#!/bin/bash

#####################################################################################
# the main output dir, all configure and make output are in this dir.
#####################################################################################
# Configure SRS from other directory, for example:
#       env SRS_WORKDIR=~/git/srs/trunk ./configure
if [[ -z $SRS_WORKDIR ]]; then SRS_WORKDIR="."; fi
# Set the objs to other directory, for example:
#       env SRS_OUTPUT=$(pwd) ./configure
if [[ -z $SRS_OUTPUT ]]; then
    SRS_OBJS="${SRS_WORKDIR}/objs" && SRS_MAKEFILE=${SRS_WORKDIR}/Makefile
else
    SRS_OBJS="${SRS_OUTPUT}/objs" && SRS_MAKEFILE=${SRS_OUTPUT}/Makefile
fi

# linux shell color support.
RED="\\033[31m"
GREEN="\\033[32m"
YELLOW="\\033[33m"
BLACK="\\033[0m"

#####################################################################################
# parse user options, set the variables like:
# srs features: SRS_SSL/SRS_HLS/SRS_HTTP_CALLBACK/......
# build options: SRS_JOBS
#####################################################################################
# parse options, exit with error when parse options invalid.
. $SRS_WORKDIR/auto/options.sh

# setup variables when options parsed.
. $SRS_WORKDIR/auto/setup_variables.sh

# We don't need to cleanup the exists files.
rm -f ${SRS_MAKEFILE}

# Create objs and platform directories.
mkdir -p ${SRS_OBJS}/${SRS_PLATFORM}
# If only generate objs directory, quit without error.
if [[ $SRS_GENERATE_OBJS == YES ]]; then exit 0; fi

# apply user options.
. $SRS_WORKDIR/auto/depends.sh

# the auto generated variables.
. $SRS_WORKDIR/auto/auto_headers.sh

#####################################################################################
# generate Makefile.
#####################################################################################
# ubuntu echo in Makefile cannot display color, use bash instead
SRS_BUILD_SUMMARY="_srs_build_summary.sh"

# utest make entry, (cd utest; make)
SrsUtestMakeEntry="@echo -e \"ignore utest for it's disabled\""
if [[ $SRS_UTEST == YES ]]; then SrsUtestMakeEntry="\$(MAKE)\$(JOBS) -C ${SRS_OBJS}/${SRS_PLATFORM}/utest"; fi

#####################################################################################
# finger out modules to install.
# where srs module is a dir which contains a config file.
SRS_MODULES=()
__mfiles=$(find $SRS_WORKDIR/modules -name "config") && for __mfile in $__mfiles; do
    SRS_MODULES+=("`dirname $__mfile`")
done

# variables for makefile for all modules.
__mphonys="" && __mdefaults="" && __mcleanups=""
# add each modules for application
for SRS_MODULE in ${SRS_MODULES[*]}; do
    echo "install module at: $SRS_MODULE"
    . $SRS_WORKDIR/auto/reset_module.sh && . $SRS_MODULE/config
    if [[ 0 -ne ${#SRS_MODULE_MAIN[@]} ]]; then
        __mphonys="$__mphonys $SRS_MODULE_NAME"
        __mdefaults="$__mdefaults $SRS_MODULE_NAME"
        __mcleanups="$__mcleanups $SRS_MODULE_NAME"
    fi
done

# generate extra phony for each modules.
cat << END > ${SRS_OBJS}/Makefile

.PHONY: $__mphonys

END

#####################################################################################
# build tools or compiler args.
# enable gdb debug
GDBDebug=" -g -O0"
# the warning level.
WarnLevel=" -Wall"
# the compile standard.
CppStd="-ansi"
if [[ $SRS_CXX11 == YES ]]; then
    CppStd="-std=c++11"
    if [[ $SRS_CYGWIN64 == YES ]]; then CppStd="-std=gnu++11"; fi
fi
if [[ $SRS_CXX14 == YES ]]; then
    CppStd="-std=c++14"
    if [[ $SRS_CYGWIN64 == YES ]]; then CppStd="-std=gnu++14"; fi
fi
# performance of gprof
SrsGprof=""; SrsGprofLink=""; if [[ $SRS_GPROF == YES ]]; then SrsGprof=" -pg -lc_p"; SrsGprofLink=" -pg"; fi
# performance of gperf
SrsGperf=""; SrsGperfLink=""; if [[ $SRS_GPERF == YES ]]; then SrsGperfLink=" -lpthread"; fi
# the cxx flag generated.
CXXFLAGS="${CXXFLAGS} ${CppStd}${WarnLevel}${GDBDebug}${LibraryCompile}${SrsGprof}"
if [[ $SRS_GPERF == YES ]]; then
    CXXFLAGS="${CXXFLAGS} -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free";
fi
# For coverage.
if [[ $SRS_GCOV == YES ]]; then
    SrsGcov="-fprofile-arcs -ftest-coverage"
fi
if [[ $SRS_GCOV == YES ]]; then
    CXXFLAGS="${CXXFLAGS} ${SrsGcov}";
fi
# User configed options.
if [[ $SRS_EXTRA_FLAGS != '' ]]; then
    CXXFLAGS="${CXXFLAGS} $SRS_EXTRA_FLAGS";
fi

# For Sanitizer
# @doc: https://github.com/google/sanitizers/wiki/AddressSanitizer
if [[ $SRS_SANITIZER == YES && $OS_IS_X86_64 == YES ]]; then
    CXXFLAGS="${CXXFLAGS} -fsanitize=address -fno-omit-frame-pointer";
fi

