On Sun, 11 Sep 2022, Mike Tubby via Exim-users wrote:

On 11/09/2022 22:15, Andrew C Aitchison via Exim-users wrote:
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.
             ...             ...
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

Can't seem to find what's missing ... any ideas?

Are you trying to build the Exim.org or the Debian way ?

If Debian, I would start with
   sudo apt-get build-dep exim4
which ought to install the dependencies for you.

---------------------------------

I note that between 4.95 and 4.96
  src/EDITME
changes include:

471,472c471,472
< PCRE_CONFIG=yes
< # PCRE_LIBS=-lpcre
---
PCRE2_CONFIG=yes
# PCRE_LIBS=-lpcre2

Have you included this change in exim-4.96/Local/Makefile ?

If you are using the Exim source, do you have
   pcre2-config
in your path ?

Unfortunately your build logs seem to hide the link line arguments,
so I cannot see how it is trying to include the pcre2 library.

doing a "make clean" and a "make" results in:

<snip> // lots of good stuff

x86_64-linux-gnu-gcc perl.c
cc malware.c
cc mime.c
cc regex.c
cc spam.c
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

I would like to see the arguments to the line above :-)

--
Andrew C. Aitchison                      Kendal, UK
                   and...@aitchison.me.uk
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