Just tried that. Left the "build" folder as-is, ran "uninstall," then emptied "build" (well, renamed it for backup and created a new "build") and ran cmake again. Same result.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
build $ sudo make uninstall
[sudo] password for daniel:
-- Uninstalling "/usr/local/lib64/pkgconfig/fluidsynth.pc"
-- Uninstalling "/usr/local/bin/fluidsynth"
-- Uninstalling "/usr/local/lib64/libfluidsynth.so.2.3.2"
-- Uninstalling "/usr/local/lib64/libfluidsynth.so.2"
-- File "/usr/local/lib64/libfluidsynth.so.2" does not exist.
-- Uninstalling "/usr/local/lib64/libfluidsynth.so"
-- File "/usr/local/lib64/libfluidsynth.so" does not exist.
-- Uninstalling "/usr/local/include/fluidsynth/audio.h"
-- Uninstalling "/usr/local/include/fluidsynth/event.h"
-- Uninstalling "/usr/local/include/fluidsynth/gen.h"
-- Uninstalling "/usr/local/include/fluidsynth/ladspa.h"
-- Uninstalling "/usr/local/include/fluidsynth/log.h"
-- Uninstalling "/usr/local/include/fluidsynth/midi.h"
-- Uninstalling "/usr/local/include/fluidsynth/misc.h"
-- Uninstalling "/usr/local/include/fluidsynth/mod.h"
-- Uninstalling "/usr/local/include/fluidsynth/seq.h"
-- Uninstalling "/usr/local/include/fluidsynth/seqbind.h"
-- Uninstalling "/usr/local/include/fluidsynth/settings.h"
-- Uninstalling "/usr/local/include/fluidsynth/sfont.h"
-- Uninstalling "/usr/local/include/fluidsynth/shell.h"
-- Uninstalling "/usr/local/include/fluidsynth/synth.h"
-- Uninstalling "/usr/local/include/fluidsynth/types.h"
-- Uninstalling "/usr/local/include/fluidsynth/voice.h"
-- Uninstalling "/usr/local/include/fluidsynth/version.h"
-- Uninstalling "/usr/local/include/fluidsynth.h"
-- Uninstalling "/usr/local/share/man/man1/fluidsynth.1"
Built target uninstall
build $
build $
build $
build $ cd ..
fluidsynth $ mv build build_20200419-BACKUP
fluidsynth $ mkdir build
fluidsynth $ cd build
build $ cmake -DLIB_SUFFIX="" ..
-- The C compiler identification is GNU 6.3.0
-- 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 sys/mman.h
-- Looking for sys/mman.h - found
-- Looking for sys/time.h
-- Looking for sys/time.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
-- Searching 16 bit integer - Using unsigned short
-- Check if the system is big endian - little endian
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Failed
-- 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 "0.29")
-- Checking for modules 'glib-2.0>=2.6.5;gthread-2.0>=2.6.5'
-- Found glib-2.0, version 2.50.3
-- Found gthread-2.0, version 2.50.3
-- Checking for module 'sndfile>=1.0.0'
-- Found sndfile, version 1.0.27
-- Checking for module 'sndfile>=1.0.18'
-- Found sndfile, version 1.0.27
-- Checking for module 'libpulse-simple>=0.9.8'
-- Found libpulse-simple, version 10.0
-- Checking for module 'alsa>=0.9.1'
-- Found alsa, version 1.1.3
-- Checking for module 'jack'
-- Found jack, version 0.125.0rc1
-- Checking for module 'lash-1.0>=0.3'
-- No package 'lash-1.0' found
-- Checking for module 'libsystemd'
-- No package 'libsystemd' found
-- Checking for module 'dbus-1>=1.0.0'
-- Found dbus-1, version 1.10.28
-- Looking for ladspa.h
-- Looking for ladspa.h - found
-- Checking for module 'gmodule-2.0>=2.6.5'
-- Found gmodule-2.0, version 2.50.3
-- Checking for module 'libinstpatch-1.0>=1.1.0'
-- No package 'libinstpatch-1.0' found
-- Checking for module 'sdl2'
-- No package 'sdl2' found
-- Checking for module 'readline'
-- No package 'readline' found
-- Could NOT find READLINE (missing: READLINE_INCLUDE_DIR READLINE_LIBRARIES)
-- Found OpenMP 201511
-- Looking for sinf
-- Looking for sinf - not found
-- Looking for cosf
-- Looking for cosf - not found
-- Looking for fabsf
-- Looking for fabsf - not found
-- Looking for powf
-- Looking for powf - not found
-- Looking for sqrtf
-- Looking for sqrtf - not found
-- Looking for logf
-- Looking for logf - not found
-- Could NOT find Doxygen (missing: DOXYGEN_EXECUTABLE)
--
**************************************************************
Build Summary:
Build type: RelWithDebInfo
Install Prefix: /usr/local
