Linux: Building with GCC 10 fails with 'multiple definition of' linking errors

[nomadbyte]

Building with GCC 10 fails with linking errors:

bristol.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: multiple definition of `blo'
arpdco.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: first defined here
dco.o:/home/testuser/bristol-develop/bristol/dco.c:42: multiple definition of `note_diff'
arpdco.o:/home/testuser/bristol-develop/bristol/arpdco.c:42: first defined here
dco.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: multiple definition of `blo'
arpdco.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: first defined here
expdco.o:/home/testuser/bristol-develop/bristol/expdco.c:43: multiple definition of `note_diff'
arpdco.o:/home/testuser/bristol-develop/bristol/arpdco.c:42: first defined here
expdco.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: multiple definition of `blo'
arpdco.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: first defined here
filter2.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: multiple definition of `blo'
arpdco.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: first defined here
filter.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: multiple definition of `blo'
arpdco.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: first defined here
filter.o:/home/testuser/bristol-develop/bristol/filter.c:148: multiple definition of `pidsr'
filter2.o:/home/testuser/bristol-develop/bristol/filter2.c:150: first defined here
hammond.o:/home/testuser/bristol-develop/bristol/hammond.c:48: multiple definition of `note_diff'
arpdco.o:/home/testuser/bristol-develop/bristol/arpdco.c:42: first defined here
junodco.o:/home/testuser/bristol-develop/bristol/junodco.c:42: multiple definition of `note_diff'
arpdco.o:/home/testuser/bristol-develop/bristol/arpdco.c:42: first defined here
junodco.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: multiple definition of `blo'
arpdco.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: first defined here
lfo.o:/home/testuser/bristol-develop/bristol/lfo.c:41: multiple definition of `note_diff'
arpdco.o:/home/testuser/bristol-develop/bristol/arpdco.c:42: first defined here
prophetdco.o:/home/testuser/bristol-develop/bristol/prophetdco.c:50: multiple definition of `note_diff'
arpdco.o:/home/testuser/bristol-develop/bristol/arpdco.c:42: first defined here
prophetdco.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: multiple definition of `blo'
arpdco.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: first defined here
sdco.o:/home/testuser/bristol-develop/bristol/sdco.c:44: multiple definition of `note_diff'
arpdco.o:/home/testuser/bristol-develop/bristol/arpdco.c:42: first defined here
vox.o:/home/testuser/bristol-develop/bristol/vox.c:62: multiple definition of `wave1'
hammond.o:/home/testuser/bristol-develop/bristol/hammond.c:73: first defined here
vox.o:/home/testuser/bristol-develop/bristol/vox.c:63: multiple definition of `wave2'
hammond.o:/home/testuser/bristol-develop/bristol/hammond.c:74: first defined here
vox.o:/home/testuser/bristol-develop/bristol/vox.c:43: multiple definition of `note_diff'
arpdco.o:/home/testuser/bristol-develop/bristol/arpdco.c:42: first defined here
vox.o:/home/testuser/bristol-develop/bristol/vox.c:44: multiple definition of `samplecount'
hammond.o:/home/testuser/bristol-develop/bristol/hammond.c:49: first defined here
vox.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: multiple definition of `blo'
arpdco.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: first defined here
granulardco.o:/home/testuser/bristol-develop/bristol/granulardco.c:42: multiple definition of `samplerate'
midihandlers.o:/home/testuser/bristol-develop/bristol/midihandlers.c:636: first defined here
granulardco.o:/home/testuser/bristol-develop/bristol/granulardco.c:41: multiple definition of `note_diff'
arpdco.o:/home/testuser/bristol-develop/bristol/arpdco.c:42: first defined here
bit1osc.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: multiple definition of `blo'
arpdco.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: first defined here
bit1osc.o:/home/testuser/bristol-develop/bristol/bit1osc.c:50: multiple definition of `samplecount'
hammond.o:/home/testuser/bristol-develop/bristol/hammond.c:49: first defined here
cs80osc.o:/home/testuser/bristol-develop/bristol/cs80osc.c:44: multiple definition of `note_diff'
arpdco.o:/home/testuser/bristol-develop/bristol/arpdco.c:42: first defined here
cs80osc.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: multiple definition of `blo'
arpdco.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: first defined here
cs80osc.o:/home/testuser/bristol-develop/bristol/cs80osc.c:45: multiple definition of `samplecount'
hammond.o:/home/testuser/bristol-develop/bristol/hammond.c:49: first defined here
blo.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: multiple definition of `blo'
arpdco.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: first defined here
trilogyosc.o:/home/testuser/bristol-develop/bristol/trilogyosc.c:43: multiple definition of `note_diff'
arpdco.o:/home/testuser/bristol-develop/bristol/arpdco.c:42: first defined here
trilogyosc.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: multiple definition of `blo'
arpdco.o:/home/testuser/bristol-develop/bristol/./../include/bristol/bristolblo.h:50: first defined here
trilogyosc.o:/home/testuser/bristol-develop/bristol/trilogyosc.c:44: multiple definition of `samplecount'
hammond.o:/home/testuser/bristol-develop/bristol/hammond.c:49: first defined here

[nomadbyte]

GCC 10 defaults to -fno-common.

[nomadbyte]

Fixed in 3015be7, 38dce65, dd84b47, 01ca4d1, 1e9cd65, 4a34c5a, e4e2e66, 3d9a322