[lldb-dev] LLDB buildbot state

[Todd Fiala]

We've been using a configure-built libedit from
here<http://thrysoee.dk/editline/>.
 We essentially build that with something like "configure
--prefix=/usr/local/libedit/libedit-20130712-3.1 && make && sudo make
install".

We then run configure something like this:

export LIBEDIT_PATH=/usr/local/libedit/libedit-20130712-3.1
export
LD_LIBRARY_PATH=<some_paths_to_gcc_4.8.2/lib64>:$LIBEDIT_PATH/lib:$LD_LIBRARY_PATH

# assume ../llvm is the source tree: i.e. we're in a build directory that
parallels the source tree
configure ../llvm --enable-cxx11
--with-extra-option=-I$LIBEDIT_PATH/include
--with-extra-ld-options=-L$LIBEDIT_PATH/lib --prefix=<some_install_path>

That's what we're doing now.  We could consider breaking out the libedit
parts to the 2008-libedit spec and adding configure/cmake checks for it.
 That might be a nice smallish project for somebody to knock out.



On Tue, Feb 4, 2014 at 4:21 PM, Adam Strzelecki <ono at java.pl> wrote:

> > I've not been looking at the linux one.  However, I am in the process of
> fixing something in llvm that is broken due to unexpected interactions
> between libedit, libbsd and <bsd/stdlib.h> on Ubuntu (and probably other
> linux variants that might implement libedit in terms of libbsd).
>
> The problem here is that any Ubuntu < 13.10 (which unfortunately includes
> 12.04 LTS we are using) use libedit
> 2.11-20080614 while latest lldb source/Host/common/Editline.cpp relies on
> libedit 3.1 API (available only for 13.10).
>
> I presume that Ubuntu < 13.10 builds should use their own libedit 3.1
> probably linked statically, but I have absolutely no idea how to configure
> that.
>
> Currently my build here fails:
>
> /home/ono/Projects/llvm/tools/lldb/source/Host/common/Editline.cpp:70:27:
> error: use of undeclared identifier 'EL_PROMPT_ESC'
>     ::el_set (m_editline, EL_PROMPT_ESC, GetPromptCallback,
> k_prompt_escape_char);
>                           ^
> /home/ono/Projects/llvm/tools/lldb/source/Host/common/Editline.cpp:265:31:
> error: cannot initialize a parameter of type 'char *' with an rvalue of
> type 'const char *'
>         ::el_push(m_editline, std::string (bytes, len).c_str());
>                               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> /usr/include/histedit.h:95:34: note: passing argument to parameter here
> void             el_push(EditLine *, char *);
>                                            ^
> /home/ono/Projects/llvm/tools/lldb/source/Host/common/Editline.cpp:341:52:
> error: cannot initialize a parameter of type 'char *' with an rvalue of
> type 'const char *'
>                             ::el_push (m_editline,
> lines[line_idx+1].c_str());
>
>  ^~~~~~~~~~~~~~~~~~~~~~~~~
> /usr/include/histedit.h:95:34: note: passing argument to parameter here
> void             el_push(EditLine *, char *);
>                                            ^
> /home/ono/Projects/llvm/tools/lldb/source/Host/common/Editline.cpp:357:52:
> error: cannot initialize a parameter of type 'char *' with an rvalue of
> type 'const char *'
>                             ::el_push (m_editline,
> lines[line_idx-1].c_str());
>
>  ^~~~~~~~~~~~~~~~~~~~~~~~~
> /usr/include/histedit.h:95:34: note: passing argument to parameter here
> void             el_push(EditLine *, char *);
>                                            ^
> /home/ono/Projects/llvm/tools/lldb/source/Host/common/Editline.cpp:367:48:
> error: cannot initialize a parameter of type 'char *' with an rvalue of
> type 'const char *'
>                         ::el_push (m_editline, lines[line_idx+1].c_str());
>                                                ^~~~~~~~~~~~~~~~~~~~~~~~~
> /usr/include/histedit.h:95:34: note: passing argument to parameter here
> void             el_push(EditLine *, char *);
>                                            ^
> 5 errors generated.
>
> Cheers,
> --
> Adam




-- 
Todd Fiala | Software Engineer | tfiala at google.com | 650-943-3180
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