diff options
Diffstat (limited to 'm4/faccessat.m4')
| -rw-r--r-- | m4/faccessat.m4 | 33 |
1 files changed, 3 insertions, 30 deletions
diff --git a/m4/faccessat.m4 b/m4/faccessat.m4 index 56d1d3e045f..9d6b3635117 100644 --- a/m4/faccessat.m4 +++ b/m4/faccessat.m4 @@ -1,4 +1,4 @@ -# serial 9 +# serial 10 # See if we need to provide faccessat replacement. dnl Copyright (C) 2009-2021 Free Software Foundation, Inc. @@ -8,31 +8,6 @@ dnl with or without modifications, as long as this notice is preserved. # Written by Eric Blake. -AC_DEFUN([gl_FUNC_FACCESSAT_EOVERFLOW], -[ - AC_CHECK_FUNCS_ONCE([faccessat]) - if test "$ac_cv_func_faccessat" = yes; then - AC_CACHE_CHECK([whether faccessat works when stat would EOVERFLOW], - [gl_cv_func_faccessat_never_eoverflows], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM([], - [[#ifdef __linux__ - #include <linux/version.h> - #if (! (KERNEL_VERSION (5, 8, 0) <= LINUX_VERSION_CODE \ - && 2 < (__GLIBC__ + (33 <= __GLIBC_MINOR__)))) - #error "faccessat might fail with EOVERFLOW" - #endif - #endif - ]])], - [gl_cv_func_faccessat_never_eoverflows=yes], - [gl_cv_func_faccessat_never_eoverflows=no])]) - if test "$gl_cv_func_faccessat_never_eoverflows" = yes; then - AC_DEFINE([FACCESSAT_NEVER_EOVERFLOWS], 1, - [Define to 1 if faccessat is EOVERFLOW-free.]) - fi - fi -]) - AC_DEFUN([gl_FUNC_FACCESSAT], [ AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) @@ -41,14 +16,12 @@ AC_DEFUN([gl_FUNC_FACCESSAT], dnl Persuade glibc <unistd.h> to declare faccessat(). AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) - AC_REQUIRE([gl_FUNC_FACCESSAT_EOVERFLOW]) - AC_CHECK_FUNCS_ONCE([faccessat]) if test $ac_cv_func_faccessat = no; then HAVE_FACCESSAT=0 else - case $gl_cv_func_lstat_dereferences_slashed_symlink,$gl_cv_func_faccessat_never_eoverflows in - *yes,*yes) ;; + case $gl_cv_func_lstat_dereferences_slashed_symlink in + *yes) ;; *) REPLACE_FACCESSAT=1 ;; esac fi |