# Start to generate the Makefile.
cat << END >> ${SRS_OBJS}/Makefile
GCC = ${SRS_TOOL_CC}
CXX = ${SRS_TOOL_CXX}
AR = ${SRS_TOOL_AR}
LINK = ${SRS_TOOL_CXX}
CXXFLAGS = ${CXXFLAGS}

.PHONY: default srs srs_ingest_hls

default:

END

#####################################################################################
# Libraries, external library to build in srs,
# header(.h): add to ModuleLibIncs if need the specified library. for example, LibSTRoot
# library(.a): add to ModuleLibFiles if binary need the specifeid library. for example, LibSTfile
#

# the link options, always use static link
SrsLinkOptions="-ldl -lpthread";

# st(state-threads) the basic network library for SRS.
LibSTRoot="${SRS_OBJS}/st"; LibSTfile="${LibSTRoot}/libst.a"
if [[ $SRS_SHARED_ST == YES ]]; then LibSTfile="-L${LibSTRoot} -lst"; fi

# srtp
if [[ $SRS_RTC == YES ]]; then
  LibSrtpRoot="${SRS_OBJS}/srtp2/include"; LibSrtpFile="${SRS_OBJS}/srtp2/lib/libsrtp2.a"
  if [[ $SRS_USE_SYS_SRTP == YES ]]; then
      LibSrtpRoot=""; LibSrtpFile="libsrtp2.a"
      if [[ $SRS_SHARED_SRTP == YES ]]; then
          LibSrtpFile=""; 
          SrsLinkOptions="${SrsLinkOptions} -lsrtp2";
      fi
  fi
fi

# FFMPEG for WebRTC transcoding, such as aac to opus.
if [[ $SRS_FFMPEG_FIT == YES ]]; then
    LibFfmpegRoot="${SRS_OBJS}/ffmpeg/include"
    LibFfmpegFile="${SRS_OBJS}/ffmpeg/lib/libavcodec.a ${SRS_OBJS}/ffmpeg/lib/libswresample.a ${SRS_OBJS}/ffmpeg/lib/libavutil.a"
    if [[ $SRS_FFMPEG_OPUS != YES ]]; then
        LibFfmpegFile="${LibFfmpegFile} ${SRS_OBJS}/opus/lib/libopus.a"
    fi
    if [[ $SRS_SHARED_FFMPEG == YES ]]; then
        LibFfmpegFile="-L${SRS_OBJS}/ffmpeg/lib -lavcodec -lswresample -lavutil";
        if [[ $SRS_FFMPEG_OPUS != YES ]]; then
            LibFfmpegFile="$LibFfmpegFile -L${SRS_OBJS}/opus/lib -lopus"
        fi
    fi
    if [[ $SRS_USE_SYS_FFMPEG == YES ]]; then
        LibFfmpegRoot=""
        LibFfmpegFile="libavcodec.a libswresample.a libavutil.a libopus.a";
        if [[ $SRS_SHARED_FFMPEG == YES ]]; then
            LibFfmpegFile=""
            SrsLinkOptions="${SrsLinkOptions} -lavcodec -lswresample -lavutil -lopus";
        fi
    fi
fi

# openssl-1.1.0e, for the RTMP complex handshake.
LibSSLRoot="";LibSSLfile=""
if [[ $SRS_SSL == YES && $SRS_USE_SYS_SSL == NO ]]; then
    LibSSLRoot="${SRS_OBJS}/openssl/include"; LibSSLfile="${SRS_OBJS}/openssl/lib/libssl.a ${SRS_OBJS}/openssl/lib/libcrypto.a";
fi

# gperftools-2.1, for mem check and mem/cpu profile
LibGperfRoot=""; LibGperfFile=""
if [[ $SRS_GPERF == YES ]]; then
    LibGperfRoot="${SRS_OBJS}/gperf/include"; LibGperfFile="${SRS_OBJS}/gperf/lib/libtcmalloc_and_profiler.a";
fi
if [[ $SRS_GPERF_MD == YES ]]; then
    LibGperfFile="${SRS_OBJS}/gperf/lib/libtcmalloc_debug.a";
fi

# srt code path
if [[ $SRS_SRT == YES ]]; then
    LibSRTRoot="${SRS_OBJS}/srt/include"; LibSRTfile="${SRS_OBJS}/srt/lib/libsrt.a"
    if [[ $SRS_SHARED_SRT == YES ]]; then LibSRTfile="-L${SRS_OBJS}/srt/lib -lsrt"; fi
    if [[ $SRS_USE_SYS_SRT == YES ]]; then
        LibSRTRoot=""; LibSRTfile="libsrt.a"
        if [[ $SRS_SHARED_SRT == YES ]]; then 
            LibSRTfile=""; 
            SrsLinkOptions="${SrsLinkOptions} -lsrt";
        fi
    fi
fi

if [[ $SRS_SSL == YES && $SRS_USE_SYS_SSL == YES ]]; then
    SrsLinkOptions="${SrsLinkOptions} -lssl -lcrypto";
fi

# Static link the c++ libraries, for user who build SRS by a new version of gcc,
# so we need to link the c++ libraries staticly but not all.
# @see https://stackoverflow.com/a/26107550
if [[ $SRS_STATIC == YES ]]; then
    SrsLinkOptions="${SrsLinkOptions} -static-libstdc++";
fi

# For coverage.
if [[ $SRS_GCOV == YES ]]; then
    SrsLinkOptions="${SrsLinkOptions} ${SrsGcov}";
fi

# For FFMPEG/RTC on Linux.
if [[ $SRS_OSX != YES && $SRS_CYGWIN64 != YES && $SRS_RTC == YES && $SRS_FFMPEG_FIT == YES ]]; then
    SrsLinkOptions="${SrsLinkOptions} -lrt";
fi

