Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -813,10 +813,12 @@
 	;;
 esac
 
 AC_CHECK_LIB(m, fmod, LIBS="$LIBS -lm")
 AC_CHECK_LIB(complex, creal, TESTS_LIBS="$TESTS_LIBS -lcomplex")
+
+AC_CHECK_FUNCS(strtof)
 
 AC_CHECK_FUNC(asprintf, [
 	case "$host" in
 	*-*-mingw*)
 		dnl asprintf from MinGW is broken on older Windows versions

Index: src/OFString.m
==================================================================
--- src/OFString.m
+++ src/OFString.m
@@ -70,12 +70,11 @@
  */
 #ifdef __MINGW32__
 # define strtod __strtod
 #endif
 
-#ifdef OF_AMIGAOS_M68K
-/* libnix has strtod, but not strtof */
+#ifndef HAVE_STRTOF
 # define strtof strtod
 #endif
 
 #ifndef INFINITY
 # define INFINITY __builtin_inf()