Fix for coverity (AdC)

[u/mrichter/AliRoot.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2064a161d80b79349ed377455e1eabcd7333a4ca..13c5d7d121fd4010c990a8af7ca209ac38a95a09 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-# -*- mode: cmake -*-
+# -*- mode: cmake -*-/usr/share/applications/thunderbird.desktop 
 
 # Top level CMakeList.txt file for the AliRoot Build System
 #
@@ -27,22 +27,25 @@ endif(NOT ALICE_ROOT)
 
 set(ALICE_INSTALL $ENV{ALICE_INSTALL})
 # Set AliRoot Installation directory 
-if(NOT ALICE_INSTALL)
-  message(STATUS "AliRoot files will be installed in ${ALICE_ROOT}. You can specify a different location by setting ALICE_INSTALL environment variable")
-  set(ALICE_INSTALL ${ALICE_ROOT})
-else()
-  message(STATUS "AliRoot files will be installed in ${ALICE_INSTALL}")
-endif(NOT ALICE_INSTALL)
-if(${ALICE_INSTALL} STREQUAL ${CMAKE_BINARY_DIR})
-  message(FATAL_ERROR "Install dir should be different from build dir")
-endif()
-
 # If CMAKE_INSTALL_PREFIX was not set than we set it to ALICE_INSTALL. 
 # If ALICE_INSTALL was not defined than it will default to source directory
 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
-  set(CMAKE_INSTALL_PREFIX ${ALICE_INSTALL})
+    if(ALICE_INSTALL)
+       message(STATUS "AliRoot files will be installed in ${ALICE_INSTALL}")
+    else()
+       message(STATUS "AliRoot files will be installed in ${ALICE_ROOT}. You
+       can specify a different location by passing -DCMAKE_INSTALL_PREFIX or
+       by setting ALICE_INSTALL environment variable")
+       set(ALICE_INSTALL ${ALICE_ROOT})
+       if(${ALICE_INSTALL} STREQUAL ${CMAKE_BINARY_DIR})
+           message(FATAL_ERROR "The install directory must differ from the
+           build directory")
+       endif()
+    endif()
+    set(CMAKE_INSTALL_PREFIX ${ALICE_INSTALL} CACHE STRING "Install dir" FORCE)
 endif()
 
+
 # Environment for SHUTTLE
 set(DIMDIR $ENV{DIMDIR})
 set(ODIR $ENV{ODIR})
@@ -138,7 +141,7 @@ set(BINLIBDIRS "-L${CMAKE_LIBRARY_OUTPUT_DIRECTORY}")
 
 # Standard Modules
 # ------------------------------
-set(ALIROOTMODULES STEER PHOS TRD TPC ZDC MUON PMD FMD TOF ITS AD ACORDE HMPID T0 BCM STRUCT VZERO THijing THbtp EMCAL THerwig TEPEMGEN FASTSIM TPHIC RAW MONITOR ANALYSIS JETAN HLT STAT TTherminator CORRFW DPMJET TDPMjet STARLIGHT PWGPP PWG PWGCF PWGGA PWGHF PWGDQ PWGJE PWGLF PWGUD TRIGGER PYTHIA8 TAmpt OADB MFT TEvtGen FIT)
+set(ALIROOTMODULES STEER PHOS TRD TPC ZDC MUON PMD FMD TOF ITS AD ACORDE HMPID T0 BCM STRUCT VZERO THijing THbtp EMCAL THerwig TEPEMGEN FASTSIM TPHIC RAW MONITOR STORAGE ANALYSIS JETAN HLT STAT TTherminator CORRFW DPMJET TDPMjet STARLIGHT PWGPP PWG PWGCF PWGGA PWGHF PWGDQ PWGJE PWGLF PWGUD TRIGGER PYTHIA8 TAmpt OADB MFT TEvtGen FIT)
 
 if(THydjet)
   list(APPEND ALIROOTMODULES THydjet)
@@ -184,7 +187,12 @@ set(LIBS ${ROOTCLIBS} ${ROOTPLIBS} ${SYSLIBS})
 
