path: root/mcon/U/d_dladdr.U
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diff --git a/mcon/U/d_dladdr.U b/mcon/U/d_dladdr.U
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+?RCS: $Id: d_dladdr.U 167 2013-05-08 17:58:00Z 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_dladdr: Trylink cat i_dlfcn
+?MAKE: -pick add $@ %<
+?S: This variable conditionally defines the HAS_DLADDR symbol, which
+?S: indicates to the C program that the dladdr() routine is available.
+?C: This symbol, if defined, indicates that the dladdr() routine is
+?C: available to query the dynamic linker about a specified address.
+?H:#$d_dladdr HAS_DLADDR /**/
+?LINT:set d_dladdr
+: see if dladdr exists
+$cat >try.c <<EOC
+#$i_dlfcn I_DLFCN
+#define _GNU_SOURCE
+#ifdef I_DLFCN
+#include <dlfcn.h>
+int main(void)
+ Dl_info info;
+ dladdr(main, &info);
+ return info.dli_fbase != 0;
+set d_dladdr '-ldl'
+eval $trylink