Add include guards to dl-procinfo.h

The dl-procinfo.h for linux/s390 and linux/i386 don't have include
guards, which causes them to fail since addition of LD_HWCAP_MASK to
tunables.  Add _DL_I386_PROCINFO_H guard to avoid redefining
_dl_procinfo on multiple includes and also allow the subsequent
include of another dl-procinfo.h to work.

Verified with a build test on i686.

	* sysdeps/unix/sysv/linux/i386/dl-procinfo.h: Add include
	guard.
	* sysdeps/unix/sysv/linux/s390/dl-procinfo.h: Likewise.
This commit is contained in:
Siddhesh Poyarekar 2017-06-07 10:53:49 +05:30
parent ea9b0ecbf0
commit 6482e63403
3 changed files with 10 additions and 0 deletions

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@ -1,5 +1,9 @@
2017-06-07 Siddhesh Poyarekar <siddhesh@sourceware.org>
* sysdeps/unix/sysv/linux/i386/dl-procinfo.h: Add include
guard.
* sysdeps/unix/sysv/linux/s390/dl-procinfo.h: Likewise.
* elf/dl-tunables.list: Add glibc.tune.hwcap_mask.
* scripts/gen-tunables.awk: Include dl-procinfo.h.
* manual/tunables.texi: Document glibc.tune.hwcap_mask.

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@ -17,6 +17,8 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#ifndef _DL_I386_PROCINFO_H
#define _DL_I386_PROCINFO_H 1
#include <sysdeps/x86/dl-procinfo.h>
#undef _dl_procinfo
@ -42,3 +44,4 @@ _dl_procinfo (unsigned int type, unsigned long int word)
return 0;
}
#endif

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@ -17,6 +17,8 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#ifndef _DL_S390_PROCINFO_H
#define _DL_S390_PROCINFO_H 1
#include <sysdeps/s390/dl-procinfo.h>
#include <ldsodefs.h>
@ -44,3 +46,4 @@ _dl_procinfo (unsigned int type, unsigned long int word)
return 0;
}
#endif