checkheaders: Fix directory creation in out-of-tree builds.

checkheaders wasn't creating folders as needed, so if it was run
immediately after the configure script it would fail as soon as
it tried to compile headers inside the ARCH folders.

Signed-off-by: Alexander Strasser <eclipse7@gmx.net>

1 files changed, 8 insertions, 6 deletions

diff --git a/common.mak b/common.mak
index eed8f08c6d..ec706480d0 100644
--- a/common.mak
+++ b/common.mak
@@ -97,7 +97,8 @@ DEP_LIBS := $(foreach NAME,$(FFLIBS),lib$(NAME)/$($(CONFIG_SHARED:yes=S)LIBNAME)
 ALLHEADERS := $(subst $(SRC_DIR)/,$(SUBDIR),$(wildcard $(SRC_DIR)/*.h $(SRC_DIR)/$(ARCH)/*.h))
 SKIPHEADERS += $(ARCH_HEADERS:%=$(ARCH)/%) $(SKIPHEADERS-)
 SKIPHEADERS := $(SKIPHEADERS:%=$(SUBDIR)%)
-checkheaders: $(filter-out $(SKIPHEADERS:.h=.ho),$(ALLHEADERS:.h=.ho))
+HEADEROBJS  := $(filter-out $(SKIPHEADERS:.h=.ho),$(ALLHEADERS:.h=.ho))
+checkheaders:  $(HEADEROBJS)
 
 alltools: $(TOOLS)
 
@@ -107,12 +108,13 @@ $(HOSTOBJS): %.o: %.c
 $(HOSTPROGS): %$(HOSTEXESUF): %.o
 	$(HOSTCC) $(HOSTLDFLAGS) -o $@ $< $(HOSTLIBS)
 
-$(OBJS):     | $(sort $(dir $(OBJS)))
-$(HOSTOBJS): | $(sort $(dir $(HOSTOBJS)))
-$(TESTOBJS): | $(sort $(dir $(TESTOBJS)))
-$(TOOLOBJS): | tools
+$(OBJS):       | $(sort $(dir $(OBJS)))
+$(HOSTOBJS):   | $(sort $(dir $(HOSTOBJS)))
+$(TESTOBJS):   | $(sort $(dir $(TESTOBJS)))
+$(HEADEROBJS): | $(sort $(dir $(HEADEROBJS)))
+$(TOOLOBJS):   | tools
 
-OBJDIRS := $(OBJDIRS) $(dir $(OBJS) $(HOSTOBJS) $(TESTOBJS))
+OBJDIRS := $(OBJDIRS) $(dir $(OBJS) $(HOSTOBJS) $(TESTOBJS) $(HEADEROBJS))
 
 CLEANSUFFIXES     = *.d *.o *~ *.ho *.map *.ver *.gcno *.gcda
 DISTCLEANSUFFIXES = *.pc