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| author | Egor Tensin <Egor.Tensin@gmail.com> | 2020-05-29 23:26:31 +0000 |
|---|---|---|
| committer | Egor Tensin <Egor.Tensin@gmail.com> | 2020-05-29 23:26:31 +0000 |
| commit | 90a298276f7f9b9c93e8c94ac27c9ed43da8c9e3 (patch) | |
| tree | ae5507b531bccf21b15f4958ffa6a2091bce0301 /makefile_escaping/escaping_env_vars.mk | |
| parent | makefile_escaping: add prologue to all *.mk files (diff) | |
| download | blog-90a298276f7f9b9c93e8c94ac27c9ed43da8c9e3.tar.gz blog-90a298276f7f9b9c93e8c94ac27c9ed43da8c9e3.zip | |
makefile_escaping: add comments to *.mk files
Diffstat (limited to 'makefile_escaping/escaping_env_vars.mk')
| -rw-r--r-- | makefile_escaping/escaping_env_vars.mk | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/makefile_escaping/escaping_env_vars.mk b/makefile_escaping/escaping_env_vars.mk index 35ea35d..2b8690b 100644 --- a/makefile_escaping/escaping_env_vars.mk +++ b/makefile_escaping/escaping_env_vars.mk @@ -11,12 +11,17 @@ test_var ?= This is safe. test_var := $(value test_var) export test_var -inner_var := Inner variable -outer_var := Outer variable - $(inner_var) - $(test_var) - +# 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))' +# Simple variable. +inner_var := Inner variable +# Composite variable, includes both $inner_var and $test_var. +outer_var := Outer variable - $(inner_var) - $(test_var) + +# printf $outer_var echo_outer_var := printf '%s\n' '$(call escape,$(outer_var))' .PHONY: test |