On Thu, Jul 4, 2013 at 9:53 AM, Warlich, Christof < [email protected]> wrote:
> > When I change something in the kernel and just hit make from toplevel > > dir, it always compiles everything again, no matter if it wasn't changed > > at all in the meantime. > > I thought make should be able to make a second build time really quick. > > What am I doing wrong? Is there a make target I don't know of? I don't > > type in any, just make. > > Are you sure it rebuilds _everything_, i.e. as in a fresh build or after a > "make clean?" > > When I rerun make without changing anything, it just does the following, > which is much > Less than a complete build: > > $ make > make -C /root/views/DCUOS_3/derived/tdc/kernel > O=/root/views/DCUOS_3/derived/tdc/kernelObjects/. > Using /root/views/DCUOS_3/derived/tdc/kernel as source for kernel > GEN /root/views/DCUOS_3/derived/tdc/kernelObjects/Makefile > CHK include/linux/version.h > CHK include/linux/utsrelease.h > SYMLINK include/asm -> include/asm-x86 > CALL /root/views/DCUOS_3/derived/tdc/kernel/scripts/checksyscalls.sh > CHK include/linux/compile.h > VDSOSYM arch/x86/vdso/vdso32-int80-syms.lds > VDSOSYM arch/x86/vdso/vdso32-sysenter-syms.lds > VDSOSYM arch/x86/vdso/vdso32-syms.lds > LD arch/x86/vdso/built-in.o > LD arch/x86/built-in.o > LD vmlinux.o > MODPOST vmlinux.o > GEN .version > CHK include/linux/compile.h > UPD include/linux/compile.h > CC init/version.o > LD init/built-in.o > LD .tmp_vmlinux1 > KSYM .tmp_kallsyms1.S > AS .tmp_kallsyms1.o > LD .tmp_vmlinux2 > KSYM .tmp_kallsyms2.S > AS .tmp_kallsyms2.o > LD vmlinux > SYSMAP System.map > SYSMAP .tmp_System.map > VOFFSET arch/x86/boot/voffset.h > OBJCOPY arch/x86/boot/compressed/vmlinux.bin > GZIP arch/x86/boot/compressed/vmlinux.bin.gz > MKPIGGY arch/x86/boot/compressed/piggy.S > AS arch/x86/boot/compressed/piggy.o > LD arch/x86/boot/compressed/vmlinux > ZOFFSET arch/x86/boot/zoffset.h > AS arch/x86/boot/header.o > CC arch/x86/boot/version.o > LD arch/x86/boot/setup.elf > OBJCOPY arch/x86/boot/setup.bin > OBJCOPY arch/x86/boot/vmlinux.bin > BUILD arch/x86/boot/bzImage > Root device is (8, 5) > Setup is 11148 bytes (padded to 11264 bytes). > System is 1759 kB > CRC f583db84 > Kernel: arch/x86/boot/bzImage is ready (#3) > Building modules, stage 2. > MODPOST 1 modules > _______________________________________________ > Kernelnewbies mailing list > [email protected] > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > Am also pretty sure it does not compile everything.
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