On 10/20/2012 08:54 AM, David Snider wrote:
|I'm trying to make a C FFI that returns the SHA256 of a string and this is
what I get when I try to compile with my library added:
david@ubuntu:~/Projects/UrShop$ urweb urshop
/usr/bin/ld: /usr/local/lib/liburweb.so: undefined reference to symbol
'SHA256_Init@@OPENSSL_1.0.0'
/usr/bin/ld: note: 'SHA256_Init@@OPENSSL_1.0.0' is defined in DSO
/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../x86_64-linux-gnu/libcrypto.so so try
adding it to the linker command line
/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../x86_64-linux-gnu/libcrypto.so: could
not read symbols: Invalid operation
collect2: ld returned 1 exit status
What step am I missing?|
Run 'urweb' with the '-debug' option and then tweak the gcc command
lines it uses until they work. Once you figure out what was wrong, I
can comment on the right way to get 'urweb' itself to use different
command lines.
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