38 lines
1.2 KiB
Diff
38 lines
1.2 KiB
Diff
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From f7c659d7daff5dbf4a0be959a544f15eab7fc49c Mon Sep 17 00:00:00 2001
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From: Joel Stanley <joel@jms.id.au>
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Date: Mon, 22 Jul 2019 12:21:49 +0930
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Subject: [PATCH] Makefile: Add EXTRA_CFLAGS variable
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Distributions packaging dtc may need to set extra flags. Currently when
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they do that it overrides the ones set by the makefile. This is
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particularly problematic when compiling without yaml, as the yaml
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detection is ignored.
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ld: dtc.o: in function `main':
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dtc.c:(.text.startup+0x718): undefined reference to `dt_to_yaml'
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This patch provides a EXTRA_CFLAGS variable that is added to the list of
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CFLAGS, and can be set on the command line when packaging.
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Signed-off-by: Joel Stanley <joel@jms.id.au>
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---
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Makefile | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/Makefile b/Makefile
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index e6b32cf1cbf5..6807669569b3 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -18,7 +18,7 @@ CONFIG_LOCALVERSION =
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CPPFLAGS = -I libfdt -I .
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WARNINGS = -Wall -Wpointer-arith -Wcast-qual -Wnested-externs \
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-Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls -Wshadow
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-CFLAGS = -g -Os $(SHAREDLIB_CFLAGS) -Werror $(WARNINGS)
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+CFLAGS = -g -Os $(SHAREDLIB_CFLAGS) -Werror $(WARNINGS) $(EXTRA_CFLAGS)
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BISON = bison
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LEX = flex
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--
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2.20.1
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