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2020-05-06Merge #17874: build: make linker checks more robustWladimir J. van der Laan
03da4c7781fe52cac48530ca292af4d794ae28e2 build: make linker checks more robust (Cory Fields) Pull request description: Check for a flag to turn linker warnings into errors. When flags are passed to linkers via the compiler driver using a -Wl,-foo flag, linker warnings may be swallowed rather than bubbling up. This is one of [Corys commits](https://github.com/theuni/bitcoin/commit/b9acd3d33e40de5d95901d591a8703a5974195ee) that I've modified to also add `-Wl,-fatal_warnings` for darwin. ACKs for top commit: vasild: re-ACK 03da4c778 Tree-SHA512: 212031d619ed88e52aaae30cf3b711681d72c4d670884406403605d1d86c784c84cb07e2e0d6c30926e659db8f14f8dabd5af3de5291637f8080d6dfee358248
2020-05-06Merge #18843: build: warn on potentially uninitialized readsWladimir J. van der Laan
71f183a49b714a28622277fa668d8f9f3dac0aae build: warn on potentially uninitialized reads (Vasil Dimov) Pull request description: * Enable `conditional-uninitialized` warning class to show potentially uninitialized reads. * Fix the sole such warning in Bitcoin Core in `GetRdRand()`: `r1` would be set to `0` on `rdrand` failure, so initializing it to `0` is a non-functional change. ACKs for top commit: practicalswift: ACK 71f183a49b714a28622277fa668d8f9f3dac0aae laanwj: ACK 71f183a49b714a28622277fa668d8f9f3dac0aae Tree-SHA512: 2c1d8caacd86424b16a9d92e5df19e0bedb51ae111eecad7e3bfa46447bc88e5fff1f32dacf6c4a28257ebb3d87e79f80f074ce2c523ce08b1a0c0a67ab44204
2020-05-06build: make linker checks more robustCory Fields
Check for a flag to turn linker warnings into errors. When flags are passed to linkers via the compiler driver using a -Wl,-foo flag, linker warnings may be swallowed rather than bubbling up. Co-authored-by: fanquake <fanquake@gmail.com>
2020-05-05build: enable -Werror=gnuVasil Dimov
Stop the build if a warning is emitted due to `-Wgnu` and `--enable-werror` has been used. As usual - this would help notice such a warning that is about to be introduced in new code. This is a followup to https://github.com/bitcoin/bitcoin/pull/18088 build: ensure we aren't using GNU extensions
2020-05-05build: Suppress -Wdeprecated-copy warningsHennadii Stepanov
2020-05-03build: warn on potentially uninitialized readsVasil Dimov
Enable -Wconditional-uninitialized to warn on potentially uninitialized reads. Fix the sole such warning in Bitcoin Core in GetRdRand(): r1 would be set to 0 on rdrand failure, so initializing it to 0 is a non-functional change. From "Intel 64 and IA-32 ArchitecturesSoftware Developer's Manual" [1], page 1711: "CF=1 indicates that the data in the destination is valid. Otherwise CF=0 and the data in the destination operand will be returned as zeros for the specified width." [1] https://software.intel.com/sites/default/files/managed/39/c5/325462-sdm-vol-1-2abcd-3abcd.pdf
2020-04-30build: add -Wgnu to compile flagsfanquake
When compiling with Clang, this will warn when GNU extensions are used. Info: https://clang.llvm.org/docs/DiagnosticsReference.html#wgnu
2020-04-30Merge #18591: Add C++17 build to TravisWladimir J. van der Laan
c31cbe7cfefc18123eb85ffb2ce509748435efde Add C++17 test to Travis (Pieter Wuille) 7829685e27aae25efb32e07368175c8f664b2218 Add configure option for c++17 (Pieter Wuille) 0fbde488b24f62b4bbbde216647941dcac65c81a Support conversion between Spans of compatible types (Pieter Wuille) 7cbfebbf3df0d26f518811e0bfb7abf270c83e37 Update ax_cxx_compile_stdcxx.m4 (Pieter Wuille) Pull request description: This adds a `--enable-c++17` option to the configure script, fixes the only C++17 incompatibility (with a commit taken from #18468), and adds a Travis test for it. This is all off by default, and release builds remain C++11. It implements the first step of the plan in https://github.com/bitcoin/bitcoin/issues/16684. ACKs for top commit: elichai: tACK c31cbe7cfefc18123eb85ffb2ce509748435efde practicalswift: Tested ACK c31cbe7cfefc18123eb85ffb2ce509748435efde hebasto: ACK c31cbe7cfefc18123eb85ffb2ce509748435efde, tested on Linux Mint 19.3 both C++11 and C++17 modes. Compiled and passed tests locally. Tree-SHA512: a4b00776dbceef9c12abbb404c6bcd48f7916ce24c8c7a14116355f64e817578b7fcddbedd5ce435322319d1e4de43429b68553f4d96d970c308fe3e3e59b9d1
2020-04-30Merge #18437: util: Detect posix_fallocate() instead of assumingWladimir J. van der Laan
182dbdf0f4b6e6484b0d4588aaefacc75862a99c util: Detect posix_fallocate() instead of assuming (Vasil Dimov) Pull request description: Don't assume that `posix_fallocate()` is available on Linux and not available on other operating systems. At least FreeBSD has it and we are not using it. Properly check whether `posix_fallocate()` is present and use it if it is. ACKs for top commit: laanwj: ACK 182dbdf0f4b6e6484b0d4588aaefacc75862a99c Tree-SHA512: f9ed4bd661f33ff6b2b1150591e860b3c1f44e12b87c35e870d06a7013c4e841ed2bf17b41ad6b18fe471b0b23a4b5e42cf1400637180888e0bc56c254fe0766
2020-04-27doc: Better explain GNU ld's dislike of ld64's optionsfanquake
There's also now more than a single option being special cased for darwin.
