GnuPG compile error

[Herbert J. Skuhra]

Rastislav Pacuta skrev:
> 
> Hi All,
> I am trying to install gnupg-2.1.21 on Red Hat Enterprise Linux Server
> release 6.8
> 
>         GnuPG v2.1.21 has been configured as follows:
> 
>         Revision:  9574820  (38260)
>         Platform:  GNU/Linux (x86_64-pc-linux-gnu)
> 
>         OpenPGP:   yes
>         S/MIME:    yes
>         Agent:     yes
>         Smartcard: yes (without internal CCID driver)
>         G13:       no
>         Dirmngr:   yes
>         Gpgtar:    yes
>         WKS tools: no
> 
>         Protect tool:      (default)
>         LDAP wrapper:      (default)
>         Default agent:     (default)
>         Default pinentry:  (default)
>         Default scdaemon:  (default)
>         Default dirmngr:   (default)
> 
>         Dirmngr auto start:  yes
>         Readline support:    no
>         LDAP support:        no
>         TLS support:         no
>         TOFU support:        no
>         Tor support:         yes
> 
> During make command I get this error output:
> 
> sysutils.c: In function âgnupg_inotify_watch_socketâ:
> sysutils.c:1163: error: âIN_EXCL_UNLINKâ undeclared (first use in this
> function)
> sysutils.c:1163: error: (Each undeclared identifier is reported only once
> sysutils.c:1163: error: for each function it appears in.)
> make[3]: *** [libcommon_a-sysutils.o] Error 1
> make[3]: Leaving directory `/tmp/gnupg-2.1.21/common'
> make[2]: *** [all] Error 2
> make[2]: Leaving directory `/tmp/gnupg-2.1.21/common'
> make[1]: *** [all-recursive] Error 1
> make[1]: Leaving directory `/tmp/gnupg-2.1.21'
> make: *** [all] Error 2
> 
> I checked bug reports and haven't found anything similar...

Your kernel/OS is probably too old. According to inotify(7) you
need at least kernel 2.6.36.

You can try:

% ./configure ac_cv_func_inotify_init=no

Emacs uses:

/* Ignore bits that might be undefined on old GNU/Linux systems.  */
#ifndef IN_EXCL_UNLINK
# define IN_EXCL_UNLINK 0
#endif

--
Herbert