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49caa483b3
Changes since 20181221 are mostly portability related
hence the large gap in versions imported.
There are however some bug fixes, and a rework of filemon handling.
In NetBSD make/filemon/filemon_ktrace.c allows use of fktrace
and elimination of filemon(4) which has not had the TLC it needs.
FreeBSD filemon(4) is in much better shape, so bmake/filemon/filemon_dev.c
allows use of that, with a bit less overhead than the ktrace model.
Summary of changes from ChangeLog
o str.c: empty string does not match % pattern
plus unit-test changes
o var.c: import handling of old sysV style modifier using '%'
o str.c: refactor brk_string
o meta.c: meta_oodate, CHECK_VALID_META is too aggressive for CMD
a blank command is perfectly valid.
o meta.c: meta_oodate, check for corrupted meta file
earlier and more often.
* meta.c: meta_compat_parent check for USE_FILEMON
patch from Soeren Tempel
o meta.c: fix compat mode, need to call meta_job_output()
o job.c: extra fds for meta mode not needed if using filemon_dev
o meta.c: avoid passing NULL to filemon_*() when meta_needed()
returns FALSE.
o filemon/filemon_{dev,ktrace}.c: allow selection of
filemon implementation. filemon_dev.c uses the kernel module
while filemon_ktrace.c leverages the fktrace api available in
NetBSD. filemon_ktrace.c can hopefully form the basis for
adding support for other tracing mechanisms such as strace on
Linux.
o meta.c: when target is out-of-date per normal make rules
record value of .OODATE in meta file.
o parse.c: don't pass NULL to realpath(3)
some versions cannot handle it.
o parse.c: ParseDoDependency: free paths rather than assert
plus more unit-tests
53 lines
1.1 KiB
Makefile
53 lines
1.1 KiB
Makefile
# $Id: forloop.mk,v 1.1.1.2 2020/05/05 00:54:40 sjg Exp $
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all: for-loop
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LIST = one "two and three" four "five"
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.if make(for-fail)
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for-fail:
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XTRA_LIST = xtra
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.else
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.for x in ${LIST}
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X!= echo 'x=$x' >&2; echo
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.endfor
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CFL = -I/this -I"This or that" -Ithat "-DTHIS=\"this and that\""
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cfl=
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.for x in ${CFL}
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X!= echo 'x=$x' >&2; echo
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.if empty(cfl)
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cfl= $x
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.else
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cfl+= $x
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.endif
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.endfor
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X!= echo 'cfl=${cfl}' >&2; echo
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.if ${cfl} != ${CFL}
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.error ${.newline}'${cfl}' != ${.newline}'${CFL}'
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.endif
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.for a b in ${EMPTY}
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X!= echo 'a=$a b=$b' >&2; echo
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.endfor
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# Since at least 1993, iteration stops at the first newline.
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# Back then, the .newline variable didn't exist, therefore it was unlikely
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# that a newline ever occured.
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.for var in a${.newline}b${.newline}c
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X!= echo 'newline-item=('${var:Q}')' 1>&2; echo
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.endfor
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.endif # for-fail
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.for a b in ${LIST} ${LIST:tu} ${XTRA_LIST}
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X!= echo 'a=$a b=$b' >&2; echo
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.endfor
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for-loop:
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@echo We expect an error next:
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@(cd ${.CURDIR} && ${.MAKE} -f ${MAKEFILE} for-fail) && \
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{ echo "Oops that should have failed!"; exit 1; } || echo OK
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