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arch/arm64/Makefile.inc: Avoid # in variable definition 

Interpretation if # starts a comment inside a variable definition varies
between GNU make versions. Use a wildcard to match the first # and use
`sed` instead of `grep | cut` to avoid unbalanced quoting chars.

Tested with GNU make 4.2.1 and 4.3. Both produce the same output as
4.2.1 did before the patch.

Change-Id: Ib7c4d7323e112968d3f14ea0590b7dabc57c9c45
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38794
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Julius Werner <jwerner@chromium.org>
This commit is contained in:
Nico Huber 2020-02-09 12:09:18 +01:00 committed by Patrick Georgi
parent 65718760fa
commit cccb2d76c5
1 changed files with 1 additions and 4 deletions
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5
src/arch/arm64/Makefile.inc
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@ -184,10 +184,7 @@ BL31_MAKEARGS += BUILD_PLAT="$(BL31_BUILD)"
BL31_MAKEARGS += IS_ANYTHING_TO_BUILD=1
# Set a consistent build timestamp: the same coreboot has
# The \# \" complications exist to satisfy both gnu make's parser and editors
# with non-semantic quote-handling (that would assume that this line starts a
# multi line string.
BL31_MAKEARGS += BUILD_MESSAGE_TIMESTAMP='"$(shell grep "\#define COREBOOT_BUILD\>" $(obj)/build.h |cut -d\" -f2 \# \")"'
BL31_MAKEARGS += BUILD_MESSAGE_TIMESTAMP='"$(shell sed -n 's/^.define COREBOOT_BUILD\>.*"\(.*\)".*/\1/p' $(obj)/build.h)"'
BL31_CFLAGS := -fno-pic -fno-stack-protector -Wno-deprecated-declarations -Wno-unused-function
BL31_LDFLAGS := --emit-relocs