muparser: new recipe/patch file (#1349)

dev-cpp/muparser/patches/muparser-2.2.5.patchset

@@ -0,0 +1,25 @@
+From 6026d6149088809c41bac1702a96d739c80a9564 Mon Sep 17 00:00:00 2001
+From: begasus <begasus@gmail.com>
+Date: Wed, 17 May 2017 17:57:23 +0200
+Subject: fix -nostart issue for gcc5
+
+
+diff --git a/configure b/configure
+index 1a16abd..c7da732 100755
+--- a/configure
++++ b/configure
+@@ -6075,6 +6075,11 @@ fi
+         SHARED_LD_CXX="${LD} -nostart -o"
+       ;;
+ 
++      *-*-haiku* )
++                        SHARED_LD_CC="${CC} -shared -o"
++        SHARED_LD_CXX="${CXX} -shared -o"
++      ;;
++
+       *-*-irix* )
+                 if test "x$GCC" != "xyes"; then
+             PIC_FLAG="-KPIC"
+-- 
+2.7.0
+