# The backtrace symbol option.
if [[ $SRS_BACKTRACE == YES ]]; then
    SrsLinkOptions="${SrsLinkOptions} -rdynamic";
fi

# For address sanitizer
# @doc: https://github.com/google/sanitizers/wiki/AddressSanitizer
if [[ $SRS_SANITIZER == YES && $OS_IS_X86_64 == YES ]]; then
    SrsLinkOptions="${SrsLinkOptions} -fsanitize=address -fno-omit-frame-pointer";
    if [[ $SRS_SANITIZER_STATIC == YES ]]; then
        SrsLinkOptions="${SrsLinkOptions} -static-libasan";
    fi
fi

# For FFMPEG/RTC on windows.
if [[ $SRS_CYGWIN64 == YES && $SRS_FFMPEG_FIT == YES ]]; then
    SrsLinkOptions="${SrsLinkOptions} -lbcrypt";
fi

# User configed options.
if [[ $SRS_EXTRA_LDFLAGS != '' ]]; then
    SrsLinkOptions="${SrsLinkOptions} $SRS_EXTRA_LDFLAGS";
fi

#####################################################################################
# Modules, compile each module, then link to binary
#
#Core, depends only on system apis.
MODULE_ID="CORE"
MODULE_DEPENDS=()
ModuleLibIncs=(${SRS_OBJS})
MODULE_FILES=("srs_core" "srs_core_version" "srs_core_version6" "srs_core_autofree" "srs_core_performance"
		"srs_core_time" "srs_core_platform" "srs_core_deprecated")
CORE_INCS="src/core"; MODULE_DIR=${CORE_INCS} . $SRS_WORKDIR/auto/modules.sh
CORE_OBJS="${MODULE_OBJS[@]}"
#
#Kernel, depends on core, provides error/log/config, nothing about stream information.
MODULE_ID="KERNEL" 
MODULE_DEPENDS=("CORE") 
ModuleLibIncs=(${SRS_OBJS} ${LibSSLRoot})
MODULE_FILES=("srs_kernel_error" "srs_kernel_log" "srs_kernel_buffer"
        "srs_kernel_utility" "srs_kernel_flv" "srs_kernel_codec" "srs_kernel_io"
        "srs_kernel_consts" "srs_kernel_aac" "srs_kernel_mp3" "srs_kernel_ts" "srs_kernel_ps"
        "srs_kernel_stream" "srs_kernel_balance" "srs_kernel_mp4" "srs_kernel_file"
        "srs_kernel_kbps")
if [[ $SRS_RTC == YES ]]; then
    MODULE_FILES+=("srs_kernel_rtc_rtp" "srs_kernel_rtc_rtcp")
fi
KERNEL_INCS="src/kernel"; MODULE_DIR=${KERNEL_INCS} . $SRS_WORKDIR/auto/modules.sh
KERNEL_OBJS="${MODULE_OBJS[@]}"
#
#RTMP/HTTP/Raw Protocol, depends on core/kernel, provides rtmp/htttp protocol features.
MODULE_ID="PROTOCOL" 
MODULE_DEPENDS=("CORE" "KERNEL") 
ModuleLibIncs=(${SRS_OBJS} ${LibSTRoot} ${LibSSLRoot})
MODULE_FILES=("srs_protocol_amf0" "srs_protocol_io" "srs_protocol_conn" "srs_protocol_rtmp_handshake"
        "srs_protocol_rtmp_stack" "srs_protocol_utility" "srs_protocol_rtmp_msg_array" "srs_protocol_stream"
        "srs_protocol_raw_avc" "srs_protocol_http_stack" "srs_protocol_kbps" "srs_protocol_json"
        "srs_protocol_format" "srs_protocol_log" "srs_protocol_st" "srs_protocol_http_client"
        "srs_protocol_http_conn" "srs_protocol_rtmp_conn" "srs_protocol_protobuf")
if [[ $SRS_SRT == YES ]]; then
    MODULE_FILES+=("srs_protocol_srt")
    ModuleLibIncs+=(${LibSRTRoot})
fi
if [[ $SRS_RTC == YES ]]; then
    MODULE_FILES+=("srs_protocol_rtc_stun")
fi
PROTOCOL_INCS="src/protocol"; MODULE_DIR=${PROTOCOL_INCS} . $SRS_WORKDIR/auto/modules.sh
PROTOCOL_OBJS="${MODULE_OBJS[@]}"

