On Thu, 04 Apr 2024 19:01:58 +0200 Jonas Smedegaard <jo...@jones.dk> wrote:
Quoting James Valleroy (2024-04-04 16:13:07) > On 3/28/24 4:08 AM, Petter Reinholdtsen wrote: > > [James Valleroy 2024-02-12] > >> Here is a patch that fixes the build:> > > > Btw, did you mean TEMPFILE=$(shell mktemp) to get a random temp file> > name?> > > > I'm not sure. It may also work, but there is a difference in when a > shell command runs. Some people recommend not to use shell in a > makefile: https://stackoverflow.com/a/76121578Each make target (i.e. each line indended by a tab) is executed within a shell. The point in the SO answer you reference is that calling the make function $(shell ...) *inside* a make target effectively spawns a shell within another shell, and *that* you rarely really want. What Petter is talking about above is that "TEMPFILE=mktemp", because it is a make target (i.e. on a TAB-indented line) is passed to a shell, which will *not* set TEMPFILE to the output of the shell command mktemp, but simply set TEMPFILE to the _string_ "mktemp" which is unlikely that you want.
I see, thanks for pointing that out. I think there isn't a need to use mktemp here, so the patch can be simplified to this:
diff --git a/Makefile b/Makefile
index c9e03c2..f5a954b 100644
--- a/Makefile
+++ b/Makefile
@@ -77,7 +77,8 @@ install:
package.json: src/package.js
@rm -f $@
- node src/package.js > $@
+ node src/package.js > package.json.temp
+ mv package.json.temp $@
@chmod a-w $@
clean:
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