tvheadend master - compiler warnings on FreeBSD, with gcc 4.21

tvheadend-build.sh

tvheadend tvheadend/ root~# make
===>  License GPLv3 accepted by the user
===>  Found saved configuration for tvheadend-3.9.20140727
===>   tvheadend-3.9.20140730 depends on file: /usr/local/sbin/pkg - found
===> Fetching all distfiles required by tvheadend-3.9.20140730 for building
===>  Extracting for tvheadend-3.9.20140730
=> SHA256 Checksum OK for tvheadend-3.9.20140730.tar.gz.
===>  Patching for tvheadend-3.9.20140730
===>   tvheadend-3.9.20140730 depends on executable: bash - found
===>   tvheadend-3.9.20140730 depends on executable: git - found
===>   tvheadend-3.9.20140730 depends on file: /usr/local/include/linux/videodev2.h - found
===>   tvheadend-3.9.20140730 depends on file: /usr/local/bin/python2.7 - found
===>   tvheadend-3.9.20140730 depends on executable: pkgconf - found
===>   tvheadend-3.9.20140730 depends on executable: gmake - found
===>   tvheadend-3.9.20140730 depends on shared library: libexecinfo.so - found (/usr/local/lib/libexecinfo.so.1)
===>   tvheadend-3.9.20140730 depends on shared library: libcurl.so - found (/usr/local/lib/libcurl.so.7)
===>   tvheadend-3.9.20140730 depends on shared library: libavahi-client.so - found (/usr/local/lib/libavahi-client.so.3.2.9)
===>   tvheadend-3.9.20140730 depends on shared library: libdvbcsa.so - found (/usr/local/lib/libdvbcsa.so.1)
===>  Configuring for tvheadend-3.9.20140730
Checking support/features
  checking for cc execinfo.h ...                    ok
  checking for cc -mmmx ...                         ok
  checking for cc -msse2 ...                        ok
  checking for cc getloadavg ...                    ok
  checking for cc atomic64 ...                      ok
  checking for cc lockowner ...                     fail
  checking for cc qsort_r ...                       ok
  checking for cc recvmmsg ...                      fail
  checking for cc libiconv ...                      ok
  checking for py module gzip ...                   ok
  checking for bzip2 ...                            ok
  checking for cc linux/dvb/version.h ...           ok
  checking for pkg liburiparser  ...                fail
  checking for pkg avahi-client  ...                ok
  checking for cc sys/inotify.h ...                 fail
  checking for cc dvbcsa/dvbcsa.h ...               ok
  checking for cc -ldvbcsa ...                      ok
  fetching dvb-scan files ...                       ok

Compiler:
  Using C compiler:                        cc
  Using C flags:                           -O2 -pipe -I/usr/local/include -Wno-conversion -Wno-int-to-pointer-cast -fno-strict-aliasing
  Build for arch:                          amd64

Binaries:
  Using PYTHON:                            /usr/local/bin/python2.7

Options:
  cwc                                      yes
  capmt                                    yes
  v4l                                      no
  linuxdvb                                 yes
  satip_client                             yes
  iptv                                     yes
  tsfile                                   yes
  dvbscan                                  yes
  timeshift                                yes
  trace                                    yes
  imagecache                               yes
  avahi                                    yes
  zlib                                     no
  libav                                    no
  inotify                                  no
  epoll                                    no
  uriparser                                no
  ccache                                   no
  tvhcsa                                   yes
  bundle                                   no
  dvbcsa                                   yes
  kqueue                                   yes
  execinfo                                 yes
  mmx                                      yes
  sse2                                     yes
  getloadavg                               yes
  atomic64                                 yes
  qsort_r                                  yes
  libiconv                                 yes
  py_gzip                                  yes
  bin_bzip2                                yes
  ssl                                      yes
  linuxdvbapi                              yes
  upnp                                     yes
  mpegts                                   yes
  mpegps                                   no
  mpegts_dvb                               yes

Packages:
  avahi-client                             0.6.31

Installation paths:
  Prefix:                                  /usr/local
  Binaries:                                ${prefix}/bin
  Libraries:                               ${prefix}/lib
  Data files:                              ${prefix}/share
  Man pages:                               /usr/local/man

Final Binary:
  /var/ports/root/tvheadend/work/dreamcat4-tvheadend-156b24a/build.freebsd/tvheadend

Tvheadend Data Directory:
  /usr/local/share/tvheadend

===>  Building for tvheadend-3.9.20140730
Receiving data/dvb-scan/dvb-t from http://linuxtv.org/git/dtv-scan-tables.git
CC              src/version.o
CC              src/uuid.o
CC              src/main.o
CC              src/tvhlog.o
CC              src/idnode.o
CC              src/prop.o
CC              src/utils.o
CC              src/wrappers.o
CC              src/access.o
CC              src/dtable.o
CC              src/tcp.o
CC              src/udp.o
CC              src/url.o
CC              src/http.o
CC              src/notify.o
CC              src/file.o
CC              src/epg.o
CC              src/epgdb.o
CC              src/epggrab.o
CC              src/spawn.o
CC              src/packet.o
CC              src/streaming.o
CC              src/channels.o
CC              src/subscriptions.o
CC              src/service.o
src/service.c: In function 'service_build_filter':
src/service.c:408: warning: comparison is always true due to limited range of data type
CC              src/htsp_server.o
CC              src/htsmsg.o
CC              src/htsmsg_binary.o
CC              src/htsmsg_json.o
CC              src/htsmsg_xml.o
CC              src/misc/dbl.o
CC              src/misc/json.o
CC              src/settings.o
CC              src/htsbuf.o
CC              src/trap.o
CC              src/avg.o
CC              src/htsstr.o
CC              src/tvhpoll.o
CC              src/huffman.o
CC              src/filebundle.o
CC              src/config.o
CC              src/lang_codes.o
CC              src/lang_str.o
CC              src/imagecache.o
CC              src/tvhtime.o
CC              src/service_mapper.o
CC              src/input.o
CC              src/httpc.o
CC              src/rtsp.o
CC              src/fsmonitor.o
CC              src/cron.o
CC              src/esfilter.o
CC              src/intlconv.o
src/intlconv.c: In function 'intlconv_utf8':
src/intlconv.c:129: warning: passing argument 2 of 'libiconv' from incompatible pointer type
CC              src/api.o
CC              src/api/api_status.o
CC              src/api/api_idnode.o
CC              src/api/api_input.o
CC              src/api/api_channel.o
CC              src/api/api_service.o
CC              src/api/api_mpegts.o
CC              src/api/api_epg.o
CC              src/api/api_epggrab.o
CC              src/api/api_imagecache.o
CC              src/api/api_esfilter.o
CC              src/api/api_intlconv.o
CC              src/parsers/parsers.o
CC              src/parsers/bitstream.o
CC              src/parsers/parser_h264.o
CC              src/parsers/parser_latm.o
CC              src/parsers/parser_avc.o
CC              src/parsers/parser_teletext.o
CC              src/epggrab/module.o
CC              src/epggrab/channel.o
CC              src/epggrab/module/pyepg.o
CC              src/epggrab/module/xmltv.o
CC              src/plumbing/tsfix.o
CC              src/plumbing/globalheaders.o
CC              src/dvr/dvr_db.o
CC              src/dvr/dvr_rec.o
CC              src/dvr/dvr_autorec.o
CC              src/dvr/dvr_cutpoints.o
CC              src/webui/webui.o
CC              src/webui/comet.o
CC              src/webui/extjs.o
CC              src/webui/simpleui.o
CC              src/webui/statedump.o
CC              src/webui/html.o
CC              src/webui/webui_api.o
CC              src/muxer.o
CC              src/muxer/muxer_pass.o
CC              src/muxer/muxer_tvh.o
CC              src/muxer/tvh/ebml.o
CC              src/muxer/tvh/mkmux.o
CC              src/upnp.o
CC              src/descrambler/descrambler.o