Audio / MIDI driver support:
ALSA: yes
CoreAudio: no
CoreMIDI: no
DSound: no
JACK: yes
MidiShare: no
Oboe: no
OpenSLES: no
OS/2 DART: no
OSS: yes
PortAudio: no
PulseAudio: yes
SDL2: no
WaveOut: no
WinMidi: no
Support for SF3 files: yes
Support for DLS files: no (libinstpatch not found)
Audio to file rendering: yes
libsndfile: yes
Miscellaneous support:
D-Bus: yes
LADSPA support: yes
LASH support: no
NETWORK Support: yes
IPV6 Support: yes
Readline: no
systemd: no
Developer nerds info:
Samples type: double
Multithread rendering: yes
OpenMP 4.0: yes
Profiling: no
Debug Build: no
Trap on FPE (debug): no
Check FPE (debug): no
UBSan (debug): no
**************************************************************
-- Configuring done
-- Generating done
-- Build files have been written to: /home/daniel/fluidsynth/build
build $ sudo make install
Scanning dependencies of target gentables
[ 1%] Creating directories for 'gentables'
[ 3%] No download step for 'gentables'
[ 5%] No patch step for 'gentables'
[ 7%] No update step for 'gentables'
[ 9%] Performing configure step for 'gentables'
-- The C compiler identification is GNU 6.3.0
-- 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
-- Configuring done
-- Generating done
-- Build files have been written to: /home/daniel/fluidsynth/build/src/gentables
[ 11%] Performing build step for 'gentables'
Scanning dependencies of target make_tables
[ 25%] Building C object CMakeFiles/make_tables.dir/make_tables.c.o
[ 50%] Building C object CMakeFiles/make_tables.dir/gen_conv.c.o
[ 75%] Building C object CMakeFiles/make_tables.dir/gen_rvoice_dsp.c.o
[100%] Linking C executable make_tables.exe
[100%] Built target make_tables
[ 13%] Performing install step for 'gentables'
[ 15%] Completed 'gentables'
[ 15%] Built target gentables
Scanning dependencies of target libfluidsynth-OBJ
[ 16%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/drivers/fluid_alsa.c.o
[ 18%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/drivers/fluid_aufile.c.o
[ 20%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/bindings/fluid_rtkit.c.o
[ 22%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/drivers/fluid_jack.c.o
/home/daniel/fluidsynth/src/drivers/fluid_jack.c: In function ‘fluid_jack_client_register_ports’:
/home/daniel/fluidsynth/src/drivers/fluid_jack.c:504:13: warning: ‘fluid_synth_set_sample_rate’ is deprecated [-Wdeprecated-declarations]
fluid_synth_set_sample_rate(synth, jack_srate);
^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /home/daniel/fluidsynth/build/include/fluidsynth.h:97:0,
from /home/daniel/fluidsynth/src/utils/fluidsynth_priv.h:49,
from /home/daniel/fluidsynth/src/utils/fluid_sys.h:42,
from /home/daniel/fluidsynth/src/synth/fluid_synth.h:31,
from /home/daniel/fluidsynth/src/drivers/fluid_jack.c:31:
/home/daniel/fluidsynth/include/fluidsynth/synth.h:179:38: note: declared here
FLUID_DEPRECATED FLUIDSYNTH_API void fluid_synth_set_sample_rate(fluid_synth_t *synth, float sample_rate);
^~~~~~~~~~~~~~~~~~~~~~~~~~~
[ 24%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/drivers/fluid_oss.c.o
[ 26%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/drivers/fluid_pulse.c.o
[ 28%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/utils/fluid_conv.c.o
[ 30%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/utils/fluid_hash.c.o
[ 32%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/utils/fluid_list.c.o
[ 33%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/utils/fluid_ringbuffer.c.o
[ 35%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/utils/fluid_settings.c.o
[ 37%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/utils/fluid_sys.c.o
[ 39%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/sfloader/fluid_defsfont.c.o
[ 41%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/sfloader/fluid_sfont.c.o
[ 43%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/sfloader/fluid_sffile.c.o
[ 45%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/sfloader/fluid_samplecache.c.o
[ 47%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/rvoice/fluid_adsr_env.c.o
