Fix building the old PCL version

Author: praeclarum

Makefile

@@ -1,22 +1,24 @@
 
-
+SRC=src/SQLite.cs src/SQLiteAsync.cs
 
 all: test nuget
 
 test: tests/bin/Debug/SQLite.Tests.dll
 	nunit-console tests/bin/Debug/SQLite.Tests.dll
 
-tests/bin/Debug/SQLite.Tests.dll: tests/SQLite.Tests.csproj src/SQLite.cs src/SQLiteAsync.cs
-	xbuild tests/SQLite.Tests.csproj
+tests/bin/Debug/SQLite.Tests.dll: tests/SQLite.Tests.csproj $(SRC)
+	msbuild tests/SQLite.Tests.csproj
 
 nuget: srcnuget pclnuget
 
-srcnuget: src/SQLite.cs src/SQLiteAsync.cs sqlite-net.nuspec
+packages: nuget/SQLite-net/packages.config
+	nuget restore SQLite.sln
+
+srcnuget: sqlite-net.nuspec $(SRC)
 	nuget pack sqlite-net.nuspec
 
-pclnuget: src/SQLite.cs src/SQLiteAsync.cs
-	nuget restore SQLite.sln
-	msbuild "/p:Configuration=Release" nuget/SQLite-net-std/SQLite-net-std.csproj 
+pclnuget: sqlite-net-pcl.nuspec packages $(SRC)
+	msbuild "/p:Configuration=Release" nuget/SQLite-net/SQLite-net.csproj
 	msbuild "/p:Configuration=Release" nuget/SQLite-net-std/SQLite-net-std.csproj 
 	nuget pack sqlite-net-pcl.nuspec -o .\