LZMA rom_stream.o code too large when compiled with GCC 4.1.0

[Richard Smith]

>
> Switching the compiler optimization option from -Os to -O0 (no optimization) shrinks rom_stream.o
> size, making it fit appropriately.
>

Marcleo:  I upgraded my gcc on another machine.

rsmith at backup:~/projects/olpc/buildrom$ gcc -v
Using built-in specs.
Target: i486-linux-gnu
Configured with: ../src/configure -v
--enable-languages=c,c++,fortran,objc,obj-c++,treelang --prefix=/usr
--enable-shared --with-system-zlib --libexecdir=/usr/lib
--without-included-gettext --enable-threads=posix --enable-nls
--program-suffix=-4.1 --enable-__cxa_atexit --enable-clocale=gnu
--enable-libstdcxx-debug --enable-mpfr --with-tune=i686
--enable-checking=release i486-linux-gnu
Thread model: posix
gcc version 4.1.2 20060901 (prerelease) (Debian 4.1.1-13)

-DLINUXBIOS_COMPILER='"gcc version 4.1.2 20060901 (prerelease) (Debian
4.1.1-13)"'
-DLINUXBIOS_LINKER='"GNU ld version 2.17 Debian GNU/Linux"'
-DLINUXBIOS_ASSEMBLER='"GNU assembler version 2.17 (i486-linux-gnu)
using BFD version 2.17 Debian GNU/Linux"'

HOSTCFLAGS:= -Os -Wall

   text    data     bss     dec     hex filename
   3230       8       4    3242     caa ./rom_stream.o

Builds fine for me.

Does RedHat have some really aggressive optimization enabled?
Perhaps upgrade to 4.1.2 and try?

-- 
Richard A. Smith