[bug-gettext] [bug #48233] libintl still built even when passed --without-included-gettext

[Mike Frysinger]

URL:
  <http://savannah.gnu.org/bugs/?48233>

                 Summary: libintl still built even when passed
--without-included-gettext
                 Project: GNU gettext
            Submitted by: vapier
            Submitted on: Wed 15 Jun 2016 03:58:10 PM GMT
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

when building gettext on a system that has libintl (whether from gettext or
elsewhere), passing the --without-included-gettext option is ignored.  this
makes it a pain to build just the tools, or to maintain libintl as a sep
package from gettext.

the problematic snippet is centered here:
http://git.savannah.gnu.org/cgit/gettext.git/tree/gettext-runtime/m4/gettext.m4?id=v0.19.8#n253
        dnl If an already present or preinstalled GNU gettext() is found,
        dnl use it.  But if this macro is used in GNU gettext, and GNU
        dnl gettext is already preinstalled in libintl, we update this
        dnl libintl.  (Cf. the install rule in intl/Makefile.in.)
        if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" = "yes";
} \
           || { { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val"
= "yes"; } \
                && test "$PACKAGE" != gettext-runtime \
                && test "$PACKAGE" != gettext-tools; }; then
          gt_use_preinstalled_gnugettext=yes
        else
          ...
        fi

    ifelse(gt_included_intl, yes, [
        if test "$gt_use_preinstalled_gnugettext" != "yes"; then
          dnl GNU gettext is not found in the C library.
          dnl Fall back on included GNU gettext library.
          nls_cv_use_gnu_gettext=yes
        fi
      fi

      if test "$nls_cv_use_gnu_gettext" = "yes"; then
        dnl Mark actions used to generate GNU NLS library.
        BUILD_INCLUDED_LIBINTL=yes
        USE_INCLUDED_LIBINTL=yes

since libintl is part of gettext-runtime, gt_use_preinstalled_gnugettext is
set, which cascades into setting BUILD_INCLUDED_LIBINTL all the time, which
cascades into installing it.

if we back up a bit to where the configure flag is checked:
http://git.savannah.gnu.org/cgit/gettext.git/tree/gettext-runtime/m4/gettext.m4?id=v0.19.8#n125
    gt_use_preinstalled_gnugettext=no
    ifelse(gt_included_intl, yes, [
      AC_MSG_CHECKING([whether included gettext is requested])
      AC_ARG_WITH([included-gettext],
        [  --with-included-gettext use the GNU gettext library included
here],
        nls_cv_force_use_gnu_gettext=$withval,
        nls_cv_force_use_gnu_gettext=no)
      AC_MSG_RESULT([$nls_cv_force_use_gnu_gettext])

      nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
      if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
    ])

perhaps the right answer is to change the 4th arg to AC_ARG_WITH to:
  nls_cv_force_use_gnu_gettext=auto

and then change the if test below to:
      if test "$nls_cv_force_use_gnu_gettext" = "auto"; then




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