Date: Thu, 22 Dec 2011 15:22:23 +0700 From: Alexey Dokuchaev <danfe@....ru> To: john-users@...ts.openwall.com Subject: 1.7.9-jumbo5 fails to build with OMPFLAGS = -fopenmp -msse2 Hi there, I was trying to build OpenMP-enabled JtR on FreeBSD 8.2 and commented out "OMPFLAGS = -fopenmp -msse2" line in Makefile, but john could not be linked because of some missing symbols: DES_fmt.o(.text+0xf1): In function `get_key': : undefined reference to `DES_bs_all' DES_fmt.o(.data+0x78): undefined reference to `DES_bs_crypt_25' DES_bs.o(.text+0xd): In function `DES_bs_set_key': : undefined reference to `DES_bs_all' DES_bs.o(.text+0x13): In function `DES_bs_set_key': : undefined reference to `DES_bs_all' DES_bs.o(.text+0xe1): In function `DES_bs_set_key_LM': It turns out that with -msse2 in ASFLAGS, x86-sse.o lacks those functions, per "nm x86-sse.o" for example: 00000000 d const_init_a 00000010 d const_init_b 00000020 d const_init_c 00000030 d const_init_d 00000040 d const_stage2 00000050 d const_stage3 U nt_buffer1x U nt_buffer4x 00000000 T nt_crypt_all_sse2 U output1x U output4x When I remove -msse2 from OMPFLAGS (and thus ASFLAGS), all DES_* symbols are there (output is too long to list here, "nm x86-sse.o | wc -l" yields 42). This behavior is consistent between GCC 4.2 and 4.4. Why does it happen? Does it mean that "OMPFLAGS = -fopenmp -msse2" case is broken, or I am missing something obvious here? Thanks, ./danfe
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