/** @return the framework search paths with any embedded macros expanded. */
static ImmutableSet<Path> getFrameworkSearchPaths(
Optional<ImmutableSortedSet<FrameworkPath>> frameworks,
CxxPlatform cxxPlatform,
SourcePathResolver resolver) {
ImmutableSet<Path> searchPaths =
FluentIterable.from(frameworks.get())
.transform(
FrameworkPath.getUnexpandedSearchPathFunction(
resolver.getPathFunction(), Functions.<Path>identity()))
.toSet();
return FluentIterable.from(Optional.of(searchPaths).or(ImmutableSet.<Path>of()))
.transform(Functions.toStringFunction())
.transform(CxxFlags.getTranslateMacrosFn(cxxPlatform))
.transform(MorePaths.TO_PATH)
.toSet();
}
