ENH: Added documentation of specifying an existing build tree as an argument.

Source/CursesDialog/ccmake.cxx

@@ -39,7 +39,8 @@ static const cmDocumentationEntry cmDocumentationName[] =
 static const cmDocumentationEntry cmDocumentationUsage[] =
 {
   {0,
-   "  ccmake <path-to-source>", 0},
+   "  ccmake <path-to-source>\n"
+   "  ccmake <path-to-existing-build>", 0},
   {0,0,0}
 };
 

Source/MFCDialog/CMakeSetup.cpp

@@ -23,7 +23,7 @@ static const cmDocumentationEntry cmDocumentationUsage[] =
   {0,
    "  CMakeSetup [options]\n"
    "  CMakeSetup [options] <path-to-source>\n"
-   "  CMakeSetup [options] <path-to-build>", 0},
+   "  CMakeSetup [options] <path-to-existing-build>", 0},
   {0,0,0}
 };
 

Source/cmakemain.cxx

@@ -33,7 +33,8 @@ static const cmDocumentationEntry cmDocumentationName[] =
 static const cmDocumentationEntry cmDocumentationUsage[] =
 {
   {0,
-   "  cmake [options] <path-to-source>", 0},
+   "  cmake [options] <path-to-source>\n"
+   "  cmake [options] <path-to-existing-build>", 0},
   {0,0,0}
 };