diff options
Diffstat (limited to 'compilerplugins/Makefile-clang.mk')
| -rw-r--r-- | compilerplugins/Makefile-clang.mk | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/compilerplugins/Makefile-clang.mk b/compilerplugins/Makefile-clang.mk index 36784fbb4f14..af61c14e1664 100644 --- a/compilerplugins/Makefile-clang.mk +++ b/compilerplugins/Makefile-clang.mk @@ -22,6 +22,10 @@ else CLANGCXXFLAGS=-O2 -Wall -Wextra -Wundef -g endif +# Whether to make plugins use one shared ASTRecursiveVisitor (plugins run faster). +# By default enabled, disable if you work on an affected plugin (re-generating takes time). +LO_CLANG_SHARED_PLUGINS=1 + # The uninteresting rest. include $(SRCDIR)/solenv/gbuild/gbuild.mk @@ -50,6 +54,8 @@ else CLANGINCLUDES=$(if $(filter /usr,$(CLANGDIR)),,-isystem $(CLANGDIR)/include) endif +LLVMCONFIG=$(CLANGDIR)/bin/llvm-config + # Clang/LLVM libraries are intentionally not linked in, they are usually built as static libraries, which means the resulting # plugin would be big (even though the clang binary already includes it all) and it'd be necessary to explicitly specify # also all the dependency libraries. @@ -59,6 +65,10 @@ CLANGINDIR=$(SRCDIR)/compilerplugins/clang # plugin will cause cache misses with ccache. CLANGOUTDIR=$(BUILDDIR)/compilerplugins/obj +ifdef LO_CLANG_SHARED_PLUGINS +CLANGCXXFLAGS+=-DLO_CLANG_SHARED_PLUGINS +endif + QUIET=$(if $(verbose),,@) ifneq ($(ENABLE_WERROR),) @@ -72,8 +82,13 @@ endif compilerplugins: compilerplugins-build +ifdef LO_CLANG_SHARED_PLUGINS +# The shared source, intentionally put first in the list because it takes the longest to build. +CLANGSRC=sharedvisitor/sharedvisitor.cxx +endif # The list of source files, generated automatically (all files in clang/, but not subdirs). -CLANGSRC=$(foreach src,$(wildcard $(CLANGINDIR)/*.cxx), $(notdir $(src))) +CLANGSRC+=$(foreach src,$(wildcard $(CLANGINDIR)/*.cxx), $(notdir $(src))) + # Remember the sources and if they have changed, force plugin relinking. CLANGSRCCHANGED= \ $(shell mkdir -p $(CLANGOUTDIR) ; \ @@ -152,4 +167,35 @@ endif $(CLANGOUTDIR)/clang-timestamp: $(CLANGDIR)/bin/clang$(CLANG_EXE_EXT) $(QUIET)touch $@ + +ifdef LO_CLANG_SHARED_PLUGINS +# Update the shared visitor source if needed. It is intentionally included in the sources and generated only when +# needed, because the generating takes a while. +# If you want to remake the source with LO_CLANG_SHARED_PLUGINS disabled, run 'make LO_CLANG_SHARED_PLUGINS=1'. +$(CLANGINDIR)/sharedvisitor/sharedvisitor.cxx: $(shell grep -l "LO_CLANG_SHARED_PLUGINS" $(CLANGINDIR)/*.cxx) +$(CLANGINDIR)/sharedvisitor/sharedvisitor.cxx: $(CLANGOUTDIR)/sharedvisitor/generator$(CLANG_EXE_EXT) + $(call gb_Output_announce,$(subst $(SRCDIR)/,,$@),$(true),GEN,1) + $(CLANGOUTDIR)/sharedvisitor/generator$(CLANG_EXE_EXT) $(shell grep -l "LO_CLANG_SHARED_PLUGINS" $(CLANGINDIR)/*.cxx) \ + > $(CLANGINDIR)/sharedvisitor/sharedvisitor.cxx + +CLANGTOOLLIBS = -lclangTooling -lclangDriver -lclangFrontend -lclangParse -lclangSema -lclangEdit -lclangAnalysis \ + -lclangAST -lclangLex -lclangSerialization -lclangBasic $(shell $(LLVMCONFIG) --ldflags --libs --system-libs) +# Path to the clang system headers (no idea if there's a better way to get it). +CLANGTOOLDEFS = -DCLANGSYSINCLUDE=$(shell $(LLVMCONFIG) --libdir)/clang/$(shell $(LLVMCONFIG) --version | sed 's/svn//')/include + +$(CLANGOUTDIR)/sharedvisitor/generator$(CLANG_EXE_EXT): $(CLANGINDIR)/sharedvisitor/generator.cxx + $(call gb_Output_announce,$(subst $(BUILDDIR)/,,$@),$(true),GEN,1) + $(QUIET)$(COMPILER_PLUGINS_CXX) $(CLANGCXXFLAGS) $(CLANGWERROR) $(CLANGDEFS) $(CLANGTOOLDEFS) $(CLANGINCLUDES) \ + -DCLANGDIR=$(CLANGDIR) -DBUILDDIR=$(BUILDDIR) -I$(BUILDDIR)/config_host \ + $< -o $@ -MMD -MT $@ -MP -MF $(CLANGOUTDIR)/sharedvisitor/generator.d $(CLANGTOOLLIBS) + +compilerplugins-build: $(CLANGOUTDIR)/sharedvisitor + +$(CLANGOUTDIR)/sharedvisitor: + mkdir -p $(CLANGOUTDIR)/sharedvisitor + +-include $(CLANGOUTDIR)/sharedvisitor/generator.d +# TODO WNT version +endif + # vim: set noet sw=4 ts=4: |