then
FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.16],
[AC_MSG_ERROR([Happy version 1.16 or later is required to compile GHC.])])[]
then
FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.16],
[AC_MSG_ERROR([Happy version 1.16 or later is required to compile GHC.])])[]