Set CMAKE_INSTALL_LIBDIR to default, if undefined (#754)

Fixes a bug introduced with #746
CloudCompare · Jun 4, 2018 · 4808ba5 · 4808ba5
1 parent f29cfc2
commit 4808ba5
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -25,6 +25,9 @@ set( INSTALL_DESTINATIONS CloudCompare )
 # RPATH Linux/Unix: (dynamic) libs are put in a subdir of prefix/lib,
 # since they are only used by qCC/ccViewer
 if( UNIX AND NOT APPLE )
+	if( NOT CMAKE_INSTALL_LIBDIR )
+		set( CMAKE_INSTALL_LIBDIR ${CMAKE_INSTALL_PREFIX}/lib CACHE PATH "CloudCompare lib dir" )
+	endif( NOT CMAKE_INSTALL_LIBDIR )
 	set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_LIBDIR}/cloudcompare")
 endif()