# we have explicit rules for everything
MAKEFLAGS += -rR
+SHELL = /usr/bin/env bash -o pipefail
+
# Usage: $(call quiet-command,command and args,"NAME","args to print")
# This will run "command and args", and either:
# if V=1 just print the whole command and args
help check-help print-% \
docker docker-% vm-help vm-test vm-build-%
+all:
+.PHONY: all clean distclean recurse-all dist msi FORCE
+
+# Don't try to regenerate Makefile or configure
+# We don't generate any of them
+Makefile: ;
+configure: ;
+
# All following code might depend on configuration variables
ifneq ($(wildcard config-host.mak),)
-# Put the all: rule here so that config-host.mak can contain dependencies.
-all:
include config-host.mak
git-submodule-update:
+.git-submodule-status: git-submodule-update config-host.mak
+Makefile: .git-submodule-status
.PHONY: git-submodule-update
-
-git_module_status := $(shell \
- cd '$(SRC_PATH)' && \
- GIT="$(GIT)" ./scripts/git-submodule.sh status $(GIT_SUBMODULES); \
- echo $$?; \
-)
-
-ifeq (1,$(git_module_status))
-ifeq (no,$(GIT_UPDATE))
-git-submodule-update:
- $(call quiet-command, \
- echo && \
- echo "GIT submodule checkout is out of date. Please run" && \
- echo " scripts/git-submodule.sh update $(GIT_SUBMODULES)" && \
- echo "from the source directory checkout $(SRC_PATH)" && \
- echo && \
- exit 1)
-else
git-submodule-update:
+ifneq ($(GIT_SUBMODULES_ACTION),ignore)
$(call quiet-command, \
- (cd $(SRC_PATH) && GIT="$(GIT)" ./scripts/git-submodule.sh update $(GIT_SUBMODULES)), \
- "GIT","$(GIT_SUBMODULES)")
+ (GIT="$(GIT)" "$(SRC_PATH)/scripts/git-submodule.sh" $(GIT_SUBMODULES_ACTION) $(GIT_SUBMODULES)), \
+ "GIT","$(GIT_SUBMODULES)")
endif
-endif
-
-export NINJA=./ninjatool
-
-# Running meson regenerates both build.ninja and ninjatool, and that is
-# enough to prime the rest of the build.
-ninjatool: build.ninja
-
-Makefile.ninja: build.ninja ninjatool
- ./ninjatool -t ninja2make --omit clean dist uninstall cscope TAGS ctags < $< > $@
--include Makefile.ninja
-${ninja-targets-c_COMPILER} ${ninja-targets-cpp_COMPILER}: .var.command += -MP
-
-# If MESON is empty, the rule will be re-evaluated after Makefiles are
-# reread (and MESON won't be empty anymore).
-ifneq ($(MESON),)
-Makefile.mtest: build.ninja scripts/mtest2make.py
- $(MESON) introspect --targets --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@
