Re: Channel Archiver compilation error

[Heinz Junkes <junkes@fhi-berlin.mpg.de>]

I'm trying to compile pbeApp which is part of ca2a and get the following error:

/usr/bin/g++ -c  -D_GNU_SOURCE -D_DEFAULT_SOURCE            -D_X86_64_  -DUNIX  -Dlinux     -O3 -g   -Wall       -m64      -MMD -I. -I../O.Common -I. -I.. -I../../include/os/Linux -I../../include -I/home/epics/EPICS/base/include/os/Linux -I/home/epics/EPICS/base/include       -I/home/epics/EPICS/extensions/include -I/home/epics/EPICS/extensions/src/ChannelArchiver/Storage  ../listpvs.cpp
../listpvs.cpp: In function ‘int main(int, char**)’:
../listpvs.cpp:38:25: error: cannot declare variable ‘iter’ to be of abstract type ‘Index::NameIterator’
     Index::NameIterator iter;
                         ^~~~
In file included from /home/epics/EPICS/extensions/src/ChannelArchiver/Storage/ReaderFactory.h:9:0,
                 from /home/epics/EPICS/extensions/src/ChannelArchiver/Storage/SpreadsheetReader.h:7,
                 from ../listpvs.cpp:26:
/home/epics/EPICS/extensions/src/ChannelArchiver/Storage/Index.h:104:11: note:   because the following virtual functions are pure within ‘Index::NameIterator’:
     class NameIterator
           ^~~~~~~~~~~~
/home/epics/EPICS/extensions/src/ChannelArchiver/Storage/Index.h:110:22: note: 	virtual bool Index::NameIterator::isValid() const
         virtual bool isValid() const = 0;
                      ^~~~~~~
/home/epics/EPICS/extensions/src/ChannelArchiver/Storage/Index.h:113:34: note: 	virtual const stdString& Index::NameIterator::getName() const
         virtual const stdString &getName() const = 0;
                                  ^~~~~~~
/home/epics/EPICS/extensions/src/ChannelArchiver/Storage/Index.h:118:23: note: 	virtual void Index::NameIterator::next()
         virtual void  next() = 0;
                       ^~~~
../listpvs.cpp:39:13: error: ‘class AutoIndex’ has no member named ‘getFirstChannel’; did you mean ‘findChannel’?
     if(!idx.getFirstChannel(iter)) {
             ^~~~~~~~~~~~~~~
../listpvs.cpp:46:16: error: ‘class AutoIndex’ has no member named ‘getNextChannel’; did you mean ‘addChannel’?
     }while(idx.getNextChannel(iter));
                ^~~~~~~~~~~~~~
/home/epics/EPICS/base/configure/RULES_BUILD:221: recipe for target 'listpvs.o' failed
make[2]: *** [listpvs.o] Error 1

