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

From: brian m. carlson <sandals@crustytoothpaste.net>
Date: Mar 28, 2021, 00:45 UTC
Message-ID: <YF/RtL+TS6+DNCTk@camp.crustytoothpaste.net>
In-Reply-To: <CAH8yC8nUpHP4iX-iQqMqX4wR6sMZO2MQv9fBVVTSys67_oGX0A@mail.gmail.com>

On 2021-03-28 at 00:18:37, Jeffrey Walton wrote:

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> 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.

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> -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.

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> 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.

-- 
brian m. carlson (he/him or they/them)
Houston, Texas, US