2020-04-22Merge #18709: doc: note why we can't use thread_local with glibc back compatfanquake
b155fcda5186c59fc4fb2a9eaaf791d132e0ab30 doc: fix typo in configure.ac (fanquake) 20a30922fbf6ba14e250ca649239af115dbbe7b0 doc: note why we can't use thread_local with glibc back compat (fanquake) Pull request description: Given that we went through a [gitian build](https://github.com/bitcoin/bitcoin/pull/18681) to remember why this is the case, we might as well make a note of it in configure.ac. [From #18681](https://github.com/bitcoin/bitcoin/pull/18681#issuecomment-615526634): Looking at the Linux build log, this has failed with: ```bash Checking glibc back compat... bitcoind: symbol __cxa_thread_atexit_impl from unsupported version GLIBC_2.18 bitcoind: failed IMPORTED_SYMBOLS bitcoin-cli: symbol __cxa_thread_atexit_impl from unsupported version GLIBC_2.18 bitcoin-cli: failed IMPORTED_SYMBOLS bitcoin-tx: symbol __cxa_thread_atexit_impl from unsupported version GLIBC_2.18 bitcoin-tx: failed IMPORTED_SYMBOLS bitcoin-wallet: symbol __cxa_thread_atexit_impl from unsupported version GLIBC_2.18 bitcoin-wallet: failed IMPORTED_SYMBOLS test/test_bitcoin: symbol __cxa_thread_atexit_impl from unsupported version GLIBC_2.18 test/test_bitcoin: failed IMPORTED_SYMBOLS bench/bench_bitcoin: symbol __cxa_thread_atexit_impl from unsupported version GLIBC_2.18 bench/bench_bitcoin: failed IMPORTED_SYMBOLS qt/bitcoin-qt: symbol __cxa_thread_atexit_impl from unsupported version GLIBC_2.18 ``` `__cxa_thread_atexit_impl` is used for [thread_local variable destruction](https://sourceware.org/glibc/wiki/Destructor%20support%20for%20thread_local%20variables): > To implement this support, glibc defines __cxa_thread_atexit_impl exclusively for use by libstdc++ (which has the __cxa_thread_atexit to wrap around it), that registers destructors for thread_local variables in a list. Upon thread or process exit, the destructors are called in reverse order in which they were added. As suggested, this only became available in glibc 2.18. From the [2.18 release notes](https://sourceware.org/legacy-ml/libc-alpha/2013-08/msg00160.html): > * Add support for calling C++11 thread_local object destructors on thread and program exit. This needs compiler support for offloading C++11 destructor calls to glibc. ACKs for top commit: hebasto: ACK b155fcda5186c59fc4fb2a9eaaf791d132e0ab30 Tree-SHA512: 5b9567e4a70598a4b0b91956f44ae0d93091db17c84cbf9817dac6cfa992c97d3438a8b1bb66644c74891f2149e44984daed445d22de93ca8858c5b0eabefb40
2020-04-21doc: fix typo in configure.acfanquake
s/liner/linker/
2020-04-20doc: note why we can't use thread_local with glibc back compatfanquake
2020-04-17build: Set libevent minimum version to 2.0.21Hennadii Stepanov
2020-04-14util: Detect posix_fallocate() instead of assumingVasil Dimov
Don't assume that `posix_fallocate()` is available on Linux and not available on other operating systems. At least FreeBSD has it and we are not using it. Properly check whether `posix_fallocate()` is present and use it if it is.
2020-04-11Add configure option for c++17Pieter Wuille
2020-04-11Update ax_cxx_compile_stdcxx.m4Pieter Wuille
2020-04-10Revert "Merge #16367: Multiprocess build support"MarcoFalke
This reverts the changes made in merge commit 1b307613604883daea4913a65da30ae073c9dc4d: This reverts commit b919efadff3d0393f4a8c3c1dc735f7ac5c665bb. This reverts commit d54f64c6c700be0604190f52c84fc5f1cdd9f02f. This reverts commit 787f40668dc15980c3d6de028d7950c08175d84a. This reverts commit d6306466626635e6fee44385e6a688c8dc118eb5. This reverts commit e6e44eedd56ecaf59f3fabf8e07ab7dee0ddb1b6.
2020-04-10Merge #16367: Multiprocess build supportMarcoFalke
b919efadff3d0393f4a8c3c1dc735f7ac5c665bb depends: Use default macos clang compiler (Russell Yanofsky) d54f64c6c700be0604190f52c84fc5f1cdd9f02f Add multiprocess travis configuration (Russell Yanofsky) 787f40668dc15980c3d6de028d7950c08175d84a Set LD_LIBRARY_PATH consistently in travis tests (Russell Yanofsky) d6306466626635e6fee44385e6a688c8dc118eb5 libmultiprocess depends build (Russell Yanofsky) e6e44eedd56ecaf59f3fabf8e07ab7dee0ddb1b6 Multiprocess build changes (Russell Yanofsky) Pull request description: This PR is part of the [process separation project](https://github.com/bitcoin/bitcoin/projects/10). This splits autotools, depends build, and travis changes out of #10102, so code changes and build system changes can be reviewed separately. ACKs for top commit: hebasto: re-ACK b919efadff3d0393f4a8c3c1dc735f7ac5c665bb, rebased only since my [previous](https://github.com/bitcoin/bitcoin/pull/16367#issuecomment-605514556) review. Tree-SHA512: ebc5e403cc99a0d9629ed7fe1595e01d57e6d1255cbf03968a3196ff6f528f734c78060fdc065724ee1f923bcc5aa2b29470fcb36a7f15957eb57c76d58178a4
2020-04-10Merge #18504: build: Drop bitcoin-tx and bitcoin-wallet dependencies on libeventMarcoFalke
01a3392b1b778fa4fcf568013326d6ea1de4fb3b Drop bitcoin-wallet dependency on libevent (Russell Yanofsky) 0660119ac372c2863d14060ac1bc9bc243771f94 Drop unintended bitcoin-tx dependency on libevent (Russell Yanofsky) Pull request description: This fixes compile errors trying to build bitcoin-tx and bitcoin-wallet without libevent, which were reported by Luke Dashjr in https://github.com/bitcoin/bitcoin/issues/18465 The fix avoiding `bitcoin-tx` dependency on libevent just adds a conditional build rule. This is implemented in the first commit (more details in commit description). The fix avoiding `bitcoin-wallet` dependency on libevent requires minor code changes, because `bitcoin-wallet` (unlike `bitcoin-tx`) links against code that calls `urlDecode` / `evhttp_uridecode`. This fix is implemented in the second commit (again details in the commit description). ACKs for top commit: jonasschnelli: utACK 01a3392b1b778fa4fcf568013326d6ea1de4fb3b. Tree-SHA512: d2245e912ab494cccceeb427a1eca8e55b01a0006ff93eebcfb5461ae7cecd1083ac2de443d9db036b18bdc6f0fb615546caaa20c585046f66d234937f74870a
2020-04-10build: Bump version to 0.20.99Wladimir J. van der Laan
Now that 0.20 branch has been split off, master is 0.20.99 (pre-0.21). Also clean out release notes. Tree-SHA512: bba6133ae9708f75206c8934901b9f9909a233330f4dfefb3c24175bf8e11631cdc89a5d24a22421a73083f7eb743e977db8020b87dfbd3c1e6043929a19a285
2020-04-06build: remove -Qunused-arguments workaround for clang + ccachefanquake
This was added in 386efb7695debaf5f0f328a2e4c9abc342161665 to address spammy Clang warnings when building with ccache. The issue was addressed in ccache 3.2 (https://bugzilla.samba.org/show_bug.cgi?id=8118, Nov 2014), and from a look at all major distros, it's only Debian Jessie that has a version of ccache older than that (3.1). Therefore I think it's acceptable to drop this workaround, and re-enable warnings for unused driver arguments (when compiling using Clang).
