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AC_DEFUN([SUDO_CHECK_GETTEXT], [
# gettext() and friends may be located in libc (Linux and Solaris)
# or in libintl. However, it is possible to have libintl installed
# even when gettext() is present in libc. In the case of GNU libintl,
# gettext() will be defined to gettext_libintl in libintl.h.
# Since gcc prefers /usr/local/include to /usr/include, we need to
# make sure we use the gettext() that matches the include file.
if test "$enable_nls" != "no"; then
if test "$enable_nls" != "yes"; then
AX_APPEND_FLAG([-I${enable_nls}/include], [CPPFLAGS])
SUDO_APPEND_LIBPATH(LDFLAGS, [$enable_nls/lib])
fi
OLIBS="$LIBS"
for l in "libc" "-lintl" "-lintl -liconv"; do
if test "$l" = "libc"; then
# If user specified a dir for libintl ignore libc
if test "$enable_nls" != "yes"; then
continue
fi
gettext_name=sudo_cv_gettext
AC_MSG_CHECKING([for gettext])
else
LIBS="$OLIBS $l"
gettext_name=sudo_cv_gettext"`echo $l|sed -e 's/ //g' -e 's/-/_/g'`"
AC_MSG_CHECKING([for gettext in $l])
fi
AC_CACHE_VAL($gettext_name, [
AC_LINK_IFELSE(
[
AC_LANG_PROGRAM([[#include <libintl.h>]], [(void)gettext((char *)0);])
], [eval $gettext_name=yes], [eval $gettext_name=no]
)
])
eval gettext_result="\$$gettext_name"
AC_MSG_RESULT($gettext_result)
if test "$gettext_result" = "yes"; then
AC_CHECK_FUNCS([ngettext])
break
fi
done
LIBS="$OLIBS"
if test "$sudo_cv_gettext" = "yes"; then
SUDO_NLS=enabled
# For Solaris we need links from lang to lang.UTF-8 in localedir
case "$host_os" in
solaris2*) LOCALEDIR_SUFFIX=".UTF-8";;
esac
elif test "$sudo_cv_gettext_lintl" = "yes"; then
SUDO_NLS=enabled
LIBINTL="-lintl"
elif test "$sudo_cv_gettext_lintl_liconv" = "yes"; then
SUDO_NLS=enabled
LIBINTL="-lintl -liconv"
fi
if test X"$SUDO_NLS" = X"enabled"; then
AC_DEFINE(HAVE_LIBINTL_H)
SUDO_APPEND_COMPAT_EXP(sudo_warn_gettext_v1)
fi
fi
])
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