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Diffstat (limited to 'unit-tests/directive-ifmake.mk')
| -rw-r--r-- | unit-tests/directive-ifmake.mk | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/unit-tests/directive-ifmake.mk b/unit-tests/directive-ifmake.mk new file mode 100644 index 000000000000..20329bc5ce25 --- /dev/null +++ b/unit-tests/directive-ifmake.mk @@ -0,0 +1,55 @@ +# $NetBSD: directive-ifmake.mk,v 1.4 2020/08/30 14:25:45 rillig Exp $ +# +# Tests for the .ifmake directive, which provides a shortcut for asking +# whether a certain target is requested to be made from the command line. + +# This is the most basic form. +.ifmake first +.info ok: positive condition works +.else +.warning positive condition fails +.endif + +# The not operator works as expected. +# An alternative interpretation were that this condition is asking whether +# the target "!first" was requested. To distinguish this, see the next test. +.ifmake !first +.warning unexpected +.else +.info ok: negation works +.endif + +# See if the exclamation mark really means "not", or if it is just part of +# the target name. +.ifmake !!first +.info ok: double negation works +.else +.warning double negation fails +.endif + +# Multiple targets can be combined using the && and || operators. +.ifmake first && second +.info ok: both mentioned +.else +.warning && does not work as expected +.endif + +# Negation also works in complex conditions. +.ifmake first && !unmentioned +.info ok: only those mentioned +.else +.warning && with ! does not work as expected +.endif + +# Using the .MAKEFLAGS special dependency target, arbitrary command +# line options can be added at parse time. This means that it is +# possible to extend the targets to be made. +.MAKEFLAGS: late-target +.ifmake late-target +.info Targets can even be added at parse time. +.else +.info No, targets cannot be added at parse time anymore. +.endif + +first second unmentioned late-target: + : $@ |