Subject Re: [firebird-support] Building Firebird 1.5.1 with MinGW
Author Daniel Urban
> ...
> conflicts: 4 shift/reduce
> c:\minsys\mingw\bin\bison.exe: _spawnvp: No such file or directory
> make[3]: *** [../src/dsql/parse.cpp] Error 1
> make[2]: *** [libfbstatic] Error 2
> make[1]: *** [../gen/firebird/bin/gpre_static.exe] Error 2
> make: *** [firebird] Error 2
>

Have you installed bison?