Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

[mirror_qemu.git] / rules.mak

diff --git a/rules.mak b/rules.mak
index 04c7f74d0786f5df332f8b2c38bc04d49ce6c2bd..967295dd2b641b068970015dd442410e8ff3f55f 100644 (file)
--- a/rules.mak
+++ b/rules.mak
@@ -1,4 +1,7 @@
 
+# These are used when we want to do substitutions without confusing Make
+NULL  :=
+SPACE := $(NULL) #
 COMMA := ,
 
 # Don't use implicit rules or variables
@@ -129,7 +132,9 @@ modules:
 #  otherwise print the 'quiet' output in the format "  NAME     args to print"
 # NAME should be a short name of the command, 7 letters or fewer.
 # If called with only a single argument, will print nothing in quiet mode.
-quiet-command = $(if $(V),$1,$(if $(2),@printf "  %-7s %s\n" $2 $3 && $1, @$1))
+quiet-command-run = $(if $(V),,$(if $2,printf "  %-7s %s\n" $2 $3 && ))$1
+quiet-@ = $(if $(V),,@)
+quiet-command = $(quiet-@)$(call quiet-command-run,$1,$2,$3)
 
 # cc-option
 # Usage: CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0)
@@ -139,7 +144,7 @@ cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
 cc-c-option = $(if $(shell $(CC) $1 $2 -c -o /dev/null -xc /dev/null \
                 >/dev/null 2>&1 && echo OK), $2, $3)
 
-VPATH_SUFFIXES = %.c %.h %.S %.cc %.cpp %.m %.mak %.texi %.sh %.rc
+VPATH_SUFFIXES = %.c %.h %.S %.cc %.cpp %.m %.mak %.texi %.sh %.rc Kconfig% %.json.in
 set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1)))
 
 # install-prog list, dir
@@ -322,7 +327,7 @@ endef
 #     ../water/ice.mo-libs = -licemaker
 #     ../water/ice.mo-objs = ../water/ice1.o ../water/ice2.o
 #
-# Note that 'hot' didn't include 'season/' in the input, so 'summer.o' is not
+# Note that 'hot' didn't include 'water/' in the input, so 'steam.o' is not
 # included.
 #
 define unnest-vars
@@ -387,3 +392,10 @@ TEXI2MAN = $(call quiet-command, \
        $(call TEXI2MAN)
 %.8:
        $(call TEXI2MAN)
+
+GEN_SUBST = $(call quiet-command, \
+       sed -e "s!@libexecdir@!$(libexecdir)!g" < $< > $@, \
+       "GEN","$@")
+
+%.json: %.json.in
+       $(call GEN_SUBST)