Heinz


> On 15. Dec 2017, at 16:42, Michael Davidsaver <mdavidsaver@gmail.com> wrote:
> 
> You might also try https://github.com/epicsdeb/channelarchiver which is what I developed/tested my
> ca2aa converter against.
> 
> 
> On 12/15/2017 04:49 AM, Wang, Lin wrote:
>> Hello Kay,
>> 
>> I would like to build a Channel Archiver test environment to investigate data migration to Archiver Appliance.
>> 
>> When I built the latest Channel Archiver source code from github [1] within EPICS_BASE/src directory, I encountered the following error:
>> 
>> /usr/bin/g++ -c  -D_POSIX_C_SOURCE=199506L -D_POSIX_THREADS -D_XOPEN_SOURCE=500           -D_X86_64_  -DUNIX  -D_BSD_SOURCE -Dlinux  -D_REENTRANT   -g   -Wall     -D ARCH_VERSION=3 -D ARCH_RELEASE=0 -D ARCH_PATCH=0 -D ARCH_VERSION_TXT=\"3.0.0\" -I../../../../include -I../../../../include/os/Linux -I/usr/local/include -DFUX_XERCES  -m64      -MMD -I. -I../O.Common -I. -I.. -I../../../../include/os/Linux -I../../../../include        ../AVLTreeTest.cpp
>> In file included from ../AVLTreeTest.cpp:4:0:
>> ../AVLTree.h: In instantiation of ‘bool AVLTree<Item>::find(Item&) [with Item = int]’:
>> ../AVLTreeTest.cpp:37:24:   required from here
>> ../AVLTree.h:80:46: error: ‘sort_compare’ was not declared in this scope, and no declarations were found by argument-dependent lookup at the point of instantiation [-fpermissive]
>>              comp = sort_compare(item, n->item);
>>                                               ^
>> ../AVLTreeTest.cpp:7:12: note: ‘int sort_compare(const int&, const int&)’ declared here, later in the translation unit
>>  static int sort_compare(const int &a, const int &b)
>>             ^
>> In file included from ../AVLTreeTest.cpp:4:0:
>> ../AVLTree.h: In instantiation of ‘bool AVLTree<Item>::insert(AVLItem<Item>*, AVLItem<Item>**) [with Item = int]’:
>> ../AVLTree.h:61:28:   required from ‘void AVLTree<Item>::add(const Item&) [with Item = int]’
>> ../AVLTreeTest.cpp:31:24:   required from here
>> ../AVLTree.h:168:62: error: ‘sort_compare’ was not declared in this scope, and no declarations were found by argument-dependent lookup at the point of instantiation [-fpermissive]
>>          int comp = sort_compare(new_node->item, (*node)->item);
>>                                                               ^
>> ../AVLTreeTest.cpp:7:12: note: ‘int sort_compare(const int&, const int&)’ declared here, later in the translation unit
>>  static int sort_compare(const int &a, const int &b)
>>             ^
>> In file included from ../AVLTreeTest.cpp:4:0:
>> ../AVLTree.h: In instantiation of ‘void AVLTree<Item>::print_dot_node(FILE*, AVLItem<Item>*, int&) [with Item = int; FILE = _IO_FILE]’:
>> ../AVLTree.h:286:34:   required from ‘void AVLTree<Item>::make_dotfile(const char*) [with Item = int]’
>> ../AVLTreeTest.cpp:49:28:   required from here
>> ../AVLTree.h:220:40: error: ‘toString’ was not declared in this scope, and no declarations were found by argument-dependent lookup at the point of instantiation [-fpermissive]
>>                  me, toString(node->item), (int)node->balance);
>>                                         ^
>> ../AVLTreeTest.cpp:20:20: note: ‘const char* toString(const int&)’ declared here, later in the translation unit
>>  static const char *toString(const int &i)
>>                     ^
>> ../../../../configure/RULES_BUILD:209: recipe for target 'AVLTreeTest.o' failed
>> make[2]: *** [AVLTreeTest.o] Error 1
>> make[2]: Leaving directory '/home/wanglin/base-3.14.12.3/src/ChannelArchiver/Tools/O.linux-x86_64'
>> ../../../configure/RULES_ARCHS:63: recipe for target 'install.linux-x86_64' failed
>> make[1]: *** [install.linux-x86_64] Error 2
>> make[1]: Leaving directory '/home/wanglin/base-3.14.12.3/src/ChannelArchiver/Tools'
>> ../../configure/RULES_DIRS:70: recipe for target 'Tools.install' failed
>> make: *** [Tools.install] Error 2
>> 
>> If I move sort_compare() and toString() methods to the position before "#include AVLTree.h" in Tools/AVLTreeTest.cpp as follows, the problem is gone.
>> 
>> 
>> #include <stdio.h>
>> #include <stdlib.h>
>> 
>> static int sort_compare(const int &a, const int &b)
>> {   return b-a; }
>> 
>> static const char *toString(const int &i)
>> {
>>     static char txt[10];
>>     sprintf(txt, "%d", i);
>>     return txt;
>> }
>> 
>> #include "AVLTree.h"
>> #include "UnitTest.h"
>> 
>> static int avl_last_number;
>> static bool tree_is_ordered;
>> 
>> static void avl_order_test(const int &i, void *)
>> {
>>     if (i < avl_last_number)
>>         tree_is_ordered = false;
>>     avl_last_number = i;
>> }
>> 
>> Will this workaround cause any issue? Is there any other solution recommended?
>> 
>> 
>> My platform is Debian 8 (Jessie), gcc/g++ 4.9.2
>> 
>> 
>> 
>> Thanks,
>> 
>> Lin
>> 
>> 
>> [1] https://github.com/EPICSTools/ChannelArchiver
>> 
>

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