#
#App Module, for SRS server only.
MODULE_ID="APP"
MODULE_DEPENDS=("CORE" "KERNEL" "PROTOCOL")
ModuleLibIncs=(${SRS_OBJS} ${LibSSLRoot})
if [[ $SRS_GPERF == YES ]]; then
    ModuleLibIncs+=(${LibGperfRoot})
fi
if [[ $SRS_RTC == YES ]]; then
    ModuleLibIncs+=(${LibSrtpRoot})
fi
if [[ $SRS_FFMPEG_FIT == YES ]]; then
    ModuleLibIncs+=("${LibFfmpegRoot[*]}")
fi
MODULE_FILES=("srs_app_server" "srs_app_conn" "srs_app_rtmp_conn" "srs_app_source"
        "srs_app_refer" "srs_app_hls" "srs_app_forward" "srs_app_encoder" "srs_app_http_stream"
        "srs_app_st" "srs_app_log" "srs_app_config" "srs_app_stream_bridge"
        "srs_app_pithy_print" "srs_app_reload" "srs_app_http_api" "srs_app_http_conn" "srs_app_http_hooks"
        "srs_app_ingest" "srs_app_ffmpeg" "srs_app_utility" "srs_app_edge"
        "srs_app_heartbeat" "srs_app_empty" "srs_app_http_client" "srs_app_http_static"
        "srs_app_recv_thread" "srs_app_security" "srs_app_statistic" "srs_app_hds"
        "srs_app_mpegts_udp" "srs_app_listener" "srs_app_async_call"
        "srs_app_caster_flv" "srs_app_latest_version" "srs_app_uuid" "srs_app_process" "srs_app_ng_exec"
        "srs_app_hourglass" "srs_app_dash" "srs_app_fragment" "srs_app_dvr"
        "srs_app_coworkers" "srs_app_hybrid" "srs_app_threads")
if [[ $SRS_SRT == YES ]]; then
    MODULE_FILES+=("srs_app_srt_server" "srs_app_srt_listener" "srs_app_srt_conn" "srs_app_srt_utility" "srs_app_srt_source")
fi
if [[ $SRS_RTC == YES ]]; then
    MODULE_FILES+=("srs_app_rtc_conn" "srs_app_rtc_dtls" "srs_app_rtc_sdp" "srs_app_rtc_network"
        "srs_app_rtc_queue" "srs_app_rtc_server" "srs_app_rtc_source" "srs_app_rtc_api")
fi
if [[ $SRS_APM == YES ]]; then
    MODULE_FILES+=("srs_app_tencentcloud")
fi
if [[ $SRS_FFMPEG_FIT == YES ]]; then
    MODULE_FILES+=("srs_app_rtc_codec")
fi
if [[ $SRS_GB28181 == YES ]]; then
    MODULE_FILES+=("srs_app_gb28181")
fi

DEFINES=""
# add each modules for app
for SRS_MODULE in ${SRS_MODULES[*]}; do
    . $SRS_WORKDIR/auto/reset_module.sh && . $SRS_MODULE/config
    MODULE_FILES+=("${SRS_MODULE_APP[*]}")
    DEFINES="${DEFINES} ${SRS_MODULE_DEFINES}"
done
APP_INCS="src/app"; MODULE_DIR=${APP_INCS} . $SRS_WORKDIR/auto/modules.sh
APP_OBJS="${MODULE_OBJS[@]}"
#
#Server Module, for SRS only.
MODULE_ID="SERVER"
MODULE_DEPENDS=("CORE" "KERNEL" "PROTOCOL" "APP")
ModuleLibIncs=(${SRS_OBJS} ${LibGperfRoot} ${LibSSLRoot})
if [[ $SRS_RTC == YES ]]; then
    ModuleLibIncs+=(${LibSrtpRoot})
fi
if [[ $SRS_FFMPEG_FIT == YES ]]; then
    ModuleLibIncs+=("${LibFfmpegRoot[*]}")
fi
MODULE_FILES=("srs_main_server")
SERVER_INCS="src/main"; MODULE_DIR=${SERVER_INCS} . $SRS_WORKDIR/auto/modules.sh
SERVER_OBJS="${MODULE_OBJS[@]}"
#
#Main Module, for app from modules.
MODULE_ID="MAIN"
MODULE_DEPENDS=("CORE" "KERNEL" "PROTOCOL" "APP")
ModuleLibIncs=(${SRS_OBJS} ${LibGperfRoot} ${LibSSLRoot})
if [[ $SRS_RTC == YES ]]; then
    ModuleLibIncs+=(${LibSrtpRoot})
fi
if [[ $SRS_FFMPEG_FIT == YES ]]; then
    ModuleLibIncs+=("${LibFfmpegRoot[*]}")
fi
MODULE_FILES=()
DEFINES=""
# add each modules for main
for SRS_MODULE in ${SRS_MODULES[*]}; do
    . $SRS_WORKDIR/auto/reset_module.sh && . $SRS_MODULE/config
    MODULE_FILES+=("${SRS_MODULE_MAIN[*]}")
    DEFINES="${DEFINES} ${SRS_MODULE_DEFINES}"
done
MAIN_INCS="src/main"; MODULE_DIR=${MAIN_INCS} . $SRS_WORKDIR/auto/modules.sh
MAIN_OBJS="${MODULE_OBJS[@]}"