--include Makefile.mtest
-endif
-
-Makefile: .git-submodule-status
-.git-submodule-status: git-submodule-update config-host.mak
+# 0. ensure the build tree is okay
# Check that we're not trying to do an out-of-tree build from
# a tree that's been used for an in-tree build.
endif
endif
+# force a rerun of configure if config-host.mak is too old or corrupted
+ifeq ($(MESON),)
+.PHONY: config-host.mak
+x := $(shell rm -rf meson-private meson-info meson-logs)
+endif
+ifeq ($(NINJA),)
+.PHONY: config-host.mak
+x := $(shell rm -rf meson-private meson-info meson-logs)
+else
+export NINJA
+endif
+ifeq ($(wildcard build.ninja),)
+.PHONY: config-host.mak
+x := $(shell rm -rf meson-private meson-info meson-logs)
+endif
+ifeq ($(origin prefix),file)
+.PHONY: config-host.mak
+x := $(shell rm -rf meson-private meson-info meson-logs)
+endif
+
+# 1. ensure config-host.mak is up-to-date
config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/pc-bios $(SRC_PATH)/VERSION
- @echo $@ is out-of-date, running configure
+ @echo config-host.mak is out-of-date, running configure
@if test -f meson-private/coredata.dat; then \
./config.status --skip-meson; \
else \
- ./config.status; \
+ ./config.status && touch build.ninja.stamp; \
fi
+# 2. meson.stamp exists if meson has run at least once (so ninja reconfigure
+# works), but otherwise never needs to be updated
+meson-private/coredata.dat: meson.stamp
+meson.stamp: config-host.mak
+ @touch meson.stamp
+
+# 3. ensure generated build files are up-to-date
+
+ifneq ($(NINJA),)
+Makefile.ninja: build.ninja
+ $(quiet-@){ \
+ echo 'ninja-targets = \'; \
+ $(NINJA) -t targets all | sed 's/:.*//; $$!s/$$/ \\/'; \
+ echo 'build-files = \'; \
+ $(NINJA) -t query build.ninja | sed -n '1,/^ input:/d; /^ outputs:/q; s/$$/ \\/p'; \
+-include Makefile.ninja
+
+# A separate rule is needed for Makefile dependencies to avoid -n
+build.ninja: build.ninja.stamp
+$(build-files):
+build.ninja.stamp: meson.stamp $(build-files)
+ $(NINJA) $(if $V,-v,) build.ninja && touch $@
+endif
+
+ifneq ($(MESON),)
+Makefile.mtest: build.ninja scripts/mtest2make.py
+ $(MESON) introspect --targets --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@
+-include Makefile.mtest
+endif
+
+# 4. Rules to bridge to other makefiles
+
+ifneq ($(NINJA),)
+MAKE.n = $(findstring n,$(firstword $(MAKEFLAGS)))
+MAKE.k = $(findstring k,$(firstword $(MAKEFLAGS)))
+MAKE.q = $(findstring q,$(firstword $(MAKEFLAGS)))
+MAKE.nq = $(if $(word 2, $(MAKE.n) $(MAKE.q)),nq)
+NINJAFLAGS = $(if $V,-v) $(if $(MAKE.n), -n) $(if $(MAKE.k), -k0) \
+ $(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(MAKEFLAGS)))) \
+
+ninja-cmd-goals = $(or $(MAKECMDGOALS), all)
+ninja-cmd-goals += $(foreach t, $(.tests), $(.test.deps.$t))
+
+makefile-targets := build.ninja ctags TAGS cscope dist clean uninstall
+# "ninja -t targets" also lists all prerequisites. If build system
+# files are marked as PHONY, however, Make will always try to execute
+# "ninja build.ninja".
+ninja-targets := $(filter-out $(build-files) $(makefile-targets), $(ninja-targets))
+.PHONY: $(ninja-targets) run-ninja
+$(ninja-targets): run-ninja
+
+# Use "| cat" to give Ninja a more "make-y" output. Use "+" to bypass the
+# --output-sync line.
+run-ninja: config-host.mak
+ifneq ($(filter $(ninja-targets), $(ninja-cmd-goals)),)
+ +$(quiet-@)$(if $(MAKE.nq),@:, $(NINJA) -d keepdepfile \
+ $(NINJAFLAGS) $(sort $(filter $(ninja-targets), $(ninja-cmd-goals))) | cat)
+endif
+endif
+
# Force configure to re-run if the API symbols are updated
ifeq ($(CONFIG_PLUGIN),y)
config-host.mak: $(SRC_PATH)/plugins/qemu-plugins.symbols
$(call quiet-command,\
$(MAKE) $(SUBDIR_MAKEFLAGS) -C contrib/plugins V="$(V)", \
"BUILD", "example plugins")
-endif
+endif # $(CONFIG_PLUGIN)
-else
+else # config-host.mak does not exist
config-host.mak:
ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail))
@echo "Please call configure before running make!"
@exit 1
endif
-endif
-
-# Only needed in case Makefile.ninja does not exist.
