add cacheDir to usage in Rd files

Author: jjallaire

man/cppFunction.Rd

@@ -7,8 +7,8 @@ Define an R Function with a C++ Implementation
 Dynamically define an R function with C++ source code. Compiles and links a shared library with bindings to the C++ function then defines an R function that uses \code{.Call} to invoke the library.
 }
 \usage{
-cppFunction(code, depends = character(), plugins = character(),
-            includes = character(), env = parent.frame(), rebuild = FALSE, 
+cppFunction(code, depends = character(), plugins = character(), includes = character(),
+            env = parent.frame(), rebuild = FALSE, cacheDir = tempdir(), 
             showOutput = verbose, verbose = getOption("verbose"))
 }
 

man/evalCpp.Rd

@@ -10,8 +10,8 @@ Evaluates a C++ expression. This creates a C++ function using
 }
 \usage{
 evalCpp(code, depends = character(), plugins = character(),
-        includes = character(), rebuild = FALSE, showOutput = verbose, 
-        verbose = getOption("verbose"))
+        includes = character(), rebuild = FALSE, cacheDir = tempdir(),
+        showOutput = verbose, verbose = getOption("verbose"))
 areMacrosDefined(names, depends = character(), includes = character(), 
         rebuild = FALSE, showOutput = verbose, 
         verbose = getOption("verbose"))

man/sourceCpp.Rd

@@ -9,7 +9,7 @@ and RCPP_MODULE declarations. A shared library is then built and its exported fu
 }
 \usage{
 sourceCpp(file = "", code = NULL, env = globalenv(),
-          embeddedR = TRUE, rebuild = FALSE,
+          embeddedR = TRUE, rebuild = FALSE, cacheDir = tempdir(),
           showOutput = verbose, verbose = getOption("verbose"),
           dryRun = FALSE)
 }