Rejigger header generation for default uname implementation.

1 files changed, 50 insertions, 0 deletions

diff --git a/scripts/config-uname.sh b/scripts/config-uname.sh
new file mode 100755
index 0000000000..cf32ca53bf
--- /dev/null
+++ b/scripts/config-uname.sh
@@ -0,0 +1,50 @@
+#!/bin/sh
+
+config_os=$1
+config_release=$2
+uname_machine=$3
+
+uname_sysname=`echo $config_os | sed 's/[0-9.]*$//'`
+if test $uname_sysname != $config_os; then
+  config_release=`echo $config_os | sed s/$uname_sysname//`
+fi
+
+if test -r /vmunix; then
+  kernel_id=`strings /vmunix | grep UNIX`
+elif test -r /dynix; then
+  kernel_id=`strings /dynix | grep DYNIX`
+else
+  kernel_id=
+fi
+
+kernel_release=`echo "$kernel_id" | sed 's/^[^0-9.]*\([0-9.]*\).*$/\1/'`
+if test x`echo "$config_release" | sed "s/^$kernel_release//"` \
+       != x$config_release; then
+  # The configuration release is a substring of the kernel release.
+  uname_release=$kernel_release
+elif test x$config_release != x; then
+  uname_release=$config_release
+elif test x$kernel_release != x; then
+  uname_release=$kernel_release
+else
+  uname_release=unknown
+fi
+
+kernel_version=`echo "$kernel_id" | sed 's/^[^#]*#\([0-9]*\).*$/\1/'`
+if test -n "$kernel_version"; then
+  uname_version="$kernel_version"
+else
+  uname_version=unknown
+fi
+
+cat <<EOF
+/* This file is generated by $0.  DO NOT EDIT.
+
+   This is used only by the generic uname function for systems with no real
+   uname call.  If this data is not correct, it does not matter much.  */
+
+#define UNAME_SYSNAME "$uname_sysname"
+#define UNAME_RELEASE "$uname_release"
+#define UNAME_VERSION "$uname_version"
+#define UNAME_MACHINE "$uname_machine"
+EOF