From f23cf0808ba86d98c850101b72d28ba616fc4d15 Mon Sep 17 00:00:00 2001
From: Benitoite <kd6kxr@gmail.com>
Date: Sat, 4 Jan 2020 08:53:43 -0800
Subject: [PATCH] macOS: accept -DLOCAL_PREFIX and default to /usr

---
 CMakeLists.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d7368f115..58ae27d23 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -263,7 +263,11 @@ if(APPLE)
     if("${NOTARY}")
         set(NOTARY "${NOTARY}" CACHE STRING "Notarization Identity")
     endif()
-
+    if("${LOCAL_PREFIX}")
+        set(LOCAL_PREFIX "${LOCAL_PREFIX}" CACHE STRING "macos/gtk parent directory, ie. /usr or /opt")
+    else()
+        set(LOCAL_PREFIX "/usr")
+    endif()
 endif()
 
 # Enforce absolute paths for non-bundle builds: