v1.25.1

What's Changed

• proc: handle moving of direct interface flag in Go 1.26 by @randall77 in #4032
• proc: propogate errors from switchToGoroutineStack by @derekparker in #4034
• dwarf/frame: handle unknown opcodes more gracefully by @aarzilli in #4037
• service/dap: add missing response body close by @alexandear in #4039
• pkg,service: simplify tests with slices.Contains by @alexandear in #4040
• pkg/proc: make closure captured vars visible on closure's first line by @aarzilli in #4049
• pkg/proc: fix type cast between slices by @aarzilli in #4048
• For DAP try using debug filename pattern for debug binary path before using random string. fix for #3494 (new Windows Firewall detections) by @rustyoz in #4003
• pkg/goversion: update max supported go minor version by @derekparker in #4046
• service/dap: do not try to access value of unreadable string variables by @aarzilli in #4055
• service/dap: implement restart request by @derekparker in #4057
• service/dap: do not try to stacktrace an unreadable goroutine by @aarzilli in #4056
• *: v1.25.1 by @derekparker in #4059

New Contributors

• @randall77 made their first contribution in #4032
• @rustyoz made their first contribution in #4003

Curated Changelog: https://github.com/go-delve/delve/blob/master/CHANGELOG.md#1251-2025-07-18
Full Changelog: v1.25.0...v1.25.1

v1.25.0

What's Changed

• cmd/dlv: update staticcheck by @aarzilli in #3989
• proc: remove dieToRuntimeType by @aarzilli in #3985
• pkg/terminal: improve TestBreakPointFailWithCond by @alexandear in #3996
• gdbserial: fix call injection with newer versions of macOS by @aarzilli in #3988
• version: use git hash instead of file blob hash for Version.Build by @codeaucafe in #3987
• version: remove build constraint by @aarzilli in #3998
• goversion: fix development version parsing by @aarzilli in #3999
• service/debugger,rpc2,dap: target locking review by @aarzilli in #3997
• terminal/command: Fix typo in goroutines help output by @jersey1dev in #4024
• proc: fix sigpanic in openOnRead by @aarzilli in #4018
• proc/gdbserial: fix out of bounds access reading registers by @aarzilli in #4017
• service/dap: do not attempt further loading on unreadable string vars by @aarzilli in #4016
• proc: fix TestRangeOverFunc for arm64 on go1.25 by @aarzilli in #4014
• proc: fix nil pointer dereference in swiss table iterator by @aarzilli in #4015
• service/dap: fix race condition between disconnect and continue by @aarzilli in #4028
• Exclude internal breakpoints from response by @ConradIrwin in #4027
• proc: fill bi member of constants by @aarzilli in #4026
• *: Release v1.25.0 by @derekparker in #4029

New Contributors

• @codeaucafe made their first contribution in #3987
• @jersey1dev made their first contribution in #4024
• @ConradIrwin made their first contribution in #4027

Curated Changelog: https://github.com/go-delve/delve/blob/master/CHANGELOG.md#1250-2025-04-16
Full Changelog: v1.24.2...v1.25.0

v1.24.2

What's Changed

• *: fix various test problems with go1.25 by @aarzilli in #3946
• proc: add RegnumToString to PPC64LE architecture by @aarzilli in #3944
• goversion: add check for DWARFv5 compatibility by @aarzilli in #3943
• service/debugger: fix FindLocation with child processes by @aarzilli in #3937
• service/test: fix compile error in tests by @aarzilli in #3949
• cmd/dlv: fix typo by @alexandear in #3951
• terminal/command: bind if condition to location earlier by @Lslightly in #3938
• terminal: better question for suspended breakpoints by @aarzilli in #3934
• proc: add support for struct literals by @aarzilli in #3935
• service/test: skip substitutepath test when modules disabled by @derekparker in #3955
• proc/core: skip tests on ppc64le by @derekparker in #3954
• Documentation: fix substitutePath explanation for DAP server by @codesoap in #3952
• proc: do not always allocate struct literals by @aarzilli in #3953
• proc: fix bug telemetry counter increment by @aarzilli in #3967
• proc: skip invalid labels when debugging via Go 1.24 by @hongyuh-hh in #3962
• debugger: acquire missing lock to GuessSubstitutePath by @aarzilli in #3963
• proc: relax DWARFv5 check by @aarzilli in #3961
• fix(debugger): add missing targetMutex protection to CreateWatchpoint() by @BronzeDeer in #3973
• proc: replace Thread.Location method with a function by @aarzilli in #3972
• proc: limit the max length of goroutine's label map (#3928) by @hongyuh-hh in #3968
• fix(services/dap) fix race condition when launching with backend=rr by @BronzeDeer in #3971
• gdbserial: do not abort register reload on the first failed register by @aarzilli in #3966
• service/test: assert error on CreateBreakpoint in TestNextInstruction by @alexandear in #3979
• Release 1.24.2 by @aarzilli in #3983

