[cmake] fix typos
@@ -67,7 +67,7 @@ option(WITH_XML "Enable xml files i/o. Default = OFF" OFF)
# - user --> pip install --user
# - standard --> pip install
# - prefix --> pip install --prefix=CMAKE_INSTALL_PREFIX
-set(siconos_python_install "prefix" CACHE STRING "Install mode for siconos python package")if(UNIX)
+set(siconos_python_install "prefix" CACHE STRING "Install mode for siconos python package")
# If OFF, headers from libraries in externals will not be installed.
option(INSTALL_EXTERNAL_HEADERS
