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?RCS: $Id: d_dlopen.U 40 2010-11-27 20:54:48Z rmanfredi $
?RCS:
?RCS: Copyright (c) 2012 Raphael Manfredi
?RCS:
?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.
?RCS:
?MAKE:d_bfd_lib: Trylink cat
?MAKE: -pick add $@ %<
?S:d_bfd_lib:
?S: This variable conditionally defines the HAS_BFD_LIBRARY symbol, which
?S: indicates to the C program that the BFD library is available.
?S:.
?C:HAS_BFD_LIBRARY :
?C: This symbol, if defined, indicates that the BFD library is available
?C: to inspect symbols and debugging information. You can safely include
?C: the <bfd.h> file when this symbol is defined, making sure to define
?C: the PACKAGE and PACKAGE_VERSION symbols, just in case we're facing
?C: binutils 2.23 or higher.
?C:.
?H:#$d_bfd_lib HAS_BFD_LIBRARY /**/
?H:.
?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:
?X: https://sourceware.org/bugzilla/show_bug.cgi?id=15920
#define PACKAGE
#define PACKAGE_VERSION
#include <bfd.h>
int main(void)
{
bfd *b;
b = bfd_openr("file", 0);
return b ? 0 : 1;
}
EOC
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
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