New Contributors

• @Lslightly made their first contribution in #3938
• @codesoap made their first contribution in #3952
• @hongyuh-hh made their first contribution in #3962
• @BronzeDeer made their first contribution in #3973

Curated Changelog: https://github.com/go-delve/delve/blob/master/CHANGELOG.md#1242-2025-04-10
Full Changelog: v1.24.1...v1.24.2

v1.24.1

What's Changed

• fix check it.Err() != nil but return a nil value error err by @alingse in #3886
• proc: remove leftover fmt.Printf by @aarzilli in #3885
• service/test: disable TestGuessSubstitutePath on TeamCity/linux/tip by @aarzilli in #3890
• pkg/proc/internal/ebpf: Fix uprobe address by @3u13r in #3894
• delete redundancy code. by @zhanluxianshen in #3897
• pkg: refactor sort.Sort to slices.SortFunc by @alexandear in #3880
• proc: remove irrelevant TODO comment by @aarzilli in #3891
• proc: switch to goroutine stack if we make no progress on thread stack by @aarzilli in #3898
• pkg/terminal: support zed editor and allow args in DELVE_EDITOR by @derekparker in #3899
• service/dap: provide process events after launch by @shaunduncan in #3902
• support linux-loong64 native debug by @yelvens in #3892
• proc: allow access to thread registers after a function call by @aarzilli in #3908
• TeamCity: remove riscv64 from configuration by @aarzilli in #3912
• proc: better error message for breakpoints on stripped binaries by @aarzilli in #3914
• proc: some refactorings for supporting struct literals by @aarzilli in #3909
• CirrusCI: update FreeBSD version by @aarzilli in #3917
• *: remove uses of reflect.MethodByName from all of Delve by @aarzilli in #3916
• logflags: replace logrus with log/slog by @aarzilli in #3918
• proc/gdbserial: use rr version to determine style of qRRCmd by @aarzilli in #3921
• pkg/proc: add support for interface watchpoints by @derekparker in #3922
• pkg/proc: support watchpoint on nil interface by @derekparker in #3924
• DWARFv5 fixes by @aarzilli in #3893
• service/test: handle wider registers in test by @derekparker in #3929
• telemetry: add stack counter for internal errors by @aarzilli in #3930
• proc: do not pin function call returns for toplevel call by @aarzilli in #3925
• proc: expose breakpoint hitcounts in expressions by @aarzilli in #3874
• *: v1.24.1 by @derekparker in #3931

New Contributors

• @alingse made their first contribution in #3886
• @3u13r made their first contribution in #3894
• @zhanluxianshen made their first contribution in #3897
• @shaunduncan made their first contribution in #3902

Full Changelog: https://github.com/go-delve/delve/blob/master/CHANGELOG.md#1241-2025-03-05

v1.24.0

Curated CHANGELOG: https://github.com/go-delve/delve/blob/master/CHANGELOG.md#1240-2024-12-18

