Bison is usually not installed on my system due to doing bdep-cleaning depcleans.
checking whether x86_64-pc-linux-gnu-gcc understands -c and -o together... (cached) yes
checking dependency style of x86_64-pc-linux-gnu-gcc... (cached) none
checking for x86_64-pc-linux-gnu-gcc option to accept ISO C99... none needed
checking for x86_64-pc-linux-gnu-gcc option to accept ISO Standard C... (cached) none needed
checking for bison... no
configure: error: You need to install bison
configure:5332: checking for bison
configure:5360: result: no
configure:5370: error: You need to install bison
Manually installing bison is sufficient to make configure pass and compile.