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+?RCS: $Id: d_gnulibc.U,v 1997/02/28 15:34:33 ram Exp $
+?RCS: Copyright (c) 1996, Andy Dougherty
+?RCS: Copyright (c) 1996, Sven Verdoolaege
+?RCS: Copyright (c) 1991-1993, Raphael Manfredi
+?RCS: You may redistribute only under the terms of the Artistic Licence,
+?RCS: as specified in the README file that comes with the distribution.
+?RCS: You may reuse parts of this distribution only within the terms of
+?RCS: that same Artistic Licence; a copy of which may be found at the root
+?RCS: of the source tree for dist 3.0.
+?RCS: $Log: d_gnulibc.U,v $
+?RCS: Revision 1997/02/28 15:34:33 ram
+?RCS: patch61: created
+?MAKE:d_gnulibc: Myread Oldconfig Setvar contains rm \
+ +cc +ccflags +ldflags +libs
+?MAKE: -pick add $@ %<
+?S: Defined if we're dealing with the GNU C Library.
+?C: This symbol, if defined, indicates to the C program that
+?C: the GNU C library is being used.
+?H:#$d_gnulibc HAS_GNULIBC /**/
+?LINT: set d_gnulibc
+?X: gnulibc can be executed by calling this entry point.
+?X: Ulrich Drepper doesn't think any other libc does that,
+?X: but we check if it says 'GNU C Library' to be sure.
+echo " "
+echo "Checking for GNU C Library..." >&4
+cat >gnulibc.c <<EOM
+ return __libc_main();
+if $cc $ccflags $ldflags -o gnulibc gnulibc.c $libs >/dev/null 2>&1 && \
+ ./gnulibc | $contains '^GNU C Library' >/dev/null 2>&1; then
+ val="$define"
+ echo "You are using the GNU C Library"
+ val="$undef"
+ echo "You are not using the GNU C Library"
+$rm -f gnulibc*
+set d_gnulibc
+eval $setvar