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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
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Document test-wrapper-env-only in INSTALL.
Diffstat (limited to 'manual')
-rw-r--r--manual/install.texi21
1 files changed, 13 insertions, 8 deletions
diff --git a/manual/install.texi b/manual/install.texi
index a3acfdad55..bb09199fa6 100644
--- a/manual/install.texi
+++ b/manual/install.texi
@@ -283,14 +283,19 @@ In general, when testing @theglibc{}, @samp{test-wrapper} may be set
to the name and arguments of any program to run newly built binaries.
This program must preserve the arguments to the binary being run, its
working directory and the standard input, output and error file
-descriptors. If
-@samp{@var{test-wrapper} env} will not work to run a program with
-environment variables set, then @samp{test-wrapper-env} must be set to
-a program that runs a newly built program with environment variable
-assignments in effect, those assignments being specified as
-@samp{@var{var}=@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.
+descriptors. If @samp{@var{test-wrapper} env} will not work to run a
+program with environment variables set, then @samp{test-wrapper-env}
+must be set to a program that runs a newly built program with
+environment variable assignments in effect, those assignments being
+specified as @samp{@var{var}=@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.
+Similarly, if @samp{@var{test-wrapper} env -i} will not work to run a
+program with an environment completely empty of variables except those
+directly assigned, then @samp{test-wrapper-env-only} must be set; its
+use has the same syntax as @samp{test-wrapper-env}, the only
+difference in its semantics being starting with an empty set of
+environment variables rather than the ambient set.
@node Running make install