Index: extra.mk.in
==================================================================
--- extra.mk.in
+++ extra.mk.in
@@ -22,13 +22,10 @@
 BRIDGE = @BRIDGE@
 CVINCLUDE_INLINE_H = @CVINCLUDE_INLINE_H@
 ENCODINGS = @ENCODINGS@
 ENCODINGS_A = @ENCODINGS_A@
 ENCODINGS_AMIGALIB_A = @ENCODINGS_AMIGALIB_A@
-ENCODINGS_ENCODINGS_A = @ENCODINGS_ENCODINGS_A@
-ENCODINGS_ENCODINGS_AMIGALIB_A = @ENCODINGS_ENCODINGS_AMIGALIB_A@
-ENCODINGS_ENCODINGS_LIB_A = @ENCODINGS_ENCODINGS_LIB_A@
 ENCODINGS_LIB_A = @ENCODINGS_LIB_A@
 ENCODINGS_SRCS = @ENCODINGS_SRCS@
 EXCEPTIONS_A = @EXCEPTIONS_A@
 EXCEPTIONS_AMIGALIB_A = @EXCEPTIONS_AMIGALIB_A@
 EXCEPTIONS_LIB_A = @EXCEPTIONS_LIB_A@

Index: src/amiga-library.h
==================================================================
--- src/amiga-library.h
+++ src/amiga-library.h
@@ -65,10 +65,11 @@
 	void (*_Nonnull __register_frame_info)(const void *_Nonnull,
 	    void *_Nonnull);
 	void *_Nullable (*_Nonnull __deregister_frame_info)(
 	    const void *_Nonnull);
 #endif
+	int *_Nonnull (*_Nonnull get_errno)(void);
 
 	/* Needed only by ObjFW. */
 	int (*_Nonnull vsnprintf)(char *_Nonnull restrict, size_t,
 	    const char *_Nonnull restrict, va_list);
 #ifdef OF_AMIGAOS_M68K

Index: src/amiga-library.m
==================================================================
--- src/amiga-library.m
+++ src/amiga-library.m
@@ -573,10 +573,16 @@
 *__deregister_frame_info(const void *begin)
 {
 	return libc.__deregister_frame_info(begin);
 }
 #endif
+
+int *
+of_get_errno(void)
+{
+	return libc.get_errno();
+}
 
 int
 vsnprintf(char *restrict str, size_t size, const char *restrict fmt,
     va_list args)
 {

Index: src/linklib/linklib.m
==================================================================
--- src/linklib/linklib.m
+++ src/linklib/linklib.m
@@ -25,10 +25,11 @@
 
 struct ObjFWBase;
 
 #import "inline.h"
 
+#include <errno.h>
 #include <locale.h>
 #include <stdio.h>
 #include <stdlib.h>
 
 #if defined(OF_AMIGAOS_M68K)
@@ -270,10 +271,16 @@
 void *__objc_class_name_OFMutableMapTableSet;
 void *__objc_class_name_OFMutableUTF8String;
 void *__objc_class_name_OFRangeCharacterSet;
 void *__objc_class_name_OFSelectKernelEventObserver;
 void *__objc_class_name_OFUTF8String;
+
+static int *
+get_errno(void)
+{
+	return &errno;
+}
 
 static void __attribute__((__used__))
 ctor(void)
 {
 	static bool initialized = false;
@@ -307,10 +314,11 @@
 #endif
 #ifdef OF_AMIGAOS_M68K
 		.__register_frame_info = __register_frame_info,
 		.__deregister_frame_info = __deregister_frame_info,
 #endif
+		.get_errno = get_errno,
 		.vsnprintf = vsnprintf,
 #ifdef OF_AMIGAOS_M68K
 		.vsscanf = vsscanf,
 #endif
 		.exit = exit,

Index: src/macros.h
==================================================================
--- src/macros.h
+++ src/macros.h
@@ -318,10 +318,16 @@
 #if __has_attribute(__objc_direct_members__) && defined(OF_APPLE_RUNTIME)
 # define OF_DIRECT_MEMBERS __attribute__((__objc_direct_members__))
 #else
 # define OF_DIRECT_MEMBERS
 #endif
+
+#ifdef OF_COMPILING_AMIGA_LIBRARY
+# undef errno
+extern int *_Nonnull of_get_errno(void);
+# define errno (*of_get_errno())
+#endif
 
 #ifdef __GNUC__
 # ifdef OF_X86_64
 #  define OF_X86_64_ASM
 # endif