netdev - [PATCH iproute2 v5 6/7] configure: add the --prefix option

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Message-Id: <88b3ba75872cc2850e13b2e76db680551ec8e672.1634199240.git.aclaudi@redhat.com>
Date:   Thu, 14 Oct 2021 10:50:54 +0200
From:   Andrea Claudi <aclaudi@...hat.com>
To:     netdev@...r.kernel.org
Cc:     stephen@...workplumber.org, dsahern@...il.com, bluca@...ian.org,
        phil@....cc, haliu@...hat.com
Subject: [PATCH iproute2 v5 6/7] configure: add the --prefix option

This commit add the '--prefix' option to the iproute2 configure script.

This mimics the '--prefix' option that autotools configure provides, and
will be used later to allow users or packagers to set the lib directory.

Signed-off-by: Andrea Claudi <aclaudi@...hat.com>
---
 configure | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/configure b/configure
index 9a2645d9..05e23eff 100755
--- a/configure
+++ b/configure
@@ -3,6 +3,7 @@
 # This is not an autoconf generated configure
 
 INCLUDE="$PWD/include"
+PREFIX="/usr"
 
 # Output file which is input to Makefile
 CONFIG=config.mk
@@ -490,6 +491,7 @@ Usage: $0 [OPTIONS]
 	--libbpf_force <on|off>		Enable/disable libbpf by force. Available options:
 					  on: require link against libbpf, quit config if no libbpf support
 					  off: disable libbpf probing
+	--prefix <dir>			Path prefix of the lib files to install
 	-h | --help			Show this usage info
 EOF
 	exit $1
@@ -516,6 +518,11 @@ else
 				LIBBPF_FORCE="$1" ;;
 			--libbpf_force=*)
 				LIBBPF_FORCE="${1#*=}" ;;
+			--prefix)
+				shift
+				PREFIX="$1" ;;
+			--prefix=*)
+				PREFIX="${1#*=}" ;;
 			-h | --help)
 				usage 0 ;;
 			--*)
@@ -536,6 +543,7 @@ if [ "${LIBBPF_FORCE-unused}" != "unused" ]; then
 		usage 1
 	fi
 fi
+[ -z "$PREFIX" ] && usage 1
 
 echo "# Generated config based on" $INCLUDE >$CONFIG
 quiet_config >> $CONFIG
-- 
2.31.1