-.PHONY: ninja-clean ninja-distclean clean-ctlist
-clean-ctlist:
-ninja-clean::
-ninja-distclean::
-build.ninja: config-host.mak
-
-# Don't try to regenerate Makefile or configure
-# We don't generate any of them
-Makefile: ;
-configure: ;
-
-.PHONY: all clean distclean install \
- recurse-all dist msi FORCE
+endif # config-host.mak does not exist
SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet)
include $(SRC_PATH)/tests/Makefile.include
all: recurse-all
-Makefile: $(addsuffix /all, $(SUBDIRS))
-
-# LIBFDT_lib="": avoid breaking existing trees with objects requiring -fPIC
-DTC_MAKE_ARGS=-I$(SRC_PATH)/dtc VPATH=$(SRC_PATH)/dtc -C dtc V="$(V)" LIBFDT_lib=""
-DTC_CFLAGS=$(CFLAGS) $(QEMU_CFLAGS)
-DTC_CPPFLAGS=-I$(SRC_PATH)/dtc/libfdt
-
-.PHONY: dtc/all
-dtc/all: .git-submodule-status dtc/libfdt
- $(call quiet-command,$(MAKE) $(DTC_MAKE_ARGS) CPPFLAGS="$(DTC_CPPFLAGS)" CFLAGS="$(DTC_CFLAGS)" LDFLAGS="$(QEMU_LDFLAGS)" ARFLAGS="$(ARFLAGS)" CC="$(CC)" AR="$(AR)" LD="$(LD)" $(SUBDIR_MAKEFLAGS) libfdt,)
-
-dtc/%: .git-submodule-status
- @mkdir -p $@
-
-# Retain for a while so that incremental build across this patch
-# does not raise an error for missing target "capstone/all", which
-# comes from the saved SUBDIRS value.
-.PHONY: capstone/all
-capstone/all:
-
-.PHONY: slirp/all
-slirp/all: .git-submodule-status
- $(call quiet-command,$(MAKE) -C $(SRC_PATH)/slirp \
- BUILD_DIR="$(BUILD_DIR)/slirp" \
- PKG_CONFIG="$(PKG_CONFIG)" \
- CC="$(CC)" AR="$(AR)" LD="$(LD)" RANLIB="$(RANLIB)" \
- CFLAGS="$(QEMU_CFLAGS) $(CFLAGS)" LDFLAGS="$(QEMU_LDFLAGS)")
ROM_DIRS = $(addprefix pc-bios/, $(ROMS))
ROM_DIRS_RULES=$(foreach t, all clean, $(addsuffix /$(t), $(ROM_DIRS)))
######################################################################
-clean: recurse-clean ninja-clean clean-ctlist
- if test -f ninjatool; then ./ninjatool $(if $(V),-v,) -t clean; fi
+clean: recurse-clean
+ -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean || :
+ -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) clean-ctlist || :
# avoid old build problems by removing potentially incorrect old files
rm -f config.mak op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h
find . \( -name '*.so' -o -name '*.dll' -o -name '*.[oda]' \) -type f \
qemu-%.tar.bz2:
$(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)"
-distclean: clean ninja-distclean
- -test -f ninjatool && ./ninjatool $(if $(V),-v,) -t clean -g
- rm -f config-host.mak config-host.h*
+distclean: clean
+ -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean -g || :
+ rm -f config-host.mak config-host.h* config-poison.h
rm -f tests/tcg/config-*.mak
rm -f config-all-disas.mak config.status
- rm -f tests/qemu-iotests/common.env
rm -f roms/seabios/config.mak roms/vgabios/config.mak
rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols
rm -f *-config-target.h *-config-devices.mak *-config-devices.h
rm -rf meson-private meson-logs meson-info compile_commands.json
- rm -f Makefile.ninja ninjatool ninjatool.stamp Makefile.mtest
+ rm -f Makefile.ninja Makefile.mtest build.ninja.stamp meson.stamp
