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Date: Tue, 15 Jul 2003 01:35:00 -0000
To: gcc-patches@gcc.gnu.org, gdb-patches@sources.redhat.com,
   binutils@sources.redhat.com
Subject: [toplevel] Remove unused libc_interface stuff
Message-ID: <20030715013512.GA7958@doctormoo>
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From: Nathanael Nerode <neroden@twcny.rr.com>
X-SW-Source: 2003-07/txt/msg00277.txt.bz2

I was startled to discover that this wasn't being used anywhere in
gcc/ or src/.  It's not used in glibc, either.  I don't see what
the point is any more.

Combined bootstrap in progress, just to make sure.

I'm sending this out to see if anyone knows of a reason to keep it;
otherwise I'll nuke it.

	* config.if: Remove unused libc_interface determination.

Index: config.if
===================================================================
RCS file: /cvs/gcc/gcc/config.if,v
retrieving revision 1.9
diff -u -r1.9 config.if
--- config.if	30 Jan 2003 11:52:51 -0000	1.9
+++ config.if	15 Jul 2003 00:51:37 -0000
@@ -3,7 +3,6 @@
 # determine:
 #
 #	1. libstcxx_incdir: the interface name for libstdc++.
-#	2. libc_interface: the interface name for libc.
 #
 
 # Get the top level src dir.
@@ -36,53 +35,3 @@
 fi
 libstdcxx_incdir=c++/${gcc_version}
 
-# The trickiest part is libc_interface.
-if [ -z "${libc_interface}" ]
-then
-  case ${target_os} in
-  *linux*libc1*|*linux*libc5*)
-    case ${target_alias} in
-    *alpha*|*powerpc*)
-      libc_interface=-libc5.9-
-      ;;
-    *)
-      libc_interface=-libc5-
-      ;;
-    esac
-    ;;
-  *linux*gnu*)
-    # We have to work harder to figure it out.
-    if [ ${target_alias} = ${build_alias} ]
-    then
-      dummy=if$$
-      cat >$dummy.c <<EOF
-#include <features.h>                      
-main(argc, argv)
-     int argc;          
-     char *argv[];
-{
-  printf("%d\n", __GLIBC_MINOR__);
-  return 0;
-}
-EOF
-      ${CC-cc} $dummy.c -o $dummy 2>/dev/null
-      if [ "$?" = 0 ]
-      then
-	libc_interface=-libc6.`./$dummy`-
-	rm -f $dummy.c $dummy
-      else
-	# It should never happen.
-	echo "Cannot find the GNU C library minor version number." >&2
-	rm -f $dummy.c $dummy
-	exit 1
-      fi
-    else
-      # Cross compiling. Assume glibc 2.1.
-      libc_interface=-libc6.1-
-    fi
-    ;;
-  *)
-    libc_interface=-
-    ;;
-  esac
-fi

-- 
Nathanael Nerode  <neroden at gcc.gnu.org>
http://home.twcny.rr.com/nerode/neroden/fdl.html