From: ruby-core@...
Date: 2014-03-02T01:52:15+00:00
Subject: [ruby-core:61209] [ruby-trunk - Bug #9578] [Open] ‘Function’ undeclared in readline.c

Issue #9578 has been updated by Marc-Andre Lafortune.

Status changed from Closed to Open

Now I can't build trunk:

    ext/readline/readline.c: In function ���Init_readline���:
    ext/readline/readline.c:1977: error: ���rl_hook_func_t��� undeclared (first use in this function)
    ext/readline/readline.c:1977: error: (Each undeclared identifier is reported only once
    ext/readline/readline.c:1977: error: for each function it appears in.)
    ext/readline/readline.c:1977: error: expected expression before ���)��� token



----------------------------------------
Bug #9578: ���Function��� undeclared in readline.c
https://bugs.ruby-lang.org/issues/9578#change-45562

* Author: Dmitry Medvinsky
* Status: Open
* Priority: Normal
* Assignee: 
* Category: ext
* Target version: 
* ruby -v: 2.0.0p353 (2013-11-22 revision 43784) [x86_64-linux]
* Backport: 1.9.3: REQUIRED, 2.0.0: REQUIRED, 2.1: REQUIRED
----------------------------------------
When compiling Ruby 2.1.1, I get the following error

<pre>
make[2]: Entering directory '/tmp/ruby-build.20140228114849.30108/ruby-2.1.1/ext/readline'
compiling readline.c
readline.c: In function ���Init_readline���:
readline.c:1977:26: error: ���Function��� undeclared (first use in this function)
     rl_pre_input_hook = (Function *)readline_pre_input_hook;
                          ^
readline.c:1977:26: note: each undeclared identifier is reported only once for each function it appears in
readline.c:1977:36: error: expected expression before ���)��� token
     rl_pre_input_hook = (Function *)readline_pre_input_hook;
                                    ^
readline.c: At top level:
readline.c:634:1: warning: ���readline_pre_input_hook��� defined but not used [-Wunused-function]
 readline_pre_input_hook(void)
 ^
Makefile:228: recipe for target 'readline.o' failed
make[2]: *** [readline.o] Error 1
make[2]: Leaving directory '/tmp/ruby-build.20140228114849.30108/ruby-2.1.1/ext/readline'
exts.mk:198: recipe for target 'ext/readline/all' failed
make[1]: *** [ext/readline/all] Error 2
</pre>

Readline version:

    /* Hex-encoded Readline version number. */
    #define RL_READLINE_VERSION     0x0603          /* Readline 6.3 */
    #define RL_VERSION_MAJOR        6
    #define RL_VERSION_MINOR        3
    
    ...
    
    extern rl_hook_func_t *rl_pre_input_hook;

OS version:

    Linux 3.13.5-1-ARCH #1 SMP PREEMPT Sun Feb 23 00:25:24 CET 2014 x86_64 GNU/Linux

I can provide full `configure` and `make` logs, if required.



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