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