package support arm package

@@ -109,7 +109,7 @@ function Ubuntu_prepare()
     echo "Ubuntu install tools success"
     return 0
 }
-Ubuntu_prepare; ret=$?; if [[ 0 -ne $ret ]]; then echo "Ubuntu perfapre failed, ret=$ret"; exit $ret; fi
+Ubuntu_prepare; ret=$?; if [[ 0 -ne $ret ]]; then echo "Ubuntu prepare failed, ret=$ret"; exit $ret; fi
 #####################################################################################
 # for Centos, auto install tools by yum
 #####################################################################################
@@ -193,7 +193,7 @@ function Centos_prepare()
     echo "Centos install tools success"
     return 0
 }
-Centos_prepare; ret=$?; if [[ 0 -ne $ret ]]; then "CentOS perfapre failed, ret=$ret"; exit $ret; fi
+Centos_prepare; ret=$?; if [[ 0 -ne $ret ]]; then echo "CentOS prepare failed, ret=$ret"; exit $ret; fi
 
 #####################################################################################
 # st-1.9

 #!/bin/bash
 
+# Usage:
+#       bash package.sh [arm]
+#           option arm, whether build for arm, requires ubuntu12.
+
 # user can config the following configs, then package.
 INSTALL=/usr/local/srs
+# whether build for arm, only for ubuntu12.
+ARM=NO
 
 ##################################################################################
 ##################################################################################
 ##################################################################################
+# parse options.
+if [[ $1 == "arm" ]]; then ARM=YES; fi
+
 # discover the current work dir, the log and access.
 echo "argv[0]=$0"
 if [[ ! -f $0 ]]; then 
@@ -34,11 +43,19 @@ ok_msg "target os is ${os_name}-${os_major_version} ${os_release} ${os_machine}"
 # build srs
 # @see https://github.com/winlinvip/simple-rtmp-server/wiki/Build
 ok_msg "start build srs"
-(
+if [ $ARM = YES ]; then
+    (
+        cd $work_dir && 
+        ./configure --with-ssl --with-arm-ubuntu12 --prefix=$INSTALL &&
+        make && rm -rf $package_dir && make DESTDIR=$package_dir install
+    ) >> $log 2>&1
+else
+    (
         cd $work_dir && 
         ./configure --with-ssl --with-hls --with-nginx --with-ffmpeg --with-http-callback --prefix=$INSTALL &&
         make && rm -rf $package_dir && make DESTDIR=$package_dir install
-) >> $log 2>&1
+    ) >> $log 2>&1
+fi
 ret=$?; if [[ 0 -ne ${ret} ]]; then failed_msg "build srs failed"; exit $ret; fi
 ok_msg "build srs success"
 
@@ -54,6 +71,12 @@ ok_msg "start copy extra files to package"
 ret=$?; if [[ 0 -ne ${ret} ]]; then failed_msg "copy extra files failed"; exit $ret; fi
 ok_msg "copy extra files success"
 
+# detect for arm.
+if [ $ARM = YES ]; then
+    arm_cpu=`arm-linux-gnueabi-readelf --arch-specific ${build_objs}/srs|grep Tag_CPU_arch:|awk '{print $2}'`
+    os_machine='arm${arm_cpu}cpu'; 
+fi
+
 # generate zip dir and zip filename
 srs_version=`${build_objs}/srs -v 2>/dev/stdout 1>/dev/null` &&
 zip_dir="SRS-${os_name}${os_major_version}-${os_machine}-${srs_version}"