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    SubjectRe: [PATCH][2.4] Speedup 'make dep'
    Date
    On Tuesday 21 January 2003 02:03, Benoit Poulot-Cazajous wrote:

    Hi Marcelo,

    apply this too, please!

    > During 'make dep', make spends most of its time (sometimes more
    > than 75%) uselessly analysing .hdepend. Delaying its production
    > makes 'make dep' much faster.
    > The following patch also builds .depend last, in order to make
    > the dependency information generation more resistant against
    > ^C and other failures.
    >
    > Regards,
    >
    > -- Benoit
    diff -Nru a/Makefile b/Makefile
    --- a/Makefile 2003-01-10 22:32:25.000000000 +0100
    +++ b/Makefile 2003-01-20 09:52:43.000000000 +0100
    @@ -488,12 +488,13 @@
    find . -type f -print | sort | xargs sum > .SUMS

    dep-files: scripts/mkdep archdep include/linux/version.h
    - scripts/mkdep -- init/*.c > .depend
    - scripts/mkdep -- `find $(FINDHPATH) \( -name SCCS -o -name .svn \) -prune -o -follow -name \*.h ! -name modversions.h -print` > .hdepend
    + rm -f .depend .hdepend
    $(MAKE) $(patsubst %,_sfdep_%,$(SUBDIRS)) _FASTDEP_ALL_SUB_DIRS="$(SUBDIRS)"
    ifdef CONFIG_MODVERSIONS
    $(MAKE) update-modverfile
    endif
    + scripts/mkdep -- `find $(FINDHPATH) \( -name SCCS -o -name .svn \) -prune -o -follow -name \*.h ! -name modversions.h -print` > .hdepend
    + scripts/mkdep -- init/*.c > .depend

    ifdef CONFIG_MODVERSIONS
    MODVERFILE := $(TOPDIR)/include/linux/modversions.h
    \
     
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