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Fix POSIX conformance issues for clock_gettime

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CLOCK_MONOTONIC should not be used as a feature macro.  The POSIX
feature macros are provided by unistd.h.  CLOCK_MONOTONIC is provided by
time.h.  CLOCK_MONOTONIC requires _POSIX_C_SOURCE >= 199309L on some
systems.
This commit is contained in:
Camilla Löwy 2019-12-15 17:24:26 +01:00
parent 506a6aafde
commit 081484ed34
4 changed files with 11 additions and 2 deletions
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2
README.md
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@ -149,6 +149,8 @@ information on what to include when reporting a bug.
- [X11] Bugfix: Decorations could not be enabled after window creation (#1566) - [X11] Bugfix: Decorations could not be enabled after window creation (#1566)
- [X11] Bugfix: Content scale fallback value could be inconsistent (#1578) - [X11] Bugfix: Content scale fallback value could be inconsistent (#1578)
- [Wayland] Bugfix: The `GLFW_HAND_CURSOR` shape used the wrong image (#1432) - [Wayland] Bugfix: The `GLFW_HAND_CURSOR` shape used the wrong image (#1432)
- [Wayland] Bugfix: `CLOCK_MONOTONIC` was not correctly enabled
- [POSIX] Bugfix: `CLOCK_MONOTONIC` was not correctly tested for or enabled
- [NSGL] Removed enforcement of forward-compatible flag for core contexts - [NSGL] Removed enforcement of forward-compatible flag for core contexts
- [NSGL] Bugfix: `GLFW_COCOA_RETINA_FRAMEBUFFER` had no effect on newer - [NSGL] Bugfix: `GLFW_COCOA_RETINA_FRAMEBUFFER` had no effect on newer
macOS versions (#1442) macOS versions (#1442)

7
src/posix_time.c
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@ -27,8 +27,11 @@
// It is fine to use C99 in this file because it will not be built with VS // It is fine to use C99 in this file because it will not be built with VS
//======================================================================== //========================================================================
#define _POSIX_C_SOURCE 199309L
#include "internal.h" #include "internal.h"
#include <unistd.h>
#include <sys/time.h> #include <sys/time.h>
#include <time.h> #include <time.h>
@ -41,7 +44,7 @@
// //
void _glfwInitTimerPOSIX(void) void _glfwInitTimerPOSIX(void)
{ {
#if defined(CLOCK_MONOTONIC) #if defined(_POSIX_TIMERS) && defined(_POSIX_MONOTONIC_CLOCK)
struct timespec ts; struct timespec ts;
if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0)
@ -64,7 +67,7 @@ void _glfwInitTimerPOSIX(void)
uint64_t _glfwPlatformGetTimerValue(void) uint64_t _glfwPlatformGetTimerValue(void)
{ {
#if defined(CLOCK_MONOTONIC) #if defined(_POSIX_TIMERS) && defined(_POSIX_MONOTONIC_CLOCK)
if (_glfw.timer.posix.monotonic) if (_glfw.timer.posix.monotonic)
{ {
struct timespec ts; struct timespec ts;

3
src/wl_init.c
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@ -26,6 +26,8 @@
// It is fine to use C99 in this file because it will not be built with VS // It is fine to use C99 in this file because it will not be built with VS
//======================================================================== //========================================================================
#define _POSIX_C_SOURCE 199309L
#include "internal.h" #include "internal.h"
#include <assert.h> #include <assert.h>
@ -38,6 +40,7 @@
#include <sys/mman.h> #include <sys/mman.h>
#include <sys/timerfd.h> #include <sys/timerfd.h>
#include <unistd.h> #include <unistd.h>
#include <time.h>
#include <wayland-client.h> #include <wayland-client.h>

1
src/x11_init.c
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@ -36,6 +36,7 @@
#include <limits.h> #include <limits.h>
#include <stdio.h> #include <stdio.h>
#include <locale.h> #include <locale.h>
#include <unistd.h>
// Translate an X11 key code to a GLFW key code. // Translate an X11 key code to a GLFW key code.