[QT] Enable the 'NEW' mode of CMP0100 (openMVG#1760)

Without this, new versions of cmake do not run automoc on .hh files, generating linker errors for the ui tools.
JoonVan · Jun 24, 2020 · cf5a575 · cf5a575
1 parent 6eedd0b
commit cf5a575
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
@@ -9,6 +9,11 @@ CMAKE_MINIMUM_REQUIRED(VERSION 3.1)
 
 project(openMVG C CXX)
 
+# Run automoc on .hh files in new versions of cmake
+if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.17")
+  cmake_policy(SET CMP0100 NEW)
+endif()
+
 # guard against in-source builds
 if (${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
   message(FATAL_ERROR "In-source builds not allowed.")