scc

simple c99 compiler
git clone git://git.simple-cc.org/scc
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0070-macro.sh (250B)

      1 #!/bin/sh
      2 
      3 trap 'rm -f $tmp1' EXIT
      4 trap 'exit $?' HUP INT TERM
      5 
      6 tmp1=tmp1.$$
      7 
      8 $EXEC scc make -f- <<'EOF' > $tmp1 2>&1
      9 VAR1 = one
     10 VAR = $(VAR1)
     11 VAR1 = print
     12 
     13 all: $(VAR)
     14 
     15 print:
     16 	@echo Hello World!
     17 VAR1 = two
     18 
     19 EOF
     20 
     21 diff $tmp1 - <<EOF
     22 Hello World!
     23 EOF