some result
``` ~/code/guile-2.2 $ LDFLAGS=-Wl,-rpath LD_LIBRARY_PATH=./libguile/.libs gcc -pthread -I. -lguile-2.2 -lgc test.c ~/code/guile-2.2 $ ldd ./a.out linux-vdso.so.1 (0x00007ffc441a0000) libguile-2.2.so.1 => /usr/lib/libguile-2.2.so.1 (0x00007f3cfb519000) libgc.so.1 => /usr/lib/libgc.so.1 (0x00007f3cfb2af000) libpthread.so.0 => /usr/lib/libpthread.so.0 (0x00007f3cfb091000) libc.so.6 => /usr/lib/libc.so.6 (0x00007f3cfacd9000) libffi.so.6 => /usr/lib/libffi.so.6 (0x00007f3cfaad0000) libunistring.so.2 => /usr/lib/libunistring.so.2 (0x00007f3cfa75f000) libgmp.so.10 => /usr/lib/libgmp.so.10 (0x00007f3cfa4cc000) libltdl.so.7 => /usr/lib/libltdl.so.7 (0x00007f3cfa2c2000) libcrypt.so.1 => /usr/lib/libcrypt.so.1 (0x00007f3cfa08a000) libm.so.6 => /usr/lib/libm.so.6 (0x00007f3cf9d3e000) /lib64/ld-linux-x86-64.so.2 => /usr/lib64/ld-linux-x86-64.so.2 (0x00007f3cfba49000) libdl.so.2 => /usr/lib/libdl.so.2 (0x00007f3cf9b3a000) libatomic_ops.so.1 => /usr/lib/libatomic_ops.so.1 (0x00007f3cf9937000) ``` ------------------ Original ------------------ From: "Chaos Eternal"<eternalch...@shlug.org>; Date: Mon, Jan 22, 2018 12:58 PM To: "Nala Ginrut"<nalagin...@gmail.com>; Cc: "陶青云"<qingyun....@tophant.com>; "guile-devel"<guile-devel@gnu.org>; Subject: Re: Question: link to wrong library or try this LDFLAGS=-Wl,-rpath On Mon, Jan 22, 2018, 09:08 Nala Ginrut <nalagin...@gmail.com> wrote: I think you may need LD_LIBRARY_PATH 2018年1月21日 23:46,"陶青云" <qingyun....@tophant.com>写道: Hi. I'm new to guile. I compiled it from source without `make install`. I write a simple C file and use the flowing command to compile it. `gcc -pthread -I. -L ./libguile/.libs -lguile-2.2 -lgc test.c` it successed. but the a.out is always link to my system guile library. $ ldd ./a.out linux-vdso.so.1 (0x00007fffc259b000) libguile-2.2.so.1 => /usr/lib/libguile-2.2.so.1 (0x00007fa90f9fe000) libgc.so.1 => /usr/lib/libgc.so.1 (0x00007fa90f794000) even I do the flowing: $ cp libguile/.libs/libguile-2.2.so.1.3.0 libguile/.libs/libguile-2.5.so $ gcc -pthread -I. -L ./libguile/.libs -lguile-2.5 -lgc test.c # it successed $ ldd ./a.out linux-vdso.so.1 (0x00007ffd283e0000) libguile-2.2.so.1 => /usr/lib/libguile-2.2.so.1 (0x00007f83c71cc000) libgc.so.1 => /usr/lib/libgc.so.1 (0x00007f83c6f62000) Could someone give me some tips. Thanks.