Your message dated Wed, 20 May 2020 14:35:13 -0700 with message-id <[email protected]> and subject line use explicit rules for phoiny targets has caused the Debian Bug report #897065, regarding make: please use implicit rules for phony targets to be marked as done.
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--- Begin Message ---Package: make Version: 4.1-9.1 Severity: wishlist Hello, I have a Makefile that works with a set of files and can run various checks over them. A simplified variant looks as follows: user@hostname:~/maketest$ cat Makefile all: check-debian check-ubuntu check-%: list-% @echo test for $< succeeded .PHONY: all check-debian With this Makefile (and the needed list files for debian and ubuntu: user@hostname:~/maketest$ ls list-debian list-ubuntu Makefile ) running make skips over check-debian's commands: user@hostname:~/maketest$ make -r test for list-ubuntu succeeded When adding -d I get: ... Must remake target 'check-debian'. Successfully remade target file 'check-debian'. ... Must remake target 'check-ubuntu'. Putting child 0x559b3ec13e70 (check-ubuntu) PID 32112 on the chain. Live child 0x559b3ec13e70 (check-ubuntu) PID 32112 test for list-ubuntu succeeded Reaping winning child 0x559b3ec13e70 PID 32112 Removing child 0x559b3ec13e70 PID 32112 from chain. Successfully remade target file 'check-ubuntu'. ... This matches the documentation, which has: The implicit rule search (see Implicit Rules) is skipped for .PHONY targets. I discussed this on irc and someone found an older GNU Make Manual stating: Since it knows that phony targets do not name actual files that could be remade from other files, make skips the implicit rule search for phony targets. IMHO this reasoning is wrong as in my case implicit rules for phony targets would be useful even though "check-debian" isn't the name of an actual file. My workaround for the Makefile is to not list the check-% targets in .PHONY, but actually they are phony and I'd like to make use of the advantages of declaring them as such. Best regards Uwe -- System Information: Debian Release: buster/sid APT prefers testing APT policy: (700, 'testing'), (600, 'unstable'), (500, 'unstable-debug'), (500, 'stable'), (499, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.15.0-3-amd64 (SMP w/4 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages make depends on: ii libc6 2.27-3 make recommends no packages. Versions of packages make suggests: ii make-doc 4.2.1-1 -- no debconf information
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--- Begin Message ---Hi, Please report this upstream. Since this bug is degraded to a documentation featuire request for a document in non-free, it does not belong with make-dfsg, and I try not to carry diffs against non-free packages. This report does belong upstream, so everyone benefits from the clarification. Manoj -- "Free markets select for winning solutions." -- Eric S. Raymond Manoj Srivastava <[email protected]> <http://www.golden-gryphon.com/> 4096R/C5779A1C E37E 5EC5 2A01 DA25 AD20 05B6 CF48 9438 C577 9A1C
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