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47 lines
1.7 KiB
Bash
Executable File
47 lines
1.7 KiB
Bash
Executable File
#!/bin/bash
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# Copyright (c) 2012 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# This program wraps around pkg-config to generate the correct include and
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# library paths when cross-compiling using a sysroot.
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# The assumption is that the sysroot contains the .pc files in usr/lib/pkgconfig
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# and usr/share/pkgconfig (relative to the sysroot) and that they output paths
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# relative to some parent path of the sysroot.
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# This assumption is valid for a range of sysroots, in particular: a
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# LSB-compliant root filesystem mounted at the sysroot, and a board build
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# directory of a Chromium OS chroot.
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set -o nounset
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set -o errexit
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root="$1"
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shift
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target_arch="$1"
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shift
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libpath="$1"
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shift
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if [ -z "$root" -o -z "$target_arch" ]
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then
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echo "usage: $0 /path/to/sysroot target_arch libdir [pkg-config-arguments] package" >&2
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exit 1
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fi
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rewrite=`dirname $0`/rewrite_dirs.py
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package=${!#}
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libdir=$root/usr/$libpath/pkgconfig:$root/usr/share/pkgconfig
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set -e
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# Some sysroots, like the Chromium OS ones, may generate paths that are not
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# relative to the sysroot. For example,
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# /path/to/chroot/build/x86-generic/usr/lib/pkgconfig/pkg.pc may have all paths
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# relative to /path/to/chroot (i.e. prefix=/build/x86-generic/usr) instead of
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# relative to /path/to/chroot/build/x86-generic (i.e prefix=/usr).
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# To support this correctly, it's necessary to extract the prefix to strip from
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# pkg-config's |prefix| variable.
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prefix=`PKG_CONFIG_LIBDIR=$libdir pkg-config --variable=prefix "$package" | sed -e 's|/usr$||'`
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result=`PKG_CONFIG_LIBDIR=$libdir pkg-config "$@"`
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echo "$result"| $rewrite --sysroot "$root" --strip-prefix "$prefix"
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