#####################################################################################
# Binaries, main entrances, link the module and its depends modules,
# then link to a binary, for example, objs/srs
#
# all main entrances
MAIN_ENTRANCES=("srs_main_server")
for SRS_MODULE in ${SRS_MODULES[*]}; do
    . $SRS_WORKDIR/auto/reset_module.sh && . $SRS_MODULE/config
    MAIN_ENTRANCES+=("${SRS_MODULE_MAIN[*]}")
done
#
# all depends libraries
ModuleLibFiles=(${LibSTfile} ${LibSSLfile} ${LibGperfFile})
if [[ $SRS_RTC == YES ]]; then
    ModuleLibFiles+=(${LibSrtpFile})
fi
if [[ $SRS_FFMPEG_FIT == YES ]]; then
    ModuleLibFiles+=("${LibFfmpegFile[*]}")
fi
if [[ $SRS_SRT == YES ]]; then
    ModuleLibFiles+=("${LibSRTfile[*]}")
fi
# all depends objects
MODULE_OBJS="${CORE_OBJS[@]} ${KERNEL_OBJS[@]} ${PROTOCOL_OBJS[@]} ${APP_OBJS[@]} ${SERVER_OBJS[@]}"
ModuleLibIncs=(${SRS_OBJS} ${LibSTRoot} ${LibGperfRoot} ${LibSSLRoot})
if [[ $SRS_RTC == YES ]]; then
    ModuleLibIncs+=(${LibSrtpRoot})
fi
if [[ $SRS_FFMPEG_FIT == YES ]]; then
    ModuleLibIncs+=("${LibFfmpegRoot[*]}")
fi
if [[ $SRS_SRT == YES ]]; then
    ModuleLibIncs+=(${LibSRTRoot})
    MODULE_OBJS="${MODULE_OBJS} ${SRT_OBJS[@]}"
fi
LINK_OPTIONS="${LDFLAGS} ${SrsLinkOptions}${SrsGprofLink}${SrsGperfLink}"
#
# srs: srs(simple rtmp server) over st(state-threads)
BUILD_KEY="srs" APP_MAIN="srs_main_server" APP_NAME="srs" . $SRS_WORKDIR/auto/apps.sh
#
# For modules, with the app module.
MODULE_OBJS="${CORE_OBJS[@]} ${KERNEL_OBJS[@]} ${PROTOCOL_OBJS[@]} ${APP_OBJS[@]} ${MAIN_OBJS[@]}"
ModuleLibFiles=(${LibSTfile} ${LibSSLfile} ${LibGperfFile})
if [[ $SRS_RTC == YES ]]; then
    ModuleLibFiles+=(${LibSrtpFile})
fi
if [[ $SRS_FFMPEG_FIT == YES ]]; then
    ModuleLibFiles+=("${LibFfmpegFile[*]}")
fi
if [[ $SRS_SRT == YES ]]; then
    ModuleLibFiles+=("${LibSRTfile[*]}")
fi
#
for SRS_MODULE in ${SRS_MODULES[*]}; do
    . $SRS_WORKDIR/auto/reset_module.sh && . $SRS_MODULE/config
    # no SRS_MODULE_MAIN
    if [[ 0 -eq ${#SRS_MODULE_MAIN[@]} ]]; then continue; fi
    BUILD_KEY="$SRS_MODULE_NAME" APP_MAIN="${SRS_MODULE_MAIN[0]}" APP_NAME="$SRS_MODULE_NAME" . $SRS_WORKDIR/auto/apps.sh
done
# For utest on mac.
# @see https://github.com/protocolbuffers/protobuf/issues/51#issuecomment-111044468
if [[ $SRS_OSX == YES ]]; then
    UTEST_EXTRA_DEFINES="-DGTEST_USE_OWN_TR1_TUPLE=1"
fi
#
# utest, the unit-test cases of srs, base on gtest1.6
if [[ $SRS_UTEST == YES ]]; then
    MODULE_FILES=("srs_utest" "srs_utest_amf0" "srs_utest_kernel" "srs_utest_core"
        "srs_utest_config" "srs_utest_rtmp" "srs_utest_http" "srs_utest_avc" "srs_utest_reload"
        "srs_utest_mp4" "srs_utest_service" "srs_utest_app" "srs_utest_rtc" "srs_utest_config2"
        "srs_utest_protocol" "srs_utest_protocol2" "srs_utest_kernel2" "srs_utest_protocol3")
    if [[ $SRS_SRT == YES ]]; then
        MODULE_FILES+=("srs_utest_srt")
    fi
    if [[ $SRS_GB28181 == YES ]]; then
        MODULE_FILES+=("srs_utest_gb28181")
    fi
    ModuleLibIncs=(${SRS_OBJS} ${LibSTRoot} ${LibSSLRoot})
    if [[ $SRS_RTC == YES ]]; then
        ModuleLibIncs+=(${LibSrtpRoot})
    fi
    if [[ $SRS_FFMPEG_FIT == YES ]]; then
        ModuleLibIncs+=("${LibFfmpegRoot[*]}")
    fi
    if [[ $SRS_SRT == YES ]]; then
        ModuleLibIncs+=("${LibSRTRoot[*]}")
    fi
    ModuleLibFiles=(${LibSTfile} ${LibSSLfile})
    if [[ $SRS_RTC == YES ]]; then
        ModuleLibFiles+=(${LibSrtpFile})
    fi
    if [[ $SRS_FFMPEG_FIT == YES ]]; then
        ModuleLibFiles+=("${LibFfmpegFile[*]}")
    fi
    if [[ $SRS_SRT == YES ]]; then
        ModuleLibFiles+=("${LibSRTfile[*]}")
    fi
    MODULE_DEPENDS=("CORE" "KERNEL" "PROTOCOL" "APP")
    MODULE_OBJS="${CORE_OBJS[@]} ${KERNEL_OBJS[@]} ${PROTOCOL_OBJS[@]} ${APP_OBJS[@]} ${SRT_OBJS[@]}"
    LINK_OPTIONS="${LDFLAGS} -lpthread ${SrsLinkOptions}" MODULE_DIR="src/utest" APP_NAME="srs_utest" . $SRS_WORKDIR/auto/utest.sh
fi

#####################################################################################
# generate colorful summary script
. $SRS_WORKDIR/auto/summary.sh

#####################################################################################
# makefile
echo "Generate Makefile"

# backup old makefile.
rm -f ${SRS_MAKEFILE}.bk &&
mv ${SRS_MAKEFILE} ${SRS_MAKEFILE}.bk

# generate phony header
cat << END > ${SRS_MAKEFILE}
.PHONY: default all _default install help clean destroy server utest _prepare_dir $__mphonys
.PHONY: clean_srs clean_modules clean_openssl clean_srtp2 clean_opus clean_ffmpeg clean_st
.PHONY: st ffmpeg

