sci-visualization/xds-viewer: Allow for compiling with GCC 6

Gentoo-bug: 598126
* EAPI=6
* Add missing sub-slot operators

Package-Manager: portage-2.3.2

2 files changed, 72 insertions, 6 deletions

diff --git a/sci-visualization/xds-viewer/files/xds-viewer-0.6-fix-c++14.patch b/sci-visualization/xds-viewer/files/xds-viewer-0.6-fix-c++14.patch
new file mode 100644
index 000000000000..612b5038c845
--- /dev/null
+++ b/sci-visualization/xds-viewer/files/xds-viewer-0.6-fix-c++14.patch
@@ -0,0 +1,66 @@
+Fix building with C++14, caused by invalid implicit T* -> bool conversions.
+See also: https://bugs.gentoo.org/show_bug.cgi?id=598126
+
+--- a/src/CbfReader.cpp
++++ b/src/CbfReader.cpp
+@@ -315,12 +315,12 @@
+ 
+ 	for ( int i = 0;i < nx*ny;i++ )
+ 	{
+-		if ( tapin.get( sc ) == 0 )return -4;
++		if ( !tapin.get( sc ) )return -4;
+ 		diff = sc;
+ 		if ( diff == -128 )
+ 		{
+-			if ( tapin.get( uc0 ) == 0 )return -4;
+-			if ( tapin.get( uc1 ) == 0 )return -4;
++			if ( !tapin.get( uc0 ) )return -4;
++			if ( !tapin.get( uc1 ) )return -4;
+ 			tmp0 = uc0;
+ 			if ( uc0 < 0 ) tmp0 += 256; // converting signed to unsigned char
+ 			diff = uc1;
+@@ -329,15 +329,15 @@
+ 			if ( diff > 32767 )diff -= 65536;
+ 			if ( diff == -32768 )
+ 			{
+-				if ( tapin.get( uc0 ) == 0 )return -4;
+-				if ( tapin.get( uc1 ) == 0 )return -4;
++				if ( !tapin.get( uc0 ) )return -4;
++				if ( !tapin.get( uc1 ) )return -4;
+ 				tmp0 = uc0;
+ 				if ( tmp0 < 0 ) tmp0 += 256; // converting signed to unsigned char
+ 				tmp1 = uc1;
+ 				if ( tmp1 < 0 ) tmp1 += 256; // converting signed to unsigned char
+ 				diff = tmp0 + 256 * tmp1;
+-				if ( tapin.get( uc0 ) == 0 )return -4;
+-				if ( tapin.get( uc1 ) == 0 )return -4;
++				if ( !tapin.get( uc0 ) )return -4;
++				if ( !tapin.get( uc1 ) )return -4;
+ 				tmp0 = uc0;
+ 				if ( tmp0 < 0 ) tmp0 += 256; // converting signed to unsigned char
+ 				tmp1 = uc1;
+@@ -359,7 +359,7 @@
+ {
+ 	std::ifstream::pos_type streamPos = tapin.tellg();
+ 
+-	char binaryMarker[5] = {12, 26, 4, 213, '\0'};
++	char binaryMarker[5] = {12, 26, 4, (char)213, '\0'};
+ 	char buffer[5] = {0, 0, 0, 0, '\0'};
+ 
+ 	bool equal = true;
+@@ -448,13 +448,13 @@
+ 
+ int CbfReader::checkImageFormat( std::ifstream& tapin )
+ {
+-	if ( tapin == 0 )return -2; // Cannot open image file
++	if ( !tapin )return -2; // Cannot open image file
+ 
+ 	{ // Check image file format
+ 		std::string s( "###CBF: " );
+ 		char label[9];
+ 		for ( int i = 0;i < 8;i++ )
+-			if ( tapin.get( label[i] ) == false )return -4; // Cannot read image file
++			if ( !tapin.get( label[i] ) )return -4; // Cannot read image file
+ 		label[8] = '\0';
+ 		std::string sLabel = ( std::string )label;
+ 
diff --git a/sci-visualization/xds-viewer/xds-viewer-0.6.ebuild b/sci-visualization/xds-viewer/xds-viewer-0.6-r1.ebuild
index 6a79a58ef306..3d4b78c87060 100644
--- a/sci-visualization/xds-viewer/xds-viewer-0.6.ebuild
+++ b/sci-visualization/xds-viewer/xds-viewer-0.6-r1.ebuild
@@ -1,12 +1,12 @@
-# Copyright 1999-2013 Gentoo Foundation
+# Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Id$
 
-EAPI=4
+EAPI=6
 
 inherit cmake-utils
 
-DESCRIPTION="Viewing X-ray diffraction and control images in the context of data processing by the XDS"
+DESCRIPTION="X-ray diffraction/control image viewer in the context of data processing by XDS"
 HOMEPAGE="http://xds-viewer.sourceforge.net/"
 SRC_URI="mirror://sourceforge/${PN}/${P}.tar.gz"
 
@@ -17,9 +17,9 @@ IUSE=""
 
 RDEPEND="
 	dev-libs/glib:2
-	media-libs/libpng
+	media-libs/libpng:0=
 	dev-qt/qtgui:4"
 DEPEND="${RDEPEND}"
 
-DOCS="README"
-HTML_DOCS="src/doc/*"
+HTML_DOCS=( src/doc/. )
+PATCHES=( "${FILESDIR}"/${P}-fix-c++14.patch )