Matt Caswell wrote in <e3c0e393-4aea-edd2-ee88-476090bbe0c2@xxxxxxxxxxx>:
|On 17/10/2018 22:07, Steffen Nurpmeso wrote:
|>|
|>|This is definitely an environmental issue. I just installed an Alpine
|>|Linux VM. I got the above error consistently when using clang as the
|>|compiler (whether or not I added "-DOPENSSL_NO_ASYNC"). I got a
|>|successful build if I used gcc instead of clang.
|>|
|>|With clang I was able to build successfully after this:
|>|
|>|$ apk add clang-dev
|>
|> Well. I have reported that no-async alone does not disable
|> inclusion of (finally) stdatomic.h even though the build does not
|> need it.
|
|The async feature and the inclusion of stdatomic.h are entirely
|independent of each other. I would not expect no-async to disable the
|inclusion of stdatomic.h.
|
|The build does not *need* stdatomic.h, but you will get better
|performance if you do. The build is supposed to detect whether the
|compiler has support for it automatically and only include it if it
|does. It seems to me that the default Alpine clang package is slightly
|broken in this respect, in that it has the defines to indicate
|stdatomic.h support, but actually you need to install another package to
|get it.
|
|> If i add -DOPENSSL_NO_ASYNC on top of the no-async that
|> i have chosen, it builds fine.
|
|This bit I do not understand at all. It makes no sense to me - and I did
|not see it in my testing on Alpine. Are you sure you're not building
|with gcc in that build? It's the only thing I can think of. If that's
|not the case then I have no clue.
clang -I. -Icrypto/include -Iinclude -fPIC -pthread -m64 -Wa,--noexecstack -Qunused-arguments -Wall -O3 -DOPENSSL_USE_NODELETE -DL_ENDIAN -DOPENSSL_PIC -DOPENSSL_CPUID_OBJ -DOPENSSL_IA32_SSE2 -DOPENSSL_BN_ASM_MONT -DOPENSSL_BN_ASM_MONT5 -DOPENSSL_BN_ASM_GF2m -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DKECCAK1600_ASM -DRC4_ASM -DMD5_ASM -DAES_ASM -DVPAES_ASM -DBSAES_ASM -DGHASH_ASM -DECP_NISTZ256_ASM -DX25519_ASM -DPADLOCK_ASM -DPOLY1305_ASM -DOPENSSLDIR="\"/home/steffen/usr-essex-alpine-linux-x86_64/opt/.ossl-1.1.1/ssl\"" -DENGINESDIR="\"/home/steffen/usr-essex-alpine-linux-x86_64/opt/.ossl-1.1.1/lib/engines-1.1\"" -DZLIB -DZLIB_SHARED -DNDEBUG -DOPENSSL_API_COMPAT=0x10100000L -DOPENSSL_NO_ASYNC -MMD -MF crypto/asn1/a_sign.d.tmp -MT crypto/asn1/a_sign.o -c -o crypto/asn1/a_sign.o crypto/asn1/a_sign.c
In file included from crypto/asn1/a_sign.c:22:
In file included from crypto/include/internal/evp_int.h:11:
include/internal/refcount.h:21:12: fatal error: 'stdatomic.h' file not found
# include <stdatomic.h>
^~~~~~~~~~~~~
1 error generated.
make[2]: *** [Makefile:955: crypto/asn1/a_sign.o] Error 1
make[2]: Leaving directory '/home/steffen/code.arena/openssl.git'
make[1]: *** [Makefile:171: all] Error 2
make[1]: Leaving directory '/home/steffen/code.arena/openssl.git'
Thanks for your contiguous support.
|> Maybe the subject was to offensive or misleading, for which
|> i hereby apologize.
|
|I'm not sure what you are apologising for? No offence has been taken
|(did I say something to suggest that it had...if so then *I* apologise!).
I am refreshing my apoligize, but transpose it to a different
topic. Thank you.
--steffen
|
|Der Kragenbaer, The moon bear,
|der holt sich munter he cheerfully and one by one
|einen nach dem anderen runter wa.ks himself off
|(By Robert Gernhardt)
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