clock_gettime: check posix timer support (#156)

hippo5329 · web-flow · commit 20276b09f0b7 · 2024-10-03T07:30:17.000+02:00
The recent changes in arduino pico breaks the check. Fix it by
checking the _POSIX_TIMERS not defined or zero.

Signed-off-by: Thomas Chou &lt;thomas@wytron.com.tw&gt;
diff --git a/platform_code/arduino/clock_gettime.cpp b/platform_code/arduino/clock_gettime.cpp
@@ -3,7 +3,7 @@
 #include <sys/time.h>
 #define micro_rollover_useconds 4294967295
 
-#ifndef _POSIX_TIMERS
+#if !defined(_POSIX_TIMERS) || !_POSIX_TIMERS
 
 extern "C" int clock_gettime(clockid_t unused, struct timespec *tp)
 {

Original file line number	Diff line number	Diff line change
`@@ -3,7 +3,7 @@`
`3`	`3`	`#include <sys/time.h>`
`4`	`4`	`#define micro_rollover_useconds 4294967295`
`5`	`5`
`6`		`-#ifndef _POSIX_TIMERS`
	`6`	`+#if !defined(_POSIX_TIMERS) \|\| !_POSIX_TIMERS`
`7`	`7`
`8`	`8`	`extern "C" int clock_gettime(clockid_t unused, struct timespec *tp)`
`9`	`9`	`{`