665ce7375f
* Wed Oct 20 2021 Andrea Claudi <aclaudi@redhat.com> - 5.14.0-1 - New version 5.14.0 [1999860] Resolves: rhbz#1999860 Signed-off-by: Andrea Claudi <aclaudi@redhat.com>
80 lines
2.7 KiB
Diff
80 lines
2.7 KiB
Diff
From 5f717b9a1bb8c49e101670682d73bc5ae9ee701a Mon Sep 17 00:00:00 2001
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Message-Id: <5f717b9a1bb8c49e101670682d73bc5ae9ee701a.1634733799.git.aclaudi@redhat.com>
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In-Reply-To: <5e6e93a55d2335b90aacb0107e962610cce64007.1634733799.git.aclaudi@redhat.com>
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References: <5e6e93a55d2335b90aacb0107e962610cce64007.1634733799.git.aclaudi@redhat.com>
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From: Andrea Claudi <aclaudi@redhat.com>
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Date: Wed, 20 Oct 2021 12:32:38 +0200
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Subject: [PATCH] configure: fix parsing issue on libbpf_dir option
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1999860
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Upstream Status: iproute2-next.git commit 48c379bc
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commit 48c379bc2afd43b3246f68ed46475f5318b1218f
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Author: Andrea Claudi <aclaudi@redhat.com>
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Date: Thu Oct 14 10:50:50 2021 +0200
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configure: fix parsing issue on libbpf_dir option
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configure is stuck in an endless loop if '--libbpf_dir' option is used
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without a value:
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$ ./configure --libbpf_dir
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./configure: line 515: shift: 2: shift count out of range
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./configure: line 515: shift: 2: shift count out of range
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[...]
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Fix it splitting 'shift 2' into two consecutive shifts, and making the
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second one conditional to the number of remaining arguments.
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A check is also provided after the while loop to verify the libbpf dir
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exists; also, as LIBBPF_DIR does not have a default value, configure bails
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out if the user does not specify a value after --libbpf_dir, thus avoiding
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to produce an erroneous configuration.
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Fixes: 7ae2585b865a ("configure: convert LIBBPF environment variables to command-line options")
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Signed-off-by: Andrea Claudi <aclaudi@redhat.com>
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Acked-by: Phil Sutter <phil@nwl.cc>
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Signed-off-by: David Ahern <dsahern@kernel.org>
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---
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configure | 10 +++++++---
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1 file changed, 7 insertions(+), 3 deletions(-)
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diff --git a/configure b/configure
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index ea9051ab..0f304206 100755
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--- a/configure
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+++ b/configure
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@@ -486,7 +486,7 @@ usage()
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cat <<EOF
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Usage: $0 [OPTIONS]
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--include_dir <dir> Path to iproute2 include dir
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- --libbpf_dir Path to libbpf DESTDIR
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+ --libbpf_dir <dir> Path to libbpf DESTDIR
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--libbpf_force Enable/disable libbpf by force. Available options:
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on: require link against libbpf, quit config if no libbpf support
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off: disable libbpf probing
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@@ -506,8 +506,9 @@ else
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INCLUDE="$1"
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[ "$#" -gt 0 ] && shift ;;
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--libbpf_dir)
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- LIBBPF_DIR="$2"
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- shift 2 ;;
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+ shift
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+ LIBBPF_DIR="$1"
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+ [ "$#" -gt 0 ] && shift ;;
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--libbpf_force)
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if [ "$2" != 'on' ] && [ "$2" != 'off' ]; then
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usage 1
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@@ -525,6 +526,9 @@ else
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fi
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[ -d "$INCLUDE" ] || usage 1
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+if [ "${LIBBPF_DIR-unused}" != "unused" ]; then
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+ [ -d "$LIBBPF_DIR" ] || usage 1
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+fi
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echo "# Generated config based on" $INCLUDE >$CONFIG
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quiet_config >> $CONFIG
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--
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2.31.1
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