Makefile.mk: improve a GNU Make hack [ci skip] #10031
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Replace the hack of using `$() ` to represent a single space. The new method avoids the `--warn-undefined-variables` debug warning. Closes #xxxxx
jay
reviewed
Dec 4, 2022
| @@ -324,7 +324,7 @@ ifdef WIN32 | |||
| _LIBS += -lws2_32 -lcrypt32 -lbcrypt | |||
| endif | |||
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| ifneq ($(findstring 11,$(subst $() ,,$(SSLLIBS))),) | |||
| ifneq ($(findstring 11,$(subst $(subst ,, ),,$(SSLLIBS))),) | |||
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I'm not aware of such built-in function. We can initialize such variable using the same hack, but I'd only do it once we have another place which needs a space at a tricky location.
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Ok. It would be easier to understand IMO but that's not critical.
jay
approved these changes
Dec 4, 2022
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Replace the hack of using
$()to represent a single space. The new method silences the--warn-undefined-variablesdebug warning and it's also a better-known form of solving this problem.Closes #xxxxx