Merge pull request #532 from rest-for-physics/jgalan_lcg

Adding LCG to thisREST.sh if LCG environment is identified

cmake/cmake_uninstall.cmake.in

@@ -9,9 +9,9 @@ foreach(file ${files})
   message(STATUS "Uninstalling $ENV{DESTDIR}${file}")
   if(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}")
     execute_process(
-      "${CMAKE_COMMAND}" ARGS "-E remove \"$ENV{DESTDIR}${file}\""
+	  COMMAND ${CMAKE_COMMAND} -E rm -f $ENV{DESTDIR}${file}
       OUTPUT_VARIABLE rm_out
-      RETURN_VALUE rm_retval
+	  RESULT_VARIABLE rm_retval
       )
     if(NOT "${rm_retval}" STREQUAL 0)
       message(FATAL_ERROR "Problem when removing $ENV{DESTDIR}${file}")

cmake/thisREST.cmake

@@ -1,5 +1,40 @@
 # Write thisREST.[c]sh to INSTALL directory
 
+# Check if the LCG environment was loaded. Then it will be sourced in
+# thisREST.sh
+set(loadLCG "")
+if (DEFINED ENV{LCG_VERSION})
+    # Retrieve the value of the environment variable
+    set(LCG_VERSION $ENV{LCG_VERSION})
+
+    # Print the value of the environment variable in CMake
+    message(STATUS "Found LCG environment! Version: ${LCG_VERSION}")
+
+    set(C_INCLUDE_PATH "$ENV{C_INCLUDE_PATH}")
+
+    string(FIND "${C_INCLUDE_PATH}" ":" COLON_POSITION)
+
+    if (COLON_POSITION GREATER_EQUAL 0)
+        # Extract the substring from the beginning up to the position of the
+        # first ':'
+        string(SUBSTRING "${C_INCLUDE_PATH}" 0 "${COLON_POSITION}" C_CLEAN)
+    else ()
+        # If ':' is not found, use the entire string
+        set(C_CLEAN "${C_INCLUDE_PATH}")
+    endif ()
+
+    string(REPLACE "include" "setup.sh" LCG_SETUP "${C_CLEAN}")
+
+    # Print the modified string
+    message(STATUS "Original path: ${C_CLEAN}")
+    message(STATUS "Modified path: ${LCG_SETUP}")
+
+    set(loadLCG
+        "\# We load the LCG_${LCG_VERSION} environment.\necho \\\"Loading\ LCG_${LCG_VERSION}\ environment\\\"\nsource ${LCG_SETUP}\n"
+    )
+
+endif ()
+
 # We identify the thisroot.sh script for the corresponding ROOT version
 execute_process(
     COMMAND root-config --prefix
@@ -97,6 +132,8 @@ file( WRITE \${CMAKE_INSTALL_PREFIX}/thisREST.sh
 
 \"\#!/bin/bash
 
+${loadLCG}
+
 \# check active shell by checking for existence of _VERSION variable
 if [[ -n \\\"\\\${BASH_VERSION}\\\" ]]; then
     thisdir=\\\$(cd \\\$(dirname \\\${BASH_ARGV[0]}); pwd)