[PATCH] build: drop support for gmime-2.6

[Tomi Ollila]

On Wed, May 01 2019, David Bremner wrote:

> GMime 3.0 is over 2 years old now, and 2.6 has been deprecated in
> notmuch for about 1.5 years.
> ---
>
> Thanks to Rob Browning, I realized that the gzipped-mail-file series I
> have recently posted does not compile with GMime 2.6. This made me
> think that maybe it's the right time to drop support for GMime
> 2.6.
>
> Travis will need some fix if we take this step. The alternative is to
> add more gmime-2.6 compatibility code. I think the particular case
> that I hit with the gzip patches (g_mime_stream_fs_open) is not that
> hard to paper over, but I do wonder if that's a good use of our time
> as developers.
>
> I guess we could run a GMime PPA. Or we could migrate to some other CI
> system. So far the latter is heavy on the talk, light on the action.
>
>  configure | 18 ++----------------
>  1 file changed, 2 insertions(+), 16 deletions(-)
>
> diff --git a/configure b/configure
> index 5e7e5aa9..4163b584 100755
> --- a/configure
> +++ b/configure
> @@ -489,9 +489,6 @@ EOF
>      rm -rf test.db _default_backend _default_backend.cc
>  fi
>  
> -# we need to have a version >= 2.6.5 to avoid a crypto bug. We need
> -# 2.6.7 for permissive "From " header handling.
> -GMIME_MINVER=2.6.7
>  GMIME3_MINVER=3.0.3

This series looks good, but why change GMIME_MINVER to GMIME3_MINVER ?

>  
>  printf "Checking for GMime development files... "
> @@ -502,17 +499,6 @@ if pkg-config --exists "gmime-3.0 > $GMIME3_MINVER"; then
>      gmime_ldflags=$(pkg-config --libs gmime-3.0)
>      gmime_major=3
>      have_gmime_session_keys=1
> -elif pkg-config --exists "gmime-2.6 >= $GMIME_MINVER"; then
> -    printf "Yes (2.6).\n"
> -    have_gmime=1
> -    gmime_cflags=$(pkg-config --cflags gmime-2.6)
> -    gmime_ldflags=$(pkg-config --libs gmime-2.6)
> -    gmime_major=2
> -    if pkg-config --exists "gmime-2.6 >= 2.6.21"; then
> -        have_gmime_session_keys=1
> -    else
> -        have_gmime_session_keys=0
> -    fi
>  else
>      have_gmime=0
>      have_gmime_session_keys=0
> @@ -788,7 +774,7 @@ EOF
>  	echo
>      fi
>      if [ $have_gmime -eq 0 ]; then
> -	echo "	GMime 2.6 library >= $GMIME_MINVER"
> +	echo "	GMime 3.0 library >= $GMIME3_MINVER"
>  	echo "	(including development files such as headers)"
>  	echo "	https://github.com/jstedfast/gmime/"
>  	echo
> @@ -810,7 +796,7 @@ case a simple command will install everything you need. For example:
>  
>  On Debian and similar systems:
>  
> -	sudo apt-get install libxapian-dev libgmime-2.6-dev libtalloc-dev zlib1g-dev
> +	sudo apt-get install libxapian-dev libgmime-3.0-dev libtalloc-dev zlib1g-dev
>  
>  Or on Fedora and similar systems:
>  
> -- 
> 2.20.1