X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=aclocal.m4;h=4701bc93541992a5e2dc3cddfe99d0c991a0515a;hb=c0eb9d997653da4357873829990cc338475bca39;hp=1ca1ec6869b042ca16a76ba6150a782836187dbb;hpb=b56d78783390e922c4bc8106f04729de01749e01;p=ghc-hetmet.git

diff --git a/aclocal.m4 b/aclocal.m4
index 1ca1ec6..4701bc9 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -9,6 +9,7 @@
 # Set the C and LD flags for a given platform
 AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS],
 [
+    AC_MSG_CHECKING([Setting up $2 and $3])
     case $$1 in
     i386-apple-darwin)
         # By default, gcc on OS X will generate SSE
@@ -24,6 +25,14 @@ AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS],
         ;;
     esac
 
+    case $$1 in
+    i386-apple-darwin|x86_64-apple-darwin)
+        # We support back to OS X 10.5
+        $2="$$2 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
+        $3="$$3 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
+        ;;
+    esac
+
     # If gcc knows about the stack protector, turn it off.
     # Otherwise the stack-smash handler gets triggered.
     echo 'int main(void) {return 0;}' > conftest.c
@@ -32,6 +41,7 @@ AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS],
         $2="$$2 -fno-stack-protector"
     fi
     rm -f conftest.c conftest.o
+    AC_MSG_RESULT([done])
 ])