patches/glibc/2.7/250-sh-chop-linux-version.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Jul 17 17:54:21 2011 +0200 (2011-07-17)
changeset 2888 dd71df95903a
permissions -rw-r--r--
cc/gcc: pass the companion libs prefix to cc_core

In case of canadian-cross, the companion libraries are not the same for
the core cc (they run on 'build') as they are for the final cc (they run
on 'host').

Prepare for this differentiation (coming later), while retaining the
current behavior (to use the same compblibs).

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
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--- glibc-2.7/sysdeps/unix/sysv/linux/dl-osinfo.h.orig	2007-09-15 23:54:08.000000000 +0100
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+++ glibc-2.7/sysdeps/unix/sysv/linux/dl-osinfo.h	2008-08-20 09:26:26.000000000 +0100
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@@ -83,6 +83,10 @@
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   int parts;
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   char *cp;
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   struct utsname uts;
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+  int dotsfound = 0;
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+  int versionindex = 0;
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+  char *choppoint;
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+
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   /* Try the uname system call.  */
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   if (__uname (&uts))
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@@ -102,8 +106,34 @@
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   else
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     buf = uts.release;
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+  /* We are only interested in the first three kernel numbers, so */
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+  /* chop off anything past that: */
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+
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+  choppoint = buf;
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+  while (1)
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+    {
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+      versionindex++;
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+      if (versionindex == 63) break;
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+      if (*choppoint == '.') dotsfound++;
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+      choppoint++;
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+      if (dotsfound == 2)
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+      {
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+        if (*choppoint == '0' || *choppoint == '1'
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+          || *choppoint == '2' || *choppoint == '3'
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+          || *choppoint == '4' || *choppoint == '5'
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+          || *choppoint == '6' || *choppoint == '7'
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+          || *choppoint == '8' || *choppoint == '9')
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+          continue;
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+        else
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+          {
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+            *choppoint = 0;
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+            break;
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+          }
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+      }
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+    }
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+
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   /* Now convert it into a number.  The string consists of at most
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-     three parts.  */
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+     three parts.  Now it does, anyway.  ;-)  */
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   version = 0;
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   parts = 0;
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   cp = buf;