diff options
Diffstat (limited to 'm4/lstat.m4')
| -rw-r--r-- | m4/lstat.m4 | 50 |
1 files changed, 26 insertions, 24 deletions
diff --git a/m4/lstat.m4 b/m4/lstat.m4 index adf752c0d..c5e72b81e 100644 --- a/m4/lstat.m4 +++ b/m4/lstat.m4 @@ -1,6 +1,6 @@ -# serial 27 +# serial 26 -# Copyright (C) 1997-2001, 2003-2015 Free Software Foundation, Inc. +# Copyright (C) 1997-2001, 2003-2014 Free Software Foundation, Inc. # # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, @@ -37,28 +37,30 @@ AC_DEFUN([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK], [gl_cv_func_lstat_dereferences_slashed_symlink], [rm -f conftest.sym conftest.file echo >conftest.file - AC_RUN_IFELSE( - [AC_LANG_PROGRAM( - [AC_INCLUDES_DEFAULT], - [[struct stat sbuf; - if (symlink ("conftest.file", "conftest.sym") != 0) - return 1; - /* Linux will dereference the symlink and fail, as required by - POSIX. That is better in the sense that it means we will not - have to compile and use the lstat wrapper. */ - return lstat ("conftest.sym/", &sbuf) == 0; - ]])], - [gl_cv_func_lstat_dereferences_slashed_symlink=yes], - [gl_cv_func_lstat_dereferences_slashed_symlink=no], - [case "$host_os" in - *-gnu*) - # Guess yes on glibc systems. - gl_cv_func_lstat_dereferences_slashed_symlink="guessing yes" ;; - *) - # If we don't know, assume the worst. - gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" ;; - esac - ]) + if test "$as_ln_s" = "ln -s" && ln -s conftest.file conftest.sym; then + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [AC_INCLUDES_DEFAULT], + [[struct stat sbuf; + /* Linux will dereference the symlink and fail, as required by + POSIX. That is better in the sense that it means we will not + have to compile and use the lstat wrapper. */ + return lstat ("conftest.sym/", &sbuf) == 0; + ]])], + [gl_cv_func_lstat_dereferences_slashed_symlink=yes], + [gl_cv_func_lstat_dereferences_slashed_symlink=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_lstat_dereferences_slashed_symlink="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" ;; + esac + ]) + else + # If the 'ln -s' command failed, then we probably don't even + # have an lstat function. + gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" + fi rm -f conftest.sym conftest.file ]) case "$gl_cv_func_lstat_dereferences_slashed_symlink" in |