[PATCH 3/5] libcc1: set debug compile: Display GCC driver filename

[Jeff Law]

On 04/21/2015 03:41 PM, Jan Kratochvil wrote:
> Hi,
>
> as discussed in
> 	How to use compile & execute function in GDB
> 	https://sourceware.org/ml/gdb/2015-04/msg00026.html
>
> GDB currently searches for /usr/bin/ARCH-OS-gcc and chooses one but it does not
> display which one.  It cannot, GCC method set_arguments() does not yet know
> whether 'set debug compile' is enabled or not.
>
> Unfortunately this changes libcc1 API in an incompatible way.  There is
> a possibility of a hack to keep the API the same - one could pass "-v" option
> explicitly to set_arguments(), set_arguments() could compare the "-v" string
> and print the GCC filename accordingly.  Then the 'verbose' parameter of
> compile() would lose its meaning.  What do you think?
I think we're early enough in the evolution of libcc1 that changing the 
ABI shouldn't be a big deal.  I'd expect gcc & gdb to need to move in 
lock-step for this stuff for a while.

>
> GDB counterpart:
> 	[PATCH 3/4] compile: set debug compile: Display GCC driver filename
> 	https://sourceware.org/ml/gdb-patches/2015-04/msg00807.html
> 	Message-ID: <20150421213649.14147.79719.stgit@host1.jankratochvil.net>
>
>
> Jan
>
>
> include/ChangeLog
> 2015-04-21  Jan Kratochvil  <jan.kratochvil@redhat.com>
>
> 	* gcc-interface.h (enum gcc_base_api_version): Add comment to
> 	GCC_FE_VERSION_1.
> 	(struct gcc_base_vtable): Move parameter verbose from compile to
> 	set_arguments.
>
> libcc1/ChangeLog
> 2015-04-21  Jan Kratochvil  <jan.kratochvil@redhat.com>
>
> 	* libcc1.cc: Include intl.h.
> 	(struct libcc1): Add field verbose.
> 	(libcc1::libcc1): Initialize it.
> 	(libcc1_set_arguments): Add parameter verbose, implement it.
> 	(libcc1_compile): Remove parameter verbose, use self's field instead.
OK.  Please install on the trunk.

jeff