Berkeley DB uses versioned symbols in older versions, so AC_CHECK_LIB

can't be used; instead use AC_LINK_IFELSE.  Also, comment out C99
fixed-width integer type tests which are (a) not used, and (b) only in
the latest version of autoconf.

diff --git a/v7/src/microcode/configure.ac b/v7/src/microcode/configure.ac
index a7e5001e1b8a05f8c6c6903eedbf27c6c3e77261..36b963d6dc25bc9f2f0694be7d39d04b8d3c60a2 100644 (file)
--- a/v7/src/microcode/configure.ac
+++ b/v7/src/microcode/configure.ac
@@ -1,7 +1,7 @@
 dnl Process this file with autoconf to produce a configure script.
 
 AC_INIT([MIT/GNU Scheme microcode], [14.18], [bug-mit-scheme@gnu.org], [mit-scheme])
-AC_REVISION([$Id: configure.ac,v 1.29 2007/01/12 03:14:55 cph Exp $])
+AC_REVISION([$Id: configure.ac,v 1.30 2007/01/13 07:12:29 cph Exp $])
 AC_CONFIG_SRCDIR([boot.c])
 AC_CONFIG_HEADERS([config.h])
 AC_PROG_MAKE_SET
@@ -285,15 +285,15 @@ AC_TYPE_SIGNAL
 AC_TYPE_SIZE_T
 AC_TYPE_UID_T
 
-AC_TYPE_INT8_T
-AC_TYPE_INT16_T
-AC_TYPE_INT32_T
-AC_TYPE_INTPTR_T
+#AC_TYPE_INT8_T
+#AC_TYPE_INT16_T
+#AC_TYPE_INT32_T
+#AC_TYPE_INTPTR_T
 
-AC_TYPE_UINT8_T
-AC_TYPE_UINT16_T
-AC_TYPE_UINT32_T
-AC_TYPE_UINTPTR_T
+#AC_TYPE_UINT8_T
+#AC_TYPE_UINT16_T
+#AC_TYPE_UINT32_T
+#AC_TYPE_UINTPTR_T
 
 AC_CHECK_SIZEOF([char])
 AC_CHECK_SIZEOF([short])
@@ -304,8 +304,8 @@ AC_CHECK_SIZEOF([unsigned short])
 AC_CHECK_SIZEOF([unsigned int])
 AC_CHECK_SIZEOF([unsigned long])
 AC_CHECK_SIZEOF([void *])
-AC_CHECK_SIZEOF([intptr_t])
-AC_CHECK_SIZEOF([uintptr_t])
+#AC_CHECK_SIZEOF([intptr_t])
+#AC_CHECK_SIZEOF([uintptr_t])
 
 if test ${ac_cv_sizeof_char} -ne 1; then
     AC_MSG_ERROR([SIZEOF_CHAR is not 1])
@@ -634,13 +634,24 @@ if test "${with_db_4}" != no; then
        [
        AC_DEFINE([HAVE_DB_H], [1],
            [Define to 1 if you have the <db.h> header file.])
-       AC_CHECK_LIB([db-4], [db_create],
+       AC_MSG_CHECKING([for db_create in -ldb-4])
+       save_LIBS=${LIBS}
+       LIBS="${LIBS} -ldb-4"
+       AC_LINK_IFELSE(
+           [AC_LANG_PROGRAM(
+               [[#include <db.h>]],
+               [[db_create (0, 0, 0)]])],
            [
+           AC_MSG_RESULT([yes])
            AC_DEFINE([HAVE_LIBDB_4], [1], 
                [Define to 1 if you have the `db-4' library (-ldb-4).])
            MODULE_LIBS="-ldb-4 ${MODULE_LIBS}"
            MODULE_BASES="${MODULE_BASES} prdb4"
+           ],
+           [
+           AC_MSG_RESULT([no])
            ])
+       LIBS=${save_LIBS}
        ])
 fi