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[PATCH] gdb/configure: Replace hardcoded -ldl with check based on dlfcn.h availability

From: Pavel Chupin <pavel dot v dot chupin at gmail dot com>
To: gdb-patches at sourceware dot org
Date: Wed, 17 Apr 2013 15:21:48 +0400
Subject: [PATCH] gdb/configure: Replace hardcoded -ldl with check based on dlfcn.h availability

Hi,
Attached patch adds check for dlfcn.h header availability before
adding -ldl to some configure commands. Otherwise on some
configuration -ldl is added unconditionally even though it's not
required and gdb is configured without ELF support due to failed link.

Issue is found on mingw gdb build for Android.

gdb/ChangeLog entry:
2013-04-16  Pavel Chupin  <pavel.v.chupin@intel.com>

        Replace hardcoded -ldl with check based on dlfcn.h availability
        * configure.ac: Add dlfcn.h check and DLOPEN_LIBS def.
        * acinclude.m4: Use DLOPEN_LIBS instead of hardcode.
        * configure: Regenerate.


--
Pavel Chupin
Intel Corporation

Attachment: 0001-Replace-hardcoded-ldl-with-check-based-on-dlfcn.h-av.patch
Description: Binary data

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