1.RPM build warnings:
    line 153: Possible unexpanded macro in: Requires: emacs(bin) >= %{_emacs_version}
2.logs:
./libgettextpo/textstyle.h:144:3: warning: use of possibly-NULL 'string_3(D)' where non-null expected [CWE-690] [-Wanalyzer-possible-null-argument]
  144 |   ostream_write_mem (stream, string, strlen (string));
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  'msgdomain_list_print_stringtable': events 1-2
    |
    |write-stringtable.c:312:1:
    |  312 | msgdomain_list_print_stringtable (msgdomain_list_ty *mdlp, ostream_t stream,
    |      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    |      | |
    |      | (1) entry to 'msgdomain_list_print_stringtable'
    |......
    |  321 |   write_stringtable (stream, mlp, mdlp->encoding, page_width, debug);
    |      |   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    |      |   |
    |      |   (2) calling 'write_stringtable' from 'msgdomain_list_print_stringtable'
    |
    +--> 'write_stringtable': events 3-10
           |
           |  279 | write_stringtable (ostream_t stream, message_list_ty *mlp,
           |      | ^~~~~~~~~~~~~~~~~
           |      | |
           |      | (3) entry to 'write_stringtable'
           |......
           |  294 |   for (j = 0; j < mlp->nitems; ++j)
           |      |               ~~~~~~~~~~~~~~~
           |      |                 |
           |      |                 (4) following 'true' branch...
           |  295 |     {
           |  296 |       const message_ty *mp = mlp->item[j];
           |      |       ~~~~~
           |      |       |
           |      |       (5) ...to here
           |  297 | 
           |  298 |       if (mp->msgid_plural == NULL)
           |      |          ~
           |      |          |
           |      |          (6) following 'true' branch...
           |  299 |         {
           |  300 |           if (blank_line)
           |      |           ~~ ~
           |      |           |  |
           |      |           |  (8) following 'false' branch (when 'blank_line_10 == 0')...
           |      |           (7) ...to here
           |......
           |  303 |           write_message (stream, mp, page_width, debug);
           |      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
           |      |           |
           |      |           (9) ...to here
           |      |           (10) calling 'write_message' from 'write_stringtable'
           |
           +--> 'write_message': events 11-12
                  |
                  |   97 | write_message (ostream_t stream, const message_ty *mp,
                  |      | ^~~~~~~~~~~~~
                  |      | |
                  |      | (11) entry to 'write_message'
                  |......
                  |  191 |   if (mp->filepos_count != 0)
                  |      |      ~
                  |      |      |
                  |      |      (12) following 'true' branch...
                  |
                'write_message': event 13
                  |
                  |cc1:
                  | (13): ...to here
                  |
                'write_message': events 14-17
                  |
                  |  195 |       for (j = 0; j < mp->filepos_count; ++j)
                  |      |                   ~~^~~~~~~~~~~~~~~~~~~
                  |      |                     |
                  |      |                     (14) following 'true' branch...
                  |  196 |         {
                  |  197 |           lex_pos_ty *pp = &mp->filepos[j];
                  |      |           ~~~~~~~~~~ 
                  |      |           |
                  |      |           (15) ...to here
                  |......
                  |  203 |           str = xasprintf ("/* File: %s:%ld */\n", cp, (long) pp->line_number);
                  |      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                  |      |                 |
                  |      |                 (16) this call could return NULL
                  |  204 |           ostream_write_str (stream, str);
                  |      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                  |      |           |
                  |      |           (17) calling 'ostream_write_str' from 'write_message'
                  |
                  +--> 'ostream_write_str': events 18-19
                         |
                         |../libgettextpo/textstyle.h:142:1:
                         |  142 | ostream_write_str (ostream_t stream, const char *string)
                         |      | ^~~~~~~~~~~~~~~~~
                         |      | |
                         |      | (18) entry to 'ostream_write_str'
                         |  143 | {
                         |  144 |   ostream_write_mem (stream, string, strlen (string));
                         |      |   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                         |      |   |
                         |      |   (19) argument 1 ('string_3(D)') from (16) could be NULL where non-null expected
                         |
In file included from ../libgettextpo/string.h:31,
                 from ../gnulib-lib/string.h:41,
                 from ../libgettextpo/textstyle.h:44:
/usr/include/string.h:407:15: note: argument 1 of 'strlen' must be non-null
  407 | extern size_t strlen (const char *__s)
      |               ^~~~~~
make[5]: Entering directory '/builddir/build/BUILD/gettext-0.22/gettext-tools/src'
/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DLOCALEDIR=\"/usr/share/locale\" -DBISON_LOCALEDIR=\"/usr/share/locale\" -DLOCALE_ALIAS_PATH=\"/usr/share/locale\" -DUSEJAVA=0 -DGETTEXTJAR=\"/usr/share/gettext/gettext.jar\" -DLIBDIR=\"/usr/lib64\" -DGETTEXTDATADIR=\"/usr/share/gettext\" -DPROJECTSDIR=\"/usr/share/gettext/projects\" -DEXEEXT=\"\" -DHAVE_CONFIG_H -I. -I..  -I. -I. -I.. -I.. -I../libgrep -I../gnulib-lib -I../gnulib-lib -I../../gettext-runtime/intl -I../../gettext-runtime/intl -I../libgettextpo -I../libgettextpo   -I/usr/include/libxml2 -fanalyzer -fstrict-flex-arrays -Wall -Warith-conversion -Wcast-align=strict -Wdate-time -Wdisabled-optimization -Wdouble-promotion -Wduplicated-branches -Wduplicated-cond -Wextra -Wformat-signedness -Winit-self -Winvalid-pch -Wlogical-op -Wmissing-include-dirs -Wnested-externs -Wnull-dereference -Wopenmp-simd -Woverlength-strings -Wpacked -Wpointer-arith -Wstack-protector -Wstrict-flex-arrays -Wstrict-overflow -Wsuggest-attribute=format -Wsuggest-final-methods -Wsuggest-final-types -Wsync-nand -Wsystem-headers -Wtrampolines -Wuninitialized -Wunknown-pragmas -Wunsafe-loop-optimizations -Wvariadic-macros -Wvector-operation-performance -Wwrite-strings -Warray-bounds=2 -Wattribute-alias=2 -Wbidi-chars=any,ucn -Wformat-overflow=2 -Wformat=2 -Wformat-truncation=2 -Wimplicit-fallthrough=5 -Wshift-overflow=2 -Wuse-after-free=3 -Wunused-const-variable=2 -Wvla-larger-than=4031 -Wno-analyzer-malloc-leak -Wno-empty-body -Wno-analyzer-double-fclose -Wno-analyzer-double-free -Wno-analyzer-fd-double-close -Wno-analyzer-null-argument -Wno-analyzer-null-dereference -Wno-analyzer-use-of-uninitialized-value -Wno-cast-align -Wno-format-nonliteral -Wno-sign-compare -Wno-type-limits -Wno-unused-parameter -Wno-clobbered -Wshadow=local -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64   -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer  -c -o libgettextsrc_la-write-po.lo `test -f 'write-po.c' || echo './'`write-po.c

Reproducible: Always

Steps to Reproduce:
1.clone gettext
2.mockbuild
3.