What's Changed

• proc: step into coroutine by @aarzilli in #3791
• Documentation: Add dape to list of plugins by @jgarte in #3817
• cmds/commands: Update 'client-addr' to support Unix domain sockets by @n1lesh in #3819
• pkg/proc: simplify tests by using errors.As by @alexandear in #3818
• *: replace uses of uniq with slices.Compact by @aarzilli in #3821
• tests: disable TestGeneratedDoc on 1.24 (tip) by @aarzilli in #3820
• terminal,service: add raw examinemem dump by @aarzilli in #3721
• proc: adds pointer pinning to call injection by @aarzilli in #3787
• update golang.org/x/arch to v0.11.0 by @yelvens in #3826
• delve: add linux-riscv64 support by @lrzlin in #3785
• *: mark riscv64 port as experimental by @aarzilli in #3835
• pkg/proc/core: Clean up some repetitive code by @aarzilli in #3834
• goversion: parse version for development builds by @aarzilli in #3837
• Documentation: fix autogenerated markdown documentation by @aarzilli in #3836
• proc: use CPUID to determine ZMM_Hi256 region offset by @jiegec in #3831
• _scripts: update staticcheck version by @aarzilli in #3839
• TeamCity: move riscv64 backend testing to tip by @aarzilli in #3842
• all: import go telemetry and enable crash reporting by @hyangah in #3841
• service/rpc2: correct ExamineMemory length error message by @prattmic in #3846
• service,terminal,cmd/dlv: automatically guessing substitute-path config by @aarzilli in #3781
• proc: fix rangeFuncStackTrace with inlined functions by @aarzilli in #3849
• proc: run gofmt by @alexandear in #3851
• proc: fix typos in errors, tests, and comments by @alexandear in #3852
• Documentation: using go install is preferable by @alexandear in #3853
• proc: do not ignore error return of funcCallEvalFuncExpr by @aarzilli in #3850
• tests: calling os.Exit in TestMain is not required by @alexandear in #3856
• all: remove redundant err declarations by @alexandear in #3855
• go.mod: sync golang.org/x/telemetry@58a1122356f5 by @hyangah in #3857
• pkg/proc/native,pkg/proc/amd64util: xsave decoding cleanup by @aarzilli in #3840
• proc/core/minidump: remove newlines from minidump logs by @aarzilli in #3869
• proc: fix issue on Windows when launching process while detached by @aarzilli in #3867
• feat: print a message when the debugee process exits by @jakejx in #3870
• proc: allow accessing captured variable as if they were struct fields by @aarzilli in #3866
• pkg/proc,service/debugger: do not disable unsatisfiable breakpoints by @aarzilli in #3868
• terminal/starbind: allow modification of structs returned by API by @aarzilli in #3872
• pkg/proc: support swiss table map implementation by @aarzilli in #3838
• tests: removing of dlvbin is not needed by @alexandear in #3875
• service/rpc1: delete APIv1 by @aarzilli in #3881
• proc: fix loading goroutine labels on Go 1.24 by @aarzilli in #3879
• goversion,proc_test: add go1.24 compatiblity, disable broken test by @aarzilli in #3882
• *: v1.24.0 by @derekparker in #3883

New Contributors

• @jgarte made their first contribution in #3817
• @n1lesh made their first contribution in #3819
• @yelvens made their first contribution in #3826
• @lrzlin made their first contribution in #3785
• @jiegec made their first contribution in #3831
• @jakejx made their first contribution in #3870

Full Changelog: v1.23.1...v1.24.0

v1.23.1

What's Changed

• proc: move stepping test to their own file by @aarzilli in #3784
• proc: fix step stuttering when entering range-over-func bodies by @aarzilli in #3788
• proc: fix TestRangeOverFuncNext on linux/386 by @aarzilli in #3795
• eval: Allow reslicing a slice up to its cap, rather than its length by @Jille in #3796
• chore: fix function name by @linchizhen in #3803
• terminal/starbind: fix starlark conversion of named consts by @arvidfm in #3802
• proc: workaround for macOS section name truncation by @aarzilli in #3799
• service/dap: make handlesMap generic by @aarzilli in #3798
• service/dap: fix test failure with 1.24 by @aarzilli in #3805
• proc: fix result type of division of untyped constants by @aarzilli in #3794
• proc: improve Rosetta check by @aarzilli in #3810
• proc: for optimized functions allow .closureptr to not exist by @aarzilli in #3808
• proc: cache module data by @aarzilli in #3800
• *: release version 1.23.1 by @aarzilli in #3816

New Contributors

• @Jille made their first contribution in #3796
• @linchizhen made their first contribution in #3803
• @arvidfm made their first contribution in #3802

