From 62984c1de0f2cfe7dfdb027d16194b07d3e4f387 Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Fri, 22 Jun 2018 08:02:17 -0400
Subject: [PATCH] small tweaks: improve messages and comments

---
 cmake/CMakeLists.txt | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index e5eec31ebb..3dc1dac00c 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -34,19 +34,19 @@ list(APPEND SRC_AUTOGEN_FILES ${LAMMPS_SOURCE_DIR}/lmpinstalledpkgs.h)
 foreach(_SRC ${SRC_AUTOGEN_FILES})
   get_filename_component(FILENAME "${_SRC}" NAME)
   if(EXISTS ${LAMMPS_SOURCE_DIR}/${FILENAME})
-          message(FATAL_ERROR "\nFound file(s) generated by the make-based build system.\nPlease run 'make -C ${LAMMPS_SOURCE_DIR} purge'")
+          message(FATAL_ERROR "\nFound header file(s) generated by the make-based build system.\nPlease run 'make -C ${LAMMPS_SOURCE_DIR} purge' to remove")
   endif()
 endforeach()
 
-# check for files installed by make-based buildsystem
-# only run this time consuming check if there are new files
+# check for files from packages installed by the make-based buildsystem
+# this is slow, so only run this 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 packages installed with 'make yes-<package>' (this may take a while)")
   foreach(_SRC ${SRC_PKG_FILES})
     get_filename_component(FILENAME "${_SRC}" NAME)
     if(EXISTS ${LAMMPS_SOURCE_DIR}/${FILENAME})
-      message(FATAL_ERROR "\nFound package(s) installed by the make-based build system\nPlease run 'make -C ${LAMMPS_SOURCE_DIR} no-all purge'")
+      message(FATAL_ERROR "\nFound package(s) installed by the make-based build system\nPlease run 'make -C ${LAMMPS_SOURCE_DIR} no-all purge' to uninstall")
     endif()
   endforeach()
   set(SRC_FILES_CACHED "${SRC_FILES}" CACHE INTERNAL "List of file in LAMMPS_SOURCE_DIR" FORCE)
-- 
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