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contrib/plugins: use an independent makefile

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The initial reason to write this patch was to remove the last use of
CONFIG_DEBUG_TCG from the makefiles; the flags to use to build TCG
plugins are unrelated to --enable-debug-tcg, and instead they should
be the same as those used to build emulators (the plugins are not build
via meson for demonstration reasons only).

However, since contrib/plugins/Makefile is also the last case of doing
a compilation job using config-host.mak, go a step further and make it
use a completely separate configuration file, removing all references
to compilers from the toplevel config-host.mak.  Clean up references to
empty variables, and use .SECONDARY so that intermediate object files
are not deleted.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2023-09-07 12:54:42 +02:00
parent 1d558c906e
commit bafe78ad3b
2 changed files with 20 additions and 11 deletions
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16
contrib/plugins/Makefile
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@ -6,11 +6,11 @@
# programs that the main configure has already done for us.
#
BUILD_DIR := $(CURDIR)/../..
include config-host.mak
include $(BUILD_DIR)/config-host.mak
TOP_SRC_PATH = $(SRC_PATH)/../..
VPATH += $(SRC_PATH)/contrib/plugins
VPATH += $(SRC_PATH)
NAMES :=
NAMES += execlog
@ -26,15 +26,14 @@ SONAMES := $(addsuffix .so,$(addprefix lib,$(NAMES)))
# The main QEMU uses Glib extensively so it's perfectly fine to use it
# in plugins (which many example do).
CFLAGS := $(shell $(PKG_CONFIG) --cflags glib-2.0)
CFLAGS += -fPIC -Wall
CFLAGS += $(if $(CONFIG_DEBUG_TCG), -ggdb -O0)
CFLAGS += -I$(SRC_PATH)/include/qemu
PLUGIN_CFLAGS := $(shell $(PKG_CONFIG) --cflags glib-2.0)
PLUGIN_CFLAGS += -fPIC -Wall
PLUGIN_CFLAGS += -I$(TOP_SRC_PATH)/include/qemu
all: $(SONAMES)
%.o: %.c
$(CC) $(CFLAGS) -c -o $@ $<
$(CC) $(CFLAGS) $(PLUGIN_CFLAGS) -c -o $@ $<
lib%.so: %.o
ifeq ($(CONFIG_DARWIN),y)
@ -48,3 +47,4 @@ clean:
rm -Rf .libs
.PHONY: all clean
.SECONDARY: