Re: [xml] Trouble compiling a library

[David Wimsey <dwimsey rtsz com>]

You should probably start with an intro to C programming course.  This isn't the place for newbie questions.

On Jul 11, 2012, at 11:03 AM, michael jerusalmi steria com wrote:

> Hi,
> I discovered libxml a few weeks ago, and after a few days playing with it, I decided to build my own 
> library using libxml.
> I have my lib.c and my lib.h files ready to be compiled.
>
> Problem, I'm having issues to compile them, as I'm overwhelmed with error messages during the compilation.
>
> Here is the content of my folders :
>
> my root : /home/emmji/tmp/xml
>
> /root
> ----/libxml2-2.7.8 (kept intact since installation)
>      ----/bakefile
>      ----/doc
>      ----/example
>      ----/include
>           ----/libxml
>                 ----/ (all the .h files)
>           ---- Makefile
>           ---- (all the rest ...)
>      ----/ (all the rest ...)
> ----/xmlinst (the installation folder)
> ---- lib.c
> ---- lib.h
>
> My lib.h contains : 
> #include <stdio.h>
> #include <string.h>
> #include "libxml2-2.7.8/include/libxml/parser.h"
> #include "libxml2-2.7.8/include/libxml/tree.h"
>
> and my lib.c : 
> #include "lib.h"
>
> The problem is that I don't understand what's going on : is there a problem with libxml itself (i doubt 
> it)? is there a problem of path in my declaration ? why for example, in parser.h, tree.h is linked as 
> "libxml/tree.h" (because like that, it's normal that it's not found...) ? Do I miss a environment variable 
> somewhere ?
>
> I put at the end of my message a part of the errors : 
>
> Thanks for your help.
>
> Regards
>
> Michael
>
>
>
>
> [emmji xml]$ gcc -c lib.c
> In file included from lib.h:25,
>                 from lib.c:24:
> libxml2-2.7.8/include/libxml/parser.h:15:31: error: libxml/xmlversion.h: No such file or directory
> libxml2-2.7.8/include/libxml/parser.h:16:25: error: libxml/tree.h: No such file or directory
> libxml2-2.7.8/include/libxml/parser.h:17:25: error: libxml/dict.h: No such file or directory
> libxml2-2.7.8/include/libxml/parser.h:18:25: error: libxml/hash.h: No such file or directory
> libxml2-2.7.8/include/libxml/parser.h:19:26: error: libxml/valid.h: No such file or directory
> libxml2-2.7.8/include/libxml/parser.h:20:29: error: libxml/entities.h: No such file or directory
> libxml2-2.7.8/include/libxml/parser.h:21:29: error: libxml/xmlerror.h: No such file or directory
> libxml2-2.7.8/include/libxml/parser.h:22:30: error: libxml/xmlstring.h: No such file or directory
> In file included from lib.h:25,
>                 from lib.c:24:
> libxml2-2.7.8/include/libxml/parser.h:52: error: expected ')' before '*' token
> libxml2-2.7.8/include/libxml/parser.h:56: error: expected specifier-qualifier-list before 
> 'xmlParserInputBufferPtr'
> libxml2-2.7.8/include/libxml/parser.h:187: error: expected specifier-qualifier-list before 'xmlDocPtr'
>
> (... many others errors on parser.h ...)
>
> libxml2-2.7.8/include/libxml/parser.h:1174: error: expected '=', ',', ';', 'asm' or '__attribute__' before 
> 'xmlDocPtr'
> libxml2-2.7.8/include/libxml/parser.h:1229: error: expected '=', ',', ';', 'asm' or '__attribute__' before 
> 'int'
> In file included from lib.h:26,
>                 from lib.c:24:
> libxml2-2.7.8/include/libxml/tree.h:35: error: conflicting types for 'xmlParserInputPtr'
> libxml2-2.7.8/include/libxml/parser.h:801: error: previous declaration of 'xmlParserInputPtr' was here
> libxml2-2.7.8/include/libxml/tree.h:88: error: expected specifier-qualifier-list before 'xmlChar'
>
> In file included from lib.h:26,
>                 from lib.c:24:
> libxml2-2.7.8/include/libxml/tree.h:294:30: error: libxml/xmlregexp.h: No such file or directory
> libxml2-2.7.8/include/libxml/tree.h:310: error: expected ':', ',', ';', '}' or '__attribute__' before '*' 
> token
> libxml2-2.7.8/include/libxml/tree.h:353: error: expected ':', ',', ';', '}' or '__attribute__' before '*' 
> token
>
> (... many others errors on tree.h ...)
>
> libxml2-2.7.8/include/libxml/tree.h:1213: error: expected '=', ',', ';', 'asm' or '__attribute__' before 
> 'int'
> libxml2-2.7.8/include/libxml/tree.h:1218: error: expected '=', ',', ';', 'asm' or '__attribute__' before 
> 'int'
> In file included from lib.c:24:
> lib.h:39: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'xmlNewDoc'
> lib.h:41: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'xmlNodePtr'
> lib.h:44: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'xmlNodePtr'
> lib.h:47: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'xmlNodePtr'
> lib.h:52: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'xmlNodePtr'
> lib.h:55: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'xmlNodePtr'
> lib.h:59: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'int'
> lib.h:64: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'void'
> lib.c:43: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'xmlNewDoc'
> lib.c:66: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'xmlNodePtr'
> lib.c:90: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'xmlNodePtr'
> lib.c:115: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'xmlNodePtr'
> lib.c:141: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'xmlNodePtr'
> lib.c:166: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'xmlNodePtr'
> lib.c:193: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'int'
> lib.c:218: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'void'
>
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