[ruby-core:62264] [ruby-trunk - Bug #9578] ‘Function’ undeclared in readline.c

Issue #9578 has been updated by Usaku NAKAMURA.

Backport changed from 1.9.3: REQUIRED, 2.0.0: REQUIRED, 2.1: DONE to 1.9.3: REQUIRED, 2.0.0: DONE, 2.1: DONE

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Bug #9578: ‘Function’ undeclared in readline.c
https://bugs.ruby-lang.org/issues/9578#change-46426

* Author: Dmitry Medvinsky
* Status: Closed
* Priority: Normal
* Assignee: Nobuyoshi Nakada
* 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: DONE, 2.1: DONE
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When compiling Ruby 2.1.1, I get the following error

~~~
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
~~~

Readline version:

~~~C
/* 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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