slapos: Include specific obs.cfg destinated to be used to build packages

  On OBS the build system is quite particular and it has to work in a specific way,
  This file handles the difference between build from source and prepare things to OBS.

component/slapos/obs.cfg

+[buildout]
+# You need to define rootdir and destdir on an upper level
+#rootdir = %TARGET_DIRECTORY%
+#destdir = %BUILD_ROOT_DIRECTORY% 
+extends =
+  buildout.cfg
+
+# Don't load extensions
+extensions =
+  slapos.rebootstrap
+
+extends-cache = extends-cache
+download-cache = download-cache
+
+# Uguu, upstream buildout.cfg must be patched as it works the other way
+# around from a packager point of view at least, thus at the end static
+# path, such as Python HOME directory, are wrong...
+#
+# Currently:
+# ./configure --prefix=BUILD_DIRECTORY && make install
+# Instead of:
+# ./configure --prefix=INSTALL_DIRECTORY && make install DESTDIR=BUILD_DIRECTORY
+[python2.7]
+configure-options +=
+  --prefix=${buildout:rootdir}/parts/${:_buildout_section_name_}
+environment +=
+  DESTDIR=${buildout:destdir}
+
+[gettext]
+# Add gettext library path to RPATH as its binaries are used to build
+# glib for example
+environment =
+  PATH=${perl:location}/bin:${lunzip:location}/bin:%(PATH)s
+  CPPFLAGS=-I${libxml2:location}/include -I${zlib:location}/include -I${ncurses:location}/include
+  LDFLAGS=-L${libxml2:location}/lib -Wl,-rpath=${libxml2:location}/lib -L${zlib:location}/lib -Wl,-rpath=${zlib:location}/lib -L${ncurses:location}/lib -Wl,-rpath=${ncurses:location}/lib -Wl,-rpath=%BUILD_DIRECTORY%/parts/${:_buildout_section_name_}/lib
+
+[bison]
+configure-options +=
+  --prefix=${buildout:rootdir}/parts/${:_buildout_section_name_}
+make-options +=
+  DESTDIR=${buildout:destdir}
+
+[dbus]
+configure-options +=
+  --prefix=${buildout:rootdir}/parts/${:_buildout_section_name_}
+make-options +=
+  DESTDIR=${buildout:destdir}
+environment +=
+  LDFLAGS=-L${libexpat:location}/lib -L${buildout:parts-directory}/${:_buildout_section_name_}/lib -Wl,-rpath=${buildout:parts-directory}/${:_buildout_section_name_}/lib
+  LD_LIBRARY_PATH=${buildout:parts-directory}/${:_buildout_section_name_}/lib
+post-install =
+  mkdir -p ${buildout:destdir}/parts/${:_buildout_section_name_}/var/run/dbus
+
+[dbus-glib]
+environment +=
+  CPPFLAGS=-I${libexpat:location}/include -I${dbus:location}/include/dbus-1.0 -I${dbus:location}/lib/dbus-1.0/include
+  LDFLAGS=-L${libexpat:location}/lib -L${gettext:location}/lib -Wl,-rpath=${zlib:location}/lib -L${dbus:location}/lib -Wl,-rpath=${dbus:location}/lib
+  LD_LIBRARY_PATH=${dbus:location}/lib
+
+[dbus-python]
+pre-configure =
+  sed -i 's#/opt/slapos/parts/dbus/lib/libdbus-1.la#${dbus:location}/lib/libdbus-1.la#' ${dbus-glib:location}/lib/libdbus-glib-1.la
+environment +=
+  LD_LIBRARY_PATH=${dbus:location}/lib
+  LDFLAGS=-L${glib:location}/lib -Wl,-rpath=${glib:location}/lib -L${dbus:location}/lib -Wl,-rpath=${dbus:location}/lib
+post-install =
+  sed -i 's#${dbus:location}/lib/libdbus-1.la#/opt/slapos/parts/dbus/lib/libdbus-1.la#' ${dbus-glib:location}/lib/libdbus-glib-1.la
+
+[openssl]
+# HTTPS is not work on debian 6 where the package is originally
+# prepared to be upload.
+url = ftp://ftp.openssl.org/source/openssl-1.0.2l.tar.gz
