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Fix build with busybox grep.

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Reported by ymph.
This commit is contained in:
Mike Pall 2021-03-31 17:06:27 +02:00
parent 3217240b47
commit 66563bdab0
1 changed files with 1 additions and 1 deletions
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2
src/Makefile
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@ -335,7 +335,7 @@ ifeq (iOS,$(TARGET_SYS))
else
ifeq (,$(findstring LJ_NO_UNWIND 1,$(TARGET_TESTARCH)))
# Find out whether the target toolchain always generates unwind tables.
TARGET_TESTUNWIND=$(shell exec 2>/dev/null; echo 'extern void b(void);int a(void){b();return 0;}' | $(TARGET_CC) -c -x c - -o tmpunwind.o && grep -qU -e eh_frame -e __unwind_info tmpunwind.o && echo E; rm -f tmpunwind.o)
TARGET_TESTUNWIND=$(shell exec 2>/dev/null; echo 'extern void b(void);int a(void){b();return 0;}' | $(TARGET_CC) -c -x c - -o tmpunwind.o && { grep -qa -e eh_frame -e __unwind_info tmpunwind.o || grep -qU -e eh_frame -e __unwind_info tmpunwind.o; } && echo E; rm -f tmpunwind.o)
ifneq (,$(findstring E,$(TARGET_TESTUNWIND)))
TARGET_XCFLAGS+= -DLUAJIT_UNWIND_EXTERNAL
endif