Error when compiling gdb on Mac OSX

Question

I am attempting to compile GDB 7.4 (the version that is on the gdb website) under Mac OSX and I receive the following error:

mach-o.c: In function 'bfd_mach_o_header_p': mach-o.c.2978: warning: 'header.reserved' may be used uninitialized in this function

While trying to figure out the cause of this problem I came across the following article:

http://www.puredarwin.org/blockers

which claims that the cause of this problem is that the normal version of gdb doesn't work on the Darwin OS (when I do ./configure the "system type" comes up as i386-apple-darwin9.8.0). Is this corret, and if so, where do I get the "Apple version" which does work on Mac OSX?

Employed Russian · Accepted Answer · 2012-01-24 21:48:09Z

1

GDB developers certainly try to make FSF version of GDB work on Mac OSX.

But since none of them actively use Mac OSX, breakage creeps in.

You should report the build problem here.

Also, adding -Wno-error to your CFLAGS should get you past that first hurdle (though there could be many more ahead).

answered Jan 24, 2012 at 21:48

Employed Russian

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synthesizerpatel · Accepted Answer · 2012-01-24 13:42:19Z

0

Apple puts a lot of custom junk in gdb (or did, they're probably not going to spend a lot of time on it, instead focusing on lldb). So out-of-the-box gdb doesn't work on osx.

You can grab their junky old version of gdb from http://opensource.apple.com/

answered Jan 24, 2012 at 13:42

synthesizerpatel

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4 Comments

ipatch Over a year ago

bah, who wants the old junky version?

synthesizerpatel Over a year ago

someone who wants to debug stuff on osx?

ipatch Over a year ago

i got gdb 7.5.1 to compile using homebrew under ML but was running into the code sign error 0x5 problem, so I ended up running gdb 7.5.1 with sudo :-/ ...not the best solution

synthesizerpatel Over a year ago

gdb is kinda 'old style' from what I gather. You should now look for lldb from the llvm package. Which should be more closely related to the shipped XCode debugger since Apple has been directing a lot of effort to the llvm project and contributing. YMMV though, haven't tried it myself. But, lldm is the 'new hotness'.

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