On Sun, 11 Sep 2022, Mike Tubby via Exim-users wrote:
> Hi all,
>
> Compiling Exim 4.96 fails on Devuan 4.0 Chimaera (basically Debian but
> without systemd).
>
> Firstly it complained that I didn't have "pcre2.h" - which it has never asked
> for before:
>
> /bin/sh ../scripts/Configure-os.h
> cc -DMACRO_PREDEF macro_predef.c
> In file included from macro_predef.c:12:
> exim.h:527:10: fatal error: pcre2.h: No such file or directory
> 527 | #include <pcre2.h>
> | ^~~~~~~~~
> compilation terminated.
>
> so I did:
>
> root@relay1:/home/mike/exim-4.96# apt-cache search pcre2
> elpa-pcre2el - Emacs mode to convert between PCRE, Emacs and rx regexp
> syntax
> libpcre2-16-0 - New Perl Compatible Regular Expression Library - 16 bit
> runtime files
> libpcre2-32-0 - New Perl Compatible Regular Expression Library - 32 bit
> runtime files
> libpcre2-8-0 - New Perl Compatible Regular Expression Library- 8 bit
> runtime files
> libpcre2-dev - New Perl Compatible Regular Expression Library -
> development files
> libpcre2-posix2 - New Perl Compatible Regular Expression Library -
> posix-compatible runtime files
> libpcre3 - Old Perl 5 Compatible Regular Expression Library - runtime
> files
> libpcre3-dev - Old Perl 5 Compatible Regular Expression Library -
> development files
> librust-grep-pcre2-dev - Use PCRE2 with the 'grep' crate - Rust source
> code
> librust-pcre2-dev - High level wrapper library for PCRE2 - Rust source
> code
> librust-pcre2-sys-dev - Low level bindings to PCRE2 - Rust source code
> pcre2-utils - New Perl Compatible Regular Expression Library - utilities
> root@relay1:/home/mike/exim-4.96#
>
> and installed the bits I thought I needed:
>
> root@relay1:/home/mike/exim-4.96# apt-get install libpcre2-dev
> libpcre2-posix2
> Reading package lists... Done
> Building dependency tree... Done
> Reading state information... Done
> The following additional packages will be installed:
> libpcre2-16-0 libpcre2-32-0
> The following NEW packages will be installed:
> libpcre2-16-0 libpcre2-32-0 libpcre2-dev libpcre2-posix2
> 0 upgraded, 4 newly installed, 0 to remove and 0 not upgraded.
> Need to get 1,231 kB of archives.
> After this operation, 3,980 kB of additional disk space will be used.
> Do you want to continue? [Y/n]
> Get:1 http://gb.deb.devuan.org/merged chimaera/main amd64 libpcre2-16-0
> amd64 10.36-2 [231 kB]
> Get:2 http://gb.deb.devuan.org/merged chimaera/main amd64 libpcre2-32-0
> amd64 10.36-2 [220 kB]
> Get:3 http://gb.deb.devuan.org/merged chimaera/main amd64 libpcre2-posix2
> amd64 10.36-2 [49.1 kB]
> Get:4 http://gb.deb.devuan.org/merged chimaera/main amd64 libpcre2-dev
> amd64 10.36-2 [731 kB]
> Fetched 1,231 kB in 4s (311 kB/s)
>
> <snip>
>
>
> Now hen I compile I get:
>
> cc spool_mbox.c
> cc arc.c
> cc bmi_spam.c
> cc dane.c
> cc dcc.c
> cc dmarc.c
> cc imap_utf7.c
> cc spf.c
> cc utf8.c
> cc version.c
> cc -o exim
> /usr/bin/ld: exim.o: in function `show_whats_supported':
> exim.c:(.text+0x95b): undefined reference to `pcre2_config_8'
> /usr/bin/ld: exim.o: in function `regex_must_compile':
> exim.c:(.text+0xf96): undefined reference to `pcre2_compile_8'
> /usr/bin/ld: exim.c:(.text+0xfcd): undefined reference to
> `pcre2_general_context_create_8'
> /usr/bin/ld: exim.c:(.text+0xfd8): undefined reference to
> `pcre2_compile_context_create_8'
> /usr/bin/ld: exim.c:(.text+0xfff): undefined reference to
> `pcre2_compile_8'
> /usr/bin/ld: exim.c:(.text+0x100f): undefined reference to
> `pcre2_compile_context_free_8'
> /usr/bin/ld: exim.c:(.text+0x1017): undefined reference to
> `pcre2_general_context_free_8'
> /usr/bin/ld: exim.c:(.text+0x1030): undefined reference to
> `pcre2_get_error_message_8'
> /usr/bin/ld: exim.c:(.text+0x1072): undefined reference to
> `pcre2_get_error_message_8'
> /usr/bin/ld: exim.o: in function `regex_match_and_setup':
> exim.c:(.text+0x10c8): undefined reference to
> `pcre2_match_data_create_from_pattern_8'
> /usr/bin/ld: exim.c:(.text+0x10f2): undefined reference to
> `pcre2_match_8'
> /usr/bin/ld: exim.c:(.text+0x1132): undefined reference to
> `pcre2_get_error_message_8'
>
> ...
>
> <snip>
>
> ...
>
>
>
> Can't seem to find what's missing ... any ideas?
# apt show libpcre2-8-0
... ...
This package contains the 8 bit runtime library, which operates on
ASCII and UTF-8 input.
so I guess libpcre2-8-0 wasn't already installed.
It wouldn't hurt to "make clean" first either.
--
Andrew C. Aitchison Kendal, UK
andrew@???
