KWSys 2014-12-16 (cc4046a8)

Extract upstream KWSys using the following shell commands.

$ git archive --prefix=upstream-kwsys/ cc4046a8 | tar x
$ git shortlog --no-merges --abbrev=8 --format='%h %s' dec9c30b..cc4046a8
Brad King (2):
      9c3eacf8 Add CONTRIBUTING.rst file with instructions to contribute
      cc4046a8 Directory: Work around PGI problem with Linux Large File Support

Jean-Christophe Fillion-Robin (2):
      c38ba638 SystemInformation: Improve Get(Available/Total)VirtualMemory for windows
      58308145 SystemInformation: Improve comments in private implementation

Change-Id: Ic033444a9c03a8a8b5195e7dac108af2aec79fa6

1 files changed, 14 insertions, 9 deletions

diff --git a/Directory.cxx b/Directory.cxx
index 741bcba..04b2866 100644
--- a/Directory.cxx
+++ b/Directory.cxx
@@ -203,13 +203,18 @@ unsigned long Directory::GetNumberOfFilesInDirectory(const kwsys_stl::string& na
 #include <sys/types.h>
 #include <dirent.h>
 
-/* There is a problem with the Portland compiler, large file
-support and glibc/Linux system headers: 
-http://www.pgroup.com/userforum/viewtopic.php?
-p=1992&sid=f16167f51964f1a68fe5041b8eb213b6
-*/
-#if defined(__PGI) && defined(__USE_FILE_OFFSET64)
-# define dirent dirent64
+// PGI with glibc has trouble with dirent and large file support:
+//  http://www.pgroup.com/userforum/viewtopic.php?
+//  p=1992&sid=f16167f51964f1a68fe5041b8eb213b6
+// Work around the problem by mapping dirent the same way as readdir.
+#if defined(__PGI) && defined(__GLIBC__)
+# define kwsys_dirent_readdir dirent
+# define kwsys_dirent_readdir64 dirent64
+# define kwsys_dirent kwsys_dirent_lookup(readdir)
+# define kwsys_dirent_lookup(x) kwsys_dirent_lookup_delay(x)
+# define kwsys_dirent_lookup_delay(x) kwsys_dirent_##x
+#else
+# define kwsys_dirent dirent
 #endif
 
 namespace KWSYS_NAMESPACE
@@ -226,7 +231,7 @@ bool Directory::Load(const kwsys_stl::string& name)
     return 0;
     }
 
-  for (dirent* d = readdir(dir); d; d = readdir(dir) )
+  for (kwsys_dirent* d = readdir(dir); d; d = readdir(dir) )
     {
     this->Internal->Files.push_back(d->d_name);
     }
@@ -240,7 +245,7 @@ unsigned long Directory::GetNumberOfFilesInDirectory(const kwsys_stl::string& na
   DIR* dir = opendir(name.c_str());
 
   unsigned long count = 0;
-  for (dirent* d = readdir(dir); d; d = readdir(dir) )
+  for (kwsys_dirent* d = readdir(dir); d; d = readdir(dir) )
     {
     count++;
     }