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Fix `Makefile:32: *** unterminated call to function 'shell': missing … #1735

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Fix `Makefile:32: *** unterminated call to function 'shell': missing … #1735

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2 changes: 1 addition & 1 deletion src/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@ ifndef CFLAGS
CFLAGS +=-Wall -Wstrict-prototypes -fno-omit-frame-pointer -Wstrict-aliasing -funwind-tables -Wmissing-prototypes -Wshadow -Wextra -Wno-unused-parameter -Wno-implicit-fallthrough
endif

HAS_UNWIND := $(shell echo '#include <unwind.h>\nvoid main() { _Unwind_Backtrace(0, 0);}' | $(CC) -x c - -o /dev/null >/dev/null 2>&1 && echo 1 || echo 0)
HAS_UNWIND := $($(shell) echo '#include <unwind.h>\nvoid main() { _Unwind_Backtrace(0, 0);}' | $(CC) -x c - -o /dev/null >/dev/null 2>&1 && echo 1 || echo 0)
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这样修改是不对的，会导致功能失效。

ifeq ($(HAS_UNWIND), 1)
override CFLAGS += -DHAVE_UNWIND_BACKTRACE
endif
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