[1/4] glibc specific inclusion of sysinfo.h in kernel.h
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Message ID 130a9e0c237bae10e631a5ae52c5e2c8@ixit.cz
State New, archived
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  • [1/4] glibc specific inclusion of sysinfo.h in kernel.h
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Commit Message

David Heidelberger March 14, 2014, 4:14 p.m. UTC
including sysinfo.h from kernel.h makes no sense whatsoever,
but removing it breaks glibc's userspace header,
which includes kernel.h instead of sysinfo.h from their sys/sysinfo.h.
this seems to be a historical mistake.
on musl, including any header that uses kernel.h directly or indirectly
plus sys/sysinfo.h will produce a compile error due to redefinition of
struct sysinfo.h.
so for now, only include it on glibc in order not to break their 
headers.

Signed-off-by: John Spencer <maillist-linux@barfooze.de>
Signed-off-by: David Heidelberger <david.heidelberger@ixit.cz>
---
  include/uapi/linux/kernel.h | 2 ++
  1 file changed, 2 insertion(+)

   */

Patch
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diff --git a/include/uapi/linux/kernel.h b/include/uapi/linux/kernel.h
index 321e399..8c45eeb 100644
--- a/include/uapi/linux/kernel.h
+++ b/include/uapi/linux/kernel.h
@@ -1,7 +1,9 @@ 
  #ifndef _UAPI_LINUX_KERNEL_H
  #define _UAPI_LINUX_KERNEL_H

+#ifdef __GLIBC__
  #include <linux/sysinfo.h>
+#endif

  /*
   * 'kernel.h' contains some often-used function prototypes etc