‘rl_readline_state_t’ undeclared

Hi Bruno,

You introduced rl_readline_state_t in the following commit:

changeset:   15750:06790b3788cf
user:        Bruno Haible <[email protected]>
date:        Sun Feb 26 12:07:24 2017 +0100
files:       modules/readline/config.h.in modules/readline/configure 
modules/readline/configure.in modules/readline/readline.lisp src/configure
description:
readline: Update binding to avoid build failure with GNU readline 7.0.

I'm now getting errors like the following for several of the modules I 
build:

gcc 
-I/home/kbrown/src/cygclisp/clisp-2.49-1.20170303hg15769.i686/src/clisp/src 
-I/home/kbrown/src/cygclisp/clisp-2.49-1.20170303hg15769.i686/build/gllib 
-I/home/kbrown/src/cygclisp/clisp-2.49-1.20170303hg15769.i686/src/clisp/src/gllib 
-I/home/kbrown/src/cygclisp/clisp-2.49-1.20170303hg15769.i686/build/gllib 
-I/home/kbrown/src/cygclisp/clisp-2.49-1.20170303hg15769.i686/src/clisp/src/gllib 
  -ggdb -O2 -pipe -Wimplicit-function-declaration -W -Wswitch -Wcomment 
-Wpointer-arith -Wreturn-type -Wmissing-declarations -Wimplicit 
-Wno-sign-compare -Wno-format-nonliteral -O2 -fexpensive-optimizations 
-fno-strict-aliasing -DENABLE_UNICODE -DDYNAMIC_FFI -DDYNAMIC_MODULES 
-DDLL_EXPORT -DPIC 
-I/home/kbrown/src/cygclisp/clisp-2.49-1.20170303hg15769.i686/build/linkkit 
-c libsvm.c
libsvm.c:18:6: warning: no previous declaration for ‘svm_destroy_model’ 
[-Wmissing-declarations]
  void svm_destroy_model (struct svm_model *model){ 
svm_free_and_destroy_model(&model); }
       ^
libsvm.c: In function ‘module__libsvm__init_function_1’:
libsvm.c:44:57: error: ‘rl_readline_state_t’ undeclared (first use in 
this function)
 
register_foreign_inttype("rl_readline_state_t",sizeof(rl_readline_state_t),(rl_readline_state_t)-1<=(rl_readline_state_t)0);


This is on Cygwin.  I don't currently have access to a Linux system on 
which I can build clisp, so I don't know if the problem is Cygwin-specific.

My knowledge of how modules work is very limited, but shouldn't the 
typedef of rl_readline_state_t have been propagated to some header used 
in building other modules that rely on readline?

Ken

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