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HyriseSQLParser
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Use awk to check versions

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mrks 2020-05-25 11:16:18 +02:00 committed by GitHub
parent dd360837f1 0f96b977e9
commit bba65d8f35
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1 changed files with 2 additions and 2 deletions
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src/parser/Makefile
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@ -3,13 +3,13 @@ BISON?=bison
FLEX?=flex
BISON_VERSION=$(shell $(BISON) --version | head -n 1 | grep -o '[0-9]\.[0-9]\+')
BISON_VERSION_SUPPORTED=$(shell echo $(BISON_VERSION) \>= 3.0 | bc)
BISON_VERSION_SUPPORTED=$(shell awk -v a=$(BISON_VERSION) -v b="3.0" 'BEGIN { print (a >= b) ? 1 : 0 }')
ifneq ($(BISON_VERSION_SUPPORTED), 1)
$(error Bison version $(BISON_VERSION) not supported. If you are using OS X, `bison` uses the system default instead of the brew version. Run BISON=/usr/local/opt/bison/bin/bison make)
endif
FLEX_VERSION=$(shell $(FLEX) --version | head -n 1 | grep -o '[0-9]\.[0-9]\+')
FLEX_VERSION_SUPPORTED=$(shell echo $(FLEX_VERSION) \>= 2.6 | bc)
FLEX_VERSION_SUPPORTED=$(shell awk -v a=$(FLEX_VERSION) -v b="2.6" 'BEGIN { print (a >= b) ? 1 : 0 }')
ifneq ($(FLEX_VERSION_SUPPORTED), 1)
$(error Flex version $(FLEX_VERSION) not supported. If you are using OS X, `flex` uses the system default instead of the brew version. Run FLEX=/usr/local/opt/flex/bin/flex make)
endif