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- we already depend on sed, so do away with tr. Avoids pulling in yet another
dependency.
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- rename check_gcc to check_cc and pass the CC to use as arg#1; peruse check_cc for HOSTCFLAGS
- add and use check_strip
- add checks for {,no-}whole-archive and {start,end}-group LD flags
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- flag .depend as .NOTPARALLEL to workaround bug in make-3.80 and make-3.81
Some more details on the second workaround (i.e. kludge):
make-3.80 silently fails, while make-3.81 is at least self-conscious enough to
admit:
include/usage_compressed.h: .config scripts/usage
# Implicit rule search has not been done.
# File does not exist.
# File has not been updated.
# Dependencies commands running (THIS IS A BUG).
# commands to execute (from `/home/cow/src/bb2/Makefile', line 430):
$(Q)$(SHELL) $(top_srcdir)/scripts/usage_compressed "$(top_builddir)/scripts" > $@
I'm giving up on trying to run the rest of the prerequisites of .depend in
parallel and just (try to) indicate that the prerequisites of .depend are
not to be run in parallel.
While this makes `make distclean defconfig;make -j´ work for me, it is not a
real -- longterm -- solution; FIXME
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allyesconfig, allnoconfig, defconfig, allbareconfig
- fix invalid call to "make"; use $(MAKE) instead.
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Development:
bloatcheck - show size difference between busybox_unstripped
/bin/sh: -c: line 0: unexpected EOF while looking for matching `''
/bin/sh: -c: line 1: syntax error: unexpected end of file
make[1]: *** [help] Error 2
make: *** [help] Error 2
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busybox_unstripped to busybox_old, build a new version, and "make bloatcheck"
to see a detailed breakdown of the size difference.
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tree doesn't change that.
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Currently we have these errors:
./modutils/Config.in: No helptext for 'CONFIG_FEATURE_QUERY_MODULE_INTERFACE'
./networking/Config.in: No helptext for 'CONFIG_IPADDR'
./networking/Config.in: No helptext for 'CONFIG_IPLINK'
./networking/Config.in: No helptext for 'CONFIG_IPROUTE'
./networking/Config.in: No helptext for 'CONFIG_IPTUNNEL'
./coreutils/Config.in: No helptext for 'CONFIG_UNIX2DOS'
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usage
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the sizes of the individual object files.
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* Makefile: Build a bFLT binary.
* Rules.mak: Ditto.
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I encountered a little typo in 'make help' : the prefix was
noted "$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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