refine the configure

 #!/bin/bash
 
+ff_src_dir="../../3rdparty"
+
 ff_current_dir=$(pwd -P)
 ff_build_dir="${ff_current_dir}/_build"
 ff_release_dir="${ff_current_dir}/_release"
@@ -18,7 +20,7 @@ if [[ -f ${ff_yasm_bin} ]]; then
 else
     echo "build yasm-1.2.0"
     cd $ff_current_dir &&
-    rm -rf yasm-1.2.0 && unzip -q ../../3rdparty/yasm-1.2.0.zip &&
+    rm -rf yasm-1.2.0 && unzip -q ${ff_src_dir}/yasm-1.2.0.zip &&
     cd yasm-1.2.0 && ./configure --prefix=${ff_release_dir} &&
     make && make install
     ret=$?; if [[ 0 -ne ${ret} ]]; then echo "build yasm-1.2.0 failed"; exit 1; fi
@@ -30,8 +32,8 @@ if [[ -f ${ff_release_dir}/lib/libaacplus.a ]]; then
 else
     echo "build yasm-1.2.0"
     cd $ff_current_dir &&
-    rm -rf libaacplus-2.0.2 && unzip -q ../../3rdparty/libaacplus-2.0.2.zip &&
-    cd libaacplus-2.0.2 && cp ../../../3rdparty/libaacplus-patch-26410-800.zip src/26410-800.zip &&
+    rm -rf libaacplus-2.0.2 && unzip -q ${ff_src_dir}/libaacplus-2.0.2.zip &&
+    cd libaacplus-2.0.2 && cp ../${ff_src_dir}/libaacplus-patch-26410-800.zip src/26410-800.zip &&
     bash autogen.sh && ./configure --prefix=${ff_release_dir} --enable-static && make && make install
     ret=$?; if [[ 0 -ne ${ret} ]]; then echo "build libaacplus-2.0.2 failed"; exit 1; fi
 fi
@@ -42,7 +44,7 @@ if [[ -f ${ff_release_dir}/lib/libmp3lame.a ]]; then
 else
     echo "build lame-3.99.5"
     cd $ff_current_dir &&
-    rm -rf lame-3.99.5 && unzip -q ../../3rdparty/lame-3.99.5.zip &&
+    rm -rf lame-3.99.5 && unzip -q ${ff_src_dir}/lame-3.99.5.zip &&
     cd lame-3.99.5 && ./configure --prefix=${ff_release_dir} --enable-static && make && make install
     ret=$?; if [[ 0 -ne ${ret} ]]; then echo "build lame-3.99.5 failed"; exit 1; fi
 fi
@@ -53,7 +55,7 @@ if [[ -f ${ff_release_dir}/lib/libx264.a ]]; then
 else
     echo "build x264"
     cd $ff_current_dir &&
-    rm -rf x264-snapshot-20131129-2245-stable && unzip -q ../../3rdparty/x264-snapshot-20131129-2245-stable.zip &&
+    rm -rf x264-snapshot-20131129-2245-stable && unzip -q ${ff_src_dir}/x264-snapshot-20131129-2245-stable.zip &&
     cd x264-snapshot-20131129-2245-stable && ./configure --prefix=${ff_release_dir} --bit-depth=10 --enable-static && make && make install
     ret=$?; if [[ 0 -ne ${ret} ]]; then echo "build x264 failed"; exit 1; fi
 fi
@@ -64,7 +66,7 @@ if [[ -f ${ff_release_dir}/bin/ffmpeg ]]; then
 else
     echo "build ffmpeg-2.1.1"
     cd $ff_current_dir &&
-    rm -rf ffmpeg-2.1.1 && unzip -q ../../3rdparty/ffmpeg-2.1.1.zip &&
+    rm -rf ffmpeg-2.1.1 && unzip -q ${ff_src_dir}/ffmpeg-2.1.1.zip &&
     echo "remove all so to force the ffmpeg to build in static" &&
     rm -f ${ff_release_dir}/lib/*.so* &&
     echo "export the dir to enable the build command canbe use." &&

@@ -6,6 +6,12 @@ SRS_AUTO_HEADERS_H="${SRS_OBJS}/srs_auto_headers.hpp"
 
 mkdir -p ${SRS_OBJS}
 
+# linux shell color support.
+RED="\\e[31m"
+GREEN="\\e[32m"
+YELLOW="\\e[33m"
+BLACK="\\e[0m"
+
 # parse user options.
 . auto/options.sh
 
@@ -119,11 +125,34 @@ BUILD_KEY="simple_rtmp_server" APP_MAIN="srs_main_server" APP_NAME="simple_rtmp_
 
 echo 'configure ok! '
 
+# summary
+echo ""
+echo "configure summary:"
+if [ $SRS_HLS = YES ]; then
+    echo -e "${GREEN}HLS over nginx is enabled${BLACK}"
+else
+    echo -e "warning: without HLS support"
+fi
+if [ $SRS_SSL = YES ]; then
+    echo -e "${GREEN}rtmp complex handshake is enabled${BLACK}"
+else
+    echo -e "${YELLOW}warning: without rtmp complex handshake support, donot support h264/aac to adobe flash player${BLACK}"
+fi
+if [ $SRS_FFMPEG = YES ]; then
+    echo -e "${GREEN}live stream transcoding over FFMPEG is enabled${BLACK}"
+else
+    echo -e "${YELLOW}warning: without live stream transcoding over FFMPEG support${BLACK}"
+fi
+
 # next step.
+echo ""
 echo "you can:"
 echo "\" make \" to build the srs(simple rtmp server)."
 echo "\" make help \" to get the usage of make"
 if [ $SRS_HLS = YES ]; then
     echo "\" sudo ./objs/nginx/sbin/nginx  \" to start the nginx http server for hls"
 fi
+if [ $SRS_FFMPEG = YES ]; then
+    echo -e "\" ./objs/ffmpeg/bin/ffmpeg  \" is used for live stream transcoding"
+fi
 echo "\" ./objs/simple_rtmp_server -c conf/srs.conf \" to start the srs live server"