From 2a8fc2f84dd0d57ba6ede448c131178cbf5ed155 Mon Sep 17 00:00:00 2001
From: "Joshua M. Doe" <oss@nvl.army.mil>
Date: Wed, 15 Apr 2020 07:13:52 -0400
Subject: [PATCH] build: use a better default install location on Linux

---
 CMakeLists.txt | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index dce0e76..a531fcd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -120,9 +120,13 @@ include_directories(
     ${GLIB2_INCLUDE_DIR})
 
 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
-    file(TO_CMAKE_PATH "${GSTREAMER_INCLUDE_DIR}/../.." PREFIX)
-    set(CMAKE_INSTALL_PREFIX
-        ${PREFIX} CACHE PATH "Directory to install plugins, under lib/gstreamer-1.0" FORCE)
+  if (WIN32)
+    file(TO_CMAKE_PATH "${GSTREAMER_INCLUDE_DIR}/../.." _PREFIX)
+  else ()
+    set(_PREFIX "/usr")
+  endif ()
+  set(CMAKE_INSTALL_PREFIX "${_PREFIX}"
+      CACHE PATH "Common prefix for all installed files (e.g., plugins will be installed under CMAKE_INSTALL_PREFIX/lib/gstreamer-1.0)" FORCE)
 endif(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
 
 add_subdirectory(gst-libs)