builld: allow out of source build * Makefile.in: add TOP_BUILD_DIR var and use TOP_DIR=srcdir, TOP_BUILD_DIR=builddir, modify paths to use TOP_DIR where needed * binary-dist-rules.mk: use TOP_DIR and TOP_BUILD_DIR where needed * makeinst-script.sh: use script path to determine TOPDIR, use TOPDIR where needed * src/default-octave.mk: install octave-version to builddir * src/stable-octave.mk: install octave-version to builddir * src/octave.mk: install octave-version to builddir * tools/set-mxe-env.sh.in: update fir builddir and srcdir use

diff -ur gdcm-2.0.19.orig/Source/Common/gdcmException.h gdcm-2.0.19/Source/Common/gdcmException.h
--- gdcm-2.0.19.orig/Source/Common/gdcmException.h	2014-07-26 11:45:31 -0400
+++ gdcm-2.0.19/Source/Common/gdcmException.h	2014-07-26 11:57:11 -0400
@@ -14,6 +14,13 @@
 #ifndef GDCMEXCEPTION_H
 #define GDCMEXCEPTION_H
 
+#ifdef __MINGW32__
+  #include <_mingw.h>
+  #ifdef MINGW_HAS_SECURE_API
+    #undef MINGW_HAS_SECURE_API
+  #endif
+#endif
+
 #include <cassert>
 #include <cstdlib> // NULL
 #include <exception>