rm -f config.log
rm -f linux-headers/asm
rm -Rf .sdk
-find-src-path = find "$(SRC_PATH)/" -path "$(SRC_PATH)/meson" -prune -o -name "*.[chsS]"
+find-src-path = find "$(SRC_PATH)/" -path "$(SRC_PATH)/meson" -prune -o \( -name "*.[chsS]" -o -name "*.[ch].inc" \)
.PHONY: ctags
ctags:
- rm -f tags
- $(find-src-path) -exec ctags --append {} +
+ $(call quiet-command, \
+ rm -f "$(SRC_PATH)/"tags, \
+ "CTAGS", "Remove old tags")
+ $(call quiet-command, \
+ $(find-src-path) -exec ctags \
+ -f "$(SRC_PATH)/"tags --append {} +, \
+ "CTAGS", "Re-index $(SRC_PATH)")
+
+.PHONY: gtags
+gtags:
+ $(call quiet-command, \
+ rm -f "$(SRC_PATH)/"GTAGS; \
+ rm -f "$(SRC_PATH)/"GRTAGS; \
+ rm -f "$(SRC_PATH)/"GPATH, \
+ "GTAGS", "Remove old $@ files")
+ $(call quiet-command, \
+ (cd $(SRC_PATH) && \
+ $(find-src-path) | gtags -f -), \
+ "GTAGS", "Re-index $(SRC_PATH)")
.PHONY: TAGS
TAGS:
- rm -f TAGS
- $(find-src-path) -exec etags --append {} +
+ $(call quiet-command, \
+ rm -f "$(SRC_PATH)/"TAGS, \
+ "TAGS", "Remove old $@")
+ $(call quiet-command, \
+ $(find-src-path) -exec etags \
+ -f "$(SRC_PATH)/"TAGS --append {} +, \
+ "TAGS", "Re-index $(SRC_PATH)")
.PHONY: cscope
cscope:
- rm -f "$(SRC_PATH)"/cscope.*
- $(find-src-path) -print | sed -e 's,^\./,,' > "$(SRC_PATH)/cscope.files"
- cscope -b -i"$(SRC_PATH)/cscope.files"
+ $(call quiet-command, \
+ rm -f "$(SRC_PATH)/"cscope.* , \
+ "cscope", "Remove old $@ files")
+ $(call quiet-command, \
+ ($(find-src-path) -print | sed -e 's,^\./,,' \
+ > "$(SRC_PATH)/cscope.files"), \
+ "cscope", "Create file list")
+ $(call quiet-command, \
+ cscope -b -i"$(SRC_PATH)/cscope.files" \
+ -f"$(SRC_PATH)"/cscope.out, \
+ "cscope", "Re-index $(SRC_PATH)")
# Needed by "meson install"
export DESTDIR
include $(SRC_PATH)/tests/vm/Makefile.include
print-help-run = printf " %-30s - %s\\n" "$1" "$2"
-print-help = $(quiet-@)$(call print-help-run,$1,$2)
+print-help = @$(call print-help-run,$1,$2)
.PHONY: help
help:
$(call print-help,all,Build all)
$(call print-help,dir/file.o,Build specified target only)
$(call print-help,install,Install QEMU, documentation and tools)
- $(call print-help,ctags/TAGS,Generate tags file for editors)
+ $(call print-help,ctags/gtags/TAGS,Generate tags file for editors)
$(call print-help,cscope,Generate cscope index)
$(call print-help,sparse,Run sparse on the QEMU source)
@echo ''
@echo 'Test targets:'
$(call print-help,check,Run all tests (check-help for details))
$(call print-help,bench,Run all benchmarks)
- $(call print-help,docker,Help about targets running tests inside containers)
+ $(call print-help,docker-help,Help about targets running tests inside containers)
$(call print-help,vm-help,Help about targets running tests inside VM)
@echo ''
@echo 'Documentation targets:'
ifdef CONFIG_WIN32
@echo 'Windows targets:'
$(call print-help,installer,Build NSIS-based installer for QEMU)
-ifdef CONFIG_QGA_MSI
$(call print-help,msi,Build MSI-based installer for qemu-ga)
-endif
@echo ''
endif
$(call print-help,$(MAKE) [targets],(quiet build, default))