--- /dev/null
+From 1e451ddc15af1a4e19318c8b1ced46c5c41610d3 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Wed, 14 Jul 2021 18:08:30 -0700
+Subject: [PATCH] correct signature of closefrom() API
+
+glibc 2.34 introduced this function and finds this error which has been
+all along.
+
+Upstream-Status: Pending
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ src/util/sys_compat.c | 6 +++---
+ src/util/sys_defs.h | 12 ++++++------
+ 2 files changed, 9 insertions(+), 9 deletions(-)
+
+--- a/src/util/sys_compat.c
++++ b/src/util/sys_compat.c
+@@ -286,7 +286,7 @@ int dup2_pass_on_exec(int oldd, int
+
+ /* closefrom() - closes all file descriptors from the given one up */
+
+-int closefrom(int lowfd)
++void closefrom(int lowfd)
+ {
+ int fd_limit = open_limit(0);
+ int fd;
+@@ -298,14 +298,14 @@ int closefrom(int lowfd)
+ */
+ if (lowfd < 0) {
+ errno = EBADF;
+- return (-1);
++ return;
+ }
+ if (fd_limit > 500)
+ fd_limit = 500;
+ for (fd = lowfd; fd < fd_limit; fd++)
+ (void) close(fd);
+
+- return (0);
++ return;
+ }
+
+ #endif
+--- a/src/util/sys_defs.h
++++ b/src/util/sys_defs.h
+@@ -1509,7 +1509,7 @@ extern int setsid(void);
+ #endif
+
+ #ifndef HAS_CLOSEFROM
+-extern int closefrom(int);
++extern void closefrom(int);
+
+ #endif
+
+@@ -1563,7 +1563,7 @@ typedef int pid_t;
+
+ /*
+ * Clang-style attribute tests.
+- *
++ *
+ * XXX Without the unconditional test below, gcc 4.6 will barf on ``elif
+ * defined(__clang__) && __has_attribute(__whatever__)'' with error message
+ * ``missing binary operator before token "("''.
+@@ -1577,7 +1577,7 @@ typedef int pid_t;
+ * warn for missing initializations and other trouble. However, OPENSTEP4
+ * gcc 2.7.x cannot handle this so we define this only if NORETURN isn't
+ * already defined above.
+- *
++ *
+ * Data point: gcc 2.7.2 has __attribute__ (Wietse Venema) but gcc 2.6.3 does
+ * not (Clive Jones). So we'll set the threshold at 2.7.
+ */
+@@ -1653,12 +1653,12 @@ typedef int pid_t;
+ * write to output parameters (for example, stat- or scanf-like functions)
+ * or from functions that have other useful side effects (for example,
+ * fseek- or rename-like functions).
+- *
++ *
+ * DO NOT use this for functions that write to a stream; it is entirely
+ * legitimate to detect write errors with fflush() or fclose() only. On the
+ * other hand most (but not all) functions that read from a stream must
+ * never ignore result values.
+- *
++ *
+ * XXX Prepending "(void)" won't shut up GCC. Clang behaves as expected.
+ */
+ #if ((__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || __GNUC__ > 3)
+@@ -1747,7 +1747,7 @@ typedef const char *CONST_CHAR_STAR;
+ * Safety. On some systems, ctype.h misbehaves with non-ASCII or negative
+ * characters. More importantly, Postfix uses the ISXXX() macros to ensure
+ * protocol compliance, so we have to rule out non-ASCII characters.
+- *
++ *
+ * XXX The (unsigned char) casts in isalnum() etc arguments are unnecessary
+ * because the ISASCII() guard already ensures that the values are
+ * non-negative; the casts are done anyway to shut up chatty compilers.