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porting/linux: Fix warning about __USE_GNU redefinition

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Simply define this before including any systema headers.

g -D_GNU_SOURCE  -o ../../../porting/npl/linux/src/os_atomic.o ../../
    ../porting/npl/linux/src/os_atomic.c
../../../porting/npl/linux/src/os_atomic.c:21:9: warning: "__USE_GNU" redefined
   21 | #define __USE_GNU
      |         ^~~~~~~~~
In file included from /usr/include/bits/libc-header-start.h:33,
                 from /usr/include/stdint.h:26,
                 from /usr/lib/gcc/x86_64-redhat-linux/14/include/stdint.h:9,
                 from ../../../porting/npl/linux/src/os_atomic.c:20:
/usr/include/features.h:409:10: note: this is the location of the previous definition
  409 | # define __USE_GNU      1
      |          ^~~~~~~~~
This commit is contained in:
Szymon Janc
2024-11-04 11:50:23 +01:00
parent 718129445d
commit a45a15c1c9
1 changed files with 2 additions and 1 deletions
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porting/npl/linux/src/os_atomic.c
+2 -1
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@@ -17,8 +17,9 @@
* under the License.
*/
#include <stdint.h>
#define __USE_GNU
#include <stdint.h>
#include <pthread.h>
#include "nimble/nimble_npl.h"