File seabios-fix-parallel-make.patch of Package kvm

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File seabios-fix-parallel-make.patch of Package kvm (Revision 5694191fc7e625cc76ce2928509ddc64)

Currently displaying revision 5694191fc7e625cc76ce2928509ddc64 , Show latest

commit 32aa9f362b2265279daafcba26bc574324479c93
Author: Stefan Reinauer <reinauer@google.com>
Date:   Thu Jan 27 18:39:01 2011 -0800

fix parallel compilation of SeaBIOS
    
    See patch.
    
    Signed-off-by: Stefan Reinauer <reinauer@google.com>

Index: qemu-kvm-0.14.0/roms/seabios/Makefile
===================================================================
--- qemu-kvm-0.14.0.orig/roms/seabios/Makefile
+++ qemu-kvm-0.14.0/roms/seabios/Makefile
@@ -128,7 +128,7 @@ $(OUT)code16.o: romlayout.S $(OUT)ccode.
 	@echo "  Compiling (16bit) $@"
 	$(Q)$(CC) $(CFLAGS16INC) -c -D__ASSEMBLY__ $< -o $@
 
-$(OUT)romlayout16.lds $(OUT)romlayout32seg.lds $(OUT)romlayout32flat.lds $(OUT)code32flat.o: $(OUT)ccode32flat.o $(OUT)code32seg.o $(OUT)code16.o tools/layoutrom.py
+$(OUT)romlayout16.lds: $(OUT)ccode32flat.o $(OUT)code32seg.o $(OUT)code16.o tools/layoutrom.py
 	@echo "  Building ld scripts (version \"$(VERSION)\")"
 	$(Q)echo 'const char VERSION[] = "$(VERSION)";' > $(OUT)version.c
 	$(Q)$(CC) $(CFLAGS32FLAT) -c $(OUT)version.c -o $(OUT)version.o
@@ -138,6 +138,9 @@ $(OUT)romlayout16.lds $(OUT)romlayout32s
 	$(Q)$(OBJDUMP) -thr $(OUT)code16.o > $(OUT)code16.o.objdump
 	$(Q)./tools/layoutrom.py $(OUT)code16.o.objdump $(OUT)code32seg.o.objdump $(OUT)code32flat.o.objdump $(OUT)romlayout16.lds $(OUT)romlayout32seg.lds $(OUT)romlayout32flat.lds
 
+# These are actually built by tools/layoutrom.py above, but by pulling them
+# into an extra rule we prevent make -j from spawning layoutrom.py 4 times.
+$(OUT)romlayout32seg.lds $(OUT)romlayout32flat.lds $(OUT)code32flat.o: $(OUT)romlayout16.lds
 
 $(OUT)rom16.o: $(OUT)code16.o $(OUT)romlayout16.lds
 	@echo "  Linking $@"

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File seabios-fix-parallel-make.patch of Package kvm (Revision 5694191fc7e625cc76ce2928509ddc64)

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