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| author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-09 15:55:33 -0400 |
|---|---|---|
| committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-09 15:55:33 -0400 |
| commit | d330445fb7f84748e70e67ca5bc44ce0a1a258f7 (patch) | |
| tree | 0c1c957298635b7ba0ff69c2fe76af647304a631 /build-aux/no-builtin-variables.mk | |
| parent | f579b669d45c02b39474827f12522ff4afa6cf4a (diff) | |
Work with the new version of autothing.
Diffstat (limited to 'build-aux/no-builtin-variables.mk')
| -rw-r--r-- | build-aux/no-builtin-variables.mk | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/build-aux/no-builtin-variables.mk b/build-aux/no-builtin-variables.mk new file mode 100644 index 0000000..c236c73 --- /dev/null +++ b/build-aux/no-builtin-variables.mk @@ -0,0 +1,11 @@ +MAKEFLAGS += --no-builtin-variables + +# This version is more correct, but is slower: +# $(foreach v,$(shell bash -c 'comm -23 <(env -i $(MAKE) -f - <<<"\$$(info \$$(.VARIABLES))all:"|sed "s/ /\n/g"|sort) <(env -i $(MAKE) -R -f - <<<"\$$(info \$$(.VARIABLES))all:"|sed "s/ /\n/g"|sort)'), +# $(if $(filter default,$(origin $v)),$(eval undefine $v))) + +_default_variables = $(foreach v,$(.VARIABLES),$(if $(filter default,$(origin $v)),$v)) +$(foreach v,$(filter-out .% MAKE% SUFFIXES,$(_default_variables))\ + $(filter .LIBPATTERNS MAKEINFO,$(_default_variables)),\ + $(eval undefine $v)) +undefine _default_variables |