build: Solve SmartOS FD_ZERO build issue #15146
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Concept ACK |
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@theuni can you take a look please |
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The following sections might be updated with supplementary metadata relevant to reviewers and maintainers. ConflictsNo conflicts as of last run. |
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Concept ACK |
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Made an effort to pare this down significantly. Now only one new file, and the necessity of the cstring include is determined in configure. |
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SmartOS FD_ZERO is implemented in a way that requires an external declaration of memcpy. We can not simply include cstring in the existing file because sanity_test_memcpy is attempting to replace memcpy, but we can do so here, now that the fdelt test is split out.
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@MarcoFalke realized that in attempting to rebase earlier I unintentionally overwrote my later implementation (#15146 (comment)) with the earlier. Restored the earlier implementation - would need gitian again. |
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Code review an lightly tested (but not on SmartOS) ACK b4fd0ca |
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b4fd0ca Include cstring for sanity_test_fdelt if required (Ben Woosley) 7fb886b [moveonly] Split glibc sanity_test_fdelt out (Ben Woosley) Pull request description: SmartOS FD_ZERO is implemented in a way that requires an external declaration of memcpy. We can not simply include cstring in the existing file because sanity_test_memcpy is attempting to replace memcpy. Instead split glibc_sanity into fdelt and memcpy files, and include <cstring> in glibc_sanity/fdelt.cpp. Fixes #13581, see also #13619 ACKs for top commit: laanwj: Code review an lightly tested (but not on SmartOS) ACK b4fd0ca Tree-SHA512: 231306da291ad9eca8ba91bea1e9c27b6c2e96e484d1602e1c2cf27761202f9287ce0bc19fefd000943d2b449d0e5929cd39e2f7e09cf930d89fa520228ccbec
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b4fd0ca Include cstring for sanity_test_fdelt if required (Ben Woosley) 7fb886b [moveonly] Split glibc sanity_test_fdelt out (Ben Woosley) Pull request description: SmartOS FD_ZERO is implemented in a way that requires an external declaration of memcpy. We can not simply include cstring in the existing file because sanity_test_memcpy is attempting to replace memcpy. Instead split glibc_sanity into fdelt and memcpy files, and include <cstring> in glibc_sanity/fdelt.cpp. Fixes bitcoin#13581, see also bitcoin#13619 ACKs for top commit: laanwj: Code review an lightly tested (but not on SmartOS) ACK b4fd0ca Tree-SHA512: 231306da291ad9eca8ba91bea1e9c27b6c2e96e484d1602e1c2cf27761202f9287ce0bc19fefd000943d2b449d0e5929cd39e2f7e09cf930d89fa520228ccbec
deadalnix
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Summary: ```The return type of fdelt_chk changed from unsigned long int to long int in glibc 2.16. See this commit. Now that we require glibc >=2.17 we can remove our back-compat code. [...] ``` Note: we require glibc >= 2.19 so this also applies to us. Backport of core [[bitcoin/bitcoin#15146 | PR15146]] and [[bitcoin/bitcoin#18862 | PR18862]]. [[bitcoin/bitcoin#15146 | PR15146]] fix an edge case from the sanity check which is totally removed by the second commit of [[bitcoin/bitcoin#18862 | PR18862]]. The diff is then mostly a backport of the first commit from [[bitcoin/bitcoin#18862 | PR18862]]: bitcoin/bitcoin@8bf1540 Test Plan: Run the gitian builds. Reviewers: #bitcoin_abc, deadalnix Reviewed By: #bitcoin_abc, deadalnix Differential Revision: https://reviews.bitcoinabc.org/D6342
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SmartOS FD_ZERO is implemented in a way that requires
an external declaration of memcpy. We can not simply
include cstring in the existing file because
sanity_test_memcpy is attempting to replace memcpy.
Instead split glibc_sanity into fdelt and memcpy files,
and include in glibc_sanity/fdelt.cpp.
Fixes #13581, see also #13619