diff options
Diffstat (limited to 'contrib/bmake/unit-tests/directive-export-literal.mk')
| -rw-r--r-- | contrib/bmake/unit-tests/directive-export-literal.mk | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/contrib/bmake/unit-tests/directive-export-literal.mk b/contrib/bmake/unit-tests/directive-export-literal.mk index 5fafa4a7282d..105af0102b83 100644 --- a/contrib/bmake/unit-tests/directive-export-literal.mk +++ b/contrib/bmake/unit-tests/directive-export-literal.mk @@ -1,4 +1,4 @@ -# $NetBSD: directive-export-literal.mk,v 1.7 2020/12/13 01:07:54 rillig Exp $ +# $NetBSD: directive-export-literal.mk,v 1.8 2024/06/01 18:44:05 rillig Exp $ # # Tests for the .export-literal directive, which exports a variable value # without expanding it. @@ -9,5 +9,28 @@ UT_VAR= value with ${UNEXPANDED} expression .export-literal # oops: missing argument +# After a variable whose value does not contain a '$' is exported, a following +# .export-literal can be skipped, to avoid a setenv call, which may leak +# memory on some platforms. +UT_TWICE_LITERAL= value literal +.export UT_TWICE_LITERAL +.export-literal UT_TWICE_LITERAL + +# XXX: After an .export, an .export-literal has no effect, even when the +# variable value contains a '$'. +UT_TWICE_EXPR= value ${indirect:L} +.export UT_TWICE_EXPR +.export-literal UT_TWICE_EXPR + +# After an .export, an .unexport resets the variable's exported state, +# re-enabling a later .export-literal. +UT_TWICE_EXPR_UNEXPORT= value ${indirect:L} +.export UT_TWICE_EXPR_UNEXPORT +.unexport UT_TWICE_EXPR_UNEXPORT +.export-literal UT_TWICE_EXPR_UNEXPORT + all: @echo "$$UT_VAR" + @echo "$$UT_TWICE_LITERAL" + @echo "$$UT_TWICE_EXPR" + @echo "$$UT_TWICE_EXPR_UNEXPORT" |