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build: fix creation of tools dir with make 3.81 

GNU make 3.81 apparently does not support order-only prerequisites
with pattern rules, and thus fails to create the tools directory
if it is missing.  Naming the objects explicitly in the rule makes
it work properly.

Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard 2011-06-29 11:46:08 +01:00
parent e2542dcc6e
commit f68069868b
1 changed files with 5 additions and 2 deletions
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7
Makefile
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@ -56,7 +56,6 @@ PROGS-$(CONFIG_FFSERVER) += ffserver
PROGS := $(PROGS-yes:%=%$(EXESUF))
OBJS = $(PROGS-yes:%=%.o) cmdutils.o
TOOLS = $(addprefix tools/, $(addsuffix $(EXESUF), cws2fws graph2dot lavfi-showfiltfmts pktdumper probetest qt-faststart trasher))
TESTTOOLS = audiogen videogen rotozoom tiny_psnr base64
HOSTPROGS := $(TESTTOOLS:%=tests/%)
@ -117,12 +116,16 @@ ffserver$(EXESUF): FF_LDFLAGS += $(FFSERVERLDFLAGS)
$(PROGS): %$(EXESUF): %.o cmdutils.o $(FF_DEP_LIBS)
$(LD) $(FF_LDFLAGS) -o $@ $< cmdutils.o $(FF_EXTRALIBS)
TOOLS = cws2fws graph2dot lavfi-showfiltfmts pktdumper probetest qt-faststart trasher
TOOLOBJS := $(TOOLS:%=tools/%.o)
TOOLS := $(TOOLS:%=tools/%$(EXESUF))
alltools: $(TOOLS)
tools/%$(EXESUF): tools/%.o
$(LD) $(FF_LDFLAGS) -o $@ $< $(FF_EXTRALIBS)
tools/%.o: tools/%.c | tools
$(TOOLOBJS): %.o: %.c | tools
$(CC) $(CPPFLAGS) $(CFLAGS) -c $(CC_O) $<
OBJDIRS += tools