From 31e8f55d21e7bd9917e443e6cfeecea3599bd98b Mon Sep 17 00:00:00 2001
From: sl1pkn07 <sl1pkn07@gmail.com>
Date: Mon, 29 Jun 2015 23:03:27 +0200
Subject: [PATCH] Normalize configure script

---
 configure | 27 ++++++++++-----------------
 1 file changed, 10 insertions(+), 17 deletions(-)
 mode change 100644 => 100755 configure

diff --git a/configure b/configure
old mode 100644
new mode 100755
index 796806d..7500abc
--- a/configure
+++ b/configure
@@ -16,7 +16,8 @@ options:
   --install=PATH           set dir for install library
                            [/usr/local/lib/vapoursynth]
 
-  --clang, --gcc           compile by g++ or clang++ [clang]
+  --cxx=CXX                use a defined compiler for compilation and linking
+                           [g++]
   --target-os=OS           build programs to run on OS [auto]
   --cross-prefix=PREFIX    use PREFIX for compilation tools
   --sysroot=SYSROOT        root of cross-build tree
@@ -38,6 +39,7 @@ error_exit()
     echo error: $1
     exit 1
 }
+
 log_echo()
 {
     echo $1
@@ -79,13 +81,10 @@ TARGET_OS=""
 CROSS=""
 
 SYSROOT=""
-CXX="clang++"
-LD="clang++"
+CXX="g++"
+LD="g++"
 STRIP="strip"
 
-test -n "$(which $CXX 2> /dev/null)" || CXX="g++"
-test -n "$(which $LD 2> /dev/null)" || LD="g++"
-
 DEBUG=""
 
 LIBNAME=""
@@ -107,10 +106,11 @@ for opt; do
             ;;
         --enable-debug)
             DEBUG="enabled"
-            XCXXFLAGS="$XCXXFLAGS -g"
+            CXXFLAGS="$CXXFLAGS -g"
             ;;
         --cxx=*)
             CXX="$optarg"
+            LD="$optarg"
             ;;
         --extra-cxxflags=*)
             XCXXFLAGS="$optarg"
@@ -131,14 +131,6 @@ for opt; do
             CXXFLAGS="$CXXFLAGS --sysroot=$optarg"
             LDFLAGS="$LDFLAGS --sysroot=$optarg"
             ;;
-        --gcc)
-            CXX="g++"
-            LD="g++"
-            ;;
-        --clang)
-            CXX="clang++"
-            LD="clang++"
-            ;;
         --target=*)
             TARGET="-m$optarg"
             ;;
@@ -186,8 +178,8 @@ log_echo "CXXFLAGS/LDFLAGS checking..."
 if ! cc_check "$CXXFLAGS" "$LDFLAGS"; then
     error_exit "invalid CXXFLAGS/LDFLAGS"
 fi
-if cc_check "-Os -ffast-math $CXXFLAGS" "$LDFLAGS"; then
-    CXXFLAGS="-Os -ffast-math $CXXFLAGS"
+if cc_check "-O2 -ffast-math $CXXFLAGS" "$LDFLAGS"; then
+    CXXFLAGS="-O2 -ffast-math $CXXFLAGS"
 fi
 if cc_check "$CXXFLAGS" "$LDFLAGS"; then
     CXXFLAGS="$CXXFLAGS"
@@ -210,6 +202,7 @@ fi
 
 LDFLAGS="$SOFLAGS $LDFLAGS"
 LIBS="$LIBS $XLIBS"
+CXXFLAGS="$CXXFLAGS $VSCFLAGS"
 
 
 cat >> config.mak << EOF