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-rw-r--r--toolsrc/src/VcpkgCmdArguments.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/toolsrc/src/VcpkgCmdArguments.cpp b/toolsrc/src/VcpkgCmdArguments.cpp
index 86b1b6d8c..5abe69e66 100644
--- a/toolsrc/src/VcpkgCmdArguments.cpp
+++ b/toolsrc/src/VcpkgCmdArguments.cpp
@@ -78,6 +78,9 @@ namespace vcpkg
if (arg[0] == '-' && arg[1] == '-')
{
+ // make argument case insensitive
+ auto& f = std::use_facet<std::ctype<char>>(std::locale());
+ f.tolower(&arg[0], &arg[0] + arg.size());
// command switch
if (arg == "--vcpkg-root")
{