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#
# This file is part of the LibreOffice project.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# Make sure variables in this Makefile do not conflict with other variables (e.g. from gbuild).
# The list of source files.
CLANGSRC= \
plugin.cxx \
bodynotinblock.cxx \
lclstaticfix.cxx \
postfixincrementfix.cxx \
sallogareas.cxx \
unusedvariablecheck.cxx \
# You may occassionally want to override some of these
# Compile flags ('make CLANGCXXFLAGS=-g' if you need to debug the plugin)
CLANGCXXFLAGS=-O2 -Wall -g
# The prefix where Clang resides, override to where Clang resides if using a source build.
CLANGDIR=/usr
# The build directory (different from CLANGDIR if using a Clang out-of-source build)
CLANGBUILD=/usr
# The uninteresting rest.
# Clang headers require these.
CLANGDEFS=-D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -fno-rtti
# All include locations needed.
CLANGINCLUDES=-I$(CLANGDIR)/include -I$(CLANGDIR)/tools/clang/include -I$(CLANGBUILD)/include -I$(CLANGBUILD)/tools/clang/include
# 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.
CLANGINDIR=$(SRCDIR)/compilerplugins/clang
# Cannot use $(WORKDIR), the plugin should survive even 'make clean', otherwise the rebuilt
# plugin will cause cache misses with ccache.
CLANGOUTDIR=$(SRCDIR)/compilerplugins/obj
compilerplugins: $(CLANGOUTDIR) $(CLANGOUTDIR)/plugin.so
compilerplugins-clean:
rm -rf $(CLANGOUTDIR)
$(CLANGOUTDIR):
mkdir -p $(CLANGOUTDIR)
CLANGOBJS=
define clangbuildsrc
$(3): $(2) $(SRCDIR)/compilerplugins/Makefile-clang.mk $(CLANGOUTDIR)/clang-timestamp
@echo [build CXX] $(subst $(SRCDIR)/,,$(2))
$(CXX) $(CLANGPLUGIN_CPPFLAGS) $(CLANGCXXFLAGS) $(CLANGDEFS) $(CLANGINCLUDES) -DSRCDIR=$(SRCDIR) $(2) -fPIC -c -o $(3) -MMD -MT $(3) -MP -MF $(CLANGOUTDIR)/$(1).d
-include $(CLANGOUTDIR)/$(1).d
$(CLANGOUTDIR)/plugin.so: $(3)
$(CLANGOUTDIR)/plugin.so: CLANGOBJS += $(3)
endef
$(foreach src, $(CLANGSRC), $(eval $(call clangbuildsrc,$(src),$(CLANGINDIR)/$(src),$(CLANGOUTDIR)/$(src:.cxx=.o))))
$(CLANGOUTDIR)/plugin.so: $(CLANGOBJS)
@echo [build LNK] $(subst $(SRCDIR)/,,$@)
$(CXX) -shared $(CLANGOBJS) -o $@
# Clang most probably doesn't maintain binary compatibility, so rebuild when clang changes.
$(CLANGOUTDIR)/clang-timestamp: $(CLANGBUILD)/bin/clang
touch $@ -r $^
# vim: set noet sw=4 ts=4:
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