AC_DEFUN([gl_GLOB_SUBSTITUTE],
[
gl_PREREQ_GLOB
GLOB_H=glob.h
AC_LIBSOURCES([glob.c, glob_.h, glob-libc.h])
AC_LIBOBJ([glob])
AC_SUBST([GLOB_H])
])
AC_DEFUN([gl_GLOB],
[ GLOB_H=
AC_CHECK_HEADERS([glob.h], [], [GLOB_H=glob.h])
if test -z "$GLOB_H"; then
AC_CACHE_CHECK([for GNU glob interface version 1],
[gl_cv_gnu_glob_interface_version_1],
[ AC_COMPILE_IFELSE(
[[char a[_GNU_GLOB_INTERFACE_VERSION == 1 ? 1 : -1];]],
[gl_cv_gnu_glob_interface_version_1=yes],
[gl_cv_gnu_glob_interface_version_1=no])])
if test "$gl_cv_gnu_glob_interface_version_1" = "no"; then
GLOB_H=glob.h
fi
fi
if test -z "$GLOB_H"; then
AC_CACHE_CHECK([whether glob lists broken symlinks],
[gl_cv_glob_lists_symlinks],
[ if ln -s conf-doesntexist conf$$-globtest 2>/dev/null; then
gl_cv_glob_lists_symlinks=maybe
else
gl_cv_glob_lists_symlinks=no
fi
if test $gl_cv_glob_lists_symlinks = maybe; then
AC_RUN_IFELSE(
AC_LANG_PROGRAM(
[[[[glob_t found;
if (glob ("conf*-globtest", 0, NULL, &found) == GLOB_NOMATCH) return 1;]]),
[gl_cv_glob_lists_symlinks=yes],
[gl_cv_glob_lists_symlinks=no], [gl_cv_glob_lists_symlinks=no])
fi])
if test $gl_cv_glob_lists_symlinks = no; then
GLOB_H=glob.h
fi
fi
rm -f conf$$-globtest
if test -n "$GLOB_H"; then
gl_GLOB_SUBSTITUTE
fi
])
AC_DEFUN([gl_PREREQ_GLOB],
[ AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE]) AC_REQUIRE([AC_GNU_SOURCE]) AC_REQUIRE([AC_HEADER_DIRENT]) AC_CHECK_HEADERS_ONCE([sys/cdefs.h unistd.h]) AC_CHECK_FUNCS_ONCE([getlogin_r getpwnam_r]) :])