HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| ae0d7250 PE |
1 | # serial 6 |
| 2 | ||
| 3 | # Copyright (C) 2009-2011 Free Software Foundation, Inc. | |
| 4 | # | |
| 5 | # This file is free software; the Free Software Foundation | |
| 6 | # gives unlimited permission to copy and/or distribute it, | |
| 7 | # with or without modifications, as long as this notice is preserved. | |
| 8 | ||
| 9 | AC_DEFUN([gl_FUNC_STAT], | |
| 10 | [ | |
| 11 | AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles | |
| 12 | AC_REQUIRE([gl_AC_DOS]) | |
| 13 | AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) | |
| 14 | AC_CHECK_FUNCS_ONCE([lstat]) | |
| 15 | dnl mingw is the only known platform where stat(".") and stat("./") differ | |
| 16 | AC_CACHE_CHECK([whether stat handles trailing slashes on directories], | |
| 17 | [gl_cv_func_stat_dir_slash], | |
| 18 | [AC_RUN_IFELSE( | |
| 19 | [AC_LANG_PROGRAM( | |
| 20 | [[#include <sys/stat.h> | |
| 21 | ]], [[struct stat st; return stat (".", &st) != stat ("./", &st);]])], | |
| 22 | [gl_cv_func_stat_dir_slash=yes], [gl_cv_func_stat_dir_slash=no], | |
| 23 | [case $host_os in | |
| 24 | mingw*) gl_cv_func_stat_dir_slash="guessing no";; | |
| 25 | *) gl_cv_func_stat_dir_slash="guessing yes";; | |
| 26 | esac])]) | |
| 27 | dnl AIX 7.1, Solaris 9 mistakenly succeed on stat("file/") | |
| 28 | dnl FreeBSD 7.2 mistakenly succeeds on stat("link-to-file/") | |
| 29 | AC_CACHE_CHECK([whether stat handles trailing slashes on files], | |
| 30 | [gl_cv_func_stat_file_slash], | |
| 31 | [touch conftest.tmp | |
| 32 | # Assume that if we have lstat, we can also check symlinks. | |
| 33 | if test $ac_cv_func_lstat = yes; then | |
| 34 | ln -s conftest.tmp conftest.lnk | |
| 35 | fi | |
| 36 | AC_RUN_IFELSE( | |
| 37 | [AC_LANG_PROGRAM( | |
| 38 | [[#include <sys/stat.h> | |
| 39 | ]], [[int result = 0; | |
| 40 | struct stat st; | |
| 41 | if (!stat ("conftest.tmp/", &st)) | |
| 42 | result |= 1; | |
| 43 | #if HAVE_LSTAT | |
| 44 | if (!stat ("conftest.lnk/", &st)) | |
| 45 | result |= 2; | |
| 46 | #endif | |
| 47 | return result; | |
| 48 | ]])], | |
| 49 | [gl_cv_func_stat_file_slash=yes], [gl_cv_func_stat_file_slash=no], | |
| 50 | [gl_cv_func_stat_file_slash="guessing no"]) | |
| 51 | rm -f conftest.tmp conftest.lnk]) | |
| 52 | case $gl_cv_func_stat_dir_slash in | |
| 53 | *no) REPLACE_STAT=1 | |
| 54 | AC_DEFINE([REPLACE_FUNC_STAT_DIR], [1], [Define to 1 if stat needs | |
| 55 | help when passed a directory name with a trailing slash]);; | |
| 56 | esac | |
| 57 | case $gl_cv_func_stat_file_slash in | |
| 58 | *no) REPLACE_STAT=1 | |
| 59 | AC_DEFINE([REPLACE_FUNC_STAT_FILE], [1], [Define to 1 if stat needs | |
| 60 | help when passed a file name with a trailing slash]);; | |
| 61 | esac | |
| 62 | if test $REPLACE_STAT = 1; then | |
| 63 | AC_LIBOBJ([stat]) | |
| 64 | dnl Prerequisites of lib/stat.c. | |
| 65 | AC_REQUIRE([AC_C_INLINE]) | |
| 66 | fi | |
| 67 | ]) |