Translate also makepch.sh in python for Win32 builds

CMakeLists.txt

@@ -137,8 +137,8 @@ add_custom_command(OUTPUT etc/dictpch/allLinkDefs.h
                    DEPENDS ${CMAKE_SOURCE_DIR}/build/unix/makepchinput.py ${__allFiles})
 
 add_custom_command(OUTPUT etc/allDict.cxx.pch
-                   COMMAND ${CMAKE_SOURCE_DIR}/etc/dictpch/makepch.sh etc/allDict.cxx.pch -I${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_INCLUDEDIR}
-                   DEPENDS ${CMAKE_SOURCE_DIR}/etc/dictpch/makepch.sh
+                   COMMAND ${CMAKE_SOURCE_DIR}/etc/dictpch/makepch.py etc/allDict.cxx.pch -I${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_INCLUDEDIR}
+                   DEPENDS ${CMAKE_SOURCE_DIR}/etc/dictpch/makepch.py
                            etc/dictpch/allLinkDefs.h
                            etc/dictpch/allHeaders.h
                            etc/dictpch/allCppflags.txt

etc/dictpch/makepch.py

+#! /usr/bin/env python
+#
+# Build a pch for the headers and linkdefs in root-build-dir/etc/dictpch/.
+# root-build-dir is first tried as ./ - if that doesn't exist, $ROOTSYS
+# is taken as root-build-dir.
+#
+# $1: PCH output file name
+# $2: cxxflags (optional; required if extra headers are supplied)
+# $3: extra headers to be included in the PCH (optional)
+#
+# exit code 1 for invocation errors; else exit code of rootcling invocation.
+#
+# Copyright (c) 2014 Rene Brun and Fons Rademakers
+# Author: Axel Naumann <axel@cern.ch>, 2014-10-16
+# Translated to python by Danilo Piparo, 2015-4-23
+
+
+import sys
+import os
+import shutil
+
+#-------------------------------------------------------------------------------
+def getArgs():
+   argv = sys.argv
+   argc = len(argv)
+   if argc < 2:
+      print "ERROR: too few arguments specified!"
+   pchFileName = argv[1]
+   cxxflags = ""
+   if argc > 2:
+      cxxflags = argv[2]
+   extraHeadersList = ""
+   if argc > 3:
+      extraHeadersList = argv[2:]
+   return pchFileName, cxxflags, extraHeadersList
+
+#-------------------------------------------------------------------------------
+def getCppFlags(cppflagsFilename):
+   ifile = open(cppflagsFilename)
+   lines = ifile.readlines()
+   ifile.close()
+   cppFlags = " ".join(map(lambda line: line[:-1], lines))
+   return cppFlags
+
+
+#-------------------------------------------------------------------------------
+def makepch():
+   """
+   Create a pch starting from the following arguments
+   1) pch file name
+   2) Compiler flags - optional, required if extra headers are supplied
+   3) Extra headers - optional
+   """
+   rootdir = "."
+   cfgdir = os.path.join("etc","dictpch")
+   allheadersFilename = os.path.join(cfgdir,"allHeaders.h")
+   alllinkdefsFilename = os.path.join(cfgdir,"allLinkDefs.h")
+   cppflagsFilename = os.path.join(cfgdir,"allCppflags.txt")
+
+   pchFileName, extraCppflags, extraHeadersList = getArgs()
+   extraHeaders = " ".join(extraHeadersList)
+
+   rootbuildFlag=""
+   loc1 = os.path.join(rootdir, allheadersFilename)
+   rootsys = os.environ["ROOTSYS"]
+   loc2 = os.path.join(rootsys, allheadersFilename)
+
+   if not os.path.exists(loc1):
+      rootdir = rootsys
+      if not os.path.exists(loc2):
+         print "ERROR: cannot find %s file here %s nor here %s" %(allheadersFilename, loc1, loc2)
+         sys.exit(1)
+   else:
+      rootbuildFlag="-rootbuild"
+
+
+   cppFlags = getCppFlags(cppflagsFilename)
+
+   cppflagsList=["-D__CLING__",
+                 "-D__STDC_LIMIT_MACROS",
+                 "-D__STDC_CONSTANT_MACROS",
+                 "-DROOT_PCH",
+                 "-I%s" %os.path.join(rootdir,"include"),
+                 "-I%s" %os.path.join(rootdir,"etc"),
+                 "-I%s" %os.path.join(rootdir,cfgdir),
+                 "-I%s" %os.path.join(rootdir,"etc","cling"),
+                 cppFlags]
+
+   cppflagsList.append(extraCppflags)
+
+   allCppFlags = " ".join(cppflagsList)
+
+   rootclingExe = os.path.join(rootdir,"bin","rootcling")
+   command = "%s %s -1 -f allDict.cxx -noDictSelection -c %s %s %s %s" %(rootclingExe,
+                                                                         rootbuildFlag,
+                                                                         allCppFlags,
+                                                                         allheadersFilename,
+                                                                         extraHeaders,
+                                                                         alllinkdefsFilename)
+
+   ret = os.system(command)
+   if ret == 0:
+      shutil.move("allDict_rdict.pch",pchFileName)
+      os.unlink("allDict.cxx")
+
+   sys.exit(ret)
+
+if __name__ == "__main__":
+   ret = makepch()
+   sys.exit(ret)