From aeb8dfc52df99d866f4a7c50a34d926fe7140613 Mon Sep 17 00:00:00 2001
From: Maksim Shabunin <maksim.shabunin@gmail.com>
Date: Thu, 15 Apr 2021 12:13:15 +0300
Subject: [PATCH] Fix header sorting for modules without headers
---
cmake/OpenCVModule.cmake | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/cmake/OpenCVModule.cmake b/cmake/OpenCVModule.cmake
index bcbca833f2..5501b99113 100644
--- a/cmake/OpenCVModule.cmake
+++ b/cmake/OpenCVModule.cmake
@@ -877,7 +877,9 @@ macro(_ocv_create_module)
ocv_compiler_optimization_process_sources(OPENCV_MODULE_${the_module}_SOURCES OPENCV_MODULE_${the_module}_DEPS_EXT ${the_module})
set(__module_headers ${OPENCV_MODULE_${the_module}_HEADERS})
- list(SORT __module_headers) # fix headers order, useful for bindings
+ if(__module_headers)
+ list(SORT __module_headers) # fix headers order, useful for bindings
+ endif()
set(OPENCV_MODULE_${the_module}_HEADERS ${__module_headers} CACHE INTERNAL "List of header files for ${the_module}")
set(OPENCV_MODULE_${the_module}_SOURCES ${OPENCV_MODULE_${the_module}_SOURCES} CACHE INTERNAL "List of source files for ${the_module}")