diff --git a/build.sh b/build.sh
index 2409c5b..d729189 100755
--- a/build.sh
+++ b/build.sh
@@ -1,2 +1,26 @@
 #!/bin/sh
+
+CGO_EXTRA_CPPFLAGS=""
+CGO_EXTRA_LDFLAGS=""
+if [ `uname` = "FreeBSD" ] ; then
+    CGO_EXTRA_CPPFLAGS="-I/usr/local/include"
+    CGO_EXTRA_LDFLAGS="-L/usr/local/lib"
+fi
+
+if [ -n "${CGO_EXTRA_CPPFLAGS}" ] ; then
+    if [ -z "${CGO_CPPFLAGS}" ] ; then
+        export CGO_CPPFLAGS="${CGO_EXTRA_CPPFLAGS}"
+    else
+        export CGO_CPPFLAGS="${CGO_CPPFLAGS} ${CGO_EXTRA_CPPFLAGS}"
+    fi
+fi
+
+if [ -n "${CGO_EXTRA_LDFLAGS}" ] ; then
+    if [ -z "${CGO_LDFLAGS}" ] ; then
+        export CGO_LDFLAGS="${CGO_EXTRA_LDFLAGS}"
+    else
+        export CGO_LDFLAGS="${CGO_LDFLAGS} ${CGO_EXTRA_LDFLAGS}"
+    fi
+fi
+
 go build -ldflags "-X main.Tag=$(git describe --exact-match --tags 2>/dev/null) -X main.Commit=$(git rev-parse HEAD) -X 'main.BuildTime=`date '+%b %_d %Y, %H:%M:%S'`'" "$@"