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-rw-r--r--gdb/configure.in6
1 files changed, 5 insertions, 1 deletions
diff --git a/gdb/configure.in b/gdb/configure.in
index 0c1158e..1ef77ce 100644
--- a/gdb/configure.in
+++ b/gdb/configure.in
@@ -15,7 +15,11 @@ AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
AC_CANONICAL_SYSTEM
AC_ARG_PROGRAM
-AC_CHECK_HEADERS(unistd.h)
+AC_HEADER_STDC
+AC_CHECK_HEADERS(memory.h string.h strings.h unistd.h)
+AC_HEADER_STAT
+
+AC_FUNC_MMAP
dnl Handle optional features that can be enabled.
ENABLE_CFLAGS=