[bug#30864] mailutils: fix TODO note and build with mariadb sql

[ng0]

mailutils had this note to build it with sql.

I picked mariadb, the attached patch builds alright.

But:
Why do we want this? mariadb adds *very much* to the size of the package and its
dependencies.

size before adding mariadb:

store item                                                       total    self
/gnu/store/vz3zfmphvv4w4y7nffwr4jkk7k4s0rfs-guile-2.2.3            116.4    
44.3  27.9%
/gnu/store/2ifmksc425qcysl5rkxkbv6yrgc1w9cs-gcc-5.5.0-lib           60.4    
30.1  18.9%
/gnu/store/4sqaib7c2dfjv62ivrg9b8wa7bh226la-glibc-2.26.105-g0890d5379c    30.3  
  28.8  18.1%
/gnu/store/xahax73vcsfnslqrb2s10szffn1f8zvv-mailutils-3.4          158.8    
12.6   8.0%
/gnu/store/dkdlrdkfi5n8w0xilf63nnz1jkcz0lxr-guile-2.0.14            84.6    
12.5   7.9%
/gnu/store/cfw4w2a30macx4lly4978298frdmaghl-ncurses-6.0-20170930    66.2     
5.8   3.7%
/gnu/store/1n59wjm6dbvc38b320iiwrxra3dg7yv8-libunistring-0.9.8      65.0     
4.6   2.9%
/gnu/store/i397mqhpihsx45c0cbqfsnlvp4q4fkm1-gnutls-3.5.13          124.0     
4.4   2.8%
/gnu/store/xh4k91vl0i8nlyrmvsh01x0mz629w5a9-gmp-6.1.2               63.1     
2.7   1.7%
/gnu/store/gwyb3679v49ljisgkvzay2xa3njgq4ii-linux-pam-1.3.0         63.3     
1.9   1.2%
/gnu/store/90vz0r78bww7dxhpa7vsiynr1rcqhyh4-nettle-3.4              64.9     
1.8   1.2%
/gnu/store/05dvazr5wfh7lxx4zi54zfqnx6ha8vxr-bash-static-4.4.12       1.5     
1.5   0.9%
/gnu/store/8bnpvbd1f926wy63kna8gr347nq04340-readline-7.0.3          67.5     
1.3   0.8%
/gnu/store/vgmln3b639r68vvy75xhcbi7d2w31mx1-pkg-config-0.29.2       61.7     
1.3   0.8%
/gnu/store/c4jrwbv7qckvnqa7f3h7bd1hh8rbg72y-libgc-7.6.0             62.2     
1.2   0.8%
/gnu/store/mm0zclrzj3y7rj74hzyd0f224xly04fh-bash-minimal-4.4.12     31.3     
1.0   0.6%
/gnu/store/p2iv444q6mpqsfaqwmzzhfcsxd81bqz5-gdbm-1.13               61.0     
0.6   0.4%
/gnu/store/zksh1n0p9x903kqbvswgwy2vsk2b7255-libatomic-ops-7.4.8      0.6     
0.6   0.4%
/gnu/store/ksyja5lbwy0mpskvn4rfi5klc00c092d-libidn2-2.0.4           65.5     
0.5   0.3%
/gnu/store/2fg01r58vv9w41kw6drl1wnvqg7rkv9d-libtasn1-4.12           60.8     
0.4   0.3%
/gnu/store/8hxm8am4ll05sa8wlwgdq2lj4ddag464-zlib-1.2.11             60.8     
0.4   0.2%
/gnu/store/0jawbsyafm93nxf4rcmkf1rsk7z03qfa-libltdl-2.4.6           60.5     
0.2   0.1%
/gnu/store/l15mx9lrwdflyvmb4a05va05v5yqizg5-libffi-3.2.1            60.5     
0.1   0.1%
total: 158.8 MiB


size after adding mariadb:

store item                                                       total    self
/gnu/store/1iqwxsj5k87av9pq1vvdls31i3gsavv4-mariadb-10.1.29        604.5   
302.3  43.4%
/gnu/store/x9x6vmspwx3d47m742ampja44pcs8ys9-gcc-5.5.0              182.7    
93.2  13.4%
/gnu/store/4paq5m3wnb6p8ch8jy9d0xdgh5fy19s6-perl-5.26.1            132.3    
52.5   7.5%
/gnu/store/vz3zfmphvv4w4y7nffwr4jkk7k4s0rfs-guile-2.2.3            116.4    
44.3   6.4%
/gnu/store/2ifmksc425qcysl5rkxkbv6yrgc1w9cs-gcc-5.5.0-lib           60.4    
30.1   4.3%
/gnu/store/xfjba1kww8ngdc6nxldd8ly93nh13ayy-gcc-5.5.0-lib           60.4    
30.1   4.3%
/gnu/store/4sqaib7c2dfjv62ivrg9b8wa7bh226la-glibc-2.26.105-g0890d5379c    30.3  
  28.8   4.1%
/gnu/store/n6acaivs0jwiwpidjr551dhdni5kgpcr-glibc-2.26.105-g0890d5379c    30.3  
  28.8   4.1%
/gnu/store/as7vb5xx7vqdwmmqj9543470r49b4c0c-coreutils-8.28          78.9    
15.0   2.2%
/gnu/store/2p0pwla1qg0ramf1ymi0jr43wq9hs82v-mailutils-3.4          695.8    
12.7   1.8%
/gnu/store/dkdlrdkfi5n8w0xilf63nnz1jkcz0lxr-guile-2.0.14            84.6    
12.5   1.8%
/gnu/store/4r565cg1pn2hfky0hb94mxyiqaygrlss-libxml2-2.9.7           72.9    
10.0   1.4%
/gnu/store/cfw4w2a30macx4lly4978298frdmaghl-ncurses-6.0-20170930    66.2     
5.8   0.8%
/gnu/store/1n59wjm6dbvc38b320iiwrxra3dg7yv8-libunistring-0.9.8      65.0     
4.6   0.7%
/gnu/store/i397mqhpihsx45c0cbqfsnlvp4q4fkm1-gnutls-3.5.13          124.0     
4.4   0.6%
/gnu/store/xh4k91vl0i8nlyrmvsh01x0mz629w5a9-gmp-6.1.2               63.1     
2.7   0.4%
/gnu/store/0rikh0izxyz1gq6s5x2kljid4zx6hqb9-gmp-6.1.2               63.1     
2.7   0.4%
/gnu/store/gwyb3679v49ljisgkvzay2xa3njgq4ii-linux-pam-1.3.0         63.3     
1.9   0.3%
/gnu/store/90vz0r78bww7dxhpa7vsiynr1rcqhyh4-nettle-3.4              64.9     
1.8   0.3%
/gnu/store/05dvazr5wfh7lxx4zi54zfqnx6ha8vxr-bash-static-4.4.12       1.5     
1.5   0.2%
/gnu/store/8bnpvbd1f926wy63kna8gr347nq04340-readline-7.0.3          67.5     
1.3   0.2%
/gnu/store/vgmln3b639r68vvy75xhcbi7d2w31mx1-pkg-config-0.29.2       61.7     
1.3   0.2%
/gnu/store/c4jrwbv7qckvnqa7f3h7bd1hh8rbg72y-libgc-7.6.0             62.2     
1.2   0.2%
/gnu/store/pj8xqlnkwgjia87jy6i8slglip9k8x6a-xz-5.2.3                62.6     
1.2   0.2%
/gnu/store/mm0zclrzj3y7rj74hzyd0f224xly04fh-bash-minimal-4.4.12     31.3     
1.0   0.1%
/gnu/store/p2iv444q6mpqsfaqwmzzhfcsxd81bqz5-gdbm-1.13               61.0     
0.6   0.1%
/gnu/store/zksh1n0p9x903kqbvswgwy2vsk2b7255-libatomic-ops-7.4.8      0.6     
0.6   0.1%
/gnu/store/ksyja5lbwy0mpskvn4rfi5klc00c092d-libidn2-2.0.4           65.5     
0.5   0.1%
/gnu/store/i6qikcw1ilhsw4nngv8y2sz1z1z8my2d-acl-2.2.52              61.1     
0.4   0.1%
/gnu/store/2fg01r58vv9w41kw6drl1wnvqg7rkv9d-libtasn1-4.12           60.8     
0.4   0.1%
/gnu/store/08ajhq8c53k26rc8jhq904ply8j90ggw-zlib-1.2.11             30.7     
0.4   0.1%
/gnu/store/8hxm8am4ll05sa8wlwgdq2lj4ddag464-zlib-1.2.11             60.8     
0.4   0.1%
/gnu/store/8cg3lnnkmrbw5fj96pcgj23fmb5blxyi-attr-2.4.47             60.6     
0.2   0.0%
/gnu/store/0jawbsyafm93nxf4rcmkf1rsk7z03qfa-libltdl-2.4.6           60.5     
0.2   0.0%
/gnu/store/9n8rg8kaggy6vwv2gc7ckprr7x9w8v7i-libcap-2.25             60.5     
0.2   0.0%
/gnu/store/l15mx9lrwdflyvmb4a05va05v5yqizg5-libffi-3.2.1            60.5     
0.1   0.0%
/gnu/store/iwmvm96lgd2bp0lrk2i8kz5714d90wz3-libaio-0.3.110           0.1     
0.1   0.0%
total: 695.8 MiB

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0001-gnu-mailutils-configure-with-mysql.patch
Description: Text document