On Thu, Sep 6, 2018 at 8:43 AM Rob Landley <[email protected]> wrote: > > On 09/03/2018 11:54 AM, Rob Landley wrote: > >> __android_log_write is in the NDK. > > > > I'll upgrade the version and try it again. > > Ok, installed android-ndk-r18-beta2 with > > build/tools/make_standalone_toolchain.py --arch=x86_64 --api 28 \ > --stl=libc++ --install-dir=$(readlink -f ~/android/x86_64) > > then > > LDFLAGS=--static CROSS_COMPILE=~/android/x86_64/bin/llvm- \ > make distclean defconfig > > and > > LDFLAGS=--static CROSS_COMPILE=~/android/x86_64/bin/llvm- make > > Getconfig still died because > > ./generated/getconf.h:5:1: error: use of undeclared identifier '_CS_PATH' > _CS_PATH,_CS_V7_ENV > ^ > ./generated/getconf.h:5:10: error: use of undeclared identifier '_CS_V7_ENV' > _CS_PATH,_CS_V7_ENV > ^ > toys/posix/getconf.c:139:9: error: implicit declaration of function 'confstr' > is > invalid in C99 [-Werror,-Wimplicit-function-declaration] > confstr(confstr_vals[j], toybuf, sizeof(toybuf)); > > Ok, switch that off and rebuild (I should add a compile-time probe for > confstr),
(makes sense. i don't see us adding confstr(3) to Android any time soon.) > and... > > generated/obj/log.o:log.c:function log_main: error: undefined reference to > '__android_log_write' > > Your statement that this was in the NDK does not appear to be the case yet. at a guess, you're not linking liblog? the logging functions aren't in libc. > Ok, > switch off CONFIG_LOG and: > > lvm-strip: Unknown command line argument '-o'. Try: > '/home/landley/android/x86_64/bin/llvm-strip -help' > llvm-strip: Did you mean '-O'? > > The prefixed llvm-strip doesn't know the "-o" option specifying output file. we've had a lot of issues with llvm-strip, so you probably want to stick to the binutils one for now. > Hmmm... well, it isn't in posix-2008, I suppose they have a point. I can cp > and > then strip? > > $ ls -l toybox > -r-xr-xr-x 1 landley landley 4213840 Sep 5 14:47 toybox > $ ~/android/x86_64/bin/llvm-strip toybox > $ ls -l toybox > -rwxrwxr-x 1 landley landley 4215248 Sep 5 14:50 toybox > > Oh bravo, stripping it made it 2k _bigger_. How the... > > $ strip toybox > $ ls -l toybox > -rwxrwxr-x 1 landley landley 930944 Sep 5 14:52 toybox > > The host one knows how to strip it. And defconfig-ish build is still 930k. > With > glibc it's: > > $ ls -l toybox > -r-xr-xr-x 1 landley landley 1435128 Sep 5 14:59 toybox > > And with musl-libc it's: > > $ ls -l toybox > -r-xr-xr-x 1 landley landley 567240 Sep 5 15:02 toybox > > So that's sane I suppose... > > Rob _______________________________________________ Toybox mailing list [email protected] http://lists.landley.net/listinfo.cgi/toybox-landley.net
