From the Terminal, you can do that by running this: echo 'set startup-with-shell off' >> ~/.gdbinit. Now you can use gdb for debugging files on your Mac. For example if you have updated to Snow Leopard, then the XCode 3.1 does NOT be able to install the “Unix Development Support”, so to fix this problem download the XCode 3.2 or other newer version that supports your Mac OS X version.
ICS 46: GDB Installation on Mac OS X GDB Installation on Mac OS X If you work on a Mac OS X 10.9 Mavericks or later, you will run into the problem of Eclipse refusing to interactively debug problems that otherwise build and run fine: An attempt to start a debugging session by selecting Run Debug from the menu will result in Eclipse complaining that an Error with command: gdb --version has occurred. The problem is caused by Apple switching away from GDB, the GNU debugger, to LLDB, the LLVM debugger, in their Xcode toolchain (along with the transition from GCC to Clang). Unfortunately, Eclipse is not capable of communicating with any debugger other than GDB (yet). Here is a step-by-step guide for installing and configuring GDB. Installing GDB As with GCC, the easiest way to install GDB is through Homebrew.
In a Terminal window, run the command brew install gdb, and wait for it to complete. (As usual, it may ask for your password.) Now, we need to code-sign the GDB executable, so it will be allowed to control other processes, as necessary for a debugger. For that, we will first create a new certificate in Keychain. Creating a Certificate Open the Keychain Access application (can be found in Applications/Utilities directory or through Spotlight).
Select Certificate Assistant Create a Certificate in the application menu ( Keychain Access). An assistant window will appear for guiding you through the process. • First, you will be asked for the name and type of the certificate.
You may choose the name arbitrarily, but to simplify its future use in command line, prefer names without spaces or other fancy characters, e.g., gdbcert. • Make sure that Identity Type is set to Self Signed Root, change Certificate Type to Code Signing, check the Let me override defaults checkbox, and click Continue. Click Continue again in the popup prompt warning about the certificate being self-signed. • On the next page, leave Security Number to be 1, and set Validity Period to a large enough number of days to cover the duration of the class or more, say, 365. (Certificates cannot last forever; the maximum validity period is 20 years.) • Then click Continue once again, and keep doing so to skip the next six screens until you see the one entitled Specify a Location For The Certificate.
For the only property, Keychain, choose System from the drop-down list. Lastly, click Create, type in your password, if prompted, and click Done. • Back in the main window, choose the System keychain in the sidebar on the left, and select the newly created certificate from the list. Open the context menu and select Get Info. In the information window that will appear, expand the Trust section and set the Code Signing property to Always Trust. Ibooks for mac. Close this window (you may be asked for your password), and quit Keychain Access.
Signing GDB Our new certificate is now ready to be used. In order to make it immediately available for signing, we need to restart the Taskgate access-control service. You can use Activity Monitor to do this (also found in Applications/Utilities). Open it and filter the list of processes by typing taskgated in the search field in the toolbar. (If you cannot find it, make sure the menu item View All Processes is checked.) There should be exactly one process left in the list. Highlight it, then select View Quit Process from the menu, and click Quit in the popup prompt. The Taskgate process will be terminated and, consequently, should disappear from the list.
In a few seconds, it will be restarted by the system and should reappear in the list. Please wait for this to happen (it may take up to a minute or two, at worst). Finally, in a Terminal window, run codesign -s gdbcert /usr/local/bin/gdb (if you named your certificate differently, replace gdbcert with its name here). Once again, you will be prompted for you username and password.
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If the command does not produce any output, then GDB is successfully signed. Configuring Eclipse The only thing left to do is to point Eclipse to the GDB executable. Open Eclipse Preferences from the main menu (not to be confused with Project Preferences). In the tree of options listed in the sidebar, navigate to C/C++ Debug GDB, and set the GDB debugger field to /usr/local/bin/gdb. If there is no GDB section in the C/C++ Debug subtree, close the preferences window, and try to first start a debugging session for any project that you can already run without problems.