CC              src/input/mpegts.o
CC              src/input/mpegts/mpegts_input.o
CC              src/input/mpegts/mpegts_network.o
CC              src/input/mpegts/mpegts_mux.o
CC              src/input/mpegts/mpegts_service.o
CC              src/input/mpegts/mpegts_table.o
CC              src/input/mpegts/dvb_support.o
CC              src/input/mpegts/dvb_charset.o
CC              src/input/mpegts/dvb_psi.o
CC              src/input/mpegts/tsdemux.o
CC              src/input/mpegts/mpegts_mux_sched.o
CC              src/input/mpegts/mpegts_network_scan.o
CC              src/input/mpegts/mpegts_network_dvb.o
CC              src/input/mpegts/mpegts_mux_dvb.o
CC              src/input/mpegts/scanfile.o
CC              src/epggrab/otamux.o
CC              src/epggrab/module/eit.o
CC              src/epggrab/support/freesat_huffman.o
CC              src/epggrab/module/opentv.o
CC              src/input/mpegts/linuxdvb/linuxdvb.o
CC              src/input/mpegts/linuxdvb/linuxdvb_adapter.o
CC              src/input/mpegts/linuxdvb/linuxdvb_frontend.o
CC              src/input/mpegts/linuxdvb/linuxdvb_satconf.o
CC              src/input/mpegts/linuxdvb/linuxdvb_lnb.o
CC              src/input/mpegts/linuxdvb/linuxdvb_switch.o
CC              src/input/mpegts/linuxdvb/linuxdvb_rotor.o
CC              src/input/mpegts/linuxdvb/linuxdvb_en50494.o
CC              src/input/mpegts/satip/satip.o
CC              src/input/mpegts/satip/satip_frontend.o
CC              src/input/mpegts/satip/satip_satconf.o
CC              src/input/mpegts/satip/satip_rtsp.o
CC              src/input/mpegts/iptv/iptv.o
CC              src/input/mpegts/iptv/iptv_mux.o
CC              src/input/mpegts/iptv/iptv_service.o
CC              src/input/mpegts/iptv/iptv_http.o
CC              src/input/mpegts/iptv/iptv_udp.o
CC              src/input/mpegts/tsfile/tsfile.o
CC              src/input/mpegts/tsfile/tsfile_input.o
CC              src/input/mpegts/tsfile/tsfile_mux.o
CC              src/timeshift.o
CC              src/timeshift/timeshift_filemgr.o
CC              src/timeshift/timeshift_writer.o
CC              src/timeshift/timeshift_reader.o
CC              src/avahi.o
CC              src/descrambler/tvhcsa.o
CC              src/descrambler/cwc.o
CC              src/descrambler/capmt.o
src/descrambler/capmt.c: In function 'capmt_set_filter':
src/descrambler/capmt.c:820: warning: comparison is always false due to limited range of data type
CC              tvheadend
===>  Staging for tvheadend-3.9.20140730
===>   tvheadend-3.9.20140730 depends on file: /usr/local/bin/python2.7 - found
===>   Generating temporary packing list
===> Creating users and/or groups.
CC              tvheadend
install -d /var/ports/root/tvheadend/work/stage/usr/local/bin
install /var/ports/root/tvheadend/work/dreamcat4-tvheadend-156b24a/build.freebsd/tvheadend /var/ports/root/tvheadend/work/stage/usr/local/bin/tvheadend
install -d /var/ports/root/tvheadend/work/stage/usr/local/man/man1
install /var/ports/root/tvheadend/work/dreamcat4-tvheadend-156b24a/man/tvheadend.1 /var/ports/root/tvheadend/work/stage/usr/local/man/man1/tvheadend.1
for bundle in docs/html docs/docresources src/webui/static data/conf data/dvb-scan; do \
	mkdir -p /var/ports/root/tvheadend/work/stage/usr/local/share/tvheadend/$bundle ;\
	cp -LR /var/ports/root/tvheadend/work/dreamcat4-tvheadend-156b24a/$bundle/*  /var/ports/root/tvheadend/work/stage/usr/local/share/tvheadend/$bundle ;\
done
find /var/ports/root/tvheadend/work/stage/usr/local/share/tvheadend -name .git -exec rm -rf {} \; &>/dev/null || /bin/true
====> Compressing man pages (compress-man)
===> Staging rc.d startup script(s)
tvheadend tvheadend/ root~#