[BRLTTY] brltty build failure

[William Hubbs]

All,

another issue was reported to me regarding the brltty package on gentoo.

This has to do with the a2 screen driver, dbus and the build system.

If you try to disable the a2 screen driver on a system that does not
have dbus installed, the configure script fails. I am attaching a log to
show that failure.

The only fix I know of is to require dbus to be installed when building
brltty, even though brltty may not use dbus.

Is there any way that the build system could be adjusted so that this
isn't required?

Thanks,

William

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./configure --prefix=/usr --build=i686-pc-linux-gnu --host=i686-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --prefix=/ --includedir=/usr/include --localstatedir=/var --disable-stripping --with-install-root=/var/tmp/portage/app-accessibility/brltty-4.2/image/ --with-screen-driver=-a2 --enable-api --enable-beeper-support --enable-contracted-braille --enable-fm-support --enable-gpm --enable-iconv --disable-icu --disable-java-bindings --enable-learn-mode --enable-midi-support --enable-i18n --enable-caml-bindings --enable-pcm-support --enable-python-bindings --enable-speech-support --disable-tcl-bindings --disable-x --without-bluetooth-package --with-usb-package
revision: build revision not known
checking build system type... i686-pc-linux-gnu
checking host system type... i686-pc-linux-gnu
checking target system type... i686-pc-linux-gnu
checking whether make sets $(MAKE)... yes
checking for i686-pc-linux-gnu-gcc... i686-pc-linux-gnu-gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether i686-pc-linux-gnu-gcc accepts -g... yes
checking for i686-pc-linux-gnu-gcc option to accept ISO C89... none needed
checking for library containing __cxa_pure_virtual... -lsupc++
checking if the C compiler can compile C++... yes
checking whether we are using the GNU C++ compiler... yes
checking whether i686-pc-linux-gnu-gcc -Wall accepts -g... yes
checking for ld... ld
checking for i686-pc-linux-gnu-ranlib... i686-pc-linux-gnu-ranlib
checking for gawk... gawk
checking whether ln -s works... yes
checking for linkage editor program creation flags... -export-dynamic
checking for static linkage flag... -static
checking for a BSD-compatible install... /usr/bin/install -c
checking for doxygen... no
checking for make relocatable object command... $(LD) -r -o
checking for loadable module creation command... $(CC) -shared -Wl,-O1 -Wl,--as-needed -Wl,-export-dynamic  -o
checking for dynamic library creation command... $(CC) -shared -Wl,-O1 -Wl,--as-needed -Wl,-export-dynamic -Wl,-soname,<name> -o
checking for configure shared object directory command... /sbin/ldconfig -n
checking for library containing socket... none required
checking for library containing inet_ntoa... none required
checking how to run the C preprocessor... i686-pc-linux-gnu-gcc -Wall -E
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
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checking for unistd.h... yes
checking libintl.h usability... yes
checking libintl.h presence... yes
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checking for main in -lintl... no
checking for wcslen... yes
checking wchar.h usability... yes
checking wchar.h presence... yes
checking for wchar.h... yes
checking iconv.h usability... yes
checking iconv.h presence... yes
checking for iconv.h... yes
checking for main in -liconv... no
checking if pthreads are available... checking pthread.h usability... yes
checking pthread.h presence... yes
checking for pthread.h... yes
checking for library containing pthread_create... -lpthread
yes
checking for ocamlc... ocamlc
checking for ocamlmklib... ocamlmklib
configure: OCaml version is 3.11.2
configure: OCaml library path is /usr/lib/ocaml
checking for ocamlopt... ocamlopt
checking ocamlopt version... ok
checking for ocamlc.opt... ocamlc.opt
checking ocamlc.opt version... ok
checking for ocamlopt.opt... ocamlopt.opt
checking ocamlc.opt version... ok
checking platform... Unix
checking for ocamlfind... ocamlfind
checking for python... /usr/bin/python
checking for pyrexc... /usr/bin/pyrexc
checking which curses package to use... checking ncursesw/ncurses.h usability... yes
checking ncursesw/ncurses.h presence... yes
checking for ncursesw/ncurses.h... yes
checking for main in -lncursesw... yes
ncursesw
checking alloca.h usability... yes
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checking getopt.h usability... yes
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checking syslog.h usability... yes
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checking sys/modem.h usability... no
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checking machine/speaker.h usability... no
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checking linux/vt.h usability... yes
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checking sys/mnttab.h usability... no
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checking for gai_strerror... yes
checking for getaddrinfo... yes
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checking size of key_t... 4
checking whether byte ordering is bigendian... no
checking for an ANSI C-conforming const... yes
checking for inline... inline
checking if the compiler understands the __alignof__ operator... yes
checking if the compiler understands __attribute__((format(__printf__)))... yes
checking if the compiler understands __attribute__((packed))... yes
checking if the compiler understands __attribute__((unused))... yes
checking for system-dependent compilation flags... -D_POSIX_C_SOURCE=2 -D_BSD_SOURCE -D_XOPEN_SOURCE=500 -D_XOPEN_SOURCE_EXTENDED -D_GNU_SOURCE
checking for c compiler shared object flags... -fPIC
checking for c++ compiler shared object flags... -fPIC
checking for static archive extension... a
checking for shared object run-time search path environment variable... LD_LIBRARY_PATH
checking alsa/asoundlib.h usability... yes
checking alsa/asoundlib.h presence... yes
checking for alsa/asoundlib.h... yes
checking linux/soundcard.h usability... yes
checking linux/soundcard.h presence... yes
checking for linux/soundcard.h... yes
checking for Gpm_Open in -lgpm... yes
checking for library containing dlopen... -ldl
configure: WARNING: Libbraille package not found: /usr /usr/local /usr/local/Libbraille /usr/local/libbraille /opt/Libbraille /opt/libbraille
checking for device directory... /dev
checking for first serial device... ttyS0
configure: WARNING: Mikropuhe package not found: /usr /usr/local /usr/local/Mikropuhe /usr/local/mikropuhe /opt/Mikropuhe /opt/mikropuhe
configure: WARNING: Swift package not found: /usr /usr/local /usr/local/Swift /usr/local/swift /opt/Swift /opt/swift
configure: WARNING: Theta package not found: /usr /usr/local /usr/local/Theta /usr/local/theta /opt/Theta /opt/theta
configure: WARNING: ViaVoice package not found: /usr /usr/local /usr/local/ViaVoice /usr/local/viavoice /opt/ViaVoice /opt/viavoice
configure: error: unknown screen driver: a2
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