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| author | Ian Lynagh <ian@well-typed.com> | 2013-05-24 17:31:35 +0100 |
|---|---|---|
| committer | Ian Lynagh <ian@well-typed.com> | 2013-05-25 19:17:29 +0100 |
| commit | 6f36790b812ebf4fde87a26e611d249e6c978045 (patch) | |
| tree | bbd3074e0241bc099362dc2f74c8869c76c22131 /ghc.mk | |
| parent | d8dd3cf954a9bb77d9caa64290fcea0d1abb32ec (diff) | |
| download | haskell-6f36790b812ebf4fde87a26e611d249e6c978045.tar.gz | |
Add an echo target to the build system
Diffstat (limited to 'ghc.mk')
| -rw-r--r-- | ghc.mk | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -110,6 +110,14 @@ comma=, show: @echo '$(VALUE)="$($(VALUE))"' +# echo is used by the nightly builders to query the build system for +# information. +# Using printf means that we don't get a trailing newline. We escape +# backslashes and double quotes in the string to protect them from the +# shell, and percent signs to protect them from printf. +echo: + @printf "$(subst %,%%,$(subst ",\",$(subst \,\\\\,$($(VALUE)))))" + # ----------------------------------------------------------------------------- # Include subsidiary build-system bits |