[Bug 423412] Re: karmic alpha: grub2 core.img with mdraid & lvm too big to embed

[Felix Zielcke]

Am Donnerstag, den 03.09.2009, 14:17 +0000 schrieb Roland Dreier:
> Oh, by the way: it seems that the grub modules are built with -O2 --
> using -Os could possibly shave a few percent off, which would give a
> little bit bigger margin of safety in the future.
> 

You probable looked wrong.
For the utilities fs/ext2.c is compiled with -O2 but also with
-DGRUB_UTIL=1
For the module itself it's compiled with -Os
For example taken from the amd64 buildd log:

gcc -Ifs -I/build/buildd/grub2-1.97~beta1/fs -I. -I./include
-I/build/buildd/grub2-1.97~beta1/include -Wall -W  -Wall -W -Wshadow
-Wpointer-arith -Wmissing-prototypes                  -Wundef
-Wstrict-prototypes -g -Os -falign-jumps=1 -falign-loops=1
-falign-functions=1 -m32 -fno-stack-protector -fno-builtin -m32 -MD -c
-o ext2_mod-fs_ext2.o /build/buildd/grub2-1.97~beta1/fs/ext2.c

-- 
Felix Zielcke
Proud Debian Maintainer

-- 
karmic alpha: grub2 core.img with mdraid & lvm too big to embed
https://bugs.launchpad.net/bugs/423412
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