Add configure checks for faccessat/eacess

config.h.in

@@ -112,12 +112,18 @@
 /* Define to 1 if you have the <dlfcn.h> header file. */
 #undef HAVE_DLFCN_H
 
+/* Define to 1 if you have the `eaccess' function. */
+#undef HAVE_EACCESS
+
 /* Define to 1 if you have the <errno.h> header file. */
 #undef HAVE_ERRNO_H
 
 /* Define to 1 if function EVP_MD_CTX_cleanup exists. */
 #undef HAVE_EVP_MD_CTX_CLEANUP
 
+/* Define to 1 if you have the `faccessat' function. */
+#undef HAVE_FACCESSAT
+
 /* Define to 1 if you have the `fdatasync' function. */
 #undef HAVE_FDATASYNC
 

configure

@@ -19510,6 +19510,8 @@ for ac_func in \
    cfmakeraw \
    setresuid \
    get_current_dir_name \
+   faccessat \
+   eaccess \
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`

configure.ac

@@ -201,6 +201,8 @@ AC_CHECK_FUNCS( \
    cfmakeraw \
    setresuid \
    get_current_dir_name \
+   faccessat \
+   eaccess \
 )
 
 AC_CHECK_DECLS([hstrerror, strsignal, sys_siglist])

src/slurmd/slurmstepd/task.c

@@ -539,11 +539,9 @@ _make_tmpdir(stepd_step_rec_t *job)
 		 * still work with older systems we include this check.
 		 */
 
-#if defined(__FreeBSD__)
-#define	__GLIBC__ 		(1)
-#define __GLIBC_PREREQ(a,b)	(1)
-#endif
-#if defined __GLIBC__ && __GLIBC_PREREQ(2, 4)
+#if defined(HAVE_FACCESSAT)
+		else if (faccessat(AT_FDCWD, tmpdir, X_OK|W_OK, AT_EACCESS))
+#elif defined(HAVE_EACCESS)
 		else if (eaccess(tmpdir, X_OK|W_OK)) /* check permissions */
 #else
 		else if (euidaccess(tmpdir, X_OK|W_OK))