2020-04-05Multiprocess build changesRussell Yanofsky
autotools and automake changes to support multiprocess execution. This adds a new --enable-multiprocess flag, and build configuration code to detect libraries needed for multiprocess support. The --enable-multiprocess flag builds new bitcoin-node and bitcoin-gui executables, which are updated in https://github.com/bitcoin/bitcoin/pull/10102 to communicate across processes. But for now they are functionally equivalent to existing bitcoind and bitcoin-qt executables.
2020-04-03test: remove rapidcheck integration and testsfanquake
2020-04-02Drop unintended bitcoin-tx dependency on libeventRussell Yanofsky
Don't include util/url.cpp to libbitcoin_util.a when libevent isn't available. This fixes a compile error trying to build bitcoin-tx without libevent reported by Luke Dashjr in https://github.com/bitcoin/bitcoin/issues/18465 Fixes #18465
2020-04-02build: Detect gmtime_* definitions via configureBen Woosley
This improves the portability of the codebase and fixes compilation with mingw-w64 7.0+. Co-authored-by: fanquake <fanquake@gmail.com>
2020-03-27Merge #18107: build: Add cov_fuzz targetWladimir J. van der Laan
faf7d4fa86b700ec272806cd2bd8666a92405619 build: Add cov_fuzz target (MarcoFalke) fac71e364e4bbaeffc35e45aff8c8c2c6f2b5c67 build: link fuzz/test_runner.py for out-of-tree builds (MarcoFalke) faf2c5aca01643eb560287e08f9c0a7ca0ac9c88 build: Remove unused USE_COVERAGE (MarcoFalke) Pull request description: Only libFuzzer is supported right now, so clang is required. Thus, this needs a workaround such as https://github.com/bitcoin/bitcoin/issues/12602#issuecomment-562788247 Can be tested with: ``` mkdir build && cd build ../configure --enable-fuzz --with-sanitizers=fuzzer --enable-lcov --enable-lcov-branch-coverage CC=clang CXX=clang++ make $MAKEJOBS make cov_fuzz ACKs for top commit: practicalswift: ACK faf7d4fa86b700ec272806cd2bd8666a92405619 Tree-SHA512: 6828f8f81d95f6781713d0b09d7eba2ffdb50217e09ca839db61791a4ed70024859c7a0cb01d9eede79166d574dd57ece01f9d9fe2610d4a72a4ca4a4ce0b838
2020-03-21build: Fix libevent linking for bench_bitcoin binaryHennadii Stepanov
2020-03-19build: fix sysctl() detection on macOSfanquake
sysctl() on *BSD takes a "const int *name", whereas sysctl() on macOS it takes an "int *name". So our configure check and sysctl() detection on macOS currently fails: ```bash /usr/include/sys/sysctl.h:759:9: note: candidate function not viable: no known conversion from 'const int [2]' to 'int *' for 1st argument int sysctl(int *, u_int, void *, size_t *, void *, size_t); ``` This change removes the name argument from the sysctl() detection check, meaning we will detect correctly on macOS and *BSD. For consistency we also switch to using the more generic, non-const version of the name parameter in the rest of our usage.
2020-03-16build: Use pkg-config in BITCOIN_QT_CONFIGURE for all hostsHennadii Stepanov
This change adds to the BITCOIN_QT_CONFIGURE script ability to use pkg-config for MinGW. All of the non-pkg-config paths are removed as needless. If depends is built with DEBUG=1 the configure script fails to pickup Qt: - for macOS host (similar, but not the same as issue 16391) - for Windows host (regression)
2020-03-11Merge #18290: build: Set minimum Automake version to 1.13Wladimir J. van der Laan
ddc7e42d600a0cb3e763cda0dc04a1f2f34e9440 build: Set minimum Automake version to 1.13 (Hennadii Stepanov) Pull request description: This PR suggests to set the required minimum Automake version to `1.13` explicitly for the following reasons: - it guarantees that [CVE-2012-3386](https://lists.gnu.org/archive/html/automake/2012-07/msg00023.html) has been fixed - `AC_CONFIG_MACRO_DIR` macro support, which we already use; from the [release notes](https://lists.gnu.org/archive/html/automake/2012-12/msg00038.html): > Improvements to aclocal and related rebuilds rules: > - Autoconf-provided macros AC_CONFIG_MACRO_DIR and AC_CONFIG_MACRO_DIRS are now traced by aclocal, and can be used to declare the local m4 include directories. Formerly, one had to specify it with an explicit '-I' option to the 'aclocal' invocation. - `AM_SILENT_RULES` macro support (since version `1.11`) Automake `1.13` requires Autoconf `2.65` or greater. We already have `2.69` since #17769. --- For