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readline.h has build issues with clang if -Wstrict-prototypes is enabled. Detect this and also detect whether the known workaround works. Fix suggested by Timur I. Bakeyev <timur@freebsd.org> cf. https://lists.gnu.org/archive/html/bug-readline/2014-04/msg00018.html cf. https://lists.samba.org/archive/samba-technical/2017-November/123923.html Signed-off-by: Uri Simchoni <uri@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
86 lines
2.7 KiB
Python
86 lines
2.7 KiB
Python
#!/usr/bin/env python
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conf.CHECK_HEADERS('readline.h history.h readline/readline.h readline/history.h')
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for termlib in ['ncurses', 'curses', 'termcap', 'terminfo', 'termlib', 'tinfo']:
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if conf.CHECK_FUNCS_IN('tgetent', termlib):
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conf.env['READLINE_TERMLIB'] = termlib
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break
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#
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# Check if we need to work around readline/readline.h
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# deprecated declarations
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#
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if conf.CONFIG_SET('HAVE_READLINE_READLINE_H'):
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if not conf.CHECK_CODE('''
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#include <readline/readline.h>
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int main() {return 0;}
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''',
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define='HAVE_WORKING_READLINE_READLINE_WITH_STRICT_PROTO',
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cflags=conf.env['WERROR_CFLAGS'] +
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['-Wstrict-prototypes',
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'-Werror=strict-prototypes'],
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msg='for compiling <readline/readline.h> with strict prototypes',
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addmain=False):
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conf.CHECK_CODE('''
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#define _FUNCTION_DEF
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#include <readline/readline.h>
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int main() {return 0;}
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''',
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cflags=conf.env['WERROR_CFLAGS'] +
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['-Wstrict-prototypes',
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'-Werror=strict-prototypes'],
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msg='for workaround to <readline/readline.h> strict prototypes issue',
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define='HAVE_READLINE_READLINE_WORKAROUND',
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addmain=False)
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conf.CHECK_CODE('''
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#ifdef HAVE_READLINE_READLINE_H
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# ifdef HAVE_READLINE_READLINE_WORKAROUND
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# define _FUNCTION_DEF
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# endif
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# include <readline/readline.h>
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# ifdef HAVE_READLINE_HISTORY_H
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# include <readline/history.h>
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# endif
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#else
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# ifdef HAVE_READLINE_H
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# include <readline.h>
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# ifdef HAVE_HISTORY_H
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# include <history.h>
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# endif
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# endif
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#endif
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int main(void) {rl_completion_t f; return 0;}
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''',
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'HAVE_RL_COMPLETION_FUNC_T', execute=False, addmain=False,
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msg='Checking for rl_completion_t')
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conf.CHECK_CODE('''
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#ifdef HAVE_READLINE_READLINE_H
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# ifdef HAVE_READLINE_READLINE_WORKAROUND
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# define _FUNCTION_DEF
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# endif
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# include <readline/readline.h>
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# ifdef HAVE_READLINE_HISTORY_H
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# include <readline/history.h>
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# endif
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#else
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# ifdef HAVE_READLINE_H
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# include <readline.h>
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# ifdef HAVE_HISTORY_H
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# include <history.h>
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# endif
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# endif
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#endif
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int main(void) {CPPFunction f; return 0;}
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''',
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'HAVE_CPPFUNCTION', execute=False, addmain=False,
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msg='Checking for CPPFunction')
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if conf.CHECK_FUNCS_IN('rl_completion_matches', 'readline'):
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conf.DEFINE('HAVE_NEW_LIBREADLINE', 1)
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if conf.CHECK_FUNCS_IN('history_list', 'readline'):
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conf.DEFINE('HAVE_HISTORY_LIST', 1)
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