Makefile.am

# Copyright 2013-present Barefoot Networks, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

ACLOCAL_AMFLAGS = -I m4
AM_CPPFLAGS = -I$(srcdir)/frontends -I$(srcdir)/backends -I$(srcdir)/extensions -Wall -Wextra \
    -Wno-overloaded-virtual -Wno-deprecated

AM_YFLAGS = -v

TOOLSDIR=$(srcdir)/tools
GENTESTS=$(TOOLSDIR)/gen-tests.py
GEN_UNIFIED_MAKEFILE=$(TOOLSDIR)/gen-unified-makefile.py
GEN_UNIFIED_CPP=$(TOOLSDIR)/gen-unified-sources.py

.l.c:
	$(LEX.l) $< > $@

################ Variables populated in subproject Makefiles
# Please use += to append values to these variables.

# Standard automake variables.
CLEANFILES =                   # Files to remove on clean
bin_PROGRAMS =                 # Binaries built
noinst_LTLIBRARIES =           # Libtool convenience libraries
noinst_HEADERS =               # Headers that are not installed
noinst_LIBRARIES =             # Static libraries built
noinst_PROGRAMS =              # Binaries built that are not installed
BUILT_SOURCES =                # Generated source files
TESTS =                        # Tests to execute

# Variables specific to our build system.
XFAIL_TESTS = $(IFAIL_TESTS)   # Tests that are supposed to fail
IFAIL_TESTS =                  # intermittent failures
export XFAIL_TESTS
export IFAIL_TESTS
cpplint_FILES =                # Files that should be passed to cpplint (and etags)
ir_DEF_FILES =                 # Files that generate the IR
extension_frontend_SOURCES =   # Files added to libfrontend by extensions
p4include_HEADERS =		# p4_16 include files
p4_14include_HEADERS =		# p4_14 include files

################ Subproject Makefile inclusions

include $(srcdir)/lib/Makefile.am
include $(srcdir)/tools/ir-generator/Makefile.am
include $(srcdir)/ir/Makefile.am
include $(srcdir)/frontends/Makefile.am
include $(srcdir)/midend/Makefile.am

# The following files are generated by scripts.
include $(srcdir)/otherMakefiles.am

$(srcdir)/otherMakefiles.am: $(srcdir)/find-makefiles.sh $(wildcard $(srcdir)/backends/*/Makefile.am $(srcdir)/extensions/*/Makefile.am)
	cd $(srcdir); ./find-makefiles.sh

include $(srcdir)/unified-compilation.am
include $(srcdir)/regenerate-unified-compilation.am

######## Generate C++ IR files from *.def files using ir-generator

# make is very stupid regarding multiple files generated from the same source
# this pattern ensures that parallel builds continue to work
ir/ir-generated.h: irgenerator $(ir_DEF_FILES)
	./irgenerator -t ir/gen-tree-macro.h -i ir/ir-generated.cpp $(ir_DEF_FILES) >$@ || ( rm $@ && false )
	@$(srcdir)/tools/fixup-line-directives $@ >$@.tmp
	@mv $@.tmp $@
ir/gen-tree-macro.h: ir/ir-generated.h
	@$(srcdir)/tools/fixup-line-directives $@ >$@.tmp
	@mv $@.tmp $@
ir/ir-generated.cpp: ir/ir-generated.h
	@$(srcdir)/tools/fixup-line-directives $@ >$@.tmp
	@mv $@.tmp $@

BUILT_SOURCES += \
	ir/ir-generated.h \
	ir/ir-generated.cpp \
	ir/gen-tree-macro.h

######## P4 header files to install

# FIXME -- should these be in $(pkgdatadir) or $(prefix)?  setup.h.in
# FIXME -- and check-install-headers: below need to be consistent
p4includedir = $(pkgdatadir)/p4include
p4_14includedir = $(pkgdatadir)/p4_14include
p4include_HEADERS += $(srcdir)/p4include/core.p4 $(srcdir)/p4include/v1model.p4

#### For testing, install headers in the build directory

all-local:
	@$(MAKE) install-data pkgdatadir=$(builddir)

# FIXME -- should be a way of getting configure to do this automatcially? or automake?
setup.h: $(srcdir)/setup.h.in Makefile
	@sed -e 's|@pkgdatadir[@]|$(pkgdatadir)|g' \
	     -e 's|@prefix[@]|$(prefix)|g' \
	     -e 's|@p4includedir[@]|$(p4includedir)|g' \
	     -e 's|@p4_14includedir[@]|$(p4_14includedir)|g' \
	$< >$@
setup.o setup.lo: setup.h

################

# Front-end library
noinst_LTLIBRARIES += libfrontend.la
libfrontend_la_SOURCES = \
	setup.h \
	setup.cpp \
	$(frontend_SOURCES) \
	$(midend_SOURCES) \
	$(ir_SOURCES) \
	ir/ir-generated.cpp \
	$(extension_frontend_SOURCES)

# unit tests
include $(srcdir)/test/Makefile.am

# Lint all header files.
cpplint_FILES += $(noinst_HEADERS)

################ Misc custom targets

clean-local:
	-rm -f $(BUILT_SOURCES) $(CLEANFILES)

cpplint:
	@cd $(srcdir); tools/cpplint.py --root=. --extensions=h,hpp,c,cpp,ypp,l $(sort $(cpplint_FILES))

tags:
	cd $(srcdir); ctags -R --langmap=C++:+.def,Flex:+.l,YACC:+.ypp \
	    backends extensions frontends ir lib tools midend
	cd $(srcdir)/tools/ir-generator; ctags -R --langmap=Flex:+.l,YACC:+.ypp \
	    . ../../lib
etags:
	cd $(srcdir); ctags -e -R --langmap=C++:+.def,Flex:+.l,YACC:+.ypp \
	    backends extensions frontends ir lib tools midend
	cd $(srcdir)/tools/ir-generator; ctags -e -R --langmap=Flex:+.l,YACC:+.ypp \
	    . ../../lib

check-%:
	@$(MAKE) check TESTS="$(filter $*/%, $(TESTS) $(EXTRA_TESTS))"

recheck-%:
	@$(MAKE) recheck TESTS="$(filter $*/%, $(TESTS) $(EXTRA_TESTS))"