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comparison: media/webrtc/trunk/build/linux/pkg-config-wrapper
media/webrtc/trunk/build/linux/pkg-config-wrapper
- branch
- TOR_BUG_3246
- changeset 5
- 4ab42b5ab56c
equal
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| -1:000000000000 | 0:08865fd527ee |
|---|---|
| 1 #!/bin/bash | |
| 2 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 3 # Use of this source code is governed by a BSD-style license that can be | |
| 4 # found in the LICENSE file. | |
| 5 | |
| 6 # This program wraps around pkg-config to generate the correct include and | |
| 7 # library paths when cross-compiling using a sysroot. | |
| 8 # The assumption is that the sysroot contains the .pc files in usr/lib/pkgconfig | |
| 9 # and usr/share/pkgconfig (relative to the sysroot) and that they output paths | |
| 10 # relative to some parent path of the sysroot. | |
| 11 # This assumption is valid for a range of sysroots, in particular: a | |
| 12 # LSB-compliant root filesystem mounted at the sysroot, and a board build | |
| 13 # directory of a Chromium OS chroot. | |
| 14 | |
| 15 root="$1" | |
| 16 shift | |
| 17 target_arch="$1" | |
| 18 shift | |
| 19 | |
| 20 if [ -z "$root" -o -z "$target_arch" ] | |
| 21 then | |
| 22 echo "usage: $0 /path/to/sysroot target_arch [pkg-config-arguments] package" >&2 | |
| 23 exit 1 | |
| 24 fi | |
| 25 | |
| 26 if [ "$target_arch" = "x64" ] | |
| 27 then | |
| 28 libpath="lib64" | |
| 29 else | |
| 30 libpath="lib" | |
| 31 fi | |
| 32 | |
| 33 rewrite=`dirname $0`/rewrite_dirs.py | |
| 34 package=${!#} | |
| 35 | |
| 36 config_path=$root/usr/$libpath/pkgconfig:$root/usr/share/pkgconfig | |
| 37 set -e | |
| 38 # Some sysroots, like the Chromium OS ones, may generate paths that are not | |
| 39 # relative to the sysroot. For example, | |
| 40 # /path/to/chroot/build/x86-generic/usr/lib/pkgconfig/pkg.pc may have all paths | |
| 41 # relative to /path/to/chroot (i.e. prefix=/build/x86-generic/usr) instead of | |
| 42 # relative to /path/to/chroot/build/x86-generic (i.e prefix=/usr). | |
| 43 # To support this correctly, it's necessary to extract the prefix to strip from | |
| 44 # pkg-config's |prefix| variable. | |
| 45 prefix=`PKG_CONFIG_PATH=$config_path pkg-config --variable=prefix "$package" | sed -e 's|/usr$||'` | |
| 46 result=`PKG_CONFIG_PATH=$config_path pkg-config "$@"` | |
| 47 echo "$result"| $rewrite --sysroot "$root" --strip-prefix "$prefix" |
