[Pfc] Fix compilation on OSX

src/XrdFileCache.cmake

@@ -27,8 +27,7 @@ add_library(
   XrdFileCache/XrdFileCacheIO.cc            XrdFileCache/XrdFileCacheIO.hh
   XrdFileCache/XrdFileCacheIOEntireFile.cc  XrdFileCache/XrdFileCacheIOEntireFile.hh
   XrdFileCache/XrdFileCacheIOFileBlock.cc   XrdFileCache/XrdFileCacheIOFileBlock.hh
-  XrdFileCache/XrdFileCacheDecision.hh
-  XrdFileCache/posix_fallocate_osx.hh)
+  XrdFileCache/XrdFileCacheDecision.hh)
 
 target_link_libraries(
   ${LIB_XRD_FILECACHE}

src/XrdFileCache/XrdFileCacheCommand.cc

@@ -27,6 +27,7 @@
 #include "XrdOuc/XrdOucEnv.hh"
 #include "XrdOuc/XrdOucStream.hh"
 #include "XrdSys/XrdSysLogger.hh"
+#include "XrdSys/XrdSysFallocate.hh"
 
 #include <algorithm>
 #include <cstring>
@@ -35,10 +36,6 @@
 #include <vector>
 #include <sys/time.h>
 
-#ifdef __APPLE__
-#include "posix_fallocate_osx.hh"
-#endif
-
 using namespace XrdFileCache;
 
 //______________________________________________________________________________

src/XrdFileCache/posix_fallocate_osx.hh → src/XrdSys/XrdSysFallocate.cc

@@ -22,6 +22,10 @@
 // along with XRootD.  If not, see <http://www.gnu.org/licenses/>.
 //----------------------------------------------------------------------------------
 
+// Implementation of posix_allocate for OSX.
+
+#ifdef __APPLE__
+
 #include <fcntl.h>
 #include <unistd.h>
 #include <sys/types.h>
@@ -69,7 +73,7 @@
 //      file descriptions associated with the file.
 
 
-static int posix_fallocate(int fd, off_t offset, off_t len)
+int posix_fallocate(int fd, off_t offset, off_t len)
 {
     off_t c_test;
     int ret;
@@ -92,3 +96,5 @@ static int posix_fallocate(int fd, off_t offset, off_t len)
     }
     return ret;
 }
+
+#endif

src/XrdSys/XrdSysFallocate.hh

@@ -0,0 +1,35 @@
+//----------------------------------------------------------------------------------
+// 1. The Original Code is Mozilla code.
+//    The Initial Developer of the Original Code is Mozilla Foundation.
+//    Portions created by the Initial Developer are Copyright (C) 2010 the Initial Developer. All Rights Reserved.
+//    Contributor(s):  Taras Glek <tglek@mozilla.com>
+// 2. Created from the OSX-specific code from Mozilla's mozilla::fallocation() function.
+//    Adaptation (C) 2015,2016 R.J.V. Bertin for KDE, project.
+//
+// Original license allows modification / redistribution under LGPL 2.1 or higher.
+//----------------------------------------------------------------------------------
+// XRootD is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// XRootD is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with XRootD.  If not, see <http://www.gnu.org/licenses/>.
+//----------------------------------------------------------------------------------
+
+// Implementation of posix_allocate for OSX.
+
+#ifdef __APPLE__
+
+extern int posix_fallocate(int fd, off_t offset, off_t len);
+
+#else
+
+#include <fcntl.h>
+
+#endif

src/XrdUtils.cmake

@@ -54,6 +54,8 @@ add_library(
                                 XrdSys/XrdSysLogPI.hh
                                 XrdSys/XrdSysLinuxSemaphore.hh
   XrdSys/XrdSysXAttr.cc         XrdSys/XrdSysXAttr.hh
+  XrdSys/XrdSysFallocate.cc     XrdSys/XrdSysFallocate.hh
+
 
   #-----------------------------------------------------------------------------
   # XrdOuc