diff options
author | Andy Wingo <wingo@pobox.com> | 2016-07-07 14:05:53 +0200 |
---|---|---|
committer | Andy Wingo <wingo@pobox.com> | 2016-07-07 14:05:53 +0200 |
commit | d484bfbacec75941ba643ddc600e995f2c160928 (patch) | |
tree | 1c5fb055cad874ed5cda45e000ecc57033cbd322 /m4/lstat.m4 | |
parent | 0d191d13948c722dfe13cceca34a07df63669d6d (diff) | |
download | guile-d484bfbacec75941ba643ddc600e995f2c160928.tar.gz |
Update Gnulib to 68b6ade.
Also add --conditional-dependencies to the flags. See:
https://lists.gnu.org/archive/html/guile-devel/2016-07/msg00012.html
Diffstat (limited to 'm4/lstat.m4')
-rw-r--r-- | m4/lstat.m4 | 50 |
1 files changed, 24 insertions, 26 deletions
diff --git a/m4/lstat.m4 b/m4/lstat.m4 index c5e72b81e..e143d5c8b 100644 --- a/m4/lstat.m4 +++ b/m4/lstat.m4 @@ -1,6 +1,6 @@ -# serial 26 +# serial 27 -# Copyright (C) 1997-2001, 2003-2014 Free Software Foundation, Inc. +# Copyright (C) 1997-2001, 2003-2016 Free Software Foundation, Inc. # # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, @@ -37,30 +37,28 @@ AC_DEFUN([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK], [gl_cv_func_lstat_dereferences_slashed_symlink], [rm -f conftest.sym conftest.file echo >conftest.file - 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 + 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 "$host_os" in + *-gnu*) + # Guess yes on glibc systems. + gl_cv_func_lstat_dereferences_slashed_symlink="guessing yes" ;; + *) + # If we don't know, assume the worst. + gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" ;; + esac + ]) rm -f conftest.sym conftest.file ]) case "$gl_cv_func_lstat_dereferences_slashed_symlink" in |