configure.sh: Add --enable-bear for autotools builds.

With --enable-bear all autotools projects will be built via bear so
compile_commands.json are generated.

Makefile.in

@@ -62,6 +62,12 @@ ifneq ($(SUPPRESS_WARNINGS),)
 	COMMON_FLAGS += -w
 endif
 
+ifeq ($(ENABLE_BEAR),1)
+	BEAR := bear --append --
+else
+	BEAR :=
+endif
+
 $(DST_DIR):
 	mkdir -p $@
 
@@ -1127,10 +1133,10 @@ redist: all
 .PHONY: module32 module64 module
 
 module32: | all-source wine-configure32
-	+$(MAKE) -j$(J) $(filter -j%,$(MAKEFLAGS)) $(MFLAGS) $(MAKEOVERRIDES) -C $(WINE_OBJ32)/dlls/$(module)
+	+$(BEAR) $(MAKE) -j$(J) $(filter -j%,$(MAKEFLAGS)) $(MFLAGS) $(MAKEOVERRIDES) -C $(WINE_OBJ32)/dlls/$(module)
 
 module64: | all-source wine-configure64
-	+$(MAKE) -j$(J) $(filter -j%,$(MAKEFLAGS)) $(MFLAGS) $(MAKEOVERRIDES) -C $(WINE_OBJ64)/dlls/$(module)
+	+$(BEAR) $(MAKE) -j$(J) $(filter -j%,$(MAKEFLAGS)) $(MFLAGS) $(MAKEOVERRIDES) -C $(WINE_OBJ64)/dlls/$(module)
 
 module: | all-source wine-configure
 module: module32 module64

configure.sh

@@ -170,6 +170,9 @@ function configure() {
     if [[ -n "$arg_enable_ccache" ]]; then
       echo "ENABLE_CCACHE := 1"
     fi
+    if [[ -n "$arg_enable_bear" ]]; then
+      echo "ENABLE_BEAR := 1"
+    fi
 
     # Include base
     echo ""
@@ -190,6 +193,7 @@ arg_container_engine=""
 arg_docker_opts=""
 arg_relabel_volumes=""
 arg_enable_ccache=""
+arg_enable_bear=""
 arg_help=""
 invalid_args=""
 function parse_args() {
@@ -236,6 +240,8 @@ function parse_args() {
       arg_relabel_volumes="1"
     elif [[ $arg = --enable-ccache ]]; then
       arg_enable_ccache="1"
+    elif [[ $arg = --enable-bear ]]; then
+      arg_enable_bear="1"
     elif [[ $arg = --proton-sdk-image ]]; then
       val_used=1
       arg_protonsdk_image="$val"
@@ -291,6 +297,8 @@ usage() {
   "$1" ""
   "$1" "    --enable-ccache Mount \$CCACHE_DIR or \$HOME/.ccache inside of the container and use ccache for the build."
   "$1" ""
+  "$1" "    --enable-bear Invokes make via bear creating compile_commands.json."
+  "$1" ""
   "$1" "  Steam Runtime"
   "$1" "    Proton builds that are to be installed & run under the steam client must be built with"
   "$1" "    the Steam Runtime SDK to ensure compatibility.  See README.md for more information."

make/rules-autoconf.mk

@@ -31,8 +31,8 @@ $$(OBJ)/.$(1)-configure$(3): $$(OBJ)/.$(1)-pre-configure
 
 $$(OBJ)/.$(1)-build$(3):
 	@echo ":: building $(3)bit $(1)..." >&2
-	cd "$$($(2)_OBJ$(3))" && env $$($(2)_ENV$(3)) \
+	+cd "$$($(2)_OBJ$(3))" && env $$($(2)_ENV$(3)) \
-	$$(MAKE)
+	$$(BEAR) $$(MAKE)
 	cd "$$($(2)_OBJ$(3))" && env $$($(2)_ENV$(3)) \
 	$$(MAKE) install
 	touch $$@

make/rules-configure.mk

@@ -24,8 +24,8 @@ $$(OBJ)/.$(1)-configure$(3):
 
 $$(OBJ)/.$(1)-build$(3):
 	@echo ":: building $(3)bit $(1)..." >&2
-	cd "$$($(2)_OBJ$(3))" && env $$($(2)_ENV$(3)) \
+	+cd "$$($(2)_OBJ$(3))" && env $$($(2)_ENV$(3)) \
-	$$(MAKE)
+	$$(BEAR) $$(MAKE)
 	cd "$$($(2)_OBJ$(3))" && env $$($(2)_ENV$(3)) \
 	$$(MAKE) install
 	touch $$@