diff options
Diffstat (limited to 'unit-tests/deptgt-end.mk')
| -rw-r--r-- | unit-tests/deptgt-end.mk | 40 |
1 files changed, 36 insertions, 4 deletions
diff --git a/unit-tests/deptgt-end.mk b/unit-tests/deptgt-end.mk index b3d59a610a2f..1240d6714a25 100644 --- a/unit-tests/deptgt-end.mk +++ b/unit-tests/deptgt-end.mk @@ -1,13 +1,45 @@ -# $NetBSD: deptgt-end.mk,v 1.3 2020/08/29 17:34:21 rillig Exp $ +# $NetBSD: deptgt-end.mk,v 1.6 2020/10/23 19:28:17 rillig Exp $ # # Tests for the special target .END in dependency declarations, # which is run after making the desired targets. +VAR= Should not be expanded. + .BEGIN: - : $@ + : $@ '$${VAR}' + ... + : $@ '$${VAR}' deferred +# Oops: The deferred command must not be expanded twice. +# The Var_Subst in Compat_RunCommand looks suspicious. +# The Var_Subst in JobSaveCommand looks suspicious. .END: - : $@ + : $@ '$${VAR}' + ... + : $@ '$${VAR}' deferred + +# The .END node can define dependencies, just like a regular target. +.END: end-action +end-action: .NOTMAIN + : $@ '$${VAR}' + ... + : $@ '$${VAR}' deferred all: - : $@ + : $@ '$${VAR}' + ... + : $@ '$${VAR}' deferred +# Oops: The deferred command must not be expanded twice. +# The Var_Subst in Compat_RunCommand looks suspicious. +# The Var_Subst in JobSaveCommand looks suspicious. + +# The deferred commands are run in the order '.END .BEGIN all'. +# This may be unexpected at first since the natural order would be +# '.BEGIN all .END', but it is implemented correctly. +# +# At the point where the commands of a node with deferred commands are run, +# the deferred commands are appended to the commands of the .END node. +# This happens in Compat_RunCommand, and to prevent an endless loop, the +# deferred commands of the .END node itself are not appended to itself. +# Instead, the deferred commands of the .END node are run as if they were +# immediate commands. |