reference, Automake `1.13` was released in [December of 2012](https://lists.gnu.org/archive/html/automake/2012-12/msg00038.html). CentOS 7 uses Automake [`1.13.4`](https://centos.pkgs.org/7/centos-x86_64/automake-1.13.4-3.el7.noarch.rpm.html) See the Automake docs for more info: - [`AM_INIT_AUTOMAKE`](https://www.gnu.org/software/automake/manual/automake.html#Public-Macros) - [List of Automake options](https://www.gnu.org/software/automake/manual/automake.html#List-of-Automake-options) ACKs for top commit: laanwj: so also ACK ddc7e42d600a0cb3e763cda0dc04a1f2f34e9440 fanquake: ACK ddc7e42d600a0cb3e763cda0dc04a1f2f34e9440 - I think adding a minimum required version here is fine. I'd be surprised if someone who is currently building Bitcoin Core was unable to after this change. Tree-SHA512: a1f97864bc3a513450c03d041498f28e823e6f8cd9710d81df081435d72bd4b6cd2f3deb997dbf902f950215a859e48a2ee7ca1f8ebf4271778dd951ab78abf4
2020-03-07build: Set minimum Automake version to 1.13Hennadii Stepanov
2020-03-07build: remove Boost Chrono detection from build systemfanquake
2020-03-06Merge #16117: util: Replace boost sleep with std sleepfanquake
fae86c38bca5c960462e53975314a0749db5d17d util: Remove unused MilliSleep (MarcoFalke) fa9af06d91e9357e86863781746f0e78a509967e scripted-diff: Replace MilliSleep with UninterruptibleSleep (MarcoFalke) fa4620be782c2bf6b5ffddf4f671194fdd1536f3 util: Add UnintrruptibleSleep (MarcoFalke) Pull request description: We don't use the interruptible feature of boost's sleep anywhere, so replace it with the sleep in `std::thread` ACKs for top commit: ajtowns: ACK fae86c38bca5c960462e53975314a0749db5d17d quick code review practicalswift: ACK fae86c38bca5c960462e53975314a0749db5d17d -- patch looks correct sipa: Concept and code review ACK fae86c38bca5c960462e53975314a0749db5d17d fanquake: ACK fae86c38bca5c960462e53975314a0749db5d17d - note that an instance of `DHAVE_WORKING_BOOST_SLEEP_FOR` was missed in the [linter](https://github.com/bitcoin/bitcoin/blob/master/test/lint/extended-lint-cppcheck.sh#L69), but that can be cleaned up later. Tree-SHA512: 7c0f8eb197664b9f7d9fe6c472c77d384f11c797c913afc31de4b532e3b4fd9ea6dd174f92062ff9d1ec39b25e0900ca7c597435add87f0f2477d9557204848c
2020-02-27build: add --enable-determinism configure flagfanquake
If used, this will enable additional compile / link time flags that will make subsequent builds of bitcoind determinisitic.
2020-02-21util: Remove unused MilliSleepMarcoFalke
2020-02-14build: add Wreturn-type to Werror flagsSjors Provoost
This is supported by GCC and Clang. https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html https://clang.llvm.org/docs/DiagnosticsReference.html#wreturn-type
2020-02-10build: link fuzz/test_runner.py for out-of-tree buildsMarcoFalke
2020-02-10build: Remove unused USE_COVERAGEMarcoFalke
2020-02-10Merge #18082: logging: enable thread_local usage on macOSWladimir J. van der Laan
d76894987d0277e8011932ab7dfd77c537f8ea6e logging: enable thread_local usage on macOS (fanquake) Pull request description: Now that we're building against a newer SDK (`10.14`), we should be able to enable `thread_local` usage on macOS. Have tested building and running locally, as well as cross-compiling and running the binaries on a macOS 10.14 system. #### master 8a56f79d491271120abc3843c46e9dda44edd308 ```bash src/bitcoind -logthreadnames=1 2020-02-06T04:38:33Z [] Bitcoin Core version v0.19.99.0-8a56f79d4 (release build) 2020-02-06T04:38:33Z [] Assuming ancestors of block 00000000000000000005f8920febd3925f8272a6a71237563d78c2edfdd09ddf have valid signatures. 2020-02-06T04:38:33Z [] Setting nMinimumChainWork=000000000000000000000000000000000000000008ea3cf107ae0dec57f03fe8 2020-02-06T04:38:33Z [] Using the 'sse4(1way),sse41(4way),avx2(8way)' SHA256 implementation 2020-02-06T04:38:33Z [] Using RdSeed as additional entropy source ``` #### this PR d76894987d0277e8011932ab7dfd77c537f8ea6e ```bash checking for thread_local support... yes ... src/bitcoind -logthreadnames=1 2020-02-06T04:17:49Z [net] net thread start 2020-02-06T04:17:49Z [opencon] opencon thread start 2020-02-06T04:17:49Z [dnsseed] dnsseed thread start 2020-02-06T04:17:49Z [init] init message: Done loading 2020-02-06T04:17:49Z [msghand] msghand thread start 2020-02-06T04:17:49Z [addcon] addcon thread start ... 