Curated Changelog: https://github.com/go-delve/delve/blob/master/CHANGELOG.md#1231-2024-09-23

v1.23.0

What's Changed

• dwarfbuilder: fix makeAbbrevTable by @aarzilli in #3665
• *: misc fixes for go1.23 by @aarzilli in #3663
• elfwriter: add WriteSectionHeaders by @aarzilli in #3666
• Upgrade github.com/google/go-dap to v0.12.0 by @suzmue in #3673
• pkg/terminal,pkg/proc: Implement next-instruction by @derekparker in #3671
• pkg/terminal: print breakpoint number on stop by @derekparker in #3675
• proc/evalop: remove no longer needed Go 1.17 files by @alexandear in #3676
• Cirrus-CI: update to FreeBSD 13.3 by @aarzilli in #3679
• dwarf/loclist: remove impossible condition by @alexandear in #3677
• proc: catch panics when reading debug info for stripped executables by @aarzilli in #3678
• proc,go.mod: update x/sys remove KeepAlive calls by @aarzilli in #3680
• pkg/proc: defend better against missing DWARF by @derekparker in #3695
• proc: support reading captured variables of closures by @aarzilli in #3682
• pkg/terminal: allow postfix if for breakpoint conds by @derekparker in #3693
• proc: change 'step' command so that it steps through go statements by @aarzilli in #3686
• cmd/dlv: add shell (non-)completions to flags taking args by @scop in #3696
• cmd/dlv: fix panic on connect fail by @scop in #3698
• tests: fix tests on Go 1.23 by @aarzilli in #3697
• pkg/terminal: clear erroneous name setting on postfix if by @derekparker in #3702
• pkg/terminal: remove duplicated word by @alexandear in #3707
• cmd/dlv: improve positional argument completion by @scop in #3699
• proc: generalize escapeCheck and allocString by @aarzilli in #3687
• rr: fix gdb parsing by @howardjohn in #3705
• Add function name even in return trace by @archanaravindar in #3712
• pkg/proc: fix watchpoints on macos by @derekparker in #3703
• _scripts: upgrade to python3 by @aarzilli in #3716
• pkg/proc/gdbserial: optimize gdbwire backend by @derekparker in #3715
• gdbserial: update path of lldb protocol extension documentation by @aarzilli in #3727
• gdbserial: fixes for rr 5.7.0 by @aarzilli in #3718
• pkg/terminal: remove deprecated starlark global options by @alexandear in #3722
• *: remove redundant lines at the start/end of block by @alexandear in #3730
• Update actions/checkout to v4 by @abbasudo in #3731
• proc/gdbserial: add environment variables to configure rr invocation by @aarzilli in #3726
• proc: initial stepping with range-over-func support by @aarzilli in #3736
• cmd/dlv: print out message with stack trace when breakpoint is hit but has no waiting client by @fatanugraha in #3632
• Support to add a new suboption --follow-calls to trace subcommand by @archanaravindar in #3594
• proc: fix bug with stack watchpoints going out of scope by @aarzilli in #3742
• proc: fix TestRangeOverFuncNext by @aarzilli in #3740
• proc: refactor identifier evaluation for range-over-func support by @aarzilli in #3738
• service: print better message for unattended stops by @aarzilli in #3747
• pkg/astutil,pkg/elfwriter: fix package doc by @alexandear in #3753
• *: replace fmt.Errorf with errors.New by @alexandear in #3752
• proc: initial support for expressions with range-over-func by @aarzilli in #3750
• pkg/terminal: do not use deprecated strings.Title by @alexandear in #3756
• all: fix typos in CHANGELOG, comments and package name by @alexandear in #3757
• refactor: move loadModuleData from runtimeTypeToDIE and expose the apis by @jayantxie in #3741
• pkg/proc,service/debugger: fix debuginfod-find source by @derekparker in #3762
• fix: mem cache out of range panic caused by overflow by @jayantxie in #3761
• proc: support stepping through range-over-func statements with inlining by @aarzilli in #3755
• service/debugger: evaluate breakpoint vars on g-less threads by @aarzilli in #3759
• fix: LoadAbstractOriginAndSpecification infinite loop caused by abstr… by @zdyj3170101136 in #3767
• *: remove redundant lines at the start/end of block by @alexandear in #3773
• pkg/proc: fix 404 links and change to https by @alexandear in #3775
• go.mod: update gopkg.in/yaml to v3 by @aarzilli in #3776
• pkg/terminal: add missing file.Close() call by @alexandear in #3770
• pkg: refactor to .WriteString() instead of .Write([]byte()) by @alexandear in #3769
• pkg/dwarf/line: use t.Logf instead of fmt.Printf in tests by @alexandear in #3772
• proc: use .closureptr for stepping through range-over-func statements by @aarzilli in #3763
• service/rpc1: add Go Reference doc by @alexandear in #3779
• *: replace old golang.org links with new go.dev by @alexandear in #3774
• proc: fix bug with range-over-func stepping by @aarzilli in #3778
• goversion: add 1.23 to supported versions, update test matrix by @aarzilli in #3780
• teamcity: fix typo in configuration by @aarzilli in #3783
• *: release version 1.23.0 by @aarzilli in #3782

