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| author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-05-29 18:39:41 -0400 |
|---|---|---|
| committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-05-29 18:39:41 -0400 |
| commit | 0b3959406003cb61c9d10e2f1d45c755ec700392 (patch) | |
| tree | 36422bad2a636f3144219b4801db5ae54b3cd514 /build-aux/Makefile.head.mk | |
| parent | 8441649be887b54222d52fb9e69247c9012acff2 (diff) | |
add checks that top{src,out}dir are set
Diffstat (limited to 'build-aux/Makefile.head.mk')
| -rw-r--r-- | build-aux/Makefile.head.mk | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/build-aux/Makefile.head.mk b/build-aux/Makefile.head.mk index e5ef379..c680f41 100644 --- a/build-aux/Makefile.head.mk +++ b/build-aux/Makefile.head.mk @@ -16,6 +16,13 @@ # This bit only gets evaluated once, at the very beginning ifeq ($(_at.NO_ONCE),) +ifeq ($(topsrcdir),) +$(error topsrcdir must be set before including Makefile.head.mk) +endif +ifeq ($(topoutdir),) +$(error topoutdir must be set before including Makefile.head.mk) +endif + _at.noslash = $(patsubst %/.,%,$(patsubst %/,%,$1)) # These are all $(call _at.func,parent,child) #_at.relto = $(if $2,$(shell realpath -sm --relative-to='$1' $2)) |