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Bug 1620133 - Allow generated file rules to run in parallel in a given directory. r=firefox-build-system-reviewers,rstewart

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Bug 1645986 solved the problem for most generated files by moving their
rules to the top-level, but we're going to add rules that will end up in
subdirectories, so we have to solve the same problem again, in the
subdirectories.

Differential Revision: https://phabricator.services.mozilla.com/D88389
This commit is contained in:
Mike Hommey 2020-08-28 01:58:48 +00:00
parent 9b123f057e
commit a34742d98f
4 changed files with 25 additions and 15 deletions
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6
config/config.mk
View File

@ -11,6 +11,8 @@
# of the generic macros.
#
varize = $(subst -,_,$(subst a,A,$(subst b,B,$(subst c,C,$(subst d,D,$(subst e,E,$(subst f,F,$(subst g,G,$(subst h,H,$(subst i,I,$(subst j,J,$(subst k,K,$(subst l,L,$(subst m,M,$(subst n,N,$(subst o,O,$(subst p,P,$(subst q,Q,$(subst r,R,$(subst s,S,$(subst t,T,$(subst u,U,$(subst v,V,$(subst w,W,$(subst x,X,$(subst y,Y,$(subst z,Z,$1)))))))))))))))))))))))))))
# Define an include-at-most-once flag
ifdef INCLUDED_CONFIG_MK
$(error Do not include config.mk twice!)
@ -39,6 +41,10 @@ ifndef EXTERNALLY_MANAGED_MAKE_FILE
ifndef STANDALONE_MAKEFILE
GLOBAL_DEPS += backend.mk
include backend.mk
# Add e.g. `export:: $(EXPORT_TARGETS)` rules. The *_TARGETS variables are defined
# in backend.mk.
$(foreach tier,$(RUNNABLE_TIERS),$(eval $(tier):: $($(call varize,$(tier))_TARGETS)))
endif
endif

6
config/makefiles/rust.mk
View File

@ -211,8 +211,6 @@ ifndef DEVELOPER_OPTIONS
$(TARGET_RECIPES) $(HOST_RECIPES): RUSTFLAGS += -C codegen-units=1
endif
cargo_env = $(subst -,_,$(subst a,A,$(subst b,B,$(subst c,C,$(subst d,D,$(subst e,E,$(subst f,F,$(subst g,G,$(subst h,H,$(subst i,I,$(subst j,J,$(subst k,K,$(subst l,L,$(subst m,M,$(subst n,N,$(subst o,O,$(subst p,P,$(subst q,Q,$(subst r,R,$(subst s,S,$(subst t,T,$(subst u,U,$(subst v,V,$(subst w,W,$(subst x,X,$(subst y,Y,$(subst z,Z,$1)))))))))))))))))))))))))))
# We use the + prefix to pass down the jobserver fds to cargo, but we
# don't use the prefix when make -n is used, so that cargo doesn't run
# in that case)
@ -235,8 +233,8 @@ define CARGO_CHECK
$(call RUN_CARGO,check)
endef
cargo_host_linker_env_var := CARGO_TARGET_$(call cargo_env,$(RUST_HOST_TARGET))_LINKER
cargo_linker_env_var := CARGO_TARGET_$(call cargo_env,$(RUST_TARGET))_LINKER
cargo_host_linker_env_var := CARGO_TARGET_$(call varize,$(RUST_HOST_TARGET))_LINKER
cargo_linker_env_var := CARGO_TARGET_$(call varize,$(RUST_TARGET))_LINKER
# Cargo needs the same linker flags as the C/C++ compiler,
# but not the final libraries. Filter those out because they

12
python/mozbuild/mozbuild/backend/make.py
View File

@ -80,9 +80,15 @@ class MakeBackend(CommonBackend):
if tier and not needs_AB_rCD:
# Android localized resources have special Makefile
# handling.
double_colon_tiers = ('export', 'pre-compile', 'libs', 'misc')
ret.append('%s%s %s' % (
tier, '::' if tier in double_colon_tiers else ':', stub_file))
# Double-colon tiers via a variable that the backend adds as a dependency
# later. See https://bugzilla.mozilla.org/show_bug.cgi?id=1645986#c0 as
# to why.
if tier in ('export', 'pre-compile', 'libs', 'misc'):
dep = '%s_TARGETS' % tier.replace('-', '_').upper()
ret.append('%s += %s' % (dep, stub_file))
else:
ret.append('%s: %s' % (tier, stub_file))
for output in outputs:
ret.append('%s: %s ;' % (output, stub_file))
ret.append('GARBAGE += %s' % output)

