100 lines
3.9 KiB
Text
100 lines
3.9 KiB
Text
* System libcrypto.dylib and libssl.dylib are used by system ld on MacOS X.
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NOTE: The problem described here only applies when OpenSSL isn't built
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with shared library support (i.e. without the "shared" configuration
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option). If you build with shared library support, you will have no
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problems as long as you set up DYLD_LIBRARY_PATH properly at all times.
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This is really a misfeature in ld, which seems to look for .dylib libraries
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along the whole library path before it bothers looking for .a libraries. This
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means that -L switches won't matter unless OpenSSL is built with shared
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library support.
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The workaround may be to change the following lines in apps/Makefile.ssl and
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test/Makefile.ssl:
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LIBCRYPTO=-L.. -lcrypto
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LIBSSL=-L.. -lssl
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to:
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LIBCRYPTO=../libcrypto.a
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LIBSSL=../libssl.a
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It's possible that something similar is needed for shared library support
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as well. That hasn't been well tested yet.
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Another solution that many seem to recommend is to move the libraries
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/usr/lib/libcrypto.0.9.dylib, /usr/lib/libssl.0.9.dylib to a different
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directory, build and install OpenSSL and anything that depends on your
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build, then move libcrypto.0.9.dylib and libssl.0.9.dylib back to their
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original places. Note that the version numbers on those two libraries
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may differ on your machine.
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As long as Apple doesn't fix the problem with ld, this problem building
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OpenSSL will remain as is.
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* Parallell make leads to errors
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While running tests, running a parallell make is a bad idea. Many test
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scripts use the same name for output and input files, which means different
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will interfere with each other and lead to test failure.
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The solution is simple for now: don't run parallell make when testing.
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* Bugs in gcc 3.0 triggered
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According to a problem report, there are bugs in gcc 3.0 that are
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triggered by some of the code in OpenSSL, more specifically in
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PEM_get_EVP_CIPHER_INFO(). The triggering code is the following:
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header+=11;
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if (*header != '4') return(0); header++;
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if (*header != ',') return(0); header++;
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What happens is that gcc might optimize a little too agressively, and
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you end up with an extra incrementation when *header != '4'.
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We recommend that you upgrade gcc to as high a 3.x version as you can.
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* solaris64-sparcv9-cc SHA-1 performance with WorkShop 6 compiler.
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As subject suggests SHA-1 might perform poorly (4 times slower)
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if compiled with WorkShop 6 compiler and -xarch=v9. The cause for
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this seems to be the fact that compiler emits multiplication to
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perform shift operations:-( To work the problem around configure
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with './Configure solaris64-sparcv9-cc -DMD32_REG_T=int'.
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* Problems with hp-parisc2-cc target when used with "no-asm" flag
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When using the hp-parisc2-cc target, wrong bignum code is generated.
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This is due to the SIXTY_FOUR_BIT build being compiled with the +O3
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aggressive optimization.
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The problem manifests itself by the BN_kronecker test hanging in an
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endless loop. Reason: the BN_kronecker test calls BN_generate_prime()
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which itself hangs. The reason could be tracked down to the bn_mul_comba8()
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function in bn_asm.c. At some occasions the higher 32bit value of r[7]
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is off by 1 (meaning: calculated=shouldbe+1). Further analysis failed,
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as no debugger support possible at +O3 and additional fprintf()'s
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introduced fixed the bug, therefore it is most likely a bug in the
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optimizer.
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The bug was found in the BN_kronecker test but may also lead to
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failures in other parts of the code.
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(See Ticket #426.)
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Workaround: modify the target to +O2 when building with no-asm.
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* Poor support for AIX shared builds.
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do_aix-shared rule is not flexible enough to parameterize through a
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config-line. './Configure aix43-cc shared' is working, but not
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'./Configure aix64-gcc shared'. In latter case make fails to create shared
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libraries. It's possible to build 64-bit shared libraries by running
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'env OBJECT_MODE=64 make', but we need more elegant solution. Preferably one
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supporting even gcc shared builds. See RT#463 for background information.
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