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[PATCH v4 2/3] PR12331: Document --sysroot and --sysenv


Update stap.1 and NEWS to document the new options.
---
 stap.1 |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/stap.1 b/stap.1
index 43658de..52afb0d 100644
--- a/stap.1
+++ b/stap.1
@@ -555,6 +555,19 @@ no limits are imposed.
 Specify the maximum size of files that the process may create, in bytes. If nothing is specified, no limits are
 imposed.
 
+.TP
+.BI \-\-sysroot "=DIR"
+Specify sysroot directory where target files (executables, libraries, etc.)
+are located.  With \fI\-r RELEASE\fR, the sysroot will be searched for the
+appropriate kernel build directory.  With \fI\-r /DIR\fR, however, the sysroot
+will not be used to find the kernel build.
+
+.TP
+.BI \-\-sysenv "=VAR=VALUE"
+Provide an alternate value for an environment variable where the value on a
+remote system differs.  Path variables (e.g. PATH, LD_LIBRARY_PATH) are assumed
+to be relative to the directory provided by \fI\-\-sysroot\fR, if provided.
+
 .SH ARGUMENTS
 
 Any additional arguments on the command line are passed to the script
-- 
1.7.0.4


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