--- configure.in.orig 2017-08-23 06:49:52.000000000 -0600
+++ configure.in 2021-03-29 14:40:50.317505290 -0600
@@ -29,9 +29,11 @@
# OCAMLWIN32 "yes"/"no" depending on Sys.os_type = "Win32"
# EXE ".exe" if OCAMLWIN32=yes, "" otherwise
+AC_INIT([ocplib-simplex], [0.4])
+
# check for one particular file of the sources
# ADAPT THE FOLLOWING LINE TO YOUR SOURCES!
-AC_INIT(src/core.ml)
+AC_CONFIG_SRCDIR([src/core.ml])
# Check for Ocaml compilers
@@ -137,5 +139,6 @@ AC_SUBST(OCAMLWIN32)
AC_SUBST(EXE)
# Finally create the Makefile.configurable from Makefile.configurable.in
-AC_OUTPUT(Makefile)
+AC_CONFIG_FILES([Makefile])
+AC_OUTPUT
chmod a-w Makefile