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usage
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the sizes of the individual object files.
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* Makefile: Build a bFLT binary.
* Rules.mak: Ditto.
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I encountered a little typo in 'make help' : the prefix was
noted "$prefix" instead of "$(PREFIX)".
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defconfig first), and group busybox administrative settings into a sub-menu.
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lots of finds doing individual -exec rm.
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version of make (3.71.1).
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- no order-only prerequisites; incomplete workaround (see comment in diff)
- no internal variable MAKEFILE_LIST; workaround
- define bar\nfoo:=<long-list> doesn't work; workaround
also:
- reinstate clean, distclean as noconfig_target.
- unconditionally clean libbusybox.so*
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landley, that one broke your tar-testing (see below).
To see the issue i was talking about in the comment to rev. 14431, remove the
'P' from ARFLAGS in Rules.mak, then recompile.
You will see undefined references to these symbols:
iplink_main
iproute_main
iptunnel_main
login_main
run_parts_main
These are due to the fact that these applets (named e.g. login.o) clash with
libbb/login.o, for example. So ar sees that we're going to add login.o
(the applet!) and does so. Later on, we add libbb/login.o (just the basename
is used, so login.o). and this libbb/login.o *replaces* the login.o (the
applet!).
I therefor want (you) to rename abovementioned files from libbb to have
a prefix bb_ (e.g. svn mv libbb/login.c libbb/bb_login.c) to avoid these
clashed.
ok?
TIA,
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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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remove residue of old defconfig and tweak "make with no config" to run
defconfig before bringing up menuconfig.
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For each CONFIG_SYMBOL, include/bb_config.h now has both ENABLE_SYMBOL
and USE_SYMBOL(x). ENABLE_SYMBOL is still always defined (1 or 0) so that
if(ENABLE) should optimize out when it's zero. The USE_SYMBOL(X) will only
splice in X if the symbol is defined, otherwise it'll be empty.
Thus we can convert this:
#ifdef CONFIG_ARGS
opt = bb_getopt_ulflags(argc, argv, "ab:c"
#ifdef CONFIG_THINGY
"d:"
#endif
, &bvalue
#ifdef CONFIG_THINGY
, &thingy
#endif
);
#endif
into this:
if (ENABLE_ARGS) {
opt = bb_getopt_ulflags(argc, argv, "ab:c" USE_THINGY("d:"), &bvalue
USE_THINGY(, &thingy));
}
And it should produce the same code.
Unlike the old versions in include/_usage.h, the new USE_SYMBOL(x) can handle
commas in its arguments (as shown above). (The _usage.h file is obsolete and
no longer generated.)
Nobody should need to include config.h directly anymore, bb_config.h should
define all the configuration stuff we need. Someday, the CONFIG_SYMBOL
versions should go away in favor of ENABLE_SYMBOL and USE_SYMBOL().
Thanks to vodz for the new version of bb_mkdep.c that works with function
macros.
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the "maximum sane configuration" shouldn't have. (Explicit MTAB support in
mount, which you should only need if you have no /proc, and FEATURE_CLEAN_UP,
which exists to humor valgrind and otherwise just bloats the code).
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back into allyesconfig. (Memo: apparently SELINUX doesn't compile anymore.)
Make defconfig shouldn't switch on libbusybox.so, but allyesconfig does.
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symbol (switched on to remove now: test your apps to make sure they _don't_
do this, because as some point we should just yank it), fixup head/tail/fold.
Also tweak "make allyesconfig" so anything starting with CONFIG_DEBUG gets
left switched off. Possibly other things we want to put in the debug menu?
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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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- Fix regex for allyesconfig.
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The user ought to explicitely request this.
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- use shorter boilerplate while at it.
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(Busybox should not be system dependent enough to have different default
configurations for different platforms. We're not a kernel.)
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- IMA compilation option (aka IPO, IPA,..)
Please holler if i broke something..
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use the FEATURE notation and noone will update it to use it.
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the attached patch makes applet list in busybox.links
correctly include tr and watchdog.
Currently, they don't appear because they are prefixed
with ENABLE_ in include/applets.h
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tree forever. Tweaked the docs a bit.)
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it's going to be used. (I'm guessing it doesn't work with newlib.)
The other one is from me: allyesconfig shouldn't enable devfs because that
changes all sorts of unrelated stuff (like /dev/loop0->dev/loop/0), which
can come as a bit of a surprise. (It's still there, but you have to go into
menuconfig and select it manually.)
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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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My recent Makefile touch-up assures that make O=/tmp/o PREFIX=/tmp/i install
works as expected without this ugly workaround.
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oldconfig.
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Rob wanted to have regression tests if a bug crops up. Here you are wrt find :)
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