16
python/mozbuild/mozbuild/test/backend/test_recursivemake.py
View File

@ -402,7 +402,7 @@ class TestRecursiveMakeBackend(BackendTester):
expected = [
'include $(topsrcdir)/config/AB_rCD.mk',
'pre-compile:: $(MDDEPDIR)/bar.c.stub',
'PRE_COMPILE_TARGETS += $(MDDEPDIR)/bar.c.stub',
'bar.c: $(MDDEPDIR)/bar.c.stub ;',
'GARBAGE += bar.c',
'GARBAGE += $(MDDEPDIR)/bar.c.stub',
@ -412,7 +412,7 @@ class TestRecursiveMakeBackend(BackendTester):
'$(call py_action,file_generate,%s/generate-bar.py baz bar.c $(MDDEPDIR)/bar.c.pp $(MDDEPDIR)/bar.c.stub)' % env.topsrcdir, # noqa
'@$(TOUCH) $@',
'',
'export:: $(MDDEPDIR)/foo.h.stub',
'EXPORT_TARGETS += $(MDDEPDIR)/foo.h.stub',
'foo.h: $(MDDEPDIR)/foo.h.stub ;',
'GARBAGE += foo.h',
'GARBAGE += $(MDDEPDIR)/foo.h.stub',
@ -436,7 +436,7 @@ class TestRecursiveMakeBackend(BackendTester):
expected = [
'include $(topsrcdir)/config/AB_rCD.mk',
'pre-compile:: $(MDDEPDIR)/bar.c.stub',
'PRE_COMPILE_TARGETS += $(MDDEPDIR)/bar.c.stub',
'bar.c: $(MDDEPDIR)/bar.c.stub ;',
'GARBAGE += bar.c',
'GARBAGE += $(MDDEPDIR)/bar.c.stub',
@ -446,7 +446,7 @@ class TestRecursiveMakeBackend(BackendTester):
'$(call py_action,file_generate,%s/generate-bar.py baz bar.c $(MDDEPDIR)/bar.c.pp $(MDDEPDIR)/bar.c.stub)' % env.topsrcdir, # noqa
'@$(TOUCH) $@',
'',
'pre-compile:: $(MDDEPDIR)/foo.c.stub',
'PRE_COMPILE_TARGETS += $(MDDEPDIR)/foo.c.stub',
'foo.c: $(MDDEPDIR)/foo.c.stub ;',
'GARBAGE += foo.c',
'GARBAGE += $(MDDEPDIR)/foo.c.stub',
@ -470,7 +470,7 @@ class TestRecursiveMakeBackend(BackendTester):
expected = [
'include $(topsrcdir)/config/AB_rCD.mk',
'misc:: $(MDDEPDIR)/foo.xyz.stub',
'MISC_TARGETS += $(MDDEPDIR)/foo.xyz.stub',
'foo.xyz: $(MDDEPDIR)/foo.xyz.stub ;',
'GARBAGE += foo.xyz',
'GARBAGE += $(MDDEPDIR)/foo.xyz.stub',
@ -498,7 +498,7 @@ class TestRecursiveMakeBackend(BackendTester):
expected = [
'include $(topsrcdir)/config/AB_rCD.mk',
'misc:: $(MDDEPDIR)/foo.xyz.stub',
'MISC_TARGETS += $(MDDEPDIR)/foo.xyz.stub',
'foo.xyz: $(MDDEPDIR)/foo.xyz.stub ;',
'GARBAGE += foo.xyz',
'GARBAGE += $(MDDEPDIR)/foo.xyz.stub',
@ -508,7 +508,7 @@ class TestRecursiveMakeBackend(BackendTester):
'$(call py_action,file_generate,--locale=$(AB_CD) %s/generate-foo.py main foo.xyz $(MDDEPDIR)/foo.xyz.pp $(MDDEPDIR)/foo.xyz.stub $(call MERGE_FILE,localized-input) $(srcdir)/non-localized-input)' % env.topsrcdir, # noqa
'@$(TOUCH) $@',
'',
'misc:: $(MDDEPDIR)/abc.xyz.stub',
'MISC_TARGETS += $(MDDEPDIR)/abc.xyz.stub',
'abc.xyz: $(MDDEPDIR)/abc.xyz.stub ;',
'GARBAGE += abc.xyz',
'GARBAGE += $(MDDEPDIR)/abc.xyz.stub',
@ -533,7 +533,7 @@ class TestRecursiveMakeBackend(BackendTester):
expected = [
'include $(topsrcdir)/config/AB_rCD.mk',
'misc:: $(MDDEPDIR)/foo$(AB_CD).xyz.stub',
'MISC_TARGETS += $(MDDEPDIR)/foo$(AB_CD).xyz.stub',
'foo$(AB_CD).xyz: $(MDDEPDIR)/foo$(AB_CD).xyz.stub ;',
'GARBAGE += foo$(AB_CD).xyz',
'GARBAGE += $(MDDEPDIR)/foo$(AB_CD).xyz.stub',