graphics/hugin: Added a patch for gcc-4.7.x.

Signed-off-by: Matteo Bernardini <ponce@slackbuilds.org>

graphics/hugin/hugin-gcc47.patch

@@ -0,0 +1,33 @@
+diff -r 658ded2153f2 src/celeste/Utilities.h
+--- a/src/celeste/Utilities.h	Sun Jan 01 13:23:39 2012 +0100
++++ b/src/celeste/Utilities.h	Sat Jan 07 19:38:25 2012 +0000
+@@ -33,6 +33,8 @@
+ #include <stdio.h>
+ #ifdef _WINDOWS
+ #include "direct.h"
++#else
++#include <unistd.h>
+ #endif
+ 
+ using namespace std; 
+diff -r 658ded2153f2 src/foreign/zthread/include/zthread/Guard.h
+--- a/src/foreign/zthread/include/zthread/Guard.h	Sun Jan 01 13:23:39 2012 +0100
++++ b/src/foreign/zthread/include/zthread/Guard.h	Sat Jan 07 19:38:25 2012 +0000
+@@ -428,7 +428,7 @@
+   template <class U, class V>
+   Guard(Guard<U, V>& g) : LockHolder<LockType>(g) {
+ 
+-    LockingPolicy::shareScope(*this, extract(g));
++    LockingPolicy::shareScope(*this, this->extract(g));
+     
+   }
+ 
+@@ -458,7 +458,7 @@
+   template <class U, class V>
+   Guard(Guard<U, V>& g, LockType& lock) : LockHolder<LockType>(lock) {
+ 
+-    LockingPolicy::transferScope(*this, extract(g));
++    LockingPolicy::transferScope(*this, this->extract(g));
+ 
+   }
+ 

graphics/hugin/hugin.SlackBuild

@@ -27,7 +27,7 @@
 
 PRGNAM=hugin
 VERSION=2011.4.0
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
@@ -68,6 +68,10 @@ cd $PRGNAM-$VERSION
 chown -R root:root .
 chmod -R u+w,go+r-w,a-s .
 
+# apply patch to make compilation work with gcc 4.7
+# patch taken from https://bugs.launchpad.net/hugin/+bug/913250
+patch -p1 < $CWD/hugin-gcc47.patch
+
 cmake \
   -DCMAKE_C_FLAGS="$SLKCFLAGS" \
   -DCMAKE_CXX_FLAGS="$SLKCFLAGS" \