137 lines
2.9 KiB
Plaintext
137 lines
2.9 KiB
Plaintext
AC_DEFUN([NTP_LINEEDITLIBS], [
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NTP_ORIG_LIBS="$LIBS"
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AC_ARG_WITH(
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[lineeditlibs],
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[AS_HELP_STRING(
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[--with-lineeditlibs],
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[edit,editline (readline may be specified if desired)]
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)],
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[use_lineeditlibs="$withval"],
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[use_lineeditlibs="edit,editline"]
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)
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AC_MSG_CHECKING([line editing libraries])
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AC_MSG_RESULT([$use_lineeditlibs])
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case "$use_lineeditlibs" in
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no)
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ntp_lib_lineedit=no
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;;
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*)
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for lineedit_lib in `echo $use_lineeditlibs | sed -e 's/,/ /'`; do
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for term_lib in "" termcap curses ncurses; do
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case "$term_lib" in
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'')
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TRY_LIB="-l$lineedit_lib"
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;;
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*)
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TRY_LIB="-l$lineedit_lib -l$term_lib"
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;;
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esac
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LIBS="$NTP_ORIG_LIBS $TRY_LIB"
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AC_MSG_CHECKING([for readline() with $TRY_LIB])
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AC_TRY_LINK_FUNC([readline], [ntp_lib_lineedit="$TRY_LIB"])
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case "$ntp_lib_lineedit" in
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'')
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AC_MSG_RESULT([no])
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;;
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*)
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# Use readline()
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AC_MSG_RESULT([yes])
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break
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esac
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case "$term_lib" in
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'')
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# do not try el_gets without a terminal library
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;;
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*)
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AC_MSG_CHECKING([for el_gets() with $TRY_LIB])
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AC_TRY_LINK_FUNC([el_gets], [ntp_lib_lineedit="$TRY_LIB"])
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case "$ntp_lib_lineedit" in
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'')
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AC_MSG_RESULT([no])
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;;
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*) # Use el_gets()
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AC_MSG_RESULT([yes])
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break
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;;
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esac # $ntp_lib_lineedit
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esac # $term_lib
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done
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case "$ntp_lib_lineedit" in
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'')
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;;
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*)
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break
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;;
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esac
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done
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LIBS="$NTP_ORIG_LIBS"
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;;
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esac # $use_lineeditlibs
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case "$ntp_lib_lineedit" in
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'')
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ntp_lib_lineedit="no"
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;;
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no)
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;;
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*)
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EDITLINE_LIBS="$ntp_lib_lineedit"
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AC_SUBST([EDITLINE_LIBS])
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;;
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esac # $ntp_lib_lineedit
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case "$ntp_lib_lineedit" in
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no)
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;;
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*)
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AC_CHECK_HEADERS([readline.h readline/readline.h histedit.h])
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AC_CHECK_HEADERS([history.h readline/history.h])
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case "$ac_cv_header_histedit_h" in
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yes)
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AC_CACHE_CHECK(
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[number of arguments to el_init()],
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[ntp_cv_el_init_args],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[
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#include <stdio.h>
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#include <histedit.h>
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]],
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[[
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el_init("conftest", stdin, stdout, stderr);
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]]
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)],
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[ntp_cv_el_init_args=4],
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[ntp_cv_el_init_args=3]
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)]
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)
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AC_DEFINE_UNQUOTED(
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[EL_INIT_ARGS],
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[$ntp_cv_el_init_args],
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[number of args to el_init()]
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)
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esac
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AC_MSG_CHECKING([whether readline supports history])
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ntp_lib_lineedit_history="no"
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ORIG_LIBS="$LIBS"
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LIBS="$ORIG_LIBS $ntp_lib_lineedit"
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AC_TRY_LINK_FUNC([add_history], [ntp_lib_lineedit_history="yes"])
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LIBS="$ORIG_LIBS"
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AC_MSG_RESULT([$ntp_lib_lineedit_history])
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case "$ntp_lib_lineedit_history" in
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yes)
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AC_DEFINE([HAVE_READLINE_HISTORY], [1],
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[Define if your readline library has \`add_history'])
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esac
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esac # $ntp_lib_lineedit
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AS_UNSET([NTP_ORIG_LIBS])
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AS_UNSET([ORIG_LIBS])
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AS_UNSET([TRY_LIB])
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AS_UNSET([use_lineeditlibs])
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])dnl
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