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This patch contains several fixes for ndk-gdb:

- Allow it to run properly on Darwin, where 'mktemp' will return an
  error if used without parameters. Note that 'mktemp -t <pattern>'
  does not work the same on Linux and Darwin, so use an invocation
  that is supported by all host platforms (Cygwin included).

- Ensure that ANDROID_NDK_ROOT is defined as an absolute path,
  to avoid problems when the script is invoked as in:

      cd $NDKROOT
      ./ndk-gdb --project=/path/to/project/

- The _adb_var_shell redirection was buggy and created files named
  "&1" and "&2" in the current directory for no good reason.

Fix for bug 4156117

Change-Id: I8dbd29bd33db808289755055a6ff5c9ccd181bfc

This allows ndk-gdb to properly detects when some adb shell commands fail.
This prevents certain errors from incorrectly propagating to later parts
of the script.

See http://code.google.com/p/android/issues/detail?id=14002 for context.

Change-Id: I49e22e397bad5d39a9f002aa41f029d798038254

This also simplifies the gdb client invokation by putting
the "file" command inside the gdb.setup file, instead of
using the command-line.

Change-Id: Iaa31dd2afaada8552db0b72baca91ecd16d6ff95

Fix ndk-gdb to _not_ start the activity unless --start or --launch is used.

Add a new option --delay=<seconds> to change the wait delay between the
launch of an activity and its attachement with gdbserver. The default delay
is also changed from 1 to 2 seconds.

Document the system libraries update.

Change-Id: Ia7e8c47221e3741bdc2688e750dae366c5426e67

"ndk-build NDK_DEBUG=1" will force the build of a debuggable application.
This really copies gdbserver to the proper location, as if android:debuggable
was set to "true" in the app's manifest.

The value of NDK_DEBUG can be 0, 1, true or false, and will override the content
of the manifest. The main benefit from this change is that you don't have to
edit your manifest file just to rebuilt

Change-Id: I3fafb620189ac53a72b492c963832dd0c7f8b7d7

Change-Id: Ia7e750f9042d4ed93f6cb8193dfc5d4f67857c17

"gensub()" is a GNUAwk-ism that should not be used.

Change-Id: I2df89efc165c84034594b98327921f9461188a76

Change-Id: I2472ac149e6b6a435a864e7a10109306322b512c

Change-Id: If72f42324848823a01cffcad56c304b5c7e46d7d

Move all awk scripts to build/awk/ and rework them a bit

Add build/awk/xmlparser.awk to parse XML files into something that
is easier to process with awk. Its output is used by several
scripts now (extract-debuggable.awk, extract-package-name.awk and
the new extract-launchable.awk).

Also update documentation.

Change-Id: I50507abbb2b438aeea25a4e0521e6bf69ad86603

This is a helper script used to launch a native debugging session.
To use it, follow these steps:

1. Make your application debuggable
2. Build the machine code with 'ndk-build'  (make APP=<name> is not supported)
3. Build the package with ant or the ADT Eclipse plugin
4. Install it on your device/emulator
5. Launch it
6. Run 'ndk-gdb' from your application project directory.

Change-Id: Ie3b0557e70cefa0080075a34ad0ca46bebef3c42
NOTE: To work properly, a modified gdbserver binary must be used
      (one that binds to Unix sockets instead of TCP ones). Patch
      upcoming.