Do not strip exception handlers; bloats binaries.

This is a temporary solution to allow exceptions
happening while waiting for some resolution at
rust-lang/rust#17886

Author: farcaller

Rakefile

@@ -181,6 +181,6 @@ when 'stm32f4'
   task :build_all => [:build_blink_stm32f4]
 when 'stm32l1'
   task :build_all => [:build_blink_stm32l1]
-else
-  task :build_all => [:build_empty, :build_blink]
+when 'lpc17xx'
+  task :build_all => [:build_empty, :build_blink, :build_uart, :build_dht22]
 end

support/rake.rb

@@ -94,7 +94,7 @@ def compile_rust(n, h)
        "#{search_paths} #{codegen} " +
        "#{outflags} #{ignore_warnings} #{rust_src} #{fail_wrap}"
     if File.extname(t.name) == '.o' && !should_fail
-      sh "#{:strip.in_toolchain} -N rust_stack_exhausted -N rust_begin_unwind " +
+      sh "#{:strip.in_toolchain} -N rust_stack_exhausted " +
          "-N rust_eh_personality #{t.name}"
     end
   end