strerror-override: avoid bloating errno module * modules/errno (Files, configure.ac): Move replacement strings... * modules/strerror-override: ...to new module. * modules/strerror (Depends-on): Add strerror-override. * modules/strerror_r-posix (Depends-on): Likewise. * MODULES.html.sh: Document new module. Reported by Bruno Haible. Signed-off-by: Eric Blake <eblake@redhat.com>

#!/bin/sh

# Test whether a specific GB18030 locale is installed.
: ${LOCALE_ZH_CN=zh_CN.GB18030}
if test $LOCALE_ZH_CN = none; then
  if test -f /usr/bin/localedef; then
    echo "Skipping test: no chinese GB18030 locale is installed"
  else
    echo "Skipping test: no chinese GB18030 locale is supported"
  fi
  exit 77
fi

LC_ALL=$LOCALE_ZH_CN \
./test-mbsstr3${EXEEXT}