build: cleanups to Makefile
Group similar rules, add comments to "else" and "endif" lines,
detect too-old config-host.mak before messing things up.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/Makefile b/Makefile
index 91c62a2..53d624a 100644
--- a/Makefile
+++ b/Makefile
@@ -30,13 +30,21 @@
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 ($(wildcard config-host.mak),)
-# Put the all: rule here so that config-host.mak can contain dependencies.
-all:
include config-host.mak
git-submodule-update:
+.git-submodule-status: git-submodule-update config-host.mak
+Makefile: .git-submodule-status
.PHONY: git-submodule-update
@@ -84,9 +92,7 @@
-include Makefile.mtest
endif
-Makefile: .git-submodule-status
-.git-submodule-status: git-submodule-update config-host.mak
-
+# Ensure the build tree is okay.
# Check that we're not trying to do an out-of-tree build from
# a tree that's been used for an in-tree build.
ifneq ($(realpath $(SRC_PATH)),$(realpath .))
@@ -97,6 +103,20 @@
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 := $(shell rm -rf meson-private meson-info meson-logs)
+endif
+ifeq ($(wildcard build.ninja),)
+.PHONY: config-host.mak
+x := $(shell rm -rf meson-private meson-info meson-logs)
+endif
+
config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/pc-bios $(SRC_PATH)/VERSION
@echo $@ is out-of-date, running configure
@if test -f meson-private/coredata.dat; then \
@@ -114,15 +134,15 @@
$(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 $(MAKECMDGOALS),,fail))
@echo "Please call configure before running make!"
@exit 1
endif
-endif
+endif # config-host.mak does not exist
# Only needed in case Makefile.ninja does not exist.
.PHONY: ninja-clean ninja-distclean clean-ctlist
@@ -131,20 +151,11 @@
ninja-distclean::
build.ninja: config-host.mak
-# Don't try to regenerate Makefile or configure
-# We don't generate any of them
-Makefile: ;
-configure: ;
-
-.PHONY: all clean distclean install \
- recurse-all dist msi FORCE
-
SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet)
include $(SRC_PATH)/tests/Makefile.include
all: recurse-all
-Makefile:
ROM_DIRS = $(addprefix pc-bios/, $(ROMS))
ROM_DIRS_RULES=$(foreach t, all clean, $(addsuffix /$(t), $(ROM_DIRS)))
