$NetBSD: patch-configure,v 1.1 2018/06/24 12:00:22 fhajny Exp $

Add support for dynamic libimagequant lookup and linking.

--- configure.orig	2018-06-03 14:42:43.000000000 +0000
+++ configure
@@ -221,11 +221,11 @@ find_library() {
     LIBRARY_FOUND_VERSION=
     LIBRARY_FOUND_BUILD=
 
-    if [ "imagequant" = "$LIBNAME" -a -n "$LIQSRCDIR" -a -f "$LIQSRCDIR"/"$HEADERPATTERN" ]; then
+    if [ "imagequant" = "$LIBNAME" -a -n "$LIQSRCDIR" -a -f "$LIQSRCDIR"/include/"$HEADERPATTERN" ]; then
         status "$LIBNAME" "build static"
-        cflags "-I$LIQSRCDIR"
-        lflags "$LIQSRCDIR/libimagequant.a"
-        LIBRARY_FOUND_HEADER="$LIQSRCDIR"/"$HEADERPATTERN"
+        cflags "-I$LIQSRCDIR/include"
+        lflags "-limagequant"
+        LIBRARY_FOUND_HEADER="$LIQSRCDIR"/include/"$HEADERPATTERN"
         LIBRARY_FOUND_BUILD="$LIQSRCDIR"
         return 0;
     fi
@@ -398,11 +398,11 @@ if find_library "imagequant" "imagequant
     fi
 
     if [ -n "$LIBRARY_FOUND_BUILD" ]; then
-        STATICLIBDEPS="$LIBRARY_FOUND_BUILD/libimagequant.h $LIBRARY_FOUND_BUILD/libimagequant.a"
+        STATICLIBDEPS="$LIBRARY_FOUND_BUILD/include/libimagequant.h $LIBRARY_FOUND_BUILD/lib/libimagequant.a"
         LIQSRCDIR="$LIBRARY_FOUND_BUILD"
     fi
 else
-    if [ -n "$LIQSRCDIR" -a ! -f "$LIQSRCDIR"/libimagequant.h ]; then
+    if [ -n "$LIQSRCDIR" -a ! -f "$LIQSRCDIR"/include/libimagequant.h ]; then
         echo "If you're using git, do clone with --recursive, or download from https://github.com/ImageOptim/libimagequant"
         error "imagequant" "libimagequant.h not found in $LIQSRCDIR/"
     else