GCC = ${SRS_TOOL_CC}
CXX = ${SRS_TOOL_CXX}
AR = ${SRS_TOOL_AR}
LINK = ${SRS_TOOL_LD}
RANDLIB = ${SRS_TOOL_RANDLIB}
CXXFLAGS = ${CXXFLAGS}
LDFLAGS = ${LDFLAGS}

# install prefix.
SRS_PREFIX=${SRS_PREFIX}
SRS_DEFAULT_CONFIG=${SRS_DEFAULT_CONFIG}
__REAL_INSTALL=\$(DESTDIR)\$(SRS_PREFIX)

SRS_FORCE_MAKE_JOBS=${SRS_FORCE_MAKE_JOBS}
END

if [[ $SRS_FORCE_MAKE_JOBS == YES ]]; then
    cat << END >> ${SRS_MAKEFILE}
JOBS=\$(shell echo \$(MAKEFLAGS)| grep -qE '\-j[0-9]+' || echo " ${SRS_JOBS}")
END
fi

# the real entry for all platform:
cat << END >> ${SRS_MAKEFILE}

default: server

all: _default

_default: server utest $__mdefaults

help:
	@echo "Usage: make <help>|<clean>|<destroy>|<server>|<utest>|<install>|<uninstall>"
	@echo "     help            Display this help menu"
	@echo "     clean           Cleanup project and all depends"
	@echo "     destroy         Cleanup all files for this platform in ${SRS_OBJS}/${SRS_PLATFORM}"
	@echo "     server          Build the srs and other modules in main"
	@echo "     utest           Build the utest for srs"
	@echo "     install         Install srs to the prefix path"
	@echo "     uninstall       Uninstall srs from prefix path"
	@echo "To rebuild special module:"
	@echo "     st              Rebuild st-srs in ${SRS_OBJS}/${SRS_PLATFORM}/st-srs"
	@echo "     ffmpeg          Rebuild ffmpeg in ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4.2-fit"
	@echo "To reconfigure special depends:"
	@echo "     clean_openssl   Remove the openssl cache."
	@echo "     clean_srtp2     Remove the libsrtp2 cache."
	@echo "     clean_opus      Remove the opus cache."
	@echo "     clean_ffmpeg    Remove the FFmpeg cache."
	@echo "     clean_st        Remove the ST cache."
	@echo "For example:"
	@echo "     make"
	@echo "     make help"

doclean:
	(cd ${SRS_OBJS} && rm -rf srs srs_utest srs.exe srs_utest.exe $__mcleanups)
	(cd ${SRS_OBJS} && rm -rf src/* include lib)
	(mkdir -p ${SRS_OBJS}/utest && cd ${SRS_OBJS}/utest && rm -rf *.o *.a)

clean: clean_srs clean_modules

destroy:
	(cd ${SRS_OBJS} && rm -rf ${SRS_PLATFORM})

clean_srs:
	@(cd ${SRS_OBJS} && rm -rf srs srs_utest src/* utest/*)

clean_modules:
	@(cd ${SRS_OBJS} && rm -rf $__mdefaults)

clean_openssl:
	@rm -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdparty/openssl
	@echo "Please rebuild openssl by: ./configure"

clean_srtp2:
	@rm -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdparty/srtp2
	@echo "Please rebuild libsrtp2 by: ./configure"

clean_opus:
	@rm -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdparty/opus
	@echo "Please rebuild opus by: ./configure"

clean_ffmpeg:
	@rm -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdparty/ffmpeg
	@echo "Please rebuild FFmpeg by: ./configure"

clean_st:
	@rm -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdparty/st
	@echo "Please rebuild ST by: ./configure"

st:
	@rm -f ${SRS_OBJS}/srs srs_utest
	@\$(MAKE)\$(JOBS) -C ${SRS_OBJS}/${SRS_PLATFORM}/st-srs clean
	@env EXTRA_CFLAGS="${_ST_EXTRA_CFLAGS}" \$(MAKE)\$(JOBS) -C ${SRS_OBJS}/${SRS_PLATFORM}/st-srs ${_ST_MAKE_ARGS} CC=\$(GCC) AR=\$(AR) LD=\$(LINK) RANDLIB=\$(RANDLIB)
	@echo "Please rebuild srs by: make"

ffmpeg:
	@rm -f ${SRS_OBJS}/srs srs_utest
	\$(MAKE)\$(JOBS) -C ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4.2-fit
	\$(MAKE)\$(JOBS) -C ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4.2-fit install-libs
	@echo "Please rebuild srs by: make"

END

# Generate Makefile entry for srs-server.
cat << END >> ${SRS_MAKEFILE}
server: _prepare_dir
	@echo "Build the SRS server, JOBS=\${JOBS}, FORCE_MAKE_JOBS=${SRS_FORCE_MAKE_JOBS}"
	\$(MAKE)\$(JOBS) -f ${SRS_OBJS}/Makefile srs
	@bash objs/_srs_build_summary.sh

END

# generate all modules entry
for SRS_MODULE in ${SRS_MODULES[*]}; do
    . $SRS_WORKDIR/auto/reset_module.sh && . $SRS_MODULE/config
    cat << END >> ${SRS_MAKEFILE}
$SRS_MODULE_NAME: _prepare_dir server
	@echo "Build the $SRS_MODULE_NAME over SRS"
	\$(MAKE)\$(JOBS) -f ${SRS_OBJS}/Makefile $SRS_MODULE_NAME

