[openssl-dev] Testing i686 build on x86_64

[Richard Levitte]

In message <CAH8yC8kzkonNxgk2RoJEEQwheM3RynuxQkm9gUrv-hJZqi04ow at mail.gmail.com> on Fri, 1 Apr 2016 17:59:13 -0400, Jeffrey Walton <noloader at gmail.com> said:

noloader> Hi Everyone,
noloader> 
noloader> I'm working from Master, and testing an i686 build on x86_64. Is
noloader> building for i686 on x86_64 a supported configuration?
noloader> 
noloader> If so, I'm not sure what to make of this. Does this require a
noloader> full-blown cross-compile? (I feel like adding `-m32` is the wrong
noloader> thing to do because the configuration script is supposed to take care
noloader> of those details).
noloader> 
noloader> Jeff
noloader> 
noloader>     # x86_64 host
noloader>     $ MACHINE=i686 ./config
noloader>     Operating system: i686-whatever-linux2
noloader>     Configuring for linux-elf
noloader>     ...
noloader>     $ make
noloader>     ...
noloader> 
noloader> gcc -DDSO_DLFCN -DHAVE_DLFCN_H -DNDEBUG -DOPENSSL_THREADS
noloader> -DOPENSSL_NO_DYNAMIC_ENGINE -DOPENSSL_PIC -DOPENSSL_BN_ASM_PART_WORDS
noloader> -DOPENSSL_IA32_SSE2 -DOPENSSL_BN_ASM_MONT -DOPENSSL_BN_ASM_GF2m
noloader> -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DMD5_ASM -DRMD160_ASM -DAES_ASM
noloader> -DVPAES_ASM -DWHIRLPOOL_ASM -DGHASH_ASM -DECP_NISTZ256_ASM
noloader> -DPOLY1305_ASM -DOPENSSLDIR="\"/usr/local/ssl\""
noloader> -DENGINESDIR="\"/usr/local/lib/engines\"" -Wall -O3 -pthread
noloader> -DL_ENDIAN -fomit-frame-pointer  -Wa,--noexecstack -fPIC -Iinclude -I.
noloader> -Icrypto/include -MMD -MF crypto/aes/aesni-x86.d.tmp -MT
noloader> crypto/aes/aesni-x86.o -c -o crypto/aes/aesni-x86.o
noloader> crypto/aes/aesni-x86.s
noloader> crypto/aes/aesni-x86.s: Assembler messages:
noloader> crypto/aes/aesni-x86.s:364: Error: invalid instruction suffix for `push'
noloader> crypto/aes/aesni-x86.s:365: Error: invalid instruction suffix for `push'
noloader> crypto/aes/aesni-x86.s:366: Error: invalid instruction suffix for `push'
noloader> ...

Just for the sake of the experiment, how about trying this?

$ MACHINE=i686 ./config -m32

It may be that we need to add -m32 to the linux-elf config...

Cheers,
Richard

-- 
Richard Levitte         levitte at openssl.org
OpenSSL Project         http://www.openssl.org/~levitte/