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compiling external programs 64 bit OS X [message #63225]

Thu, 30 October 2008 10:25

richardjcool@gmail.co is currently offline

richardjcool@gmail.co
Messages: 2
Registered: October 2008

Junior Member

I have done some searching and didn't see anything obvious, so please
forgive if I missed something previously posted. I recently upgraded
to idl 7.0.4 with Leopard on my mac and I'd like to take advantage of
the 64 bit capabilites. The problem I am having is that any compiled
external programs that I call using CALL_EXTERNAL crash with a bus
error or seg fault. Specifically, I am compiling the IDLUTILS
package software using the following cc and gcc flags:

cc -c -arch x86_64 -m64 -O2 -DCHECK_LEAKS
gcc -arch x86_64 -m64 -dynamiclib -undefined dynamic_lookup -
single_module

If I drop the arch x86_64 and -m64 flags to compile at 32bit and then
using idl in 32 mode, things work, so this is what I have been using
as a temporary workaround.

I'd love any insight anyone has.

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compiling external programs 64 bit OS X

By: richardjcool@gmail.co on Thu, 30 October 2008 10:25

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