AC_SUBST(GhcPatchLevel)dnl
GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
- if test $GhcCanonVersion -ge 601; then ghc_ge_601=YES; else ghc_ge_601=NO; fi
- if test $GhcCanonVersion -ge 602; then ghc_ge_602=YES; else ghc_ge_602=NO; fi
- if test $GhcCanonVersion -ge 603; then ghc_ge_603=YES; else ghc_ge_603=NO; fi
if test $GhcCanonVersion -ge 605; then ghc_ge_605=YES; else ghc_ge_605=NO; fi
if test $GhcCanonVersion -ge 607; then ghc_ge_607=YES; else ghc_ge_607=NO; fi
- AC_SUBST(ghc_ge_601)dnl
- AC_SUBST(ghc_ge_602)dnl
- AC_SUBST(ghc_ge_603)dnl
AC_SUBST(ghc_ge_605)dnl
AC_SUBST(ghc_ge_607)dnl
fi
fi;
dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
-if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/compiler"; then
-AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
+if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
+ if test "$WithGhc" = ""; then
+ AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
+ fi
+ FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.4],
+ [AC_MSG_ERROR([GHC version 6.4 or later is required to compile GHC.])])dnl
fi;
# This uses GHC, so put it after the "GHC is required" check above: