ghc-7.4.1 on dragonflybsd failed.

gistfile1.txt

"inplace/bin/ghc-stage1" -optc-Wall -optc-Wextra -optc-Wstrict-prototypes -optc-Wmissing-prototypes -optc-Wmissing-declarations -optc-Winline -optc-Waggregate-return -optc-Wpointer-arith -optc-Wmissing-noreturn -optc-Wnested-externs -optc-Wredundant-decls -optc-Iincludes -optc-Irts -optc-Irts/dist/build -optc-DCOMPILING_RTS -optc-fno-strict-aliasing -optc-fno-common -optc-fomit-frame-pointer -optc-DRtsWay=\"rts_v\"   -H32m -O -Iincludes -Irts -Irts/dist/build -DCOMPILING_RTS -package-name rts  -dcmm-lint      -i -irts -irts/dist/build -irts/dist/build/autogen -Irts/dist/build -Irts/dist/build/autogen            -optc-O2   -c rts/posix/TTY.c -o rts/dist/build/posix/TTY.o
rts/posix/Signals.c: In function 'stg_sig_install':

rts/posix/Signals.c:365:0:
     error: 'SA_RESETHAND' undeclared (first use in this function)

rts/posix/Signals.c:365:0:
     error: (Each undeclared identifier is reported only once

rts/posix/Signals.c:365:0:
     error: for each function it appears in.)

rts/posix/Signals.c:368:0:
     error: 'struct sigaction' has no member named 'sa_sigaction'

rts/posix/Signals.c:369:0:
     error: 'SA_SIGINFO' undeclared (first use in this function)
rts/posix/Signals.c: In function 'initDefaultHandlers':

rts/posix/Signals.c:609:0:
     warning: implicit declaration of function 'siginterrupt'

rts/posix/Signals.c:609:0:
     warning: nested extern declaration of 'siginterrupt'
gmake[1]: *** [rts/dist/build/posix/Signals.o] Error 1
gmake[1]: *** Waiting for unfinished jobs....
gmake: *** [all] Error 2