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Diffstat (limited to '')
| -rw-r--r-- | makefile_escaping/escaping_env_vars.mk | 23 |
1 files changed, 3 insertions, 20 deletions
diff --git a/makefile_escaping/escaping_env_vars.mk b/makefile_escaping/escaping_env_vars.mk index 421c4b6..f2e7a2d 100644 --- a/makefile_escaping/escaping_env_vars.mk +++ b/makefile_escaping/escaping_env_vars.mk @@ -7,7 +7,7 @@ SHELL := bash escape = $(subst ','\'',$(1)) -define escape_arg +define escape_env ifeq ($$(origin $(1)),environment) $(1) := $$(value $(1)) endif @@ -19,32 +19,15 @@ override $(1) := $$(value $(1)) endif endef -# Simple variable. simple_var := Simple value -test_var ?= $(simple_var) -export test_var - -$(eval $(call escape_arg,test_var)) +test_var ?= $(simple_var) (in test_var) +$(eval $(call escape_env,test_var)) simple_var := New simple value - -# printf $test_var -echo_test_var := printf '%s\n' '$(call escape,$(test_var))' -# bash -c 'printf $test_var' -bash_test_var := bash -c '$(call escape,$(echo_test_var))' - -# Composite variable, includes both $simple_var and $test_var. composite_var := Composite value - $(simple_var) - $(test_var) -# printf $composite_var -echo_composite_var := printf '%s\n' '$(call escape,$(composite_var))' - .PHONY: test test: @printf '%s\n' '$(call escape,$(test_var))' - @printf '%s\n' "$$test_var" - @bash -c '$(call escape,$(echo_test_var))' - @bash -c '$(call escape,$(bash_test_var))' @printf '%s\n' '$(call escape,$(composite_var))' - @bash -c '$(call escape,$(echo_composite_var))' |