mkvtoolnix/ac/translations.m4

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dnl
dnl Which translations should be installed?
dnl
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AC_ARG_WITH([gettext], AC_HELP_STRING([--without-gettext], [do not build with gettext support]),
[ with_gettext=${withval} ], [ with_gettext=yes ])
if test "x$with_gettext" != "xno"; then
AC_CHECK_FUNCS(gettext, gettext_found=yes, gettext_found=no)
if test x"$gettext_found" != xyes ; then
AC_CHECK_LIB(intl, gettext,
[ LIBINTL_LIBS="-lintl";
gettext_found=yes ],
[ gettext_found=no ],
[ -liconv ])
fi
AC_PATH_PROG(MSGFMT, msgfmt,, $PATH)
if test -z "$MSGFMT"; then
gettext_found=no
fi
fi
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if test x"$gettext_found" = xyes ; then
AC_CHECK_HEADERS(libintl.h, libintl_h_found=yes, libintl_h_found=no)
if test x"$libintl_h_found" = xyes ; then
AC_MSG_CHECKING(the translations to install)
if test x"$LINGUAS" = x ; then
TRANSLATIONS_POS="`echo po/*.po`"
else
for i in $LINGUAS; do
if test -f "po/$i.po" ; then
TRANSLATIONS_POS="$TRANSLATIONS_POS po/$i.po"
fi
done
fi
TRANSLATIONS="`echo "$TRANSLATIONS_POS" | \
sed -e 's/po\///g' -e 's/\.po//g'`"
AC_MSG_RESULT($TRANSLATIONS)
fi
opt_features_yes="$opt_features_yes\n * translations (gettext)"
else
opt_features_no="$opt_features_no\n * translations (gettext)"
fi
AC_SUBST(LIBINTL_LIBS)
AC_SUBST(TRANSLATIONS)