X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=configure.ac;h=cab4f1902a83c47cd2601b8ac56256abd16aa3a0;hb=15575cf8f17fee0fdd3151c5dbb0a0f89b01c708;hp=66ed8a0b86449d2ef54be52e5cad67019531c791;hpb=fc3ed3199e11aa4b9434e52436d98083ddac0cd0;p=ghc-hetmet.git

diff --git a/configure.ac b/configure.ac
index 66ed8a0..cab4f19 100644
--- a/configure.ac
+++ b/configure.ac
@@ -637,8 +637,6 @@ AC_ARG_WITH([ghc],
   WithGhc="$GHC"])
 AC_SUBST([WithGhc])
 
-FP_FIND_ROOT
-
 AC_ARG_WITH(hc,
 [AC_HELP_STRING([--with-hc=ARG],
         [Use ARG as the path to the compiler for compiling ordinary
@@ -656,14 +654,8 @@ if test "$WithGhc" != ""; then
   AC_SUBST(GhcPatchLevel)dnl
   GhcMinVersion2=`echo "$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
@@ -754,10 +746,17 @@ 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:
+FP_FIND_ROOT
+
 dnl ** Enable the construction of Win32 DLLs?
 dnl --------------------------------------------------------------
 dnl
@@ -820,6 +819,23 @@ AC_ARG_ENABLE(dotnet,
 )
 AC_SUBST(DotnetSupport)
 
+dnl ** Mac OS X: explicit deployment target
+dnl --------------------------------------------------------------
+AC_ARG_WITH([macos-deployment-target],
+[AC_HELP_STRING([--macos-deployment-target=VERSION],
+        [Build for Mac OS VERSION and higher  [default= version of build host]])],
+[MACOS_DEPLOYMENT_TARGET="$withval"
+ if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
+   # ignore everywhere, but on Mac OS
+   AC_MSG_WARN([--macos-deployment-target is only available on Mac OS X])
+   MACOS_DEPLOYMENT_TARGET=none
+ fi],
+[MACOS_DEPLOYMENT_TARGET=none]
+)
+FP_MACOS_DEPLOYMENT_TARGET
+AC_SUBST(MACOS_DEPLOYMENT_VERSION)
+AC_SUBST(MACOS_DEPLOYMENT_SDK)
+
 dnl --------------------------------------------------------------
 dnl End of configure script option section
 dnl --------------------------------------------------------------