40 lines
1.1 KiB
Makefile
40 lines
1.1 KiB
Makefile
# It apparently is a somewhat odd how vairables handle quotes and single quotes
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# there is the whole documentation about differnces of "=" ":=" "?=" ..
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# http://www.gnu.org/software/make/manual/make.html#Reading-Makefiles
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VAR1="asdas gu"
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VAR2=asdas agu
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VAR3=asdas agu
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# according to https://stackoverflow.com/a/649255/1711186 it is not possible to
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# have newlines being part of a Makefile variable
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# CORRECTION there should be indeed a wat to have "newlines" be stored in a
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# makefile variable see GNU make docu https://www.gnu.org/software/make/manual/html_node/Multi_002dLine.html
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VAR4='asdas \
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agu'
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FILE:=file
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all: file1 file2 file3 file4
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file1:
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echo $(VAR1) > $@
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file2:
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echo $(VAR2) > $@
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file3:
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echo "$(VAR3)" > $@
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file4:
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echo "$(VAR4)" > $@
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# Variables can be used for the target of recepies
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$(FILE)-li:
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touch $@
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# bottom line the use of variables might feel a bit annoying in
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# paritcular for the bash/shell programmers as it uses the same
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# "$" indicator but then oftentime $(VARNAME)
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# it is possible to use ${VARNAME},
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# as a "price" the use of $ in the "recipe" part of a rule the us of shell variabls requires
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# to use $$SHELVAR
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