Module Name: src
Committed By: rillig
Date: Tue Feb 16 19:01:18 UTC 2021
Modified Files:
src/usr.bin/make/unit-tests: directive-export.mk
Log Message:
make: test exporting a variable that itself depends on a subprocess
When the point that "isn't going to end well" is reached, the stacktrace
is quite long but still reasonable:
main
main_ReadFiles
ReadAllMakefiles
ReadMakefile directive-export.mk
Parse_File
ParseLine # line 3 has: _!= :;:
ParseVarassign
Parse_DoVar
VarAssign_Eval
VarAssign_EvalShell # because of the '!='
Cmd_Exec :;:
Var_ReexportVars # before starting the subprocess
ExportVar EMPTY_SHELL
ExportVarEnv # was only marked for export
Var_Subst ${EMPTY_SHELL} # to get the value to export
VarSubstExpr ${EMPTY_SHELL}
Var_Parse ${EMPTY_SHELL}
Var_Subst ${:sh} # since EMPTY_SHELL= ${:sh}
VarSubstExpr ${:sh}
Var_Parse ${:sh}
ApplyModifiers
ApplySingleModifier :sh
ApplyModifier
ApplyModifier_SunShell :sh
Cmd_Exec "" # empty command
Var_ReexportVars
ExportVar EMPTY_SHELL
ExportVarEnv # skipping this edge case
To generate a diff of this commit:
cvs rdiff -u -r1.7 -r1.8 src/usr.bin/make/unit-tests/directive-export.mk
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
