This is with XEmacs-21.4, 21.5 has the same problem. I know nothing about autoconf, let me know if there's a better way to fix this (by testing __FreeBSD__ in the C code snippet, perhaps?). Robert 2003-03-02 Robert Pluim <rpluim(a)bigfoot.com&gt; * configure.in : Don't use the u_int8_t etc typedefs on FreeBSD when detecting Berkeley DB, as they conflict with <sys/types.h>. Index: configure.in =================================================================== RCS file: /pack/xemacscvs/XEmacs/xemacs/configure.in,v retrieving revision 1.151.2.12 diff -u -r1.151.2.12 configure.in --- configure.in 2003/02/24 03:30:59 1.151.2.12 +++ configure.in 2003/03/02 16:14:15 ＠＠ -4373,12 +4373,26 ＠＠ if test "$with_database_berkdb" != "no"; then AC_MSG_CHECKING(for Berkeley db.h) for header in "db/db.h" "db.h"; do + case "$opsys" in + *freebsd*) AC_TRY_COMPILE([ #include <stdlib.h> #if !(defined __GLIBC__ && __GLIBC_MINOR__ >= 1) #ifdef HAVE_INTTYPES_H #define __BIT_TYPES_DEFINED__ #include <inttypes.h> +#endif +#endif +#include <$header> +],[], db_h_file="$header"; break) + ;; + *) + AC_TRY_COMPILE([ +#include <stdlib.h> +#if !(defined __GLIBC__ && __GLIBC_MINOR__ >= 1) +#ifdef HAVE_INTTYPES_H +#define __BIT_TYPES_DEFINED__ +#include <inttypes.h> typedef uint8_t u_int8_t; typedef uint16_t u_int16_t; typedef uint32_t u_int32_t; ＠＠ -4389,6 +4403,8 ＠＠ #endif #include <$header> ],[], db_h_file="$header"; break) + ;; + esac done if test -z "$db_h_file" then AC_MSG_RESULT(no); with_database_berkdb=no --