-# serial 1
+# serial 6
-# Copyright (C) 2009 Free Software Foundation, Inc.
+# Copyright (C) 2009-2011 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_REQUIRE([gl_AC_DOS])
AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
+ AC_CHECK_FUNCS_ONCE([lstat])
dnl mingw is the only known platform where stat(".") and stat("./") differ
- AC_CACHE_CHECK([whether stat handles trailing slashes],
- [gl_cv_func_stat_works],
+ AC_CACHE_CHECK([whether stat handles trailing slashes on directories],
+ [gl_cv_func_stat_dir_slash],
[AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[[#include <sys/stat.h>
]], [[struct stat st; return stat (".", &st) != stat ("./", &st);]])],
- [gl_cv_func_stat_works=yes], [gl_cv_func_stat_works=no],
+ [gl_cv_func_stat_dir_slash=yes], [gl_cv_func_stat_dir_slash=no],
[case $host_os in
- mingw*) gl_cv_func_stat_works="guessing no";;
- *) gl_cv_func_stat_works="guessing yes";;
+ mingw*) gl_cv_func_stat_dir_slash="guessing no";;
+ *) gl_cv_func_stat_dir_slash="guessing yes";;
esac])])
- case $gl_cv_func_stat_works in
- *yes) ;;
- *) REPLACE_STAT=1
- AC_LIBOBJ([stat]);;
+ dnl AIX 7.1, Solaris 9 mistakenly succeed on stat("file/")
+ dnl FreeBSD 7.2 mistakenly succeeds on stat("link-to-file/")
+ AC_CACHE_CHECK([whether stat handles trailing slashes on files],
+ [gl_cv_func_stat_file_slash],
+ [touch conftest.tmp
+ # Assume that if we have lstat, we can also check symlinks.
+ if test $ac_cv_func_lstat = yes; then
+ ln -s conftest.tmp conftest.lnk
+ fi
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <sys/stat.h>
+]], [[int result = 0;
+ struct stat st;
+ if (!stat ("conftest.tmp/", &st))
+ result |= 1;
+#if HAVE_LSTAT
+ if (!stat ("conftest.lnk/", &st))
+ result |= 2;
+#endif
+ return result;
+ ]])],
+ [gl_cv_func_stat_file_slash=yes], [gl_cv_func_stat_file_slash=no],
+ [gl_cv_func_stat_file_slash="guessing no"])
+ rm -f conftest.tmp conftest.lnk])
+ case $gl_cv_func_stat_dir_slash in
+ *no) REPLACE_STAT=1
+ AC_DEFINE([REPLACE_FUNC_STAT_DIR], [1], [Define to 1 if stat needs
+ help when passed a directory name with a trailing slash]);;
+ esac
+ case $gl_cv_func_stat_file_slash in
+ *no) REPLACE_STAT=1
+ AC_DEFINE([REPLACE_FUNC_STAT_FILE], [1], [Define to 1 if stat needs
+ help when passed a file name with a trailing slash]);;
esac
+ if test $REPLACE_STAT = 1; then
+ AC_LIBOBJ([stat])
+ dnl Prerequisites of lib/stat.c.
+ AC_REQUIRE([AC_C_INLINE])
+ fi
])