+md5sum = f85123cd390e864dfbe517e7616e6566
+
+prefix = ${buildout:rootdir}/parts/${:_buildout_section_name_}
+make-options +=
+  INSTALL_PREFIX=${buildout:destdir}
+
+[bison-go]
+<= bison
+configure-options =
+  --prefix=${buildout:parts-directory}/${:_buildout_section_name_}
+make-options =
+
+[gobject-introspection]
+pre-configure =
+  sed -i 's#!/opt/slapos/parts/python2.7/bin/python2.7#!${python2.7:location}/bin/python2.7#' ${python2.7:location}/bin/python-config
+  libtoolize -c -f
+  aclocal -I${pkgconfig:location}/share/aclocal -I${gettext:location}/share/aclocal -I${libtool:location}/share/aclocal -I${glib:location}/share/aclocal
+  ./autogen.sh
+configure-options +=
+  --enable-shared
+environment +=
+  PATH=${autoconf:location}/bin:${automake:location}/bin:${pkgconfig:location}/bin:${libtool:location}/bin:${intltool:location}/bin:${gettext:location}/bin:${glib:location}/bin:${flex:location}/bin:${bison-go:location}/bin:%(PATH)s
+  GIR_DIR=${buildout:parts-directory}/${:_buildout_section_name_}/share/gir-1.0
+  CPPFLAGS=-I${glib:location}/include/glib-2.0 -I${glib:location}/lib/glib-2.0/include -I${python2.7:location}/include/python2.7
+  LDFLAGS=-L${glib:location}/lib -Wl,-rpath=${glib:location}/lib -L${libffi:location}/lib -Wl,-rpath=${libffi:location}/lib -lffi -L${python2.7:location}/lib
+  ACLOCAL_PATH=${pkgconfig:location}/share/aclocal:${gettext:location}/share/aclocal:${libtool:location}/share/aclocal:${glib:location}/share/aclocal:${intltool:location}/share/aclocal
+  M4=${m4:location}/bin/m4
+
+post-install = 
+  sed -i 's#!${python2.7:location}/bin/python2.7#!/opt/slapos/parts/python2.7/bin/python2.7#' ${python2.7:location}/bin/python-config
+  rm -rf ${bison-go:location}
+
+[pygobject3]
+pre-configure +=
+  sed -i 's#!/opt/slapos/parts/python2.7/bin/python2.7#!${python2.7:location}/bin/python2.7#' ${python2.7:location}/bin/python-config
+environment +=
+  CPPFLAGS=-I${glib:location}/include/glib-2.0 -I${glib:location}/lib/glib-2.0/include -I${gettext:location}/include -I${libffi:location}/include -I${python2.7:location}/include/python2.7
+  LDFLAGS=-L${glib:location}/lib -Wl,-rpath=${glib:location}/lib -L${gettext:location}/lib -Wl,-rpath=${gettext:location}/lib -L${python2.7:location}/lib
+post-install =
+  sed -i 's#!${python2.7:location}/bin/python2.7#!/opt/slapos/parts/python2.7/bin/python2.7#' ${python2.7:location}/bin/python-config
+
+[ncurses]
+configure-options =
+  --prefix=${buildout:parts-directory}/${:_buildout_section_name_}
+  --with-shared
+  --without-ada
+  --without-manpages
+  --without-tests
+  --without-normal
+  --without-debug
+  --without-gpm
+  --enable-rpath
+
+[flex]
+environment +=
+ BISON_PKGDATADIR=${bison:location}/share/bison/
+
+[perl]
+configure-command =
+  sh Configure -des \
+    -Dprefix=${buildout:rootdir}/parts/${:_buildout_section_name_} \
+    -Dsiteprefix=${buildout:rootdir}/parts/site_${:_buildout_section_name_} \
+    -Dcflags=-I${gdbm:location}/include \
+    -Dldflags="-L${gdbm:location}/lib -Wl,-rpath=${gdbm:location}/lib" \
+    -Ui_db \
+    -Dnoextensions=ODBM_File \
+    -Dusethreads
+
+[versions]
+# More recently version of cliff uses pbr which will break package build on OBS.
+cliff = 1.4.5