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-rw-r--r--llvm/autoconf/configure.ac5
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/autoconf/configure.ac b/llvm/autoconf/configure.ac
index 574a30cef9f..13b3db6200a 100644
--- a/llvm/autoconf/configure.ac
+++ b/llvm/autoconf/configure.ac
@@ -1709,6 +1709,11 @@ fi
dnl OCaml findlib META file
AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
+dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
+test "x$program_prefix" = "xNONE" && program_prefix=""
+AC_SUBST([program_prefix])
+
+
dnl Do special configuration of Makefiles
AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
AC_CONFIG_MAKEFILE(Makefile)
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