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pkg/53190: 2 extra patches for news/nget for g++ 4.9.



>Number:         53190
>Category:       pkg
>Synopsis:       2 extra patches for news/nget for g++ 4.9.
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Apr 16 20:10:00 +0000 2018
>Originator:     Rhialto
>Release:        NetBSD 7.0.1
>Organization:
>Environment:
System: NetBSD murthe.falu.nl 7.0.1 NetBSD 7.0.1 (MURTHE7.0.1) #0: Tue Jun 7 23:03:24 CEST 2016 rhialto%murthe.falu.nl@localhost:/usr/src/sys/arch/amd64/compile/MURTHE7.0.1 amd64
Architecture: x86_64
Machine: amd64
>Description:
	Building the news/nget package fails with gcc 4.9.x.
	Older compiler versions were apparently more lax with their checking of const.

	I added a template with an extra const; maybe the version without const is not needed but I didn't check.

	+pred<ClassType> *new_comparison(RetType (ClassType::*memberf)(void) const, RetType v){
	                                                                     ^^^^^ new
>How-To-Repeat:
	cd /usr/pkgsrc/news/nget && make
>Fix:
	2 new patches:

patch-etree.cc:

$NetBSD$

Improve const-correctness.

--- etree.cc.orig	2018-04-16 19:50:09.000000000 +0000
+++ etree.cc
@@ -82,6 +82,10 @@ template <template <class A, class B> cl
 pred<ClassType> *new_comparison(RetType (ClassType::*memberf)(void), RetType v){
 	return new Comparison<Op, MemfuncGetter, RetType, ClassType>(memberf, v);
 }
+template <template <class A, class B> class Op, class ClassType, class RetType>
+pred<ClassType> *new_comparison(RetType (ClassType::*memberf)(void) const, RetType v){
+	return new Comparison<Op, MemfuncGetter, RetType, ClassType>(memberf, v);
+}
 template <class ClassType, class getterT, class T2>
 pred<ClassType> *comparison(const string &opstr, getterT get, T2 v) {
 	if      (opstr.compare("==")==0) return new_comparison<Op_eq,ClassType>(get, v);
@@ -115,6 +119,10 @@ template <template <class A, class B> cl
 pred<ClassType> *new_comparison_re(RetType (ClassType::*memberf)(void), const char *pattern, int flags){
 	return new Comparison_re<Op, MemfuncGetter, RetType, ClassType>(memberf, pattern, flags);
 }
+template <template <class A, class B> class Op, class ClassType, class RetType>
+pred<ClassType> *new_comparison_re(RetType (ClassType::*memberf)(void) const, const char *pattern, int flags){
+	return new Comparison_re<Op, MemfuncGetter, RetType, ClassType>(memberf, pattern, flags);
+}
 template <class ClassType, class getterT>
 pred<ClassType> *comparison_re(const string &opstr, getterT get, const char *pattern, int flags) {
 	//typedef const string &T;


patch-getter.h:

$NetBSD$

Improve const-correctness.

--- getter.h.orig	2018-04-16 19:54:17.000000000 +0000
+++ getter.h
@@ -35,7 +35,7 @@ class MemGetter {
 template <class RetType, class ClassType>
 class MemfuncGetter {
 	private:
-		typedef RetType (ClassType::*member_t)(void);
+		typedef RetType (ClassType::*member_t)(void) const;
 		member_t member;		
 	public:
 		typedef RetType T;


-Olaf.
-- 
___ Olaf 'Rhialto' Seibert  -- Wayland: Those who don't understand X
\X/ rhialto/at/falu.nl      -- are condemned to reinvent it. Poorly.



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