GitLab

««« backport 26fc3f8aa53e
cmd/dist: remove stray src/pkg/runtime/z* when cleaning

R=golang-dev, bradfitz, dave, rsc, lstoakes, rsc
CC=golang-dev
https://golang.org/cl/6180044

»»»

««« backport e757e2af45ec
cmd/dist, sudo.bash: don't mention sudo.bash if cov or prof is not present
        Fixes #3422.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5967057
»»»

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5924044

Fixes #3317

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/5784083

        So that we don't duplicate knowledge about which OS/ARCH combination
        supports cgo.
        Also updated src/run.bash and src/sudo.bash to use 'go env'.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5792055

        find() returns -1 when not found.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5752068

The testso directory still needs to be enabled.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5731048

When looking for suitable tag always start
from current version, not the tip.

R=minux.ma, rsc
CC=golang-dev
https://golang.org/cl/5731059

GOROOT_FINAL is a build parameter that means "eventually
the Go tree will be installed here".  Make the file name information
match that eventual location.

Fixes #3180.

R=ken, ken
CC=golang-dev
https://golang.org/cl/5742043

Fixes #3165.

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/5712051

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/5711052

Work around profiling kernel bug with signal masks.
Still broken on 64-bit Snow Leopard kernel,
but I think we can ignore that one and let people
upgrade to Lion.

Add new trivial tools addr2line and objdump to take
the place of the GNU tools of the same name, since
those are not installed on OS X.

Adapt pprof to invoke 'go tool addr2line' and
'go tool objdump' if the system tools do not exist.

Clean up disassembly of base register on amd64.

Fixes #2008.

R=golang-dev, bradfitz, mikioh.mikioh, r, iant
CC=golang-dev
https://golang.org/cl/5697066

Fixes #3112.

R=golang-dev, 0xe2.0x9a.0x9b, ality, rsc, rsc
CC=golang-dev
https://golang.org/cl/5700044

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5689072

When installing pprof into the tools directory, it needs to
have execute permissions on unix-like systems.

Fixes issues 3077.

R=golang-dev, rsc, minux.ma
CC=golang-dev
https://golang.org/cl/5675095

Fixes #3048.

R=rsc
CC=golang-dev
https://golang.org/cl/5672081

1, strip last path separator from $GOROOT
   The user might define GOROOT=/path/to/go/, but then the dir
   check in defaulttarg() will always complain the current dir
   is not within $GOROOT/src/.
2, resolve symlinks in the default goroot
   Or if getcwd() returns a fully-resolved path, the check in
   defaulttarg() will always fail.

R=rsc
CC=golang-dev
https://golang.org/cl/5649073

Clang 3.1 has more warnings enabled by default than GCC.
Combined with -Werror, they cause the build to fail
unnecessarily.  if the name of our compiler ends in "clang",
add the necessary extra -Wno options.  Ideally we would add
these flags unconditionally, as GCC is supposed to ignore
unknown -Wno flags, but apple's llvm-gcc doesn't.

Fixes #2878.

R=rsc, dave
CC=golang-dev
https://golang.org/cl/5673055

Makes it possible to run

GOARCH=amd64 make.bash
GOARCH=386 make.bash --no-clean

to avoid deleting some of the work done by the first one.

R=golang-dev
CC=golang-dev
https://golang.org/cl/5673056

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5672050

Also check for old and exp.

Fixes #2764.
Fixes #2765.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5654068

This CL makes it possible to run make.bash with
GOOS and GOARCH set to something other than
the native host GOOS and GOARCH.

As part of the CL, the tool directory moves from bin/tool/
to pkg/tool/goos_goarch where goos and goarch are
the values for the host system (running the build), not
the target.  pkg/ is not technically appropriate, but C objects
are there now tool (pkg/obj/) so this puts all the generated
binaries in one place (rm -rf $GOROOT/pkg cleans everything).
Including goos_goarch in the name allows different systems
to share a single $GOROOT on a shared file system.

