various cleanups

packages/toolchain/math/gmp/10_cross-compile.diff

@@ -1,27 +0,0 @@
-diff -Naur gmp-4.2.3.orig/configure gmp-4.2.3/configure
---- gmp-4.2.3.orig/configure	2008-08-05 13:56:41.000000000 +0200
-+++ gmp-4.2.3/configure	2008-08-05 13:57:06.000000000 +0200
-@@ -1584,22 +1584,7 @@
- 
- 
- 
--# If --target is not used then $target_alias is empty, but if say
--# "./configure athlon-pc-freebsd3.5" is used, then all three of
--# $build_alias, $host_alias and $target_alias are set to
--# "athlon-pc-freebsd3.5".
--#
--if test -n "$target_alias" && test "$target_alias" != "$host_alias"; then
--  { { echo "$as_me:$LINENO: error: --target is not appropriate for GMP
--Use --build=CPU-VENDOR-OS if you need to specify your CPU and/or system
--explicitly.  Use --host if cross-compiling (see \"Installing GMP\" in the
--manual for more on this)." >&5
--echo "$as_me: error: --target is not appropriate for GMP
--Use --build=CPU-VENDOR-OS if you need to specify your CPU and/or system
--explicitly.  Use --host if cross-compiling (see \"Installing GMP\" in the
--manual for more on this)." >&2;}
--   { (exit 1); exit 1; }; }
--fi
-+
- 
- gmp_configm4="config.m4"
- gmp_tmpconfigm4=cnfm4.tmp