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+?RCS: $Id: d_dlopen.U 40 2010-11-27 20:54:48Z rmanfredi $
+?RCS: Copyright (c) 2012 Raphael Manfredi
+?RCS: You may redistribute only under the terms of the Artistic License,
+?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 License; a copy of which may be found at the root
+?RCS: of the source tree for dist 4.0.
+?MAKE:d_bfd_lib: Trylink cat
+?MAKE: -pick add $@ %<
+?S: This variable conditionally defines the HAS_BFD_LIBRARY symbol, which
+?S: indicates to the C program that the BFD library is available.
+?C: This symbol, if defined, indicates that the BFD library is available
+?C: to inspect symbols and debugging information. You can safely include
+?C: the <bfd.h> file when this symbol is defined, making sure to define
+?C: the PACKAGE and PACKAGE_VERSION symbols, just in case we're facing
+?C: binutils 2.23 or higher.
+?H:#$d_bfd_lib HAS_BFD_LIBRARY /**/
+?LINT:set d_bfd_lib
+: see whether the bfd library is available
+$cat >try.c <<EOC
+?X: Starting with binutils 2.23, it is necessary to define some symbols before
+?X: including <bfd.h>, or the file does not compile properly. Do it blindly
+?X: since we do not want to bother with the actual version of the file.
+?X: This is a BFD library bug, as reported in:
+#define PACKAGE
+#include <bfd.h>
+int main(void)
+ bfd *b;
+ b = bfd_openr("file", 0);
+ return b ? 0 : 1;
+cyn="whether the BFD library is available"
+set d_bfd_lib '-lbfd -lintl -liberty' '-lbfd -liberty' '-lbfd -liberty -lz' \
+ '-lbfd -lintl -liberty -lz' '-lbfd -lz' '-lbfd -lintl -lz'
+eval $trylink