-}], [gl_cv_func_duplocale_works=yes], [gl_cv_func_duplocale_works=no],
- [dnl Guess it works except on glibc < 2.12.
- AC_EGREP_CPP([Unlucky GNU user], [
+}]])],
+ [gl_cv_func_duplocale_works=yes],
+ [gl_cv_func_duplocale_works=no],
+ [dnl Guess it works except on glibc < 2.12, uClibc, and AIX.
+ case "$host_os" in
+ aix*) gl_cv_func_duplocale_works="guessing no";;
+ *-gnu*)
+ AC_EGREP_CPP([Unlucky], [