microfactory is a tool to incrementally compile a go program. It's
similar to `go install`, but doesn't require a GOPATH. A package->path
mapping can be specified as command line options. All input files are
hashed, and if any change, the necessary packages will be rebuilt.
microfactory can (re)build itself as necessary, so combined with a shell
script that runs `go run microfactory.go` the first time, it can
bootstrap a go program entirely from sources with just a working goroot.
Time to build soong_ui only using source & GOROOT:
first time no-change incremental
microfactory 1400ms 15ms
go install 670ms 130ms
While microfactory takes longer the first time, almost half of that time
is from `go run` and building microfactory for use later. If
microfactory only has to build soong_ui, it's about 580ms.
Test: USE_SOONG_UI=true m -j blueprint_tools
Test: go test -bench . build/soong/cmd/microfactory/microfactory_test.go
Change-Id: I4d2b9825788144fa10042bbd804482e44f459a54
Right now this mostly just copies what Make is doing in
build/core/ninja.mk and build/core/soong.mk. The only major feature it
adds is a rotating log file with some verbose logging.
There is one major functional difference -- you cannot override random
Make variables during the Make phase anymore. The environment variable
is set, and if Make uses ?= or the equivalent, it can still use those
variables. We already made this change for Kati, which also loads all of
the same code and actually does the build, so it has been half-removed
for a while.
The only "UI" this implements is what I'll call "Make Emulation" mode --
it's expected that current command lines will continue working, and
we'll explore alternate user interfaces later.
We're still using Make as a wrapper, but all it does is call into this
single Go program, it won't even load the product configuration. Once
this is default, we can start moving individual users over to using this
directly (still in Make emulation mode), skipping the Make wrapper.
Ideas for the future:
* Generating trace files showing time spent in Make/Kati/Soong/Ninja
(also importing ninja traces into the same stream). I had this working
in a previous version of this patch, but removed it to keep the size
down and focus on the current features.
* More intelligent SIGALRM handling, once we fully remove the Make
wrapper (which hides the SIGALRM)
* Reading the experimental binary output stream from Ninja, so that we
can always save the verbose log even if we're not printing it out to
the console
Test: USE_SOONG_UI=true m -j blueprint_tools
Change-Id: I884327b9a8ae24499eb6c56f6e1ad26df1cfa4e4
The genrule tool dependency handling was rejecting any dependencies
that were not tools. This caused a failure when ExtractSourceDeps
added a source file dependency on a filegroup module. Remove the
unnecessary check in the tool handling.
Test: builds
Bug: 35002681
Change-Id: Ibd8dff306be3ef55aac2e12a28ddc187be2234d9
Mips toolchain does not have ld.gold.
ARM change is a workaround for LLVM r290384.
Bug: 33678192
Test: make ENABLE_CFI=1
Change-Id: I189ffd42760f0ea8d151717337b9355b37cb207b
Fix error when building zip tests running go test ./...:
android/soong/third_party/zip/zip_test.go:13:2: use of internal package not allowed
Test: go test ./...
Change-Id: I4fd7317401fd3d9c95c6f11799c94c1eff25523e
Allow tests to specify a data property that lists files or filegroup
modules that will be packaged alongside the test. Also add a path
property to filegroup modules to allow shifting the path of the
packaged files, and add ExpandSourcesSubDir to expand the filegroup
sources while including a shifted relative path in the Paths objects.
Test: soong tests, manually adding data to a module
Change-Id: I52a48942660e12755d313ef13279313361b4fc35
ModuleSrcPath contains an embedded basePath as well as a
SoucePath that contains another basePath. Remove the embedded
basePath, and make the SourcePath embedded.
Test: no change to build.ninja
Change-Id: I3cdf3477eca41ed35fac08a892aab22cbcdb2224
-pie triggers a bug in glibc's linker when used with goma
(https://sourceware.org/bugzilla/show_bug.cgi?id=16381). Allow
the clang build to disable -pie for host modules through the
DISABLE_HOST_PIE environment variable so it can produce a toolchain
that works with goma.
Bug: 15814177
Bug: 34722791
Change-Id: Ic664a1b821aaeaf2bde14b0afa1a1975e31300cb
