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Fix mingw gold build with plugins enabled

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* Makefile.am: Replace -ldl with @DLOPEN_LIBS@.
	* configure.ac: Export DLOPEN_LIBS and add headers check.
	* plugin.cc: Handle non-dlfcn case.
	* Makefile.in: Regenerate.
	* config.in: Regenerate.
	* configure: Regenerate.
	* testsuite/Makefile.in: Regenerate.
This commit is contained in:
Ian Lance Taylor
2013-01-11 14:36:36 +00:00
parent 02be4619f1
commit 0bf402d505
8 changed files with 95 additions and 6 deletions
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10
gold/configure.ac
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@@ -1,6 +1,7 @@
dnl Process this file with autoconf to produce a configure script.
dnl
dnl Copyright 2012 Free Software Foundation
dnl Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
dnl Free Software Foundation, Inc.
dnl
dnl This file is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
@@ -505,6 +506,13 @@ AC_LANG_PUSH(C++)
AC_CHECK_HEADERS(tr1/unordered_set tr1/unordered_map)
AC_CHECK_HEADERS(ext/hash_map ext/hash_set)
AC_CHECK_HEADERS(byteswap.h)
dnl When plugins enabled dynamic loader interface is required. Check headers
dnl which may provide this interface. In case of dlfcn.h add libdl to link.
AC_CHECK_HEADERS(windows.h)
AC_CHECK_HEADERS(dlfcn.h, [DLOPEN_LIBS="-ldl"], [DLOPEN_LIBS=""])
AC_SUBST(DLOPEN_LIBS)
AC_CHECK_FUNCS(mallinfo posix_fallocate fallocate readv sysconf times)
AC_CHECK_DECLS([basename, ffs, asprintf, vasprintf, snprintf, vsnprintf, strverscmp, strndup, memmem])