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- From: Felix Fietkau <[email protected]>
- Date: Thu, 4 Apr 2024 12:59:41 +0200
- Subject: [PATCH] build: de-duplicate _DIRS before calling mkdir
- If the build path is long, the contents of the _DIRS variable can be very long,
- since it repeats the same directories very often.
- In some cases, this has triggered an "Argument list too long" build error.
- Suggested-by: Eneas U de Queiroz <[email protected]>
- Signed-off-by: Felix Fietkau <[email protected]>
- ---
- --- a/src/build.rules
- +++ b/src/build.rules
- @@ -80,7 +80,7 @@ endif
- _DIRS := $(BUILDDIR)/$(PROJ)
- .PHONY: _make_dirs
- _make_dirs:
- - @mkdir -p $(_DIRS)
- + @mkdir -p $(sort $(_DIRS))
-
- $(BUILDDIR)/$(PROJ)/src/%.o: $(ROOTDIR)src/%.c $(CONFIG_FILE) | _make_dirs
- $(Q)$(CC) -c -o $@ $(CFLAGS) $<
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