83 lines
3.3 KiB
Makefile
83 lines
3.3 KiB
Makefile
# $NetBSD: find-pkgconfig-files.mk,v 1.2 2022/02/10 18:58:37 gutteridge Exp $
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#
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# Copyright (c) 2020 The NetBSD Foundation, Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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#
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# This is a "subroutine" that can be included to detect the presence of
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# pkg-config files in the base system.
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#
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# The following variables must be defined before including this file:
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#
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# BUILTIN_FIND_PKGCONFIG_VAR is a list of variables to define. These
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# variables take the value of the path to the file that is
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# "found".
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#
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# BUILTIN_FIND_PKGCONFIG.<var> is the list of header files to find, in
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# order, on the ${BUILTIN_PKGCONFIG_DIRS}. The variable <var> is set
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# to the first path "found" on the filesystem.
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#
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# After including this file, the following variables are defined:
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#
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# <var> is the first of the header files listed in
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# ${BUILTIN_FIND_PKGCONFIG.<var>} that is "found" in
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# ${BUILTIN_PKGCONFIG_DIRS}, or else it is "__nonexistent__".
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#
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# An example use is:
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#
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# BUILTIN_FIND_PKGCONFIG_FILES_VAR:= LIB1 LIB2
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#
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# BUILTIN_FIND_PKGCONFIG_FILES.LIB1= lib1.pc lib-1.0.pc
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# BUILTIN_FIND_PKGCONFIG_FILES.LIB2= lib2.pc lib-2.0.pc
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# .include "../../mk/buildlink3/find-pkgconfig-files.mk"
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#
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BUILTIN_PKGCONFIG_DIRS?= /usr/lib/pkgconfig \
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/usr/share/pkgconfig \
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/usr/libdata/pkgconfig \
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/usr/lib/x86_64-linux-gnu/pkgconfig \
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/usr/lib/aarch64-linux-gnu/pkgconfig \
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/usr/lib/arm-linux-gnueabi/pkgconfig \
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/usr/lib/arm-linux-gnueabihf/pkgconfig \
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/usr/lib/i386-linux-gnu/pkgconfig \
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/usr/lib/mips64el-linux-gnuabi64/pkgconfig \
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/usr/lib/mipsel-linux-gnu/pkgconfig \
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/usr/lib/powerpc64le-linux-gnu/pkgconfig \
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/usr/lib/s390x-linux-gnu/pkgconfig
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.for _var_ in ${BUILTIN_FIND_PKGCONFIG_FILES_VAR}
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. if !defined(${_var_})
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${_var_}= __nonexistent__
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. for _file_ in ${BUILTIN_FIND_PKGCONFIG_FILES.${_var_}}
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. for _dir_ in ${BUILTIN_PKGCONFIG_DIRS}
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. if !empty(${_var_}:M__nonexistent__) && exists(${_dir_}/${_file_})
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${_var_}= ${_dir_}/${_file_}
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. endif
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. endfor
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. endfor
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. endif
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MAKEVARS+= ${_var_}
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.endfor
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