73 lines
3.0 KiB
C
73 lines
3.0 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#ifndef _CTF_HEADERS_H
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#define _CTF_HEADERS_H
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#pragma ident "%Z%%M% %I% %E% SMI"
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/*
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* Because the ON tools are executed on the system where they are built,
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* the tools need to include the headers installed on the build system,
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* rather than those in the ON source tree. However, some of the headers
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* required by the tools are part of the ON source tree, but not delivered
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* as part of Solaris. These include the following:
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*
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* $(SRC)/lib/libctf/common/libctf.h
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* $(SRC)/uts/common/sys/ctf_api.h
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* $(SRC)/uts/common/sys/ctf.h
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*
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* These headers get installed in the proto area in the build environment
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* under $(ROOT)/usr/include and $(ROOT)/usr/include/sys. Though these
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* headers are not part of the release, in releases including and prior to
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* Solaris 9, they did get installed on the build system via bfu. Therefore,
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* we can not simply force the order of inclusion with -I/usr/include first
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* in Makefile.ctf because we might actually get downlevel versions of the
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* ctf headers. Depending on the order of the -I includes, we can also have
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* a problem with mismatched headers when building the ctf tools with some
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* headers getting pulled in from /usr/include and others from
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* $(SRC)/uts/common/sys.
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*
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* To address the problem, we have done two things:
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* 1) Created this header with a specific order of inclusion for the
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* ctf headers. Because the <libctf.h> header includes <sys/ctf_api.h>
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* which in turn includes <sys/ctf.h> we need to include these in
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* reverse order to guarantee that we get the correct versions of
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* the headers.
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* 2) In $(SRC)/tools/ctf/Makefile.ctf, we order the -I includes such
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* that we first search the directories where the ctf headers
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* live, followed by /usr/include, followed by $(SRC)/uts/common.
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* This last -I include is needed in order to prevent a build failure
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* when <sys/ctf_api.h> is included via a nested #include rather than
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* an explicit path #include.
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*/
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#include <uts/common/sys/ctf.h>
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#include <uts/common/sys/ctf_api.h>
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#include <lib/libctf/common/libctf.h>
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#endif /* _CTF_HEADERS_H */
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