From 635383c00c6c7aa9caee9c86b51dfec24bbd350b Mon Sep 17 00:00:00 2001
From: Christoph Junghans <junghans@votca.org>
Date: Wed, 9 May 2018 22:09:19 -0600
Subject: [PATCH] cmake: cache check for installed packages
---
cmake/CMakeLists.txt | 21 ++++++++++++++-------
1 file changed, 14 insertions(+), 7 deletions(-)
diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index e9fb441ef4..ef6b88a19e 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -23,14 +23,21 @@ if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CXX_FLAGS)
set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel." FORCE)
endif(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CXX_FLAGS)
+file(GLOB SRC_FILES ${LAMMPS_SOURCE_DIR}/*.cpp)
+list(SORT SRC_FILES)
# check for files installed by make-based buildsystem
-file(GLOB SRC_STYLE_FILES ${LAMMPS_SOURCE_DIR}/*/*.cpp)
-foreach(_SRC SRC_STYLE_FILES)
- get_filename_component(FILENAME "${_SRC}" NAME)
- if(EXISTS ${LAMMPS_SOURCE_DIR}/${FILENAME})
- message(FATAL_ERROR "Found packages installed by the make-based buildsystem, please run 'make -C ${LAMMPS_SOURCE_DIR} no-all purge'")
- endif()
-endforeach()
+# only run this time consuming check if there are new files
+if(NOT SRC_FILES STREQUAL SRC_FILES_CACHED)
+ file(GLOB SRC_PKG_FILES ${LAMMPS_SOURCE_DIR}/*/*.cpp)
+ message(STATUS "Running check for installed package (this might take a while)")
+ foreach(_SRC SRC_PKG_FILES)
+ get_filename_component(FILENAME "${_SRC}" NAME)
+ if(EXISTS ${LAMMPS_SOURCE_DIR}/${FILENAME})
+ message(FATAL_ERROR "Found packages installed by the make-based buildsystem, please run 'make -C ${LAMMPS_SOURCE_DIR} no-all purge'")
+ endif()
+ endforeach()
+ set(SRC_FILES_CACHED "${SRC_FILES}" CACHE INTERNAL "List of file in LAMMPS_SOURCE_DIR" FORCE)
+endif()
enable_language(CXX)
--
GitLab