many components: support newer architectures (RISC-V)

component/attr/buildout.cfg

 [buildout]
-
+extends = ../gnu-config/buildout.cfg
 parts = attr
 
 [attr]
@@ -7,6 +7,7 @@ recipe = slapos.recipe.cmmi
 shared = true
 url = http://download.savannah.gnu.org/releases/attr/attr-2.4.47.src.tar.gz
 md5sum = 84f58dec00b60f2dc8fd1c9709291cc7
+pre-configure = cp -f ${gnu-config:location}/config.sub ${gnu-config:location}/config.guess .
 configure-options =
     --enable-shared=yes
     --enable-gettext=no

component/icu/buildout.cfg

 [buildout]
+extends = ../gnu-config/buildout.cfg
 parts = icu4c
 
 [icu4c]
@@ -7,6 +8,7 @@ shared = true
 location = @@LOCATION@@
 url = https://github.com/unicode-org/icu/releases/download/release-58-2/icu4c-58_2-src.tgz
 md5sum = fac212b32b7ec7ab007a12dff1f3aea1
+pre-configure = cp -f ${gnu-config:location}/config.sub ${gnu-config:location}/config.guess source/
 configure-command = source/configure
 configure-options =
   --prefix=${:location}

component/lcms/buildout.cfg

@@ -3,6 +3,7 @@
 
 [buildout]
 extends =
+  ../gnu-config/buildout.cfg
   ../jbigkit/buildout.cfg
   ../libjpeg/buildout.cfg
   ../libtiff/buildout.cfg
@@ -16,6 +17,7 @@ recipe = slapos.recipe.cmmi
 shared = true
 url = http://downloads.sourceforge.net/project/lcms/lcms/2.8/lcms2-2.8.tar.gz
 md5sum = 87a5913f1a52464190bb655ad230539c
+pre-configure = cp -f ${gnu-config:location}/config.sub ${gnu-config:location}/config.guess .
 configure-options =
   --disable-static
 environment =

component/libtiff/buildout.cfg

 [buildout]
 extends =
-  ../libjpeg/buildout.cfg
+  ../gnu-config/buildout.cfg
   ../jbigkit/buildout.cfg
+  ../libjpeg/buildout.cfg
   ../patch/buildout.cfg
   ../zlib/buildout.cfg
 
@@ -13,6 +14,7 @@ recipe = slapos.recipe.cmmi
 shared = true
 url = http://download.osgeo.org/libtiff/tiff-4.2.0.tar.gz
 md5sum = 2bbf6db1ddc4a59c89d6986b368fc063
+pre-configure = cp -f ${gnu-config:location}/config.sub ${gnu-config:location}/config.guess config/
 configure-options =
   --disable-static
   --without-x

component/unixodbc/buildout.cfg

 [buildout]
+extends = ../gnu-config/buildout.cfg
 parts=
   unixodbc
 
@@ -7,4 +8,5 @@ recipe = slapos.recipe.cmmi
 shared = true
 url = http://www.unixodbc.org/unixODBC-2.3.5.tar.gz
 md5sum = abf14cf943f1f8c5e63a24cb26d54fd9
+pre-configure = cp -f ${gnu-config:location}/config.sub ${gnu-config:location}/config.guess .
 post-install = ln -s @@LOCATION@@/lib/libodbcinst.so @@LOCATION@@/lib/libodbcinst.so.1