diff --git a/GRDB/Core/Database.swift b/GRDB/Core/Database.swift
index cdde29f8bb..71fd0f7614 100644
--- a/GRDB/Core/Database.swift
+++ b/GRDB/Core/Database.swift
@@ -304,7 +304,7 @@ extension Database {
                 let db = Unmanaged<Database>.fromOpaque(dbPointer!).takeUnretainedValue()
                 db.configuration.trace!(sql)
             }, dbPointer)
-        #else
+        #elseif !os(Linux)
             if #available(iOS 10.0, OSX 10.12, watchOS 3.0, *) {
                 sqlite3_trace_v2(sqliteConnection, UInt32(SQLITE_TRACE_STMT), { (mask, dbPointer, stmt, unexpandedSQL) -> Int32 in
                     guard let stmt = stmt else { return SQLITE_OK }
@@ -322,6 +322,12 @@ extension Database {
                     db.configuration.trace!(sql)
                 }, dbPointer)
             }
+        #else
+        sqlite3_trace(sqliteConnection, { (dbPointer, sql) in
+                                            guard let sql = sql.map({ String(cString: $0) }) else { return }
+                                            let db = Unmanaged<Database>.fromOpaque(dbPointer!).takeUnretainedValue()
+                                            db.configuration.trace!(sql)
+                                        }, dbPointer)
         #endif
     }
     
diff --git a/GRDB/Core/StatementAuthorizer.swift b/GRDB/Core/StatementAuthorizer.swift
index 0808209087..7a2750e43a 100644
--- a/GRDB/Core/StatementAuthorizer.swift
+++ b/GRDB/Core/StatementAuthorizer.swift
@@ -1,3 +1,6 @@
+#if os(Linux)
+    import Glibc
+#endif
 #if SWIFT_PACKAGE
     import CSQLite
 #elseif !GRDBCUSTOMSQLITE && !GRDBCIPHER
diff --git a/GRDB/Core/Support/CoreGraphics/CGFloat.swift b/GRDB/Core/Support/CoreGraphics/CGFloat.swift
index 7359eb3fdb..0b7fb1f3ca 100644
--- a/GRDB/Core/Support/CoreGraphics/CGFloat.swift
+++ b/GRDB/Core/Support/CoreGraphics/CGFloat.swift
@@ -1,3 +1,4 @@
+#if !os(Linux)
 import CoreGraphics
 
 /// CGFloat adopts DatabaseValueConvertible
@@ -16,3 +17,4 @@ extension CGFloat : DatabaseValueConvertible {
         return CGFloat(double)
     }
 }
+#endif
diff --git a/GRDB/Core/Support/Foundation/Date.swift b/GRDB/Core/Support/Foundation/Date.swift
index 78cdbbd30f..c5e1e1d6b1 100644
--- a/GRDB/Core/Support/Foundation/Date.swift
+++ b/GRDB/Core/Support/Foundation/Date.swift
@@ -5,6 +5,7 @@ import Foundation
     import SQLite3
 #endif
 
+#if !os(Linux)
 /// NSDate is stored in the database using the format
 /// "yyyy-MM-dd HH:mm:ss.SSS", in the UTC time zone.
 extension NSDate : DatabaseValueConvertible {
@@ -31,6 +32,7 @@ extension NSDate : DatabaseValueConvertible {
         return cast(date)
     }
 }
+#endif
 
 /// Date is stored in the database using the format
 /// "yyyy-MM-dd HH:mm:ss.SSS", in the UTC time zone.
diff --git a/GRDB/Core/Support/Foundation/NSData.swift b/GRDB/Core/Support/Foundation/NSData.swift
index 28a7ae8ba8..8bd9d2ecf9 100644
--- a/GRDB/Core/Support/Foundation/NSData.swift
+++ b/GRDB/Core/Support/Foundation/NSData.swift
@@ -1,3 +1,4 @@
+#if !os(Linux)
 import Foundation
 
 /// NSData is convertible to and from DatabaseValue.
@@ -17,3 +18,4 @@ extension NSData : DatabaseValueConvertible {
         return cast(data)
     }
 }
+#endif
diff --git a/GRDB/Core/Support/Foundation/NSNumber.swift b/GRDB/Core/Support/Foundation/NSNumber.swift
index 2a00c16181..2caf60868f 100644
--- a/GRDB/Core/Support/Foundation/NSNumber.swift
+++ b/GRDB/Core/Support/Foundation/NSNumber.swift
@@ -1,3 +1,4 @@
+#if !os(Linux)
 import Foundation
 
 private let integerRoundingBehavior = NSDecimalNumberHandler(roundingMode: .plain, scale: 0, raiseOnExactness: false, raiseOnOverflow: false, raiseOnUnderflow: false, raiseOnDivideByZero: false)
@@ -65,3 +66,4 @@ extension NSNumber : DatabaseValueConvertible {
         }
     }
 }
+#endif
diff --git a/GRDB/Core/Support/Foundation/NSString.swift b/GRDB/Core/Support/Foundation/NSString.swift
index 577725992e..d5455bed45 100644
--- a/GRDB/Core/Support/Foundation/NSString.swift
+++ b/GRDB/Core/Support/Foundation/NSString.swift
@@ -1,3 +1,4 @@
+#if !os(Linux)
 import Foundation
 
 /// NSString adopts DatabaseValueConvertible
@@ -16,3 +17,4 @@ extension NSString : DatabaseValueConvertible {
         return self.init(string: string)
     }
 }
+#endif
diff --git a/GRDB/Core/Support/Foundation/URL.swift b/GRDB/Core/Support/Foundation/URL.swift
index 516dcc1fba..4cc95b1b4e 100644
--- a/GRDB/Core/Support/Foundation/URL.swift
+++ b/GRDB/Core/Support/Foundation/URL.swift
@@ -1,5 +1,6 @@
 import Foundation
 
+#if !os(Linux)
 /// NSURL stores its absoluteString in the database.
 extension NSURL : DatabaseValueConvertible {
     
@@ -17,6 +18,7 @@ extension NSURL : DatabaseValueConvertible {
         return cast(URL(string: string))
     }
 }
+#endif
 
 /// URL stores its absoluteString in the database.
 extension URL : DatabaseValueConvertible { }
diff --git a/GRDB/Core/Support/Foundation/UUID.swift b/GRDB/Core/Support/Foundation/UUID.swift
index 5d6d7cfeeb..7deb4e2cfe 100644
--- a/GRDB/Core/Support/Foundation/UUID.swift
+++ b/GRDB/Core/Support/Foundation/UUID.swift
@@ -1,5 +1,6 @@
 import Foundation
 
+#if !os(Linux)
 /// NSUUID adopts DatabaseValueConvertible
 extension NSUUID : DatabaseValueConvertible {
     
@@ -18,8 +19,9 @@ extension NSUUID : DatabaseValueConvertible {
             return nil
         }
         return self.init(uuidBytes: data.bytes.assumingMemoryBound(to: UInt8.self))
-    }
+     }
 }
+#endif
 
 /// UUID adopts DatabaseValueConvertible
 extension UUID : DatabaseValueConvertible { }