END
done

# install entry
cat << END >> ${SRS_MAKEFILE}
uninstall:
	@echo "rmdir \$(SRS_PREFIX)"
	@rm -rf \$(SRS_PREFIX)

install:
	@echo "Now mkdir \$(__REAL_INSTALL)"
	@mkdir -p \$(__REAL_INSTALL)
	@echo "Now make the http root dir"
	@mkdir -p \$(__REAL_INSTALL)/objs/nginx/html
	@cp -f research/index.html \$(__REAL_INSTALL)/objs/nginx/html
	@cp -f research/favicon.ico \$(__REAL_INSTALL)/objs/nginx/html
	@cp -Rf research/players \$(__REAL_INSTALL)/objs/nginx/html/
	@cp -Rf research/console \$(__REAL_INSTALL)/objs/nginx/html/
	@cp -Rf 3rdparty/signaling/www/demos \$(__REAL_INSTALL)/objs/nginx/html/
	@echo "Now copy binary files"
	@mkdir -p \$(__REAL_INSTALL)/objs
	@cp -f objs/srs \$(__REAL_INSTALL)/objs
	@echo "Now copy srs conf files"
	@mkdir -p \$(__REAL_INSTALL)/conf
	@cp -f conf/*.conf \$(__REAL_INSTALL)/conf
	@cp -f conf/server.key conf/server.crt \$(__REAL_INSTALL)/conf
	@echo "Now copy init.d script files"
	@mkdir -p \$(__REAL_INSTALL)/etc/init.d
	@cp -f etc/init.d/srs \$(__REAL_INSTALL)/etc/init.d
	@sed -i "s|^ROOT=.*|ROOT=\"\$(SRS_PREFIX)\"|g" \$(__REAL_INSTALL)/etc/init.d/srs
	@sed -i "s|^CONFIG=.*|CONFIG=\"\$(SRS_DEFAULT_CONFIG)\"|g" \$(__REAL_INSTALL)/etc/init.d/srs
	@echo "Now copy systemctl service files"
	@mkdir -p \$(__REAL_INSTALL)/usr/lib/systemd/system
	@cp -f usr/lib/systemd/system/srs.service \$(__REAL_INSTALL)/usr/lib/systemd/system/srs.service
	@echo ""
	@echo "@see: https://ossrs.net/lts/zh-cn/docs/v4/doc/service"

END

if [[ $SRS_UTEST == YES ]]; then
    cat << END >> ${SRS_MAKEFILE}
utest: server
	@echo "Building the utest for srs"
	${SrsUtestMakeEntry}
	@echo "The utest is built ok."

END
else
    cat << END >> ${SRS_MAKEFILE}
utest: server
	@echo "Ignore utest for it's disabled."

END
fi

cat << END >> ${SRS_MAKEFILE}
# the ./configure will generate it.
_prepare_dir:
	@mkdir -p ${SRS_OBJS}
END

# generate makefile ok, append the tails.
cat ${SRS_MAKEFILE}.bk >> ${SRS_MAKEFILE} &&
rm -f ${SRS_MAKEFILE}.bk

echo 'Configure ok! '

#####################################################################################
# when configure success, prepare build
#####################################################################################
# create objs/logs for ffmpeg to write log.
mkdir -p ${SRS_OBJS}/logs

