fortify-headers: fix inconsistent time_t version of ppoll

Bug:
fortify/poll.h includes poll.h, which redirects ppoll to __ppoll_time64
if the _REDIR_TIME64 macro is 1. Then fortify/poll.h will #undef ppoll
and use the 32 bit version.

Fix: we should not do this when _REDIR_TIME64 is 1.

[1] https://forum.openwrt.org/t/idle-cpu-usage-of-usbmuxd/140331/15
[2] https://github.com/openwrt/openwrt/issues/12574

Signed-off-by: Georgi Valkov <[email protected]>

toolchain/fortify-headers/Makefile

@@ -9,7 +9,7 @@ include $(INCLUDE_DIR)/target.mk
 
 PKG_NAME:=fortify-headers
 PKG_VERSION:=1.1
-PKG_RELEASE=1
+PKG_RELEASE=2
 
 PKG_SOURCE_URL:=https://dl.2f30.org/releases
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz

toolchain/fortify-headers/patches/001-__ppoll_time64.patch

@@ -0,0 +1,11 @@
+--- a/include/poll.h
++++ b/include/poll.h
+@@ -39,7 +39,7 @@ _FORTIFY_FN(poll) int poll(struct pollfd
+ 	return __orig_poll(__f, __n, __s);
+ }
+ 
+-#ifdef _GNU_SOURCE
++#if defined(_GNU_SOURCE) && !_REDIR_TIME64
+ #undef ppoll
+ _FORTIFY_FN(ppoll) int ppoll(struct pollfd *__f, nfds_t __n, const struct timespec *__s,
+                              const sigset_t *__m)