Hello again,
I have the same problem after compiling for x86_64. Here is the output
if I try to compile scp_write.c from the examples:
*
**:~/path/to/libssh2-1.9.0/build_x86_64$ gcc -I install/include/ -I
example/ -L install/lib/ -l:libssh2.a ../example/scp_write.c **
**/usr/bin/ld: /tmp/ccdrFU90.o: in function `main':**
**scp_write.c:(.text+0xf1): undefined reference to `libssh2_init'**
**/usr/bin/ld: scp_write.c:(.text+0x24a): undefined reference to
`libssh2_session_init_ex'**
**/usr/bin/ld: scp_write.c:(.text+0x270): undefined reference to
`libssh2_session_handshake'**
**/usr/bin/ld: scp_write.c:(.text+0x2b2): undefined reference to
`libssh2_hostkey_hash'**
**/usr/bin/ld: scp_write.c:(.text+0x36f): undefined reference to
`libssh2_userauth_password_ex'**
**/usr/bin/ld: scp_write.c:(.text+0x3d1): undefined reference to
`libssh2_userauth_publickey_fromfile_ex'**
**/usr/bin/ld: scp_write.c:(.text+0x42d): undefined reference to
`libssh2_scp_send_ex'**
**/usr/bin/ld: scp_write.c:(.text+0x45d): undefined reference to
`libssh2_session_last_error'**
**/usr/bin/ld: scp_write.c:(.text+0x502): undefined reference to
`libssh2_channel_write_ex'**
**/usr/bin/ld: scp_write.c:(.text+0x579): undefined reference to
`libssh2_channel_send_eof'**
**/usr/bin/ld: scp_write.c:(.text+0x5a8): undefined reference to
`libssh2_channel_wait_eof'**
**/usr/bin/ld: scp_write.c:(.text+0x5d7): undefined reference to
`libssh2_channel_wait_closed'**
**/usr/bin/ld: scp_write.c:(.text+0x5e6): undefined reference to
`libssh2_channel_free'**
**/usr/bin/ld: scp_write.c:(.text+0x617): undefined reference to
`libssh2_session_disconnect_ex'**
**/usr/bin/ld: scp_write.c:(.text+0x623): undefined reference to
`libssh2_session_free'**
**/usr/bin/ld: scp_write.c:(.text+0x665): undefined reference to
`libssh2_exit'**
**collect2: error: ld returned 1 exit status*
Thanks,
S.
On 9/24/20 3:10 PM, Simone wrote:
> Hello,
>
> I have built libssh2 and its dependencies for aarch64, in such a way
> to link these libs as static into the final executable.
>
> So the dependencies compiled as static libraries are
>
> *libassuan.a
> libcrypto.a
> libgcrypt.a
> libgpg-error.a
> libksba.a
> libnpth.a
> libntbtls.a
> libssl.a
> libz.a*
>
> To test the static linkage I use the following minimal code:
>
> // libssh2_test.c
> #include <libssh2.h>
>
> int main(void)
> {
> LIBSSH2_SESSION *session;
> LIBSSH2_CHANNEL *channel;
>
> libssh2_init(0);
> session = libssh2_session_init();
>
> libssh2_session_free(session);
> libssh2_exit();
> return 0;
> }
>
> But when I try to compile, ld cannot find libssh2 symbols:
>
> *aarch64-linux-gnu-gcc -I ../third/include/ ../third/lib/libz.a
> ../third/lib/libnpth.a ../third/lib/libssl.a ../third/lib/libcrypto.a
> ../third/lib/libgpg-error.a ../third/lib/libksba.a
> ../third/lib/libgcrypt.a ../third/lib/libntbtls.a
> ../third/lib/libassuan.a ../third/lib/libssh2.a libssh2_test.c -o
> libssh2_test
> /opt/Xilinx/Vitis/2019.2/gnu/aarch64/lin/aarch64-linux/bin/../lib/gcc/aarch64-linux-gnu/8.2.0/../../../../aarch64-linux-gnu/bin/ld:
> /tmp/ccSuPNUb.o: in function `main':
> libssh2_test.c:(.text+0xc): undefined reference to `libssh2_init'
> /opt/Xilinx/Vitis/2019.2/gnu/aarch64/lin/aarch64-linux/bin/../lib/gcc/aarch64-linux-gnu/8.2.0/../../../../aarch64-linux-gnu/bin/ld:
> libssh2_test.c:(.text+0x20): undefined reference to
> `libssh2_session_init_ex'
> /opt/Xilinx/Vitis/2019.2/gnu/aarch64/lin/aarch64-linux/bin/../lib/gcc/aarch64-linux-gnu/8.2.0/../../../../aarch64-linux-gnu/bin/ld:
> libssh2_test.c:(.text+0x2c): undefined reference to `libssh2_session_free'
> /opt/Xilinx/Vitis/2019.2/gnu/aarch64/lin/aarch64-linux/bin/../lib/gcc/aarch64-linux-gnu/8.2.0/../../../../aarch64-linux-gnu/bin/ld:
> libssh2_test.c:(.text+0x30): undefined reference to `libssh2_exit'
> collect2: error: ld returned 1 exit status*
>
> Of course these functions are defined in libssh2.h.
> libssh2 has been compiled using the following script:
>
> *#!/bin/sh
>
> host=aarch64
> target=aarch64-linux-gnu
> cc=${target}-gcc
> cpp=${target}-g++
> ar=${target}-ar
> cross_path=/opt/Xilinx/Vitis/2019.2/gnu/aarch64/lin/aarch64-linux/bin
>
> install_prefix=${PWD}/../../../third/
>
> ../configure --prefix=${install_prefix} \
> --host=${host} \
> CC=${cross_path}/${cc} \
> CXX=${cross_path}/${cpp} \
> --with-gnu-ld \
> --with-libgpg-error-prefix=${install_prefix} \
> --with-crypto=auto \
> --with-libgcrypt-prefix=${install_prefix} \
> --with-libssl-prefix=${install_prefix} \
> --enable-static \
> --enable-shared
>
> if [ $? -eq 0 ]; then
> make -j 32
> make install
> fi*
>
> Could someone suggest what I have done wrong ?
> Thanks.
> S.
>
>
> _______________________________________________
> libssh2-devel https://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel
_______________________________________________
libssh2-devel https://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel
Received on 2020-09-24