-# utime_h.m4 serial 1
+# utime_h.m4 serial 3
dnl Copyright (C) 2017-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
[
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([gl_UTIME_H_DEFAULTS])
+ m4_ifdef([gl_ANSI_CXX], [AC_REQUIRE([gl_ANSI_CXX])])
AC_CHECK_HEADERS_ONCE([utime.h])
gl_CHECK_NEXT_HEADERS([utime.h])
fi
AC_SUBST([HAVE_UTIME_H])
- UTIME_H=''
- if test $ac_cv_header_utime_h != yes; then
- dnl Provide a substitute <utime.h> file.
- UTIME_H=utime.h
- else
- case "$host_os" in
- mingw*) dnl Need special handling of 'struct utimbuf'.
- UTIME_H=utime.h
- ;;
- esac
- fi
+ m4_ifdef([gl_POSIXCHECK],
+ [UTIME_H=utime.h],
+ [UTIME_H=''
+ if m4_ifdef([gl_ANSI_CXX], [test "$CXX" != no], [false]); then
+ dnl Override <utime.h> always, to support the C++ GNULIB_NAMESPACE.
+ UTIME_H=utime.h
+ else
+ if test $ac_cv_header_utime_h != yes; then
+ dnl Provide a substitute <utime.h> file.
+ UTIME_H=utime.h
+ else
+ case "$host_os" in
+ mingw*) dnl Need special handling of 'struct utimbuf'.
+ UTIME_H=utime.h
+ ;;
+ esac
+ fi
+ fi
+ ])
AC_SUBST([UTIME_H])
AM_CONDITIONAL([GL_GENERATE_UTIME_H], [test -n "$UTIME_H"])