New Contributors

• @scop made their first contribution in #3696
• @howardjohn made their first contribution in #3705
• @abbasudo made their first contribution in #3731
• @fatanugraha made their first contribution in #3632
• @jayantxie made their first contribution in #3741
• @zdyj3170101136 made their first contribution in #3767

Full Changelog: https://github.com/go-delve/delve/blob/master/CHANGELOG.md#1230-2024-07-16

v1.22.1

What's Changed

• Cirrus-CI: update FreeBSD version by @aarzilli in #3618
• go.mod: Update version of go-delve/liner by @aarzilli in #3619
• Documentation: document runtime.frame(n).varname by @aarzilli in #3625
• TeamCity: speed up ppc64le CI by @aarzilli in #3622
• terminal: add paging to print, vars, args and locals by @aarzilli in #3620
• proc: fix TestCondBreakpointWithFrame flakes on 1.22rc1 by @aarzilli in #3624
• proc: fix dynamic library loading with musl loader by @aarzilli in #3621
• proc: fix stacktrace frame after runtime.sigpanic by @aarzilli in #3638
• proc/native: remove dead code in nonative_darwin.go by @aarzilli in #3637
• make.go: skip codesigning when testing an existing build by @ardnew in #3639
• proc/native: add support sentinel for FreeBSD with cgo disabled by @aarzilli in #3636
• service/dap: make TestEvaluateCallFunction independent of line numbers by @aarzilli in #3644
• evalop: fix name of executeOp function in test by @aarzilli in #3643
• proc: skip TestDebugStripped on development versions of Go by @aarzilli in #3642
• proc/gdbserver: clean up rr directory on detach by @aarzilli in #3570
• proc: if a reslice operator is used load the whole slice by @aarzilli in #3623
• *: remove accidentally committed binary by @derekparker in #3645
• *: update go-delve/gore by @derekparker in #3646
• service/dap: support waitfor option for 'dap attach' only by @aarzilli in #3656
• cmd/dlv: support unix domain sockets by @aarzilli in #3655
• terminal: add color highlighting to stacktraces by @aarzilli in #3649
• terminal: add prompt color option by @aarzilli in #3648
• *: update gore by @derekparker in #3659
• Don't use a fixed width for "sl" column when parsing /proc/net/tcp lines by @michaelmerg in #3660
• cmd/dlv: fix --continue with unix domain sockets by @aarzilli in #3658
• pkg/proc: remove usage of gore dependency by @derekparker in #3664
• *: release version 1.22.1 by @aarzilli in #3662

New Contributors

• @ardnew made their first contribution in #3639
• @michaelmerg made their first contribution in #3660

Full Changelog: v1.22.0...v1.22.1
Curated Changelog: https://github.com/go-delve/delve/blob/master/CHANGELOG.md#1221-2024-02-21

