https://bugs.gentoo.org/564168
https://bugs.gentoo.org/909041

Never build libintl since it's in dev-libs/libintl now.

We can drop this if/when upstream fixes the configure flag handling:
https://savannah.gnu.org/bugs/?48233

--- a/gettext-runtime/configure
+++ b/gettext-runtime/configure
@@ -22765,9 +22765,7 @@
 
                                         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 "$PACKAGE" != gettext-tools \
-                && test "$PACKAGE" != libintl; }; then
+                }; then
           gt_use_preinstalled_gnugettext=yes
         else
                     LIBINTL=
--- a/gettext-tools/configure
+++ b/gettext-tools/configure
@@ -26129,9 +26129,7 @@
 
                                         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 "$PACKAGE" != gettext-tools \
-                && test "$PACKAGE" != libintl; }; then
+                }; then
           gt_use_preinstalled_gnugettext=yes
         else
                     LIBINTL=