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-rw-r--r--boostcpp.jam2
1 files changed, 1 insertions, 1 deletions
diff --git a/boostcpp.jam b/boostcpp.jam
index 330a974d95..db7360dd97 100644
--- a/boostcpp.jam
+++ b/boostcpp.jam
@@ -80,7 +80,7 @@ if $(layout) = system && $(build-type) = complete
ECHO "error: Cannot use --layout=system with --build-type complete." ;
ECHO "error: Please used either --layout=versioned or --layout=tagged " ;
ECHO "error: if you wish to build multiple variants." ;
- if ! [ os.name ] = NT
+ if [ os.name ] != NT
{
ECHO "error: Note that --layout=system is default on Unix starting with Boost 1.40." ;
}