I have downloaded guacamole-server-1.5.0.tar.gz and when I try to build it on
Rocky Linux 9 I get an error when it is compiling guacenc-video.o - please see
below.
Results of ./configure
------------------------------------------------
guacamole-server version 1.5.0
------------------------------------------------
Library status:
freerdp2 ............ yes
pango ............... yes
libavcodec .......... yes
libavformat.......... yes
libavutil ........... yes
libssh2 ............. yes
libssl .............. yes
libswscale .......... yes
libtelnet ........... yes
libVNCServer ........ yes
libvorbis ........... yes
libpulse ............ yes
libwebsockets ....... yes
libwebp ............. yes
wsock32 ............. no
Protocol support:
Kubernetes .... yes
RDP ........... yes
SSH ........... yes
Telnet ........ yes
VNC ........... yes
Services / tools:
guacd ...... yes
guacenc .... yes
guaclog .... yes
FreeRDP plugins: /usr/lib64/freerdp2
Init scripts: no
Systemd units: no
Type "make" to compile guacamole-server.
Make fails when it is building guacenc
Making all in src/guacenc
make[2]: Entering directory '/tmp/guacamole-server-1.5.0/src/guacenc'
CC guacenc-buffer.o
CC guacenc-cursor.o
CC guacenc-display.o
CC guacenc-display-buffers.o
CC guacenc-display-image-streams.o
CC guacenc-display-flatten.o
CC guacenc-display-layers.o
CC guacenc-display-sync.o
CC guacenc-encode.o
CC guacenc-ffmpeg-compat.o
CC guacenc-guacenc.o
CC guacenc-image-stream.o
CC guacenc-instructions.o
CC guacenc-instruction-blob.o
CC guacenc-instruction-cfill.o
CC guacenc-instruction-copy.o
CC guacenc-instruction-cursor.o
CC guacenc-instruction-dispose.o
CC guacenc-instruction-end.o
CC guacenc-instruction-img.o
CC guacenc-instruction-mouse.o
CC guacenc-instruction-move.o
CC guacenc-instruction-rect.o
CC guacenc-instruction-shade.o
CC guacenc-instruction-size.o
CC guacenc-instruction-sync.o
CC guacenc-instruction-transfer.o
CC guacenc-jpeg.o
CC guacenc-layer.o
CC guacenc-log.o
CC guacenc-parse.o
CC guacenc-png.o
CC guacenc-video.o
video.c: In function ‘guacenc_video_alloc’:
video.c:63:22: error: assignment discards ‘const’ qualifier from pointer target
type [-Werror=discarded-qualifiers]
63 | container_format = container_format_context->oformat;
| ^
video.c:66:22: error: initialization discards ‘const’ qualifier from pointer
target type [-Werror=discarded-qualifiers]
66 | AVCodec* codec = avcodec_find_encoder_by_name(codec_name);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
make[2]: *** [Makefile:1126: guacenc-video.o] Error 1
make[2]: Leaving directory '/tmp/guacamole-server-1.5.0/src/guacenc'
make[1]: *** [Makefile:544: all-recursive] Error 1
make[1]: Leaving directory '/tmp/guacamole-server-1.5.0'
make: *** [Makefile:464: all] Error 2
The only way to get the make to complete is to re-run the configure passing it
an argument to ignore warnings
./configure CFLAGS=-w
and then run make again. However, I am concerned that this is potentially just
masking a problem.
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