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stuff along the way.
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(with O=directory), and reverting them fixes building out of tree. I'd be
happy to fix them up instead of reverting them if I had the foggiest idea
what they were trying to do, but I don't, and this at least gets building
out of tree working again...
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as the old optimization did (actually does slightly better under gcc 4.0), and
simplifies the code.
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usage
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the lib (due to bug in gcc; see comment.)
I would have run the testsuite to check if everything is still behaving, but
unfortunately i cannot run the testsuite anymore: it just sits there and does
nothing even with a pristine checkout and an old gcc.
srcdir=/tmp/busybox/testsuite /tmp/busybox/testsuite/runtest
PASS: Applet order
FAIL: Common typos
PASS: Obsolete function usage
PASS: Obsolete function usage
<spins, ^C>
make[1]: *** [check] Interrupt
make: *** [check] Interrupt
I've just corrected that wrong double-printing.
Anyway. with gcc-4.1-HEAD from earlier today, we now have for
defconfig+ COMPILE_AT_ONCE:
880 -rwxr-xr-x 1 433 433 893476 Apr 28 21:41 busybox.oorig-4.0
860 -rwxr-xr-x 1 433 433 874560 Apr 28 21:36 busybox.oorig
844 -rwxr-xr-x 1 433 433 858752 Apr 28 21:49 busybox
text data bss dec hex filename
879920 11568 1039148 1930636 1d758c busybox.oorig-4.0
862802 10192 1038796 1911790 1d2bee busybox.oorig
848066 9100 1037536 1894702 1ce92e busybox
values for 4.0.2 just added for reference..
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* Makefile: Build a bFLT binary.
* Rules.mak: Ditto.
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$(srcdir) can't bind early since it's set to a different value in each subdir.
If it binds early, it's blank, hence an empty -I which eats the next option
as a directory to look for #include files in.
So CFLAGS has to bind late, but the check_gcc stuff should only get run once.
I added a "make V=2" mode to show when check_gcc gets run, and turned WARNINGS
into a CFLAGS line since it was always getting added anyway.
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check_gcc over and over again. Makes make -j work for me..
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e.g. archival/uncompress.c wrongly includes libbb.h instead of busybox.h
decompress_bunzip2.c,open_transformer.c don't include the proper "unarchive.h"
etc, etc.
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CFLAGS=-I/usr/some/funky/path/to/selinux \
LDFLAGS=-L/usr/some/funky/path/to/selinux make
So Jan Kiszka reverted part of the selinux patch.
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located at its default location, this patch allows to override the path via
SELINUX_INC and SELINUX_LIB when invoking make.
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specify whether or not to strip the binary.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25795
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version of make (3.71.1).
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Should revisit gcc >= 4.1 with that =1 later on
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be falign=1. Saves a little over 3k on an x86 "make defconfig" build.
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- don't overwrite objects in the archive. Affected applets with name-clash
mostly vs. libbb:
iplink_main
iproute_main
iptunnel_main
login_main
run_parts_main
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- use less resources for the buildsystem itself
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Very unreliable as e.g the ld check will see the flags supported by each emulation, not just the active one.
good enough for now..
Fix would be to crate one or more dummy .c files and accually try if a flag
works.
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- IMA compilation option (aka IPO, IPA,..)
Please holler if i broke something..
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- add CC_MAJOR and CC_MINOR variables. (gcc centric for now)
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to deal with all the new gcc 4.0.2 warnings from.
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need to include .config file before setting CROSS otherwise
TARGET_ARCH isnt set properly
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- add some filesystem operation wrapper variables for use in the makefiles and
pull them in early in the toplevel makefile
- use the cross-toolchain for "make sizes"
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to test, checkout the source (let's assume /scratch/src/busybox), then
mkdir /tmp/bb ; cd /tmp/bb
make top_srcdir=/scratch/src/busybox O="$(pwd)" -f /scratch/src/busybox/Makefile allyesconfig check
- default to O=$(pwd) if no O was specified. Now you can just specify
the top_srcdir (without O=/somewhere) to create the obj-tree in pwd.
- make "make configtarget buildtarget" work. Previously this didn't
work due to how HAVE_DOT_CONFIG was evaluated. Two separate steps were
needed before, e.g. make config ; make busybox.
- remove some unneeded variables from Rules.mak (BB_SRC_DIR from Mr.
ldoolitt@recycle.lbl) which suggest that the stuff fixed above
didn't work before.
- move selinux libraries to where they belong (from Makefile to Rules.mak)
- update the docs to mention svn instead of cvs and provide an example
for building out-of-tree in INSTALL.
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