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Replace obsolete autoconf macros with their modern replacements.

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AC_TRY_COMPILE(...) -> AC_COMPILE_IFELSE([AC_LANG_PROGRAM(...)])
AC_TRY_LINK(...) -> AC_LINK_IFELSE([AC_LANG_PROGRAM(...)])
AC_TRY_RUN(...) -> AC_RUN_IFELSE([AC_LANG_PROGRAM(...)])
AC_LANG_SAVE/RESTORE -> AC_LANG_PUSH/POP
AC_DECL_SYS_SIGLIST -> AC_CHECK_DECLS(...) (per snippet in autoconf manual)

Also use AC_LANG_SOURCE instead of AC_LANG_PROGRAM, where the main()
function is not needed.

With these changes, autoconf -Wall doesn't complain anymore.

Andreas Karlsson
This commit is contained in:
Heikki Linnakangas
2015-07-02 19:21:23 +03:00
parent 7b156c1e07
commit a2edb023d0
7 changed files with 107 additions and 126 deletions
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4
config/programs.m4
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@ -200,14 +200,14 @@ fi
AC_DEFUN([PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER],
[AC_CACHE_CHECK([for rl_completion_append_character], pgac_cv_var_rl_completion_append_character,
[AC_TRY_LINK([#include <stdio.h>
[AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>
#ifdef HAVE_READLINE_READLINE_H
# include <readline/readline.h>
#elif defined(HAVE_READLINE_H)
# include <readline.h>
#endif
],
[rl_completion_append_character = 'x';],
[rl_completion_append_character = 'x';])],
[pgac_cv_var_rl_completion_append_character=yes],
[pgac_cv_var_rl_completion_append_character=no])])
if test x"$pgac_cv_var_rl_completion_append_character" = x"yes"; then