From c7c010e2730833d94220a7b2bc7492731e8b5a7a Mon Sep 17 00:00:00 2001
From: x0x7 <x0x7@muchomail.com>
Date: Fri, 1 Jan 2016 04:20:55 -0500
Subject: [PATCH] If prefix set then high chance of libs being there

If they are compiling to target an alternative directory there are likely dependencies to the same target.  Test for PREFIX/lib and PREFIX/include to be sure.
---
 configure | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/configure b/configure
index 405b51f..112756d 100755
--- a/configure
+++ b/configure
@@ -127,6 +127,14 @@ if [ -d "/Library/Developer/CommandLineTools/usr/lib" ]; then
 fi
 LIBDIRS="$LIBDIRS /lib /usr/lib /usr/local/lib /opt/local/lib"
 INCDIRS="/usr/include /usr/local/include /opt/include /opt/local/include"
+if [ -n "$PREFIX" ]; then
+    if [ -d "$PREFIX/lib"]; then
+        LIBDIRS="$LIBDIRS $PREFIX/lib"
+    fi
+    if [ -d "$PREFIX/include"]; then
+        INCDIRS="$INCDIRS $PREFIX/include"
+    fi
+fi
 STRIP="strip"
 echo