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# ll build system
#
# Copyright (C) 2006 Lauri Leukkunen <lle@rahina.org>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
# Make sure this file is only included once per make invocation
ifndef _LL_BUILD_MAKEFILE_INCLUDE
_LL_BUILD_MAKEFILE_INCLUDE=1
#$(warning Hello, from $(CURDIR))
-include $(TOPDIR)/.config
LLBUILD ?= $(TOPDIR)/llbuild
built_in_target := built-in.o
define expand_objects
endef
all_objects := $(obj-builtin)
all_objects += $(foreach t,$(extra_targets),$($(t)))
filter_subdirs := $(shell for d in $(all_objects) ; do if [ -d $$d ]; then echo $$d; fi; done)
filter_objects := $(shell for f in $(all_objects) ; do if [ -d $$f ]; then echo $$f/built-in.o; else echo $$f; fi; done)
builtin_filter_objects := $(shell for f in $(obj-builtin) ; do if [ -d $$f ]; then echo $$f/built-in.o; else echo $$f; fi; done)
real_subdirs := $(foreach dir,$(filter_subdirs),$(shell readlink -f $(CURDIR)/$(dir)))
subdir_deps := $(foreach path,$(real_subdirs),$(dir $(path)).$(notdir $(path).subdir.d))
LOCK ?= $(LLBUILD)/llflock $@.lock
%.subdir.d:
@if [ ! -e $@.lock ]; then touch $@.lock; fi
@$(LOCK) /bin/sh -c "if [ ! -e $@ ]; then $(MAKE) --no-print-directory -C $(dir $@)$(patsubst .%,%,$(patsubst %.subdir.d,%,$(notdir $@))) -f $(LLBUILD)/Makefile.build ll_subdir && touch $@; fi;"
# these are for handling extra_targets
bin-%: _build_objects
@run_sources="$($@)"; \
run_target="$(patsubst bin-%,%,$@)"; \
run_cmd="$(CC) $(LDFLAGS) -o $(patsubst bin-%,%,$@) $(shell for f in $($@) ; do if [ -d $$f ]; then echo $$f/built-in.o; else echo $$f; fi; done) $(LIBS)"; \
run_alias="BIN"; \
$(ll_pretty_run)
cxxbin-%: _build_objects
@run_sources="$($@)"; \
run_target="$(patsubst cxxbin-%,%,$@)"; \
run_cmd="$(CXX) $(LDFLAGS) -o $(patsubst cxxbin-%,%,$@) $(shell for f in $($@) ; do if [ -d $$f ]; then echo $$f/built-in.o; else echo $$f; fi; done) $(LIBS)"; \
run_alias="CXXBIN"; \
$(ll_pretty_run)
shlib-%: _build_objects
@run_sources="$($@)"; \
run_target="$(patsubst shlib-%,%,$@)"; \
run_cmd="$(CC) $(LDFLAGS) -shared -o $(patsubst shlib-%,%,$@) $(shell for f in $($@) ; do if [ -d $$f ]; then echo $$f/built-in.o; else echo $$f; fi; done) $(LIBS)"; \
run_alias="SHLIB"; \
$(ll_pretty_run)
ll_mainlevel:
@find $(TOPDIR) -name "*.subdir.d.lock" -o -name "*.subdir.d" | xargs rm -f
@$(MAKE) --no-print-directory -f $(LLBUILD)/Makefile.build $(subdir_deps)
ll_subdir: $(subdir_deps)
@$(MAKE) --no-print-directory -f $(LLBUILD)/Makefile.build $(built_in_target) $(extra_targets)
# build all objects for all targets before linking them
ifeq ("$(strip $(filter_objects))", "")
_build_objects:
@true
else
_build_objects: $(filter_objects)
endif
ifeq ("$(strip $(builtin_filter_objects))", "")
$(built_in_target):
@true
else
$(built_in_target): $(builtin_filter_objects)
$(ll_pretty_link_builtin)
endif
OPT_CURDIR = $(patsubst /%,%,$(strip $(subst $(TOPDIR), , $(CURDIR))))
ifndef ll_verbose
define ll_pretty_run
run_output=$$($$run_cmd 2>&1); \
if [ $$? -ne 0 ]; then \
echo $$run_cmd; echo $(OPT_CURDIR)/$$run_output; \
false; \
else \
echo "[$$run_alias] [$(OPT_CURDIR)/$$run_target] $$run_sources"; \
echo "$$run_output" | grep " warning: "; \
true ; \
fi
endef
else
define ll_pretty_run
echo $$run_cmd; \
$$run_cmd;
endef
endif
define ll_pretty_build_c
@run_sources="$<"; \
run_target="$@"; \
run_cmd="$(CC) $(CFLAGS) -Wp,-MD,$(dir $(@))/.$(notdir $(@)).d -o $@ -c $<"; \
run_alias="CC"; \
$(ll_pretty_run)
endef
define ll_pretty_build_cc
@run_sources="$<"; \
run_target="$@"; \
run_cmd="$(CXX) $(CFLAGS) -Wp,-MD,$(dir $(@))/.$(notdir $(@)).d -o $@ -c $<"; \
run_alias="CXX"; \
$(ll_pretty_run)
endef
define ll_pretty_link_builtin
@run_sources="$^"; \
run_target="$@"; \
run_cmd="$(LD) -r -nostartfiles -o $@ $^"; \
run_alias="LD"; \
$(ll_pretty_run)
endef
define ll_pretty_link_shared_library
@run_sources="$^"; \
run_target="$@"; \
run_cmd="$(CC) $(LDFLAGS) -shared -o $@ $^ $(LIBS)"; \
run_alias="SHLIB"; \
$(ll_pretty_run)
endef
define ll_pretty_link_shared_binary
@run_sources="$^"; \
run_target="$@"; \
run_cmd="$(CC) $(LDFLAGS) -o $@ $^ $(LIBS)"; \
run_alias="BIN";\
$(ll_pretty_run)
endef
%.o: %.S
$(ll_pretty_build_c)
%.o: %.c
$(ll_pretty_build_c)
%.o: %.cc
$(ll_pretty_build_cc)
%.o: %.cpp
$(ll_pretty_build_cc)
dep_files = $(wildcard .*.d)
ifneq ("$(dep_files)", "")
include $(dep_files)
endif
.PHONY: build $(subdirs)
define ll_clean
+@$(MAKE) --no-print-directory -C $(LLBUILD) MAKEFLAGS= MAKEFILES= clean
rm -rf $(CLEAN_FILES)
find . -name "*.[oasd]" -o -name ".*.d" -o -name "*.*~" -o -name "*~" -o -name "*.lock" | xargs rm -rf
endef
define ll_toplevel_build
+@$(MAKE) --no-print-directory -C $(LLBUILD) MAKEFLAGS= MAKEFILES=
+@$(MAKE) --no-print-directory -f $(LLBUILD)/Makefile.build ll_mainlevel
endef
endif
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