From da9dff053ee093a6324abc50734f60feadebe628 Mon Sep 17 00:00:00 2001
From: Campbell Barton <campbell@blender.org>
Date: Sat, 18 Feb 2023 14:10:00 +1100
Subject: [PATCH] Build: fix error building xvidcore on Linux

The file renaming seems only to be needed on Windows,
so don't attempt it on other platforms.
---
 build_files/build_environment/cmake/xvidcore.cmake | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/build_files/build_environment/cmake/xvidcore.cmake b/build_files/build_environment/cmake/xvidcore.cmake
index f64d00f4c4a..e319408ca15 100644
--- a/build_files/build_environment/cmake/xvidcore.cmake
+++ b/build_files/build_environment/cmake/xvidcore.cmake
@@ -17,11 +17,13 @@ ExternalProject_Add(external_xvidcore
   INSTALL_DIR ${LIBDIR}/xvidcore
 )
 
-ExternalProject_Add_Step(external_xvidcore after_install
-  COMMAND ${CMAKE_COMMAND} -E rename ${LIBDIR}/xvidcore/lib/xvidcore.a ${LIBDIR}/xvidcore/lib/libxvidcore.a || true
-  COMMAND ${CMAKE_COMMAND} -E remove ${LIBDIR}/xvidcore/lib/xvidcore.dll.a
-  DEPENDEES install
-)
+if(WIN32)
+  ExternalProject_Add_Step(external_xvidcore after_install
+    COMMAND ${CMAKE_COMMAND} -E rename ${LIBDIR}/xvidcore/lib/xvidcore.a ${LIBDIR}/xvidcore/lib/libxvidcore.a || true
+    COMMAND ${CMAKE_COMMAND} -E remove ${LIBDIR}/xvidcore/lib/xvidcore.dll.a
+    DEPENDEES install
+  )
+endif()
 
 if(MSVC)
   set_target_properties(external_xvidcore PROPERTIES FOLDER Mingw)