sync code with last improvements from OpenBSD

util/makedepend/configure.ac

@@ -0,0 +1,33 @@
+dnl
+dnl Process this file with autoconf to create configure.
+
+# Initialize Autoconf
+AC_PREREQ([2.60])
+AC_INIT([makedepend], [1.0.8],
+        [https://gitlab.freedesktop.org/xorg/util/makedepend/-/issues])
+AC_CONFIG_SRCDIR([Makefile.am])
+AC_CONFIG_HEADERS([makedepend-config.h])
+
+# Initialize Automake
+AM_INIT_AUTOMAKE([foreign dist-xz])
+
+# Require X.Org macros 1.8 or later for MAN_SUBSTS set by XORG_MANPAGE_SECTIONS
+m4_ifndef([XORG_MACROS_VERSION],
+	  [m4_fatal([must install xorg-macros 1.8 or later before running autoconf/autogen])])
+XORG_MACROS_VERSION(1.8)
+
+dnl Checks for programs.
+XORG_DEFAULT_OPTIONS
+XORG_WITH_LINT
+
+dnl Checks for functions
+AC_CHECK_FUNCS([rename fchmod])
+
+dnl Use 64-bit file operations on 32-bit systems that support them
+AC_SYS_LARGEFILE
+
+dnl Check for pkg-config packages
+PKG_CHECK_MODULES(X, [xproto >= 7.0.17])
+
+AC_CONFIG_FILES([Makefile])
+AC_OUTPUT