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Makefile: fix empty MK_ARCH when using ccache

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One can use ccache by prefixing the typical CROSS_COMPILE value with
"ccache " (e.g. "ccache aarch64-gnu-linux-" for Aarch64). This however
makes the MK_ARCH empty because sed won't find a match anymore since it
expects the CROSS_COMPILE value to start with the actual toolchain (with
an unlimited number of white spaces before).

This is failing builds since commit 7506c15669 ("sandbox: Report host
default-filename in native mode").

Add "ccache" prefix to ignore but participate in the matching regex used
by sed to identify the target architecture.

Signed-off-by: Quentin Schulz <quentin.schulz@cherry.de>
This commit is contained in:
Quentin Schulz 2024-11-11 14:20:49 +01:00 committed by Tom Rini
parent 2b14d12067
commit 04b1d84221
1 changed files with 1 additions and 1 deletions
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2
Makefile
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@ -21,7 +21,7 @@ include include/host_arch.h
ifeq ("", "$(CROSS_COMPILE)")
MK_ARCH="${shell uname -m}"
else
MK_ARCH="${shell echo $(CROSS_COMPILE) | sed -n 's/^[[:space:]]*\([^\/]*\/\)*\([^-]*\)-[^[:space:]]*/\2/p'}"
MK_ARCH="${shell echo $(CROSS_COMPILE) | sed -n 's/^\(ccache\)\?[[:space:]]*\([^\/]*\/\)*\([^-]*\)-[^[:space:]]*/\3/p'}"
endif
unexport HOST_ARCH
ifeq ("x86_64", $(MK_ARCH))