proxysql: small clean up

component/proxysql/buildout.cfg

@@ -25,23 +25,14 @@ shared = true
 version = v2.0.12
 url = https://github.com/sysown/proxysql/archive/${:version}.tar.gz
 md5sum = 70ec17fe73703a25730fdd44b6bc3ef5
-prefix = @@LOCATION@@
-# Patch installation path for SlapOS
-pre-configure =
-  mkdir -p ${:prefix}/bin ${:prefix}/etc/init.d ${:prefix}/lib/systemd/system
-  sed -ri "
-    s#(\s)/usr/bin#\1${:prefix}/bin#g
-    s#(\s)/etc#\1${:prefix}/etc#g
-    s#(\s)/usr/lib#\1${:prefix}/lib#
-    s#(\s)/var/lib#\1${:prefix}/lib#g
-    s#(\s)useradd#\1echo useradd#g
-    s#(\s)systemctl#\1echo systemctl#g
-    s#(\s)chkconfig#\1echo chkconfig#g
-    s#(\s)update-rc.d#\1echo update-rc.d#g" Makefile
-
 configure-command = true
+make-options = GIT_VERSION=${:version}
+# The install target does not honor DESTDIR:
+# let's forget it and only install what we need.
+make-targets = src/proxysql
+post-install =
+  install -Dt %(location)s/bin %(make-targets)s
 environment =
-  GIT_VERSION=${:version}
   PKG_CONFIG_PATH=${openssl:location}/lib/pkgconfig:${gnutls:location}/lib/pkgconfig:${libgcrypt:location}/lib/pkgconfig:${zlib:location}/lib/pkgconfig:${pcre:location}/lib/pkgconfig
   PATH=${m4:location}/bin:${libtool:location}/bin:${libgcrypt:location}/bin:${curl:location}/bin:${perl:location}/bin:${pkgconfig:location}/bin:${bzip2:location}/bin:${autoconf:location}/bin:${git:location}/bin:${automake:location}/bin:${patch:location}/bin:${cmake-3.18:location}/bin:%(PATH)s
   CXXFLAGS=-I${openssl:location}/include -I${gnutls:location}/include -I${zlib:location}/include