# Set the C and LD flags for a given platform
AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS],
[
+ AC_MSG_CHECKING([Setting up $2, $3 and $4])
case $$1 in
i386-apple-darwin)
# By default, gcc on OS X will generate SSE
# back to generic i686 compatibility. Trac #2983.
$2="$$2 -march=i686 -m32"
$3="$$3 -march=i686 -m32"
+ $4="$$4 -march=i686 -m32"
;;
x86_64-apple-darwin)
$2="$$2 -m64"
$3="$$3 -m64"
+ $4="$$4 -m64"
+ ;;
+ esac
+
+ case $$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"
+ $4="$$4 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
;;
esac
$2="$$2 -fno-stack-protector"
fi
rm -f conftest.c conftest.o
+ AC_MSG_RESULT([done])
])