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Diffstat (limited to 'gnulib-m4/fchdir.m4')
-rw-r--r-- | gnulib-m4/fchdir.m4 | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/gnulib-m4/fchdir.m4 b/gnulib-m4/fchdir.m4 deleted file mode 100644 index 7eb12c2e..00000000 --- a/gnulib-m4/fchdir.m4 +++ /dev/null @@ -1,77 +0,0 @@ -# fchdir.m4 -# serial 32 -dnl Copyright (C) 2006-2024 Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -AC_DEFUN([gl_FUNC_FCHDIR], -[ - AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) - AC_REQUIRE([gl_DIRENT_H_DEFAULTS]) - AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles - - AC_CHECK_DECLS_ONCE([fchdir]) - if test $ac_cv_have_decl_fchdir = no; then - HAVE_DECL_FCHDIR=0 - fi - - AC_REQUIRE([gl_TEST_FCHDIR]) - if test $HAVE_FCHDIR = 1; then - AC_REQUIRE([gl_DIRENT_DIR]) - if test $DIR_HAS_FD_MEMBER = 0; then - dnl fchdir() should be replaced if dirfd() does not work. - REPLACE_FCHDIR=1 - fi - fi - - if test $HAVE_FCHDIR = 0 || test $REPLACE_FCHDIR = 1; then - AC_DEFINE([REPLACE_FCHDIR], [1], - [Define to 1 if gnulib's fchdir() replacement is used.]) - dnl We must also replace anything that can manipulate a directory fd, - dnl to keep our bookkeeping up-to-date. We don't have to replace - dnl fstatat, since no platform has fstatat but lacks fchdir. - AC_CACHE_CHECK([whether open can visit directories], - [gl_cv_func_open_directory_works], - [AC_RUN_IFELSE( - [AC_LANG_PROGRAM( - [[#include <fcntl.h> - ]GL_MDA_DEFINES], - [[return open(".", O_RDONLY) < 0;]])], - [gl_cv_func_open_directory_works=yes], - [gl_cv_func_open_directory_works=no], - [case "$host_os" in - # Guess yes on Linux systems. - linux-* | linux) gl_cv_func_open_directory_works="guessing yes" ;; - # Guess yes on systems that emulate the Linux system calls. - midipix*) gl_cv_func_open_directory_works="guessing yes" ;; - # Guess yes on glibc systems. - *-gnu* | gnu*) gl_cv_func_open_directory_works="guessing yes" ;; - # Guess no on native Windows. - mingw* | windows*) gl_cv_func_open_directory_works="guessing no" ;; - # If we don't know, obey --enable-cross-guesses. - *) gl_cv_func_open_directory_works="$gl_cross_guess_normal" ;; - esac - ])]) - case "$gl_cv_func_open_directory_works" in - *yes) ;; - *) - AC_DEFINE([REPLACE_OPEN_DIRECTORY], [1], [Define to 1 if open() should -work around the inability to open a directory.]) - ;; - esac - fi -]) - -# Determine whether to use the overrides in lib/fchdir.c. -AC_DEFUN([gl_TEST_FCHDIR], -[ - AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) - AC_CHECK_FUNCS_ONCE([fchdir]) - if test $ac_cv_func_fchdir = no; then - HAVE_FCHDIR=0 - fi -]) - -# Prerequisites of lib/fchdir.c. -AC_DEFUN([gl_PREREQ_FCHDIR], [:]) |