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authorRoland McGrath <roland@hack.frob.com>2015-03-06 10:59:15 -0800
committerRoland McGrath <roland@hack.frob.com>2015-03-06 10:59:15 -0800
commit4acc27ed0a83995ad687c69a3f3f11510e0796d7 (patch)
tree960fd13f69567dd5ad5239d78285f28c09d0d618 /INSTALL
parent00f00cfc379f8347d08ff2f4cba4ab7862a3aef2 (diff)
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Document test-wrapper-env-only in INSTALL.
Diffstat (limited to 'INSTALL')
-rw-r--r--INSTALL7
1 files changed, 6 insertions, 1 deletions
diff --git a/INSTALL b/INSTALL
index 5e538a6d586..18a47f618ea 100644
--- a/INSTALL
+++ b/INSTALL
@@ -254,7 +254,12 @@ program that runs a newly built program with environment variable
assignments in effect, those assignments being specified as 'VAR=VALUE'
before the name of the program to be run. If multiple assignments to
the same variable are specified, the last assignment specified must take
-precedence.
+precedence. Similarly, if 'TEST-WRAPPER env -i' will not work to run a
+program with an environment completely empty of variables except those
+directly assigned, then 'test-wrapper-env-only' must be set; its use has
+the same syntax as 'test-wrapper-env', the only difference in its
+semantics being starting with an empty set of environment variables
+rather than the ambient set.
Installing the C Library
========================