fixup! native: Explicitly opt in to GNUisms rather than setting std=gnu11

chrysn · chrysn · commit f1dbc39a6769 · 2022-10-03T15:28:54.000+02:00
diff --git a/boards/native/Makefile.include b/boards/native/Makefile.include
@@ -28,7 +28,8 @@ CFLAGS_DBG ?= -g3
 # This allows using functions like `kill()` that are not in the C but in the
 # POSIX standard, sigwait requires at least this version
 CFLAGS += -D_POSIX_C_SOURCE=200112L
-# F_SETOWN is a Linux extension only available in -std=c11 mode with:
+# F_SETOWN is a Linux extension only available in -std=c11 mode with this; same
+# goes for the gregs[REG_EIP] access if irq_cpu.c and native_cpu.c
 CFLAGS += -D_GNU_SOURCE
 
 ifneq (,$(filter backtrace,$(USEMODULE)))
diff --git a/cpu/native/irq_cpu.c b/cpu/native/irq_cpu.c
@@ -29,10 +29,7 @@
 #define VALGRIND_DEBUG(...)
 #endif
 
-/* __USE_GNU for gregs[REG_EIP] access under Linux */
-#define __USE_GNU
 #include <signal.h>
-#undef __USE_GNU
 
 #include "irq.h"
 #include "cpu.h"
diff --git a/cpu/native/native_cpu.c b/cpu/native/native_cpu.c
@@ -25,9 +25,7 @@
 #include <unistd.h>
 #include <stdlib.h>
 
-#define __USE_GNU
 #include <signal.h>
-#undef __USE_GNU
 
 #include <ucontext.h>
 #include <err.h>
