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A non-absolute path on an include command is always treated as being
relative to the directory in which "make" was started in, rather than
being relative to the makefile that contains the command. For example,
given the following project structure and file contents:
* Makefile: include src/foo.mk
* src/foo.mk: include bar.mk
* src/bar.mk:
Running "make" on the root project directory (that is, where "Makefile"
is) yields the following:
src/foo.mk:1: bar.mk: No such file or directory
As "bar.mk" in "include bar.mk" is relative to the current (process)
directory (that is, "./bar.mk") and not to where foo.mk is located in
("./src/bar.mk").
So on every makefile that contains an include command, define the root
project directory in the ROOT variable and always include relative to
it, to later enable any included mkfiles to include other mkfiles
without having to worry about the correct path.
Commands used to search and replace:
$ git grep -Flz 'include ../common.mk' -- src |
xargs -0 -I '{}' sh -c \
"printf '%s\n' \"\`sed 's|include ../common.mk|ROOT = ../..\ninclude \$(ROOT)/src/common.mk|' '{}'\`\" >'{}'"
Environment: GNU make 4.3-3.1 on Artix Linux
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This amends commit ebe4c93f2 ("profstats cleanup", 2021-12-01) / #4730.
This is the second paragraph verbatim of one of the GPL license notices
recommended by GNU[1]:
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
On all but one (external) file (and on src/profstats/main.c), the notice
uses the same spacing:
$ git grep -I -F 'FITNESS FOR A PARTICULAR PURPOSE. See' | wc -l
156
$ git grep -I -F 'FITNESS FOR A PARTICULAR PURPOSE. See'
m4/ax_check_compile_flag.m4:# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
src/profstats/main.c: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
[1] https://www.gnu.org/licenses/gpl-howto.en.html
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development
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profstats - correct variable for include global
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Avoid a stat() call for each affected target and also potentially speed
up parallel builds.
From the GNU make manual[1]:
> Phony targets are also useful in conjunction with recursive
> invocations of make (see Recursive Use of make). In this situation
> the makefile will often contain a variable which lists a number of
> sub-directories to be built.
[...]
> The implicit rule search (see Implicit Rules) is skipped for .PHONY
> targets. This is why declaring a target as .PHONY is good for
> performance, even if you are not worried about the actual file
> existing.
Commands used to search, replace and cleanup:
$ find -type f -name '*Makefile.in' -exec sed -i.bak \
-e 's/^all:/.PHONY: all\nall:/' \
-e 's/^clean:/.PHONY: clean\nclean:/' \
-e 's/^distclean:/.PHONY: distclean\ndistclean:/' '{}' +
$ find -type f -name '*Makefile.in.bak' -exec rm '{}' +
[1]: https://www.gnu.org/software/make/manual/html_node/Phony-Targets.html
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Kelvin M. Klann
netblue30
glitsj16
pholodniak
startx2017
netblue30
rusty-snake