 	)
 	if false {
 		log.Printf("Running cgo for package %q: %s (dir=%s)", bp.ImportPath, args, pkgdir)
diff --git a/go/loader/cgo14.go b/go/loader/cgo14.go
index 1dac420f..d484c7db 100644
--- a/go/loader/cgo14.go
+++ b/go/loader/cgo14.go
@@ -112,14 +112,19 @@ var cgoRe = regexp.MustCompile(`[/\\:]`)
 //
 // runCgo is adapted from (*builder).cgo in
 // $GOROOT/src/cmd/go/build.go, but these features are unsupported:
-// pkg-config, Objective C, CGOPKGPATH, CGO_FLAGS.
+// Objective C, CGOPKGPATH, CGO_FLAGS.
 //
 func runCgo(bp *build.Package, pkgdir, tmpdir string) (files, displayFiles []string, err error) {
-	cgoCPPFLAGS, _, _, _ := cflags(bp, true)
+	cgoCPPFLAGS, _, _, cgoLDFLAGS := cflags(bp, true)
 	_, cgoexeCFLAGS, _, _ := cflags(bp, false)
 
 	if len(bp.CgoPkgConfig) > 0 {
-		return nil, nil, fmt.Errorf("cgo pkg-config not supported")
+		pcCFLAGS, pcLDFLAGS, err := pkgConfigFlags(bp)
+		if err != nil {
+			return nil, nil, err
+		}
+		cgoCPPFLAGS = append(cgoCPPFLAGS, pcCFLAGS...)
+		cgoLDFLAGS = append(cgoLDFLAGS, pcLDFLAGS...)
 	}
 
 	// Allows including _cgo_export.h from .[ch] files in the package.
@@ -145,7 +150,7 @@ func runCgo(bp *build.Package, pkgdir, tmpdir string) (files, displayFiles []str
 
 	args := stringList(
 		"go", "tool", "cgo", "-objdir", tmpdir, cgoflags, "--",
-		cgoCPPFLAGS, cgoexeCFLAGS, bp.CgoFiles,
+		cgoCPPFLAGS, cgoLDFLAGS, cgoexeCFLAGS, bp.CgoFiles,
 	)
 	if false {
 		log.Printf("Running cgo for package %q: %s (dir=%s)", bp.ImportPath, args, pkgdir)
diff --git a/go/loader/cgo_pkgconfig.go b/go/loader/cgo_pkgconfig.go
new file mode 100644
index 00000000..91ab2ccf
--- /dev/null
+++ b/go/loader/cgo_pkgconfig.go
@@ -0,0 +1,45 @@
+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package loader
+
+import (
+	"errors"
+	"fmt"
+	"go/build"
+	"os/exec"
+	"strings"
+)
+
+// pkgConfig runs pkg-config with the specified arguments and returns the flags it prints.
+func pkgConfig(mode string, pkgs []string) (flags []string, err error) {
+	cmd := exec.Command("pkg-config", append([]string{mode}, pkgs...)...)
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		s := fmt.Sprintf("%s failed: %v", strings.Join(cmd.Args, " "), err)
+		if len(out) > 0 {
+			s = fmt.Sprintf("%s: %s", s, out)
+		}
+		return nil, errors.New(s)
+	}
+	if len(out) > 0 {
+		flags = strings.Fields(string(out))
+	}
+	return
+}
+
+// pkgConfigFlags calls pkg-config if needed and returns the cflags/ldflags needed to build the package.
+func pkgConfigFlags(p *build.Package) (cflags, ldflags []string, err error) {
+	if pkgs := p.CgoPkgConfig; len(pkgs) > 0 {
+		cflags, err = pkgConfig("--cflags", pkgs)
+		if err != nil {
+			return nil, nil, err
+		}
+		ldflags, err = pkgConfig("--libs", pkgs)
+		if err != nil {
+			return nil, nil, err
+		}
+	}
+	return
+}