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stamp files

From: Derek R. Price
Subject: stamp files
Date: Fri, 26 Jan 2001 10:43:48 -0500

Why do automake stamp targets go through all the trouble of creating a
temporary stamp file before executing config.status and then moving the
stamp file into the correct position?

    thirdfile.h: stamp-h3
            @if test ! -f $@; then \
                    rm -f stamp-h3; \
                    $(MAKE) stamp-h3; \
            else :; fi
    stamp-h3: $(srcdir)/ $(top_builddir)/config.status
            @rm -f stamp-h3 stamp-h3T
            @echo timestamp > stamp-h3T 2> /dev/null
            cd $(top_builddir) \
              && CONFIG_FILES= CONFIG_HEADERS=thirdfile.h \
                 $(SHELL) ./config.status
            @mv stamp-h3T stamp-h3


Derek Price                      CVS Solutions Architect ( )
mailto:address@hidden     OpenAvenue ( )
I will not aim for the head.
I will not aim for the head.
I will not aim for the head...

          - Bart Simpson on chalkboard, _The Simpsons_

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