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LLVM has its own nuts warnings about things that aren't wrong, but disabling
them with the relevant -Wno-* warning disabling command line option drives
gcc nuts because it's a command line option it doesn't recognize. (gcc 4.2.1
dies with an error. gcc 4.6 warns about it _only_ if it's warning about
something else. (PICK ONE, either you warn about this or you don't, distract
people from actual problems with noise about something clearly unrelated to
what just changed is extra-stupid.)
So just probe for it, and add the flag only if it doesn't complain about it
while we're producing an unrelated warning.
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switched on.
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macros for a disabled command (needed when multiple commands share infrastructure with a common set of flags).
This means the flag space is no longer packed, but leaves gaps where the zeroes
go. (Actual flag bit positions are the same for all configs.) Since the
option parsing needs to know where the holes are, the OPTSTR values are
now generated as part of flags.h with ascii 1 values for the disabled values.
(So generated/oldflags.h went away.)
This also means that the option string argument for OLDTOY() went away, it now
uses the same arguments as the NEWTOY() it references.
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'traceroute' keep swapping places. self-inflicted, yes, but not much i
can do about it :-(
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including that. (Worked until I did a "make clean".)
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(it also adds a feature, -R, because toybox makes that so easy.)
you'll probably want fancier configuration here because although the
--as-needed works okay, a typical Ubuntu box will have the .so but not
the .h files. i did consider adding a toys/selinux/ directory, but
given that existing tools like ls and id will want -Z SELinux options,
i wasn't sure whether you'd think it was worth segregating the
SELinux-only toys.
note that this won't help the tizen smack users (and patch for smack
won't help SELinux users). so you might want to think about where
you'd like us to be aiming: #if USE_SELINUX/USE_SMACK in all the
relevant places, or a toys/selinux and a toys/smack (though we'd still
need #if in at least ls and id), or a lib/security.c that concentrates
all the differences into one file?
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to finish before exiting.)
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ones (in the "change" subdirectory), and tweak scripts/make.sh to avoid redundant work when rebuilding.
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just remove the "generated" directory entirely.
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try to keep large SMP machines busy (each compiler invocation is short so they exit almost as fast as we launch them).
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the toybox_unstripped binary using the existing generated/*.h files.
This way we can snapshot the generated/*.{h,sh} from a defconfig build into
a "shipped" directory or something, and then people can maybe build on crazy
crippled environments like pcbsd that haven't got gmake and put bash under
/usr/local so none of the #!/scripts can find it. This solves at least
part of the "toybox can build with itself but you need to build toybox first
to have the tools to run the build scripts" problem.
Next up: work out the minimal config to provide the build tools needed
to run an actual build. (This should, eventually, include a "make" command
if freebsd's kernel is going to refuse to build with netbsd's "make" and
we don't just write off the whole thing as crazy. But it probably shouldn't
include commands that #include <linux/*.h> if we are trying to make that work.)
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Clearing out old .o files needs -r now that generated/obj has its own subdirectory. (Works if you make clean between, but shouldn't need it.)
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PIPEFAIL for better error reporting, and simpler regex to select toys/*/*.c list based on NEWTOY/OLDTOY macros.
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echo prints a newline if it has nothing to print, so wc -l always returns at least 1. Fix: echo -n
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echo "$PENDING" needs the quotes to avoid gluing the lines together, which
prevents wc -l or head -n +2 from working right.
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$LDOPTIMIZE.
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the host can be screwed up by more than one environment variable.
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jobs -p removes finished jobs from the list after reporting them once,
so we need to record the output and remove duplicates ourselves.
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another number to override processor count autodetect.)
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broken build environments that provide different libraries for --static and dynamic builds.
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string.
You shouldn't use "" as an option string because a NULL allows toy_init()
to avoid calling the option parsing logic entirely, which lets it drop out
when nothing's using it (ala scripts/single.sh builds). That said, init.c
is currently using a "" option string and a USE_ macro taking advantage
of string concatenation may require a "" option config, so...
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present (even for commands disabled in the config) to avoid undefined symbol errors referencing FLAG_ macros.
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entirely.
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This should actually generate FLAG_longopt 0 #defines for disabled bare
longopts (ala ls without --color). Put temporary executables under "generated"
(including instlist for install).
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generator in C.
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Alas, you can't quite do this yet:
make defconfig
make
for i in $(./toybox)
do
echo $i
PREFIX=singles/ scripts/single.sh $i || break
done
Because the OLDTOY() aliases for commands won't build without the base command.
And I can't just skip them because chown/chmod or mv/cp aren't the same thing.
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so you python2 binary until finishing the C rewrite.
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the indexes off. Reported by Ashwini Sharma.
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order by default. Make it stop.
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Teach make.sh to emit "#define FLAG_x 0" for options inside disabled USE macros so we can unconditionally refer to them.
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FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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