When I do that, it still seems to use double, is that what "enable_floats" is supposed to do?
Step 2/19 : RUN wget https://github.com/FluidSynth/fluidsynth/archive/v2.0.0.beta1.tar.gz -O fluidsynth.tar.gz ---> Using cache ---> 6d1df039ca5e Step 3/19 : RUN tar xvzf fluidsynth.tar.gz ---> Using cache ---> eb162b053289 Step 4/19 : RUN sudo apt-get update ---> Using cache ---> 5892ae7ddf78 Step 5/19 : RUN sudo apt-get install -y build-essential cmake libasound2-dev libfluidsynth-dev ---> Using cache ---> 2ba470419107 Step 6/19 : RUN cd fluidsynth-2.0.0.beta1 && mkdir build && cd build && cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_FLAGS_RELEASE="-ffast-math -O3" -enable-floats=true .. ---> Running in a4114c37e718 -- The C compiler identification is GNU 4.9.2 -- Check for working C compiler: /usr/bin/cc -- Check for working C compiler: /usr/bin/cc -- works -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Detecting C compile features -- Detecting C compile features - done -- Checking whether system has ANSI C header files -- Looking for 8 include files dlfcn.h, ..., float.h -- Looking for 8 include files dlfcn.h, ..., float.h - found -- Performing Test memchrExists -- Performing Test memchrExists - Success -- Performing Test freeExists -- Performing Test freeExists - Success -- ANSI C header files - found -- Looking for include file unistd.h -- Looking for include file unistd.h - found -- Looking for DIR in sys/stat.h;sys/types.h;dirent.h -- Looking for DIR in sys/stat.h;sys/types.h;dirent.h - found -- Looking for stdio.h -- Looking for stdio.h - found -- Looking for math.h -- Looking for math.h - found -- Looking for errno.h -- Looking for errno.h - found -- Looking for stdarg.h -- Looking for stdarg.h - found -- Looking for memory.h -- Looking for memory.h - found -- Looking for sys/mman.h -- Looking for sys/mman.h - found -- Looking for sys/time.h -- Looking for sys/time.h - found -- Looking for sys/ioctl.h -- Looking for sys/ioctl.h - found -- Looking for fcntl.h -- Looking for fcntl.h - found -- Looking for sys/socket.h -- Looking for sys/socket.h - found -- Looking for netinet/in.h -- Looking for netinet/in.h - found -- Looking for netinet/tcp.h -- Looking for netinet/tcp.h - found -- Looking for arpa/inet.h -- Looking for arpa/inet.h - found -- Looking for limits.h -- Looking for limits.h - found -- Looking for pthread.h -- Looking for pthread.h - found -- Looking for signal.h -- Looking for signal.h - found -- Looking for getopt.h -- Looking for getopt.h - found -- Performing Test _have_inline -- Performing Test _have_inline - Success -- Performing Test _have_vla -- Performing Test _have_vla - Success -- Check if the system is big endian -- Searching 16 bit integer -- Check size of unsigned short -- Check size of unsigned short - done -- Using unsigned short -- Check if the system is big endian - little endian -- Looking for pthread.h -- Looking for pthread.h - found -- Looking for pthread_create -- Looking for pthread_create - not found -- Looking for pthread_create in pthreads -- Looking for pthread_create in pthreads - not found -- Looking for pthread_create in pthread -- Looking for pthread_create in pthread - found -- Found Threads: TRUE -- Looking for inet_ntop -- Looking for inet_ntop - found -- Found PkgConfig: /usr/bin/pkg-config (found version "0.28") -- Checking for modules 'glib-2.0>=2.6.5;gthread-2.0>=2.6.5' -- Found glib-2.0, version 2.42.1 -- Found gthread-2.0, version 2.42.1 -- Checking for module 'sndfile>=1.0.0' -- Found sndfile, version 1.0.25 -- Checking for module 'sndfile>=1.0.18' -- Found sndfile, version 1.0.25 -- Checking for module 'libpulse-simple>=0.9.8' -- Found libpulse-simple, version 5.0 -- Checking for module 'alsa>=0.9.1' -- Found alsa, version 1.0.28 -- Checking for module 'jack' -- Found jack, version 0.124.1 -- Checking for module 'lash-1.0>=0.3' -- -- Checking for module 'dbus-1>=1.0.0' -- Found dbus-1, version 1.8.22 -- Looking for ladspa.h -- Looking for ladspa.h - not found -- Found READLINE: /usr/include -- Found OpenMP -- Could NOT find Doxygen (missing: DOXYGEN_EXECUTABLE) ************************************************************** Summary: Build type: Release libsndfile: yes (with ogg vorbis support) D-Bus: yes PulseAudio: yes JACK: yes ALSA: yes PortAudio: no OSS: yes MidiShare: no CoreAudio: no CoreMIDI: no Windows: no LADSPA support: no LASH support: no OS/2 DART support: no Audio to file driver: yes NETWORK Support : yes IPV6 Support : yes Readline: yes (NOTE: GPL library) Samples type=float: no (using double) Profiling: no OpenMP 4.0: yes Debug: no Trap on FPE (debug): no Check FPE (debug): no **************************************************************
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