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-rw-r--r--Help/command/ctest_build.rst5
1 files changed, 5 insertions, 0 deletions
diff --git a/Help/command/ctest_build.rst b/Help/command/ctest_build.rst
index ac2a0c1..1347b42 100644
--- a/Help/command/ctest_build.rst
+++ b/Help/command/ctest_build.rst
@@ -22,3 +22,8 @@ of build errors and warnings detected.
The APPEND option marks results for append to those previously
submitted to a dashboard server since the last ctest_start. Append
semantics are defined by the dashboard server in use.
+
+If set the contents of the variable CTEST_BUILD_FLAGS are passed as
+additional arguments to the underlying build command. This can e.g. be
+used to trigger a parallel build using the -j option of make. See
+:module:`ProcessorCount` for an example.