1>  g++ -DWN -g -ffunction-sections -O0  -c  -Wall -fmessage-length=0 -Wl,--no-undefined -Wl,--gc-sections -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z -Werror=return-type -g vidstream.cpp -o vidstream.o
1>  g++ -DWN -g -ffunction-sections -O0  -c  -Wall -fmessage-length=0 -Wl,--no-undefined -Wl,--gc-sections -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z -Werror=return-type -g VideoStreamer.cpp -o VideoStreamer.o
1>  g++ -g -o ../vidstream vidstream.o VideoStreamer.o  -lc -l:libswscale.a -l:libavformat.a -l:libavcodec.a -l:libavutil.a -lstdc++
1>  /usr/lib/gcc/i686-linux-gnu/4.9/../../../i386-linux-gnu/libavformat.a(http.o): In function `http_read_header':
1>  (.text+0xac1): undefined reference to `inflateEnd'

// ...

1>  /usr/lib/gcc/i686-linux-gnu/4.9/../../../i386-linux-gnu/libavcodec.a(libgsmdec.o): In function `libgsm_flush':
1>  (.text+0x28): undefined reference to `gsm_create'
1>  /usr/lib/gcc/i686-linux-gnu/4.9/../../../i386-linux-gnu/libavcodec.a(libgsmdec.o): In function `libgsm_flush':
1>  (.text+0x5c): undefined reference to `gsm_option'
1>  /usr/lib/gcc/i686-linux-gnu/4.9/../../../i386-linux-gnu/libavcodec.a(libgsmdec.o): In function `libgsm_decode_frame':
1>  (.text+0x103): undefined reference to `gsm_decode'

//...


// make file snippet
CXX = g++
CC = gcc
LinkOptions = -lc -l:libswscale.a -l:libavformat.a -l:libavcodec.a -l:libavutil.a -lstdc++

$(TARGET): $(OBJECTS)
	$(CXX) $(DEBUGGINGFLAG) -o $(TARGET) $(OBJECTS) $(LinkOptions)

%.o: %.c
	$(CC) $(CCFLAGS) $(DEBUGGINGFLAG) $< -o $@

%.o: %.cpp
	$(CXX) $(CXXFLAGS) $(DEBUGGINGFLAG) $< -o $@