patches/glibc/2.9/260-fadvise64_64.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Thu May 26 22:51:03 2011 +0200 (2011-05-26)
changeset 2481 30644208c955
parent 1201 c9967a6e3b25
permissions -rw-r--r--
configure: add possibility to set arbitrary variable in check_for

If check_for is able to find the required prog/inc/lib, allow it to
set an arbitrary variable to 'y'. This variable is then pushed down
to the kconfig definition.

For example:
has_or_abort prog=foobar kconfig=has_foobar

If foobar is available, it yields a kconfig variable defaulting to y:
config CONFIGURE_has_foobar
bool
default y

If foobar is missing, it yields a kconfig variable defaulting to n:
config CONFIGURE_has_foobar
bool

Thus it is possible to depends on that variabel to show/hide options:
config SOME_FEATURE
bool
prompt "Some feature"
depends on CONFIGURE_has_foobar

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
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Original patch from: gentoo/src/patchsets/glibc/2.9/1070_all_glibc-fadvise64_64.patch
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-= BEGIN original header =-
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ripped from Debian
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-= END original header =-
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diff -durN glibc-2_9.orig/sysdeps/unix/sysv/linux/posix_fadvise.c glibc-2_9/sysdeps/unix/sysv/linux/posix_fadvise.c
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--- glibc-2_9.orig/sysdeps/unix/sysv/linux/posix_fadvise.c	2003-08-17 02:36:22.000000000 +0200
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+++ glibc-2_9/sysdeps/unix/sysv/linux/posix_fadvise.c	2009-02-02 22:00:58.000000000 +0100
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@@ -35,6 +35,19 @@
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     return INTERNAL_SYSCALL_ERRNO (ret, err);
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   return 0;
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 #else
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+# ifdef __NR_fadvise64_64
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+  INTERNAL_SYSCALL_DECL (err);  
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+  int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd,
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+			      __LONG_LONG_PAIR ((long) (offset >> 31),
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+						(long) offset),
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+			      __LONG_LONG_PAIR ((long) (len >> 31),
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+						(long) len),
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+			      advise);
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+  if (INTERNAL_SYSCALL_ERROR_P (ret, err))
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+    return INTERNAL_SYSCALL_ERRNO (ret, err);
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+  return 0;
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+# else
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   return ENOSYS;
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+# endif
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 #endif
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 }