From 61d02f359982574f857674bc314ac121f2735189 Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Mon, 13 May 2019 12:00:28 +0200
Subject: configure: Respect previously set paths in macosx preset

---
 configure | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/configure b/configure
index c9737ae6..2b58efe5 100755
--- a/configure
+++ b/configure
@@ -259,10 +259,14 @@ if [ "$OSPRESET_SET" = "yes" ]; then
       CFLAGS="$CFLAGS -ggdb"
    fi
    if [ "$OSPRESET" = "macosx" ]; then
-      LUA_INCDIR=/usr/local/include;
-      LUA_INCDIR_SET=yes
-      LUA_LIBDIR=/usr/local/lib
-      LUA_LIBDIR_SET=yes
+      if [ "$LUA_INCDIR_SET" != "yes" ]; then
+         LUA_INCDIR=/usr/local/include;
+         LUA_INCDIR_SET=yes
+      fi
+      if [ "$LUA_LIBDIR_SET" != "yes" ]; then
+         LUA_LIBDIR=/usr/local/lib
+         LUA_LIBDIR_SET=yes
+      fi
       CFLAGS="$CFLAGS -mmacosx-version-min=10.3"
       LDFLAGS="-bundle -undefined dynamic_lookup"
    fi
-- 
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