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Joel Challis
534f59a169
Fix `cc-option` on ARM Modify cc-option to ignore unresolved symbols during compilation tests.
12 lines
592 B
Makefile
12 lines
592 B
Makefile
# Helper to determine if a compiler option is supported
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# Args:
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# $(1) = option to test, if successful will be output
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# $(2) = option to use if $(1) is not supported
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# $(3) = additional arguments to pass to the compiler during the test, but aren't contained in the output
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cc-option = $(shell \
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if { echo 'int main(){return 0;}' | $(CC) $(1) $(3) -Wl,--unresolved-symbols=ignore-all -o /dev/null -x c /dev/null >/dev/null 2>&1; }; \
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then echo "$(1)"; else echo "$(2)"; fi)
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# Helper to pass comma character to make functions (use with `$(,)` to pass in `$(call ...)` arguments)
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, := ,
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