ghc_ge_504 = $(shell if (test $(GhcCanonVersion) -ge 504); then echo YES; else echo NO; fi)
ghc_ge_601 = $(shell if (test $(GhcCanonVersion) -ge 601); then echo YES; else echo NO; fi)
ghc_ge_603 = $(shell if (test $(GhcCanonVersion) -ge 603); then echo YES; else echo NO; fi)
endif
ghc_ge_504 = $(shell if (test $(GhcCanonVersion) -ge 504); then echo YES; else echo NO; fi)
ghc_ge_601 = $(shell if (test $(GhcCanonVersion) -ge 601); then echo YES; else echo NO; fi)
ghc_ge_603 = $(shell if (test $(GhcCanonVersion) -ge 603); then echo YES; else echo NO; fi)
endif