v1.22.0

What's Changed

• all: remove obsolete build tags by @alexandear in #3513
• service/dap: add the concrete type to interface type by @suzmue in #3510
• service/dap: fix bugs in stdout/stderr handling by @hyangah in #3522
• pkg/terminal: support vscode in edit command by @derekparker in #3524
• Use a valid timezone in tested binary by @upils in #3527
• proc: implement follow exec mode on Windows by @aarzilli in #3507
• service/test: disable TestClientServer_chanGoroutines with rr backend by @aarzilli in #3492
• proc/native: use cgo instead of C for freebsd by @4a6f656c in #3529
• proc: use DW_AT_trampoline to detect auto-generated code by @aarzilli in #3528
• proc: use stack machine to evaluate expressions by @aarzilli in #3508
• proc: fix comment typos by @alexandear in #3531
• proc: add min and max builtins by @aarzilli in #3530
• CI: update staticcheck version by @aarzilli in #3533
• proc: remove expr evaluation goroutine from EvalExpressionWithCalls by @aarzilli in #3532
• service/api: use bitfield for prettyprint flags by @aarzilli in #3536
• proc: allow evaluator to reference previous frames by @derekparker in #3534
• *: Add explicit code of conduct by @derekparker in #3540
• proc,service/dap,proc/gdbserial: fixes for debugserver --unmask-signals by @aarzilli in #3541
• *: release 1.21.2 (for master) by @aarzilli in #3546
• proc/native: wherever we check for exited we should also check detached by @aarzilli in #3547
• pkg/proc: add inline function support for stripped binaries by @derekparker in #3549
• cmd: fix a bunch of linter warnings from GoLand by @derekparker in #3550
• proc: add regression test for issue #3548 by @aarzilli in #3553
• *: update dependencies by @derekparker in #3552
• service: fix a bunch of linter warnings from GoLand by @derekparker in #3551
• *: Correct spelling mistakes by @alexandear in #3555
• pkg,service: Remove redundant build constraints by @alexandear in #3556
• Shorten variable types by @stefanhaller in #3535
• TeamCity: reupgrade linux/386 builder to Go 1.21 by @aarzilli in #3560
• pkg/proc: improve support unwinding from sigpanic by @derekparker in #3559
• pkg/proc: unskip passing tests and reorganize by @derekparker in #3561
• chore: use strings.Contains instead by @testwill in #3562
• pkg,service: remove unnecessary convertions by @alexandear in #3564
• *: remove checks for TRAVIS env variable by @aarzilli in #3568
• terminal: clear substitute path rules cache when config is used by @aarzilli in #3567
• service: fix typo in variable name by @alexandear in #3575
• TeamCity: remove windows/arm64 builders from chain by @aarzilli in #3572
• proc: simplify and generalize runtime.mallocgc workaround by @aarzilli in #3571
• proc/gdbserial: refactor parsing of key-value pairs from gdb protocol by @aarzilli in #3574
• Extract tip builds into a separate sub-project by @artspb in #3578
• pkg,service/dap: use switch instead of if-else-if by @alexandear in #3576
• CI: update teamcity settings by @derekparker in #3579
• pkg/proc: use gore to obtain info from stripped binaries by @derekparker in #3577
• add missing import in TeamCity DSL by @artspb in #3580
• update TeamCity DSL version to 2023.05 and remove tip configurations from Aggregator by @artspb in #3581
• proc: fix TestIssue1101 flake by @aarzilli in #3585
• proc: skip trapthread for harcoded breakpoints after manual stop by @aarzilli in #3582
• tests: fix tests in go1.22 by @aarzilli in #3583
• all: run go mod tidy by @prattmic in #3589
• add all branches but PRs to filter by @artspb in #3590
• service/dap: fix close on closed channel panic by @aarzilli in #3573
• Show pprof labels in thread names by @stefanhaller in #3501
• *: Use forked goretk/gore module by @derekparker in #3597
• proc: make some type casts less counterintuitive by @aarzilli in #3596
• teamcity,version: add 1.22 to supported versions and CI matrix by @aarzilli in #3601
• proc: fix ppc64 arch name check by @aarzilli in #3608
• goversion: include pre-releases in VersionAfterOrEqual check by @aarzilli in #3607
• service/dap: fix close on closed channel by @aarzilli in #3609
• proc: fix TestPackageRenames on go1.22 on linux/386 by @aarzilli in #3610
• *: Update gore dep for 1.22 by @derekparker in #3611
• *: release version 1.22.0 by @aarzilli in #3606

New Contributors

• @upils made their first contribution in #3527
• @testwill made their first contribution in #3562
• @prattmic made their first contribution in #3589

Full Changelog: v1.21.1...v1.22.0
Curated Changelog: https://github.com/go-delve/delve/blob/master/CHANGELOG.md#1220-2023-12-29

v1.21.2

Added
DAP: add concrete type to interface type (@suzmue, #3510)
Support for VSCode in the edit command (@derekparker, #3524)
Follow-mode support for Windows (@aarzilli, #3507)

Fixed
Fix bugs handling stdout/stderr in DAP (@hyangah, #3522)
Fix bug with autogenerated wrappers for methods of generic types (@aarzilli, #3528)

Changed
Use Cgo instead of C code in the FreeBSD backend (@4a6f656c, #3529)
Remove obsolete build tags (+build) (@alexandear, #3513)