#####################################################################################
# configure summary
#####################################################################################
# summary
echo ""
echo "Configure summary:"
echo "     ${SRS_AUTO_USER_CONFIGURE}"
echo "     ${SRS_AUTO_CONFIGURE}"
if [[ $SRS_HLS == YES ]]; then
    echo -e "${GREEN}HLS is enabled.${BLACK}"
else
    echo -e "${YELLOW}Warning: HLS is disabled.${BLACK}"
fi
if [[ $SRS_STREAM_CASTER == YES ]]; then
    echo -e "${YELLOW}Experiment: StreamConverter is enabled.${BLACK}"
else
    echo -e "${GREEN}Note: StreamConverter is disabled.${BLACK}"
fi
if [[ $SRS_HDS == YES ]]; then
    echo -e "${YELLOW}Experiment: HDS is enabled.${BLACK}"
else
    echo -e "${GREEN}Warning: HDS is disabled.${BLACK}"
fi
if [[ $SRS_GB28181 == YES ]]; then
    echo -e "${YELLOW}Experiment: GB28181 is enabled. https://github.com/ossrs/srs/issues/3176${BLACK}"
else
    echo -e "${GREEN}Warning: GB28181 is disabled.${BLACK}"
fi
if [[ $SRS_H265 == YES ]]; then
    echo -e "${YELLOW}Experiment: HEVC/H.265 is enabled. https://github.com/ossrs/srs/issues/465${BLACK}"
else
    echo -e "${GREEN}Warning: HEVC/H.265 is disabled.${BLACK}"
fi
if [[ $SRS_SRT == YES ]]; then
    echo -e "${YELLOW}Experiment: SRT is enabled. https://github.com/ossrs/srs/issues/1147${BLACK}"
else
    echo -e "${GREEN}Warning: SRT is disabled.${BLACK}"
fi
if [[ $SRS_RTC == YES ]]; then
    echo -e "${YELLOW}Experiment: RTC is enabled. https://github.com/ossrs/srs/issues/307${BLACK}"
else
    echo -e "${GREEN}Warning: RTC is disabled.${BLACK}"
fi
if [[ $SRS_HTTPS == YES ]]; then
    echo -e "${YELLOW}Experiment: HTTPS is enabled. https://github.com/ossrs/srs/issues/1657${BLACK}"
else
    echo -e "${GREEN}Warning: HTTPS is disabled.${BLACK}"
fi
if [[ $SRS_DVR == YES ]]; then
    echo -e "${GREEN}DVR is enabled.${BLACK}"
else
    echo -e "${YELLOW}Warning: DVR is disabled.${BLACK}"
fi
if [[ $SRS_SSL == YES ]]; then
    echo -e "${GREEN}RTMP complex handshake is enabled${BLACK}"
else
    echo -e "${YELLOW}Warning: RTMP complex handshake is disabled, flash cann't play h264/aac.${BLACK}"
fi
if [[ $SRS_NASM == YES ]]; then
    echo -e "${GREEN}NASM for HTTPS(openssl) and FFmepg is enabled${BLACK}"
else
    echo -e "${YELLOW}Warning: NASM for HTTPS(openssl) and FFmepg is disabled${BLACK}"
fi
if [[ $SRS_SRTP_ASM == YES ]]; then
    echo -e "${GREEN}SRTP-NASM for WebRTC(openssl) is enabled${BLACK}"
else
    echo -e "${YELLOW}Warning: SRTP-NASM for WebRTC(openssl) is disabled${BLACK}"
fi
if [[ $SRS_TRANSCODE == YES ]]; then
    echo -e "${GREEN}The transcoding is enabled${BLACK}"
else
    echo -e "${YELLOW}Warning: The transcoding is disabled.${BLACK}"
fi
if [[ $SRS_INGEST == YES ]]; then
    echo -e "${GREEN}The ingesting is enabled.${BLACK}"
else
    echo -e "${YELLOW}Warning: The ingesting is disabled.${BLACK}"
fi
if [[ $SRS_HTTP_CALLBACK == YES ]]; then
    echo -e "${GREEN}The http-callback is enabled${BLACK}"
else
    echo -e "${YELLOW}Warning: The http-callback is disabled.${BLACK}"
fi
if [[ $SRS_HTTP_SERVER == YES ]]; then
    echo -e "${GREEN}Embeded HTTP server for HTTP-FLV/HLS is enabled.${BLACK}"
else
    echo -e "${YELLOW}Warning: Embeded HTTP server is disabled, HTTP-FLV is disabled, please use nginx to delivery HLS.${BLACK}"
fi
if [[ $SRS_HTTP_API == YES ]]; then
    echo -e "${GREEN}The HTTP API is enabled${BLACK}"
else
    echo -e "${YELLOW}Warning: The HTTP API is disabled.${BLACK}"
fi
if [[ $SRS_UTEST == YES ]]; then
    echo -e "${GREEN}The utests are enabled.${BLACK}"
else
    echo -e "${YELLOW}Note: The utests are disabled.${BLACK}"
fi
if [[ $SRS_GPERF == YES ]]; then
    echo -e "${GREEN}The gperf(tcmalloc) is enabled.${BLACK}"
else
    echo -e "${GREEN}Note: The gperf(tcmalloc) is disabled.${BLACK}"
fi
if [[ $SRS_GPERF_MC == YES ]]; then
    echo -e "${YELLOW}The gmc(gperf memory check) is enabled, performance may suffer.${BLACK}"
else
    echo -e "${GREEN}Note: The gmc(gperf memory check) is disabled.${BLACK}"
fi
if [[ $SRS_GPERF_MD == YES ]]; then
    echo -e "${YELLOW}The gmd(gperf memory defense) is enabled, performance may suffer.${BLACK}"
else
    echo -e "${GREEN}Note: The gmd(gperf memory defense) is disabled.${BLACK}"
fi
if [[ $SRS_GPERF_MP == YES ]]; then
    echo -e "${YELLOW}The gmp(gperf memory profile) is enabled, performance may suffer.${BLACK}"
else
    echo -e "${GREEN}Note: The gmp(gperf memory profile) is disabled.${BLACK}"
fi
if [[ $SRS_GPERF_CP == YES ]]; then
    echo -e "${YELLOW}The gcp(gperf cpu profile) is enabled, performance may suffer.${BLACK}"
else
    echo -e "${GREEN}Note: The gcp(gperf cpu profile) is disabled.${BLACK}"
fi
if [[ $SRS_GPROF == YES ]]; then
    echo -e "${YELLOW}The gprof(GNU profile tool) is enabled, performance may suffer.${BLACK}"
else
    echo -e "${GREEN}Note: The gprof(GNU profile tool) is disabled.${BLACK}"
fi
if [[ $SRS_CROSS_BUILD == YES ]]; then
    echo -e "${YELLOW}The cross-build is enabled.${BLACK}"
else
    echo -e "${GREEN}Note: The cross-build is disabled.${BLACK}"
fi
if [[ $SRS_VALGRIND == YES ]]; then
    echo -e "${GREEN}The valgrind is enabled.${BLACK}"
else
    echo -e "${GREEN}Note: The valgrind is disabled.${BLACK}"
fi
if [[ $SRS_SANITIZER == YES ]]; then
    echo -e "${GREEN}The sanitizer is enabled.${BLACK}"
else
    echo -e "${GREEN}Note: The sanitizer is disabled.${BLACK}"
fi

# add each modules for application
for SRS_MODULE in ${SRS_MODULES[*]}; do
    echo -e "${GREEN}Enable module: $SRS_MODULE${BLACK}"
done

#####################################################################################
# Do cleanup when configure done.
#####################################################################################
if [[ $SRS_CLEAN == YES && -f Makefile ]]; then
    #echo "Do full cleanup, you can disable it by: --clean=off"
    make clean
fi

#####################################################################################
# next step
#####################################################################################
echo ""
echo "You can build SRS:"
echo "\" make \" to build the SRS server"
echo "\" make help \" to get some help"