 # Configure ARVerion.h
 # ------------------------------
-#If the sources were taken from Git
+# If the sources were taken from Git
+# Sets 3 git variables
+#  - GIT_REFSPEC - complete name of the current reference
+#  - ALIROOT_BRANCH - name of the branch or tag extracted from the current reference
+#  - GIT_SHA1 - current hash in the long format
+#  - GIT_SHORT_SHA1 - current hash in the short format
 if(EXISTS ${PROJECT_SOURCE_DIR}/.git/)
  include(GetGitRevisionDescription)
  
@@ -192,19 +200,41 @@ if(EXISTS ${PROJECT_SOURCE_DIR}/.git/)
  
  if(GIT_FOUND)
   get_git_head_revision(GIT_REFSPEC GIT_SHA1)
-  message(STATUS "Aliroot branch - ${GIT_REFSPEC} Revision - ${GIT_SHA1} ")
+
+  # GIT_REFSPEC is empty for detached mode = tags in detached mode or checkout to specific hash
+ 
+
+  # returns the closest reference to the current hash
+  # name of the current tag or heads/branch in the case of branches
+  git_describe(ALIROOT_GIT_TAG "--all" "--abbrev=0")
 
   STRING(REGEX REPLACE "^(.+/)(.+)/(.*)$" "\\2" BRANCH_TYPE "${GIT_REFSPEC}" )
-  
+
+  # the revision is not set in the case of a branch, it means we are doing development
+  # and the revision will trigger a reconfiguration
   if(BRANCH_TYPE STREQUAL "heads")
    set(ALIROOT_REVISION "ThisIsaBranchNoRevisionProvided")
+   STRING(REGEX REPLACE "^(.+/)(.+/)(.*)$" "\\3" SHORT_BRANCH "${GIT_REFSPEC}" )
   else()
+   set(SHORT_BRANCH ${ALIROOT_GIT_TAG})
    set(ALIROOT_REVISION ${GIT_SHA1})
   endif()
 
-  STRING(REGEX REPLACE "^(.+/)(.+/)(.*)$" "\\3" SHORT_BRANCH "${GIT_REFSPEC}" )
-
   set(ALIROOT_BRANCH ${SHORT_BRANCH})
+  
+  # generate the short version of the revision hash
+  execute_process(COMMAND git rev-parse --short ${GIT_SHA1} 
+                          WORKING_DIRECTORY ${CMAKE_SOURCE_DIR} 
+                          OUTPUT_STRIP_TRAILING_WHITESPACE 
+                          RESULT_VARIABLE res
+                          OUTPUT_VARIABLE GIT_SHORT_SHA1)
+
+  # if the rev-parse fails we set the short sha to the long initial one
+  if(NOT res EQUAL 0)
+    set(GIT_SHORT_SHA1 ${GIT_SHA1})
+  endif()
+  
+  message(STATUS "Aliroot branch/tag: \"${ALIROOT_BRANCH}\" - Revision:  \"${GIT_SHORT_SHA1}\" ")
 
  else()
   message("Git not installed. I can't tell you which revision you are using!")
@@ -213,7 +243,7 @@ else()
  message("AliRoot sources not downloaded from a Version Control System. I can't tell which revision you are using!")
 endif(EXISTS ${PROJECT_SOURCE_DIR}/.git/)
 
-configure_file(${PROJECT_SOURCE_DIR}/cmake/ARVersion.h.tmp ${CMAKE_INCLUDE_EXPORT_DIRECTORY}/ARVersion.h @ONLY)
+configure_file(${PROJECT_SOURCE_DIR}/cmake/ARVersion.h.tmp ${CMAKE_INCLUDE_EXPORT_DIRECTORY}/FromTemplate/ARVersion.h @ONLY)
 
 string (REPLACE "-" "." ALIROOT_BRANCH_SPEC "${ALIROOT_BRANCH}")