Re: Git 2.31.1, Solaris and error: conflicting types for 'inet_ntop'

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On Sat, Mar 27, 2021 at 8:45 PM brian m. carlson
<sandals@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> On 2021-03-28 at 00:18:37, Jeffrey Walton wrote:
> > Hi Everyone,
> >
> > I'm building the latest Git on Solaris 11.3. I use this patch for
> > Solaris: https://github.com/noloader/Build-Scripts/blob/master/patch/git.patch.
> > It ensures -lresolv -lsocket -lnsl (in that order).
> >
> > The build is having some trouble:
> >
> > /bin/gcc -o kwset.o -c -MF ./.depend/kwset.o.d -MQ kwset.o -MMD -MP
> > -I/usr/local/include -DNDEBUG -DNO_UNALIGNED_LOADS=1 -g2 -O2 -m64
> > -march=native -fPIC -pthread -I. -D__EXTENSIONS__ -D__sun__
> > -DGIT_HOST_CPU="\"i86pc\"" -DUSE_LIBPCRE2 -I/usr/local/include
> > -DHAVE_ALLOCA_H -I/usr/local/include -DUSE_CURL_FOR_IMAP_SEND
> > -I/usr/local/include -I/usr/local/include -I/usr/local/include
> > -I/usr/local/include -DNO_D_TYPE_IN_DIRENT -DNO_INET_NTOP
>
> So you're defining NO_INET_NTOP.
>
> > -DNO_INET_PTON -DSHA1_DC -DSHA1DC_NO_STANDARD_INCLUDES
> > -DSHA1DC_INIT_SAFE_HASH_DEFAULT=0
> > -DSHA1DC_CUSTOM_INCLUDE_SHA1_C="\"cache.h\""
> > -DSHA1DC_CUSTOM_INCLUDE_UBC_CHECK_C="\"git-compat-util.h\""
> > -DSHA256_BLK  -DHAVE_PATHS_H -DHAVE_LIBCHARSET_H -DHAVE_STRINGS_H
> > -DHAVE_DEV_TTY -DHAVE_CLOCK_GETTIME -DHAVE_CLOCK_MONOTONIC
> > -DHAVE_GETDELIM  -DFREAD_READS_DIRECTORIES -Icompat/regex
> > -DSHELL_PATH='"/bin/bash"' -DPAGER_ENV='"LESS=FRX LV=-c"'  kwset.c
> > In file included from cache.h:4:0,
> >                  from json-writer.c:1:
> > git-compat-util.h:823:13: error: conflicting types for 'inet_ntop'
> >  const char *inet_ntop(int af, const void *src, char *dst, size_t size);
>
> So we're defining one here.
>
> > In file included from cache.h:4:0,
> >                  from ident.c:8:
> > git-compat-util.h:823:13: error: conflicting types for 'inet_ntop'
> >  const char *inet_ntop(int af, const void *src, char *dst, size_t size);
> >              ^
> > In file included from git-compat-util.h:226:0,
> >                  from cache.h:4,
> >                  from ident.c:8:
> > /usr/include/arpa/inet.h:43:20: note: previous declaration of
> > 'inet_ntop' was here
> >  extern const char *inet_ntop(int, const void *_RESTRICT_KYWD,
>
> And then so are your system headers.  You probably want to avoid setting
> that option, and then things will probably work better.

I see what happened... I stopped Autoreconfing so the configure.ac
changes were not picked up. The original configure is being used.

I think Git is getting itself into that state.

Without the Autoreconf, I was able to sidestep the issue with:

if [[ "${IS_SOLARIS}" -eq 1 ]]; then
    CONFIG_OPTS+=("ac_cv_func_inet_ntop=yes")
    CONFIG_OPTS+=("ac_cv_func_inet_pton=yes")
fi

Jeff



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