[ 49%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/rvoice/fluid_chorus.c.o
[ 50%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/rvoice/fluid_iir_filter.c.o
[ 52%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/rvoice/fluid_lfo.c.o
[ 54%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/rvoice/fluid_rvoice.c.o
[ 56%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/rvoice/fluid_rvoice_dsp.c.o
[ 58%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/rvoice/fluid_rvoice_event.c.o
[ 60%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/rvoice/fluid_rvoice_mixer.c.o
[ 62%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/rvoice/fluid_rev.c.o
[ 64%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/synth/fluid_chan.c.o
[ 66%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/synth/fluid_event.c.o
[ 67%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/synth/fluid_gen.c.o
[ 69%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/synth/fluid_mod.c.o
[ 71%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/synth/fluid_synth.c.o
[ 73%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/synth/fluid_synth_monopoly.c.o
[ 75%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/synth/fluid_tuning.c.o
[ 77%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/synth/fluid_voice.c.o
[ 79%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/midi/fluid_midi.c.o
[ 81%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/midi/fluid_midi_router.c.o
[ 83%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/midi/fluid_seqbind.c.o
[ 84%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/midi/fluid_seq.c.o
[ 86%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/drivers/fluid_adriver.c.o
[ 88%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/drivers/fluid_mdriver.c.o
[ 90%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/bindings/fluid_cmd.c.o
[ 92%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/bindings/fluid_filerenderer.c.o
[ 94%] Building C object src/CMakeFiles/libfluidsynth-OBJ.dir/bindings/fluid_ladspa.c.o
[ 94%] Built target libfluidsynth-OBJ
Scanning dependencies of target libfluidsynth
[ 96%] Linking C shared library libfluidsynth.so
[ 96%] Built target libfluidsynth
Scanning dependencies of target fluidsynth
[ 98%] Building C object src/CMakeFiles/fluidsynth.dir/fluidsynth.c.o
[100%] Linking C executable fluidsynth
[100%] Built target fluidsynth
Install the project...
-- Install configuration: "RelWithDebInfo"
-- Installing: /usr/local/lib/pkgconfig/fluidsynth.pc
-- Installing: /usr/local/bin/fluidsynth
-- Set runtime path of "/usr/local/bin/fluidsynth" to ""
-- Installing: /usr/local/lib/libfluidsynth.so.2.3.2
-- Installing: /usr/local/lib/libfluidsynth.so.2
-- Installing: /usr/local/lib/libfluidsynth.so
-- Installing: /usr/local/include/fluidsynth/audio.h
-- Installing: /usr/local/include/fluidsynth/event.h
-- Installing: /usr/local/include/fluidsynth/gen.h
-- Installing: /usr/local/include/fluidsynth/ladspa.h
-- Installing: /usr/local/include/fluidsynth/log.h
-- Installing: /usr/local/include/fluidsynth/midi.h
-- Installing: /usr/local/include/fluidsynth/misc.h
-- Installing: /usr/local/include/fluidsynth/mod.h
-- Installing: /usr/local/include/fluidsynth/seq.h
-- Installing: /usr/local/include/fluidsynth/seqbind.h
-- Installing: /usr/local/include/fluidsynth/settings.h
-- Installing: /usr/local/include/fluidsynth/sfont.h
-- Installing: /usr/local/include/fluidsynth/shell.h
-- Installing: /usr/local/include/fluidsynth/synth.h
-- Installing: /usr/local/include/fluidsynth/types.h
-- Installing: /usr/local/include/fluidsynth/voice.h
-- Installing: /usr/local/include/fluidsynth/version.h
-- Installing: /usr/local/include/fluidsynth.h
-- Installing: /usr/local/share/man/man1/fluidsynth.1
build $
~ $ fluidsynth --version
fluidsynth: error while loading shared libraries: libfluidsynth.so.2: cannot open shared object file: No such file or directory
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~