Run GDB testsuite

1. Install dejagnu from dports
   cd /usr/dports/misc/dejagnu && make install or pkg add dejagnu
2. build gdb
   cd /usr/dports/devel/gdb && make
3. cd /usr/obj/dports/devel/gdb/work/gdb-7.6/
4. gmake check
5. Wait a long time :)
6. The logs are available at:

gdb/testsuite/gdb.threads/gdb.log
gdb/testsuite/gdb.opencl/gdb.log
gdb/testsuite/gdb.arch/gdb.log
gdb/testsuite/gdb.linespec/gdb.log
gdb/testsuite/gdb.java/gdb.log
gdb/testsuite/gdb.asm/gdb.log
gdb/testsuite/gdb.btrace/gdb.log
gdb/testsuite/gdb.ada/gdb.log
gdb/testsuite/gdb.log
gdb/testsuite/gdb.gdb/gdb.log
gdb/testsuite/gdb.pascal/gdb.log
gdb/testsuite/gdb.base2/gdb.log
gdb/testsuite/gdb.python/gdb.log
gdb/testsuite/gdb.mi/gdb.log
gdb/testsuite/gdb.reverse/gdb.log
gdb/testsuite/gdb.disasm/gdb.log
gdb/testsuite/gdb.trace/gdb.log
gdb/testsuite/gdb.xml/gdb.log
gdb/testsuite/gdb.go/gdb.log
gdb/testsuite/gdb.base1/gdb.log
gdb/testsuite/gdb.objc/gdb.log
gdb/testsuite/gdb.opt/gdb.log
gdb/testsuite/gdb.multi/gdb.log
gdb/testsuite/gdb.dwarf2/gdb.log
gdb/testsuite/gdb.modula2/gdb.log
gdb/testsuite/gdb.cell/gdb.log
gdb/testsuite/gdb.stabs/gdb.log
gdb/testsuite/gdb.server/gdb.log
gdb/testsuite/gdb.cp/gdb.log
gdb/testsuite/gdb.fortran/gdb.log

and

gdb/testsuite/gdb.threads/gdb.sum
gdb/testsuite/gdb.opencl/gdb.sum
gdb/testsuite/gdb.arch/gdb.sum
gdb/testsuite/gdb.linespec/gdb.sum
gdb/testsuite/gdb.java/gdb.sum
gdb/testsuite/gdb.asm/gdb.sum
gdb/testsuite/gdb.btrace/gdb.sum
gdb/testsuite/gdb.ada/gdb.sum
gdb/testsuite/gdb.gdb/gdb.sum
gdb/testsuite/gdb.pascal/gdb.sum
gdb/testsuite/gdb.base2/gdb.sum
gdb/testsuite/gdb.python/gdb.sum
gdb/testsuite/gdb.mi/gdb.sum
gdb/testsuite/gdb.reverse/gdb.sum
gdb/testsuite/gdb.disasm/gdb.sum
gdb/testsuite/gdb.trace/gdb.sum
gdb/testsuite/gdb.xml/gdb.sum
gdb/testsuite/gdb.go/gdb.sum
gdb/testsuite/gdb.base1/gdb.sum
gdb/testsuite/gdb.objc/gdb.sum
gdb/testsuite/gdb.opt/gdb.sum
gdb/testsuite/gdb.multi/gdb.sum
gdb/testsuite/gdb.dwarf2/gdb.sum
gdb/testsuite/gdb.sum
gdb/testsuite/gdb.modula2/gdb.sum
gdb/testsuite/gdb.cell/gdb.sum
gdb/testsuite/gdb.stabs/gdb.sum
gdb/testsuite/gdb.server/gdb.sum
gdb/testsuite/gdb.cp/gdb.sum
gdb/testsuite/gdb.fortran/gdb.sum