2020-02-06T04:17:54Z [init] tor: Thread interrupt 2020-02-06T04:17:54Z [init] Shutdown: In progress... ``` From the [Xcode 8 release notes](https://developer.apple.com/library/archive/releasenotes/DeveloperTools/RN-Xcode/Chapters/Introduction.html#//apple_ref/doc/uid/TP40001051-CH1-SW78) > C++ now supports the thread_local keyword, which declares thread-local storage (TLS) and supports C++ classes with non-trivial constructors and destructors. (9001553) ACKs for top commit: jonasschnelli: Tested ACK d76894987d0277e8011932ab7dfd77c537f8ea6e nijynot: ACK d768949 hebasto: ACK d76894987d0277e8011932ab7dfd77c537f8ea6e Tree-SHA512: 48f3e4104b80bd7b6aedcef10bb1957b073530130f33af7c5cb59e876ac3f5480e53d7af1c0b226d809fe9eef1add3d6c3fb6de4af174966202c6030060ea823
2020-02-10Merge #17398: build: Update leveldb to 1.22+Wladimir J. van der Laan
677fb8e92380d4deb6a3753047c01f7cf7b5af91 test: Add ubsan surpression for crc32c (Wladimir J. van der Laan) 8e68bb1ddeca504bedd40aee8492b5478a88c1e5 build: Disable msvc warning 4722 for leveldb build (Aaron Clauson) be23949765e1b2e050574c6c2a136658a89dee5d build: MSVC changes for leveldb update (Aaron Clauson) 9ebdf047578f0da7e6578d0c51c32f55e84ac157 build: CRC32C build system integration (Wladimir J. van der Laan) 402252a8081e25f22aa1a5c60708714cf1d84ec4 build: Add LCOV exception for crc32c (Wladimir J. van der Laan) 3a037d0067c2c12a1c2c800fb85613a0a2911253 test: Add crc32c exception to various linters and generation scripts (Wladimir J. van der Laan) 84ff1b2076ef91ce688930d0aa0a7f4078ef3e1d test: Add crc32c to subtree check linter (Wladimir J. van der Laan) 7cf13a513409c18d18dff2f6203b3630937b487d doc: Add crc32c subtree to developer notes (Wladimir J. van der Laan) 24d02a9ac00a82d172b171f73554a882df264c80 build: Update build system for new leveldb (Wladimir J. van der Laan) 2e1819311a59fb5cb26e3ca50a510bfe01358350 Squashed 'src/crc32c/' content from commit 224988680f7673cd7c769963d4035cb315aa3388 (Wladimir J. van der Laan) 66480821b36c839ab7615cb9309850015bceadb0 Squashed 'src/leveldb/' changes from f545dfabff4c2e9836efed094dba99a34fbc6b88..f8ae182c1e5176d12e816fb2217ae33a5472fdd7 (Wladimir J. van der Laan) Pull request description: This updates leveldb to currently newest upstream commit https://github.com/bitcoin-core/leveldb/commit/0c40829872a9f00f38e11dc370ff8adb3e19f25b: - CRC32C hardware acceleration is now an external library [crc32c](https://github.com/google/crc32c). This adds acceleration on ARM, and should be faster on x86 because of using prefetch. It also makes it easy to support similar instruction sets on other platforms in the future. - Thread handling uses C++11, instead of platform specific code. - Native windows environment was added. No need to maintain our own hacky one, anymore. - Upstream now builds using CMake. This doesn't mean we need to use that (phew), but internal configuration changed to a a series of checks, instead of OS profiles. This means the blanket error "Cannot build leveldb for $host. Please file a bug report' is removed. All changes: https://github.com/google/leveldb/compare/a53934a3ae1244679f812d998a4f16f2c7f309a6...0c40829872a9f00f38e11dc370ff8adb3e19f25b Pretty much all our changes have been subsumed by upstream, so we figured it was cleaner to start over with a new branch from upstream with the still-relevant patches applied: https://github.com/bitcoin-core/leveldb/tree/bitcoin-fork-new There's quite some testing to be done (see below). See https://github.com/bitcoin-core/leveldb/issues/25 and https://github.com/bitcoin-core/leveldb/pull/26 for more history and context. TODO: - [x] Subtree `crc32c` - [x] Make linters happy about crc32 subtree - [x] Integrate `crc32c` library into build system - [x] MSVC build system ACKs for top commit: sipa: ACK 677fb8e92380d4deb6a3753047c01f7cf7b5af91 Tree-SHA512: 37ee92a750e053e924bc4626b12bb3fd81faa9f8c5ebaa343931fee810c45ba05aa6051fdea82535fa351bf2be7297801b98af9469865fc5ead771650a5d6240
2020-02-06logging: enable thread_local usage on macOSfanquake
2020-01-28build: CRC32C build system integrationWladimir J. van der Laan
2020-01-28build: Update build system for new leveldbWladimir J. van der Laan
Upstream leveldb switched build systems, which means we need to define a few different values.
