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Add an obvious comment to <stdio.h> for fixincludes.

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We don't want GCC's fixincludes to touch our <stdio.h> because we
want to support multiple platform versions with one toolchain. Give
them a nice easy unambiguous string to look for.

Bug: http://code.google.com/p/android/issues/detail?id=73728
Change-Id: I15cb9a2c9eb0a44b0965dc2139f224f2b6e68ea1
This commit is contained in:
Elliott Hughes 2014-08-05 17:07:46 -07:00
parent de69069fcf
commit df85f50b82
1 changed files with 8 additions and 0 deletions
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8
libc/include/stdio.h
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@ -38,6 +38,14 @@
#ifndef _STDIO_H_
#define _STDIO_H_
/*
* This file must contain a reference to __gnuc_va_list so that GCC's
* fixincludes knows that that's what's being used for va_list, and so
* to leave our <stdio.h> alone. (fixincludes gets in the way of pointing
* one toolchain at various different sets of platform headers.)
* If you alter this comment, be sure to keep "__gnuc_va_list" in it!
*/
#include <sys/cdefs.h>
#include <sys/types.h>