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Hello,
I am following tschmelcher written guide "sshd-guide". http://forum.niosforum.com/forum/index.php?showtopic=3252 (http://forum.niosforum.com/forum/index.php?showtopic=3252) In the first step: 1. I downloaded the openssl-0.9.7e.tar.gz file to ~/download 2. build with "make" command. it gave following error: ********************************************************************** make[1]: Entering directory `/home/goutam/buildroot/build_nios2/openssl-0.9.7e' libs='-L. '; for i in crypto ssl; do if [ "crypto ssl" = "ssl" -a -n "" ]; then libs=" $libs"; fi; ( set -x; /home/goutam/buildroot/build_nios2/staging_dir/bin/nios2-linux-uclibc-gcc -shared -o lib$i.so.0.9.7 -Wl,-soname=lib$i.so.0.9.7 -Wl,-Bsymbolic -Wl,--whole-archive lib$i.a -Wl,--no-whole-archive $libs -L/home/goutam/buildroot/build_nios2/staging_dir/lib -lc ) || exit 1; libs="-l$i $libs"; done + /home/goutam/buildroot/build_nios2/staging_dir/bin/nios2-linux-uclibc-gcc -shared -o libcrypto.so.0.9.7 -Wl,-soname=libcrypto.so.0.9.7 -Wl,-Bsymbolic -Wl,--whole-archive libcrypto.a -Wl,--no-whole-archive -L. -L/home/goutam/buildroot/build_nios2/staging_dir/lib -lc nios2-linux-uclibc-gcc: unrecognized option `-shared' /home/goutam/buildroot/build_nios2/staging_dir/lib/gcc/nios2-linux-uclibc/3.4.6/../../../../nios2-linux-uclibc/lib/crt1.o(.text+0x10): In function `_start': : undefined reference to `main' /home/goutam/buildroot/build_nios2/staging_dir/lib/gcc/nios2-linux-uclibc/3.4.6/../../../../nios2-linux-uclibc/lib/crt1.o(.text+0x14): In function `_start': : undefined reference to `main' collect2: ld returned 1 exit status make[1]: *** [do_gnu-shared] Error 1 make[1]: Leaving directory `/home/goutam/buildroot/build_nios2/openssl-0.9.7e' make: *** [/home/goutam/buildroot/build_nios2/openssl-0.9.7e/apps/openssl] Error 2 ********************************************************************** Kindly, acknowledge the error and recovery of that error. thanks & regard, GoutamLink Copied
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I have prepared the compiled openssl lib and zlib, those are necessary for building ssh.
http://hungryhippo.jot.com/wikihome (http://hungryhippo.jot.com/wikihome) The key point is that there is no shared object, (ie DLL) in Nios2. So you have to disable or ignore anythings about shared. You have to modify buildroot/package/openssl/openssl.mk , To build static .a instead of shared .so.... . Look into tschmelcher's patches.- Mark as New
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The error does not matter because it is post building the libcrypto.a and the libssl.a. The error appears when applications for SSL are build which we do not need. The error happens because the Nios does not support shared libs.
If you want to compile without error make following lines a comment in openssl.mk file: $(OPENSSL_DIR)/apps/openssl: $(OPENSSL_DIR)/Makefile $(MAKE1) CC=$(TARGET_CC) -C $(OPENSSL_DIR) all # Work around openssl build bug to link libssl.a with libcrypto.a. # -rm $(OPENSSL_DIR)/libssl.a.*.*.* # $(MAKE1) CC=$(TARGET_CC) -C $(OPENSSL_DIR) do_linux-shared- Mark as New
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Hello nacide,
thanks for support and it works well. thanks & regard, Goutam
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