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-rw-r--r--configure.in8
1 files changed, 7 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index 1683d3f..36c8edc 100644
--- a/configure.in
+++ b/configure.in
@@ -14,6 +14,7 @@ dnl USE OF THIS SOFTWARE.
AC_INIT(kern/ipc_kobject.c)
+AC_PREREQ(2.12)
#
# Deduce output var `systype' from configuration parms.
@@ -37,6 +38,11 @@ AC_SUBST(cross_compiling)
AC_PREFIX_DEFAULT()
#
+# Options
+#
+AC_ARG_ENABLE(kdb, Enable use of in-kernel debugger, AC_DEFINE(MACH_KDB))
+
+#
# Programs
#
AC_PROG_CC_LOCAL
@@ -45,7 +51,7 @@ AC_PROG_INSTALL
AC_CHECK_TOOL(MIG, mig, mig)
if test $cross_compiling = yes; then
- AC_CHECK_PROG(BUILD_CC, gcc cc)
+ AC_CHECK_PROGS(BUILD_CC, gcc cc)
CC=$BUILD_CC
fi