Bug#905481: mediastreamer2: FTBFS with GCC-8

[Andreas Beckmann]

Source: mediastreamer2
Version: 1:2.16.1-2
Severity: serious
Justification: fails to build from source

Hi,

mediastreamer2 FTBFS since GCC-8 became the default compiler:

[ 38%] Building C object src/CMakeFiles/mediastreamer_voip-static.dir/voip/audiostream.c.o
cd /build/mediastreamer2-2.16.1/obj-x86_64-linux-gnu/src && /usr/bin/cc -DBCTBX_STATIC -DBZRTP_STATIC -DHAVE_CONFIG_H -DMS2_EXPORTS -DMS2_FILTERS -DMS2_INTERNAL -DMS2_STATIC -DORTP_STATIC -DVIDEO_ENABLED -D_TRUE_TIME -I/build/mediastreamer2-2.16.1/include -I/build/mediastreamer2-2.16.1/src/audiofilters -I/build/mediastreamer2-2.16.1/src/utils -I/build/mediastreamer2-2.16.1/src/voip -I/build/mediastreamer2-2.16.1/obj-x86_64-linux-gnu -I/build/mediastreamer2-2.16.1/obj-x86_64-linux-gnu/src -I/usr/include/libxml2 -I/usr/include/x86_64-linux-gnu  -g -O2 -fdebug-prefix-map=/build/mediastreamer2-2.16.1=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2    -Wall -Wuninitialized -Wno-format-truncation -Werror -Wextra -Wno-unused-parameter -fno-strict-aliasing -Wno-missing-field-initializers -Wdeclaration-after-statement -Wstrict-prototypes -Wno-error=strict-prototypes -o CMakeFiles/mediastreamer_voip-static.dir/voip/audiostream.c.o   -c /build/mediastreamer2-2.16.1/src/voip/audiostream.c
/build/mediastreamer2-2.16.1/src/voip/audiostream.c: In function 'audio_stream_start_from_io':
/build/mediastreamer2-2.16.1/src/voip/audiostream.c:816:52: error: cast between incompatible function types from 'void (*)(RtpSession *, uint32_t,  void *)' {aka 'void (*)(struct _RtpSession *, unsigned int,  void *)'} to 'void (*)(struct _RtpSession *, void *, void *, void *)' [-Werror=cast-function-type]
  rtp_session_signal_connect(rtps,"telephone-event",(RtpCallback)on_dtmf_received,stream);
                                                    ^
/build/mediastreamer2-2.16.1/src/voip/audiostream.c:817:57: error: cast between incompatible function types from 'bool_t (*)(RtpSession *, void *)' {aka 'unsigned char (*)(struct _RtpSession *, void *)'} to 'void (*)(struct _RtpSession *, void *, void *, void *)' [-Werror=cast-function-type]
  rtp_session_signal_connect(rtps,"payload_type_changed",(RtpCallback)audio_stream_payload_type_changed,stream);
                                                         ^
/build/mediastreamer2-2.16.1/src/voip/audiostream.c: In function 'audio_stream_stop':
/build/mediastreamer2-2.16.1/src/voip/audiostream.c:1783:94: error: cast between incompatible function types from 'void (*)(RtpSession *, uint32_t,  void *)' {aka 'void (*)(struct _RtpSession *, unsigned int,  void *)'} to 'void (*)(struct _RtpSession *, void *, void *, void *)' [-Werror=cast-function-type]
  rtp_session_signal_disconnect_by_callback(stream->ms.sessions.rtp_session,"telephone-event",(RtpCallback)on_dtmf_received);
                                                                                              ^
/build/mediastreamer2-2.16.1/src/voip/audiostream.c:1784:99: error: cast between incompatible function types from 'bool_t (*)(RtpSession *, void *)' {aka 'unsigned char (*)(struct _RtpSession *, void *)'} to 'void (*)(struct _RtpSession *, void *, void *, void *)' [-Werror=cast-function-type]
  rtp_session_signal_disconnect_by_callback(stream->ms.sessions.rtp_session,"payload_type_changed",(RtpCallback)audio_stream_payload_type_changed);
                                                                                                   ^

This seems to be caused by compiling with error and the new compiler
series emitting more diagnostics.


Andreas
-------------- next part --------------
A non-text attachment was scrubbed...
Name: mediastreamer2_1%2.16.1-2.log.gz
Type: application/gzip
Size: 25204 bytes
Desc: not available
URL: <http://alioth-lists.debian.net/pipermail/pkg-voip-maintainers/attachments/20180805/20dd2e08/attachment-0001.gz>