950e8e8910
2006/03/14 23:23:21 vq 1.1.2.1: #i61940# Add testcase to check that $(shell ..) does not pick up output from concurrent processes.
46 lines
1.2 KiB
Bash
Executable file
46 lines
1.2 KiB
Bash
Executable file
#!/bin/sh
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# 03.14.2006 Volker Quetschke
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# Verifies that $(shell ..) does not pick up stdout output from
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# concurrent processes. (Stronger test for the spawn case.)
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# (issue 61856 / issue 61940)
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: ${DMAKEPROG:=dmake}
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file1="makefile.mk"
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file2="stdout.txt"
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tmpfiles="$file1 $file2"
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trap '{ echo "trapped signal - removing temporary files" ; rm -rf $tmpfiles ; }' 1 2 3 15
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trap 'rm -rf $tmpfiles' 1 2 3 15
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# Remember to quote variables in generated makefiles( $ -> \$ ).
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cat > $file1 <<EOT
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# Testing continuation char in recipes
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SHELL*:=/bin/sh
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SHELLFLAGS*:=-ce
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all : all1 all2
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@+echo "Y\$(DYNMAC)Y" > $file2
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all1 :
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@+echo "Before the sleeps ..."
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@+echo A; sleep 1; echo B; sleep 1; echo C; sleep 1; echo D; sleep 1; echo E
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@+echo "After the sleeps ..."
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all2 :
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@+sleep 1;
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@+echo "X\$(assign DYNMAC:=\$(shell @+echo "(shellpre)";sleep 2; echo "(shellpost)"))X"
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@+echo "Z\$(DYNMAC)Z"
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EOT
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${DMAKEPROG} -P3 -r -f $file1
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result=$?
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if test "`cat $file2`" != "Y(shellpre) (shellpost)Y"; then
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echo "Wrong result: `cat $file2`, Y(shellpre) (shellpost)Y expected!"
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result=1
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fi
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test $result -eq 0 && echo "Success - Cleaning up" && rm -f ${tmpfiles}
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test $result -ne 0 && echo "Failure!"
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exit $result
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