On Tuesday, February 14, 2017 8:00:26 AM CET Nikos Mavrogiannopoulos wrote: > On Mon, Feb 13, 2017 at 7:57 AM, Nikos Mavrogiannopoulos > > <n.mavrogiannopou...@gmail.com> wrote: > >> It turned out that if libunistring is linked, this extra code is still > >> added to libidn2, just blowing up the size without any advantage. Simon > >> and I didn't have (fast) solution to that, so we commented the extra > >> gnulib modules in bootstrap.conf. > > > > Interesting, that would affect gnutls as well since it is also using > > libunistring that way. > > Actually it doesn't. I had made a separate library with unistring > which was only being included if libunistring was not available. I > attempted to do something similar for libidn2 at: > https://gitlab.com/jas/libidn2/merge_requests > > Note however that in libidn2 you had two states. Have libunistring > available with uc_joining_type imported from a local copy from > unistring (latest), and have libunistring containing everything. For > the simplicity of the fix above, I've switched to have a sufficiently > new libunistring, vs have no libunistring. That means of course that > the newer (and bigger) libunistring will enter on systems without > 0.9.6.
Libidn2 is built with libtool which uses the linker flag --whole-archive for libgnu.a: libtool: link: gcc -shared -fPIC -DPIC .libs/idna.o .libs/decode.o .libs/ lookup.o .libs/register.o .libs/bidi.o .libs/version.o .libs/error.o .libs/ punycode.o .libs/free.o .libs/data.o .libs/tr46map.o .libs/tables.o .libs/ context.o -Wl,--whole-archive lib/.libs/libgnu.a -Wl,--no-whole-archive - lunistring -g -Wl,--version-script=./idn2.map -Wl,-soname -Wl,libidn2.so.0 -o .libs/libidn2.so.0.1.5 This adds everything from libgnu.a to libidn2.so.0.1.5, if needed or not. The issue is gone when removing --whole-archive. Everything links fine and the tests work. But I have no clue how to tell libtool that it should not use -- whole-archive. Any idea ? The issue could be solved either in gnulib (not adding unneeded stuff to libgnu.a) or libtool (not using --whole-archive). Regards, Tim
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