Fixes #2920.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5645093

Also update build to be able to run mkbuiltin again.
The export form has changed a little, so builtin.c has
more diffs than unsafe.go.

In CL 5650069, I just edited the documentation, a rarely
successful method of change.

R=ken2
CC=golang-dev
https://golang.org/cl/5662043

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/5650068

Fixes #2927.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5651062

R=rsc, gustavo
CC=golang-dev
https://golang.org/cl/5642045

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/5646055

R=rsc
CC=golang-dev
https://golang.org/cl/5643061

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5642059

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/5646053

Same idea as heap profile: how did each thread get created?
Low memory (256 bytes per OS thread), high reward for
programs that suddenly have many threads running.

Fixes #1477.

R=golang-dev, r, dvyukov
CC=golang-dev
https://golang.org/cl/5639059

R=golang-dev, r, iant
CC=golang-dev
https://golang.org/cl/5641051

Commands such as "dist version > VERSION" will cause
the shell to create an empty VERSION file and set dist's
stdout to its fd. dist in turn looks at VERSION and uses
its content if available, which is empty at this point.

Fix that by ignoring VERSION if it's empty.

Also prevent cmdversion from running findgoversion a
second time. It was already loaded by init.

R=adg, gustavo, rsc
CC=golang-dev
https://golang.org/cl/5639044

This is the same heuristic that build.ScanDir uses.
It avoids considering 'resource fork' files on OS X;
the resource for x.go is ._x.go.

R=gri
CC=golang-dev
https://golang.org/cl/5616073

clean.bash depends on it being set.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5630056

5l does not use the whole set of ld files
like the other linkers do.

TBR=golang-dev
CC=golang-dev
https://golang.org/cl/5629052

TBR=golang-dev
CC=golang-dev
https://golang.org/cl/5630049

goc2c moves here.
parallel builds like old makefiles (-j4).
add clean command.
add banner command.
implement Go version check.
real argument parsing (same as 6g etc)

Windows changes will be a separate CL.

R=golang-dev, bradfitz, iant
CC=golang-dev
https://golang.org/cl/5622058

dist is short for distribution.  This is the new Go distribution tool.

The plan is to replace the Makefiles with what amounts to
'go tool dist bootstrap', although it cannot be invoked like
that since it is in charge of getting us to the point where we
can build the go command.

It will also add additional commands to replace bash scripts
like test/run (go tool dist testrun), eventually eliminating our
dependence on not just bash but all the Unix tools and all
of cygwin.

This is strong enough to build (cc *.c) and run (a.out bootstrap)
to build not just the C libraries and tools but also the basic
Go packages up to the bootstrap form of the go command
(go_bootstrap).  I've run it successfully on both Linux and Windows.
This means that once we've switched to this tool in the build,
we can delete the buildscripts.

This tool is not nearly as nice as the go tool.  There are many
special cases that turn into simple if statements or tables in
the code.  Please forgive that.  C does not enjoy the benefits
that we designed into Go.

I was planning to wait to do this until after Go 1, but the
Windows builders are both broken due to a bug in either
make or bash or both involving the parsing of quoted command
arguments.  Make thinks it is invoking

        quietgcc -fno-common -I"c:/go/include" -ggdb -O2 -c foo.c

but bash (quietgcc is a bash script) thinks it is being invoked as

        quietgcc -fno-common '-Ic:/go/include -ggdb' -O2 -c foo.c

which obviously does not have the desired effect.  Rather than fight
these clumsy ports, I accelerated the schedule for the new tool.
We should be completely off cygwin (using just the mingw gcc port,
which is much more standalone) before Go 1.

It is big for a single CL, and for that I apologize.  I can cut it into
separate CLs along file boundaries if people would prefer that.

R=golang-dev, adg, gri, bradfitz, alex.brainman, dsymonds, iant, ality, hcwfrichter
CC=golang-dev
https://golang.org/cl/5620045