Update .la files on each build
This makes sure other build systems trigger properly, e.g. when
building Xvnc.
diff --git a/cmake/Modules/CMakeMacroLibtoolFile.cmake b/cmake/Modules/CMakeMacroLibtoolFile.cmake
index a54d994..1d8b8fc 100644
--- a/cmake/Modules/CMakeMacroLibtoolFile.cmake
+++ b/cmake/Modules/CMakeMacroLibtoolFile.cmake
@@ -132,6 +132,10 @@
file(APPEND ${_laname} "dlpreopen=''\n\n")
file(APPEND ${_laname} "libdir='/usr/lib'\n\n")
+ # Make sure the timestamp is updated to trigger other make invocations
+ add_custom_command(TARGET ${_target} POST_BUILD COMMAND
+ "${CMAKE_COMMAND}" -E touch "${_laname}")
+
# Add custom command to symlink the static library so that autotools finds
# the library in .libs. These are executed after the specified target build.