--- a/configure.in
+++ b/configure.in
@@ -13,7 +13,7 @@ dnl Checks for libraries.
 
 dnl Checks for header files.
 AC_HEADER_STDC
-AC_CHECK_HEADERS(limits.h unistd.h math.h stdlib.h stdio.h)
+AC_CHECK_HEADERS(limits.h unistd.h math.h stdlib.h stdio.h endian.h sys/endian.h)
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
--- a/src/billard3d.c
+++ b/src/billard3d.c
@@ -24,7 +24,11 @@
 #include <string.h>
 #include <math.h>
 #include <unistd.h>
+#ifdef HAVE_ENDIAN_H
 #include <endian.h>
+#elif defined(HAVE_SYS_ENDIAN_H)
+#include <sys/endian.h>
+#endif
 
 #ifndef USE_SDL
 #include <GL/glut.h>