Merge pull request #618 from buttaface/droid

Add tweaks for Android

Author: Azoy

Sources/TestSupport/TestSupport.swift

@@ -15,7 +15,7 @@ import XCTest
 // *without* `-disable-availability-checking` to ensure the #available check is
 // not compiled into a no-op.
 
-#if os(Linux)
+#if os(Linux) || os(Android)
 public func XCTExpectFailure(
   _ message: String? = nil, body: () throws -> Void
 ) rethrows {}

Sources/VariadicsGenerator/VariadicsGenerator.swift

@@ -14,7 +14,7 @@
 import ArgumentParser
 #if os(macOS)
 import Darwin
-#elseif os(Linux)
+#elseif canImport(Glibc)
 import Glibc
 #elseif os(Windows)
 import CRT

Tests/RegexTests/UTS18Tests.swift

@@ -62,7 +62,7 @@ fileprivate func expectFirstMatch<Output: Equatable>(
   XCTAssertEqual(input.firstMatch(of: r)?.output, output, file: file, line: line)
 }
 
-#if os(Linux)
+#if os(Linux) || os(Android)
 func XCTExpectFailure(_ message: String? = nil, body: () throws -> Void) rethrows {}
 #endif