2020-01-26build: remove --large-address-aware linker flagfanquake
This flag was used when building 32-bit Windows executables, which we no-longer do, and is not accepted by the linker for any of the hosts we currently build for. i.e: ```bash checking whether the linker accepts -Wl,--large-address-aware... no ``` --large-address-aware If given, the appropriate bit in the "Characteristics" field of the COFF header is set to indicate that this executable supports virtual addresses greater than 2 gigabytes. This should be used in conjunction with the /3GB or /USERVA=value megabytes switch in the "[operating systems]" section of the BOOT .INI. Otherwise, this bit has no effect. [This option is specific to PE targeted ports of the linker] You can check that the appropriate bit in the COFF header of our current Windows binaries is still be set using dumpbin. i.e: ```powershell dumpbin /headers .\bitcoind.exe FILE HEADER VALUES <snip> 26 characteristics Executable Line numbers stripped Application can handle large (>2GB) addresses ```
2020-01-23build: remove configure checks for win libraries we don't link againstfanquake
While cross compiling, HOST=x86_64-w64-mingw32, none of these libs actually seem to be passed to the linker.
2020-01-22Merge #17738: build: remove linking librt for backwards compatibilityWladimir J. van der Laan
f7453dcc0386a4a1162ced1a490c096afa13178a build: remove linking librt for backwards compatibility (fanquake) Pull request description: Now that we require glibc 2.17+, see #17538, we can remove linking librt for backwards compatibility purposes. The `clock_*` functions from librt were merged into glibc as part of the [2.17 release](https://sourceware.org/ml/libc-announce/2012/msg00001.html): * The `clock_*` suite of functions (declared in <time.h>) is now available directly in the main C library. Previously it was necessary to link with -lrt to use these functions. This change has the effect that a single-threaded program that uses a function such as `clock_gettime' (and is not linked with -lrt) will no longer implicitly load the pthreads library at runtime and so will not suffer the overheads associated with multi-thread support in other code such as the C++ runtime library. Note that `librt` is already unused by the RISC-V and AARCH64 binaries as their librts don't export any `clock_*` functions. As an example, you can find a diff of the arm32 vs arm64 librt symbols [here](https://gist.github.com/fanquake/b08cb1f0d14df3133395d7796ebf030c). Below is the library usage for the `v0.19.0.1` release (can delete these tables pre-merge). #### RISC-V ```bash riscv/bin/bitcoin-cli: ['libpthread.so.0', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-riscv64-lp64d.so.1'] riscv/bin/bitcoin-qt: ['libpthread.so.0', 'libfontconfig.so.1', 'libfreetype.so.6', 'libxcb.so.1', 'libdl.so.2', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-riscv64-lp64d.so.1', 'libatomic.so.1'] riscv/bin/bitcoin-wallet: ['libpthread.so.0', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-riscv64-lp64d.so.1', 'libatomic.so.1'] riscv/bin/bitcoind: ['libpthread.so.0', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-riscv64-lp64d.so.1', 'libatomic.so.1'] riscv/bin/bitcoin-tx: ['libpthread.so.0', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-riscv64-lp64d.so.1'] riscv/bin/test_bitcoin: ['libpthread.so.0', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-riscv64-lp64d.so.1', 'libatomic.so.1'] ``` #### AARCH64 ```bash aarch64/bin/bitcoin-cli: ['libpthread.so.0', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-aarch64.so.1'] aarch64/bin/bitcoin-qt: ['libpthread.so.0', 'libfontconfig.so.1', 'libfreetype.so.6', 'libxcb.so.1', 'libdl.so.2', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-aarch64.so.1'] aarch64/bin/bitcoin-wallet: ['libpthread.so.0', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-aarch64.so.1'] aarch64/bin/bitcoind: ['libpthread.so.0', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-aarch64.so.1'] aarch64/bin/bitcoin-tx: ['libpthread.so.0', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-aarch64.so.1'] aarch64/bin/test_bitcoin: ['libpthread.so.0', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-aarch64.so.1'] ``` #### ARM LINUX GNUEABIHF ```bash arm32/bin/bitcoin-cli: ['libpthread.so.0', 'librt.so.1', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-armhf.so.3'] arm32/bin/bitcoin-qt: ['libpthread.so.0', 'librt.so.1', 'libfontconfig.so.1', 'libfreetype.so.6', 'libxcb.so.1', 'libdl.so.2', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-armhf.so.3'] arm32/bin/bitcoin-wallet: ['libpthread.so.0', 'librt.so.1', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-armhf.so.3'] arm32/bin/bitcoind: ['libpthread.so.0', 'librt.so.1', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-armhf.so.3'] arm32/bin/bitcoin-tx: ['libpthread.so.0', 'librt.so.1', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-armhf.so.3'] arm32/bin/test_bitcoin: ['libpthread.so.0', 'librt.so.1', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-armhf.so.3'] ``` #### LINUX X86_64 ```bash x86_64/bin/bitcoin-cli: ['libpthread.so.0', 'librt.so.1', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-x86-64.so.2'] x86_64/bin/bitcoin-qt: ['libpthread.so.0', 'librt.so.1', 'libfontconfig.so.1', 'libfreetype.so.6', 'libxcb.so.1', 'libdl.so.2', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-x86-64.so.2'] x86_64/bin/bitcoin-wallet: ['libpthread.so.0', 'librt.so.1', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-x86-64.so.2'] x86_64/bin/bitcoind: ['libpthread.so.0', 'librt.so.1', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-x86-64.so.2'] x86_64/bin/bitcoin-tx: ['libpthread.so.0', 'librt.so.1', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-x86-64.so.2'] x86_64/bin/test_bitcoin: ['libpthread.so.0', 'librt.so.1', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux-x86-64.so.2'] ``` #### LINUX i686 ```bash i686/bin/bitcoin-cli: ['libpthread.so.0', 'librt.so.1', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux.so.2'] i686/bin/bitcoin-qt: ['libpthread.so.0', 'librt.so.1', 'libfontconfig.so.1', 'libfreetype.so.6', 'libxcb.so.1', 'libdl.so.2', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux.so.2'] i686/bin/bitcoin-wallet: ['libpthread.so.0', 'librt.so.1', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux.so.2'] i686/bin/bitcoind: ['libpthread.so.0', 'librt.so.1', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux.so.2'] i686/bin/bitcoin-tx: ['libpthread.so.0', 'librt.so.1', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux.so.2'] i686/bin/test_bitcoin: ['libpthread.so.0', 'librt.so.1', 'libm.so.6', 'libgcc_s.so.1', 'libc.so.6', 'ld-linux.so.2'] ``` ACKs for top commit: laanwj: ACK f7453dcc0386a4a1162ced1a490c096afa13178a Tree-SHA512: b418260edcda88583abfa386a592ebfb977d111e8e2ba887a30bf830b0b10dba429b9cfd615fad453ff0bb824225914ccb91433064b158ae1fbb9d20fc0b9937
2020-01-06build: add Wdate-time to Werror flagsfanquake
-Wdate-time Warn when macros __TIME__, __DATE__ or __TIMESTAMP__ are encountered as they might prevent bit-wise-identical reproducible compilations. This is supported by GCC and Clang. https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html https://clang.llvm.org/docs/DiagnosticsReference.html#wdate-time
2019-12-31build: remove linking librt for backwards compatibilityfanquake
Now that we require glibc 2.17+, #17538, we can remove linking in librt for backwards compatibility purposes. The clock_* functions from librt were merged into glibc as part of the 2.17 release. * The `clock_*' suite of functions (declared in <time.h>) is now available directly in the main C library. Previously it was necessary to link with -lrt to use these functions. This change has the effect that a single-threaded program that uses a function such as `clock_gettime' (and is not linked with -lrt) will no longer implicitly load the pthreads library at runtime and so will not suffer the overheads associated with multi-thread support in other code such as the C++ runtime library. https://sourceware.org/ml/libc-announce/2012/msg00001.html Note that librt is already not linked by the RISC-V and AARCH64 binaries.
2019-12-26doc: Update license year range to 2020Emil Engler
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