From 452696064e43c23f2a44edcded311f3d7b466d7e Mon Sep 17 00:00:00 2001
From: dos-reis <gdr@axiomatics.org>
Date: Sun, 16 Nov 2014 20:32:55 +0000
Subject: Check for LLVM framework

---
 config/open-axiom.m4 | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'config/open-axiom.m4')

diff --git a/config/open-axiom.m4 b/config/open-axiom.m4
index d16ee27e..02dccbb9 100644
--- a/config/open-axiom.m4
+++ b/config/open-axiom.m4
@@ -254,6 +254,26 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
   [AC_MSG_ERROR([OpenAxiom requires a C++11 compiler])])
 ])
 
+dnl --------------------------
+dnl -- OPENAXIOM_CHECK_LLVM --
+dnl --------------------------
+dnl Do we have recent enough LLVM?
+AC_DEFUN([OPENAXIOM_CHECK_LLVM],[
+oa_use_llvm=no
+AC_CHECK_PROGS([LLVM_CONFIG],[llvm-config])
+if test -n "$LLVM_CONFIG"; then
+  case `$LLVM_CONFIG --version` in
+    3.[[5-9]].*)
+      oa_use_llvm=yes
+      ;;
+    *)
+       ;;
+  esac
+  AC_DEFINE_UNQUOTED([OPENAXIOM_HOST_HAS_LLVM],[],[Host has LLVM.])
+fi
+AC_SUBST(oa_use_llvm)
+])
+
 dnl ------------------------------
 dnl -- OPENAXIOM_HOST_COMPILERS --
 dnl ------------------------------
@@ -284,6 +304,7 @@ OPENAXIOM_SATISFY_GCL_NEEDS
 AC_PROG_CPP
 AC_PROG_CXXCPP
 OPENAXIOM_CPPFLAGS_FOR_VENDOR_LOCK_INS
+OPENAXIOM_CHECK_LLVM
 ])
 
 dnl ---------------------------------
-- 
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