Replace --stdlibc=libc++ with -stdlibc=libc++

This ensures that it matches with CMake's understanding of this option
and when its removed then it silently removes -stdlibc=libc++ but leaves
the spurious '-' in the commandline which confuses the compiler as it
them expects input from stdin

Signed-off-by: Khem Raj <raj.khem@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/README.md b/README.md
index 826b8b3..3aa42da 100644
--- a/README.md
+++ b/README.md
@@ -76,14 +76,14 @@ if needed to by modifying `LIBCPLUSPLUS` variable, usually defaults used by `RUN
 best fit. e.g. below we select LLVM C++ as default C++ runtime.
 
 ```shell
-LIBCPLUSPLUS = "--stdlib=libc++"
+LIBCPLUSPLUS = "-stdlib=libc++"
 ```
 
 in `local.conf`.
 You can select libstdc++ per package too by writing bbappends for them containing
 
 ```shell
-LIBCPLUSPLUS_toolchain-clang_pn-<recipe> = "--stdlibc=libc++"
+LIBCPLUSPLUS_toolchain-clang_pn-<recipe> = "-stdlibc=libc++"
 ```
 Defaults are chosen to be GNU for maximum compatibility with existing GNU systems. Its always
 good to use single runtime on a system, mixing runtimes can cause complications during