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|
# terminfo.m4 serial 6
dnl Copyright (C) 2000-2023 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl From Bruno Haible.
AC_DEFUN([gl_TERMINFO],
[
AC_REQUIRE([gl_TERMINFO_BODY])
if test $gl_cv_terminfo_tparam = no && test $gl_cv_terminfo_tparm = no; then
AC_LIBOBJ([tparm])
fi
case "$gl_cv_terminfo" in
no*)
case "$gl_cv_termcap" in
no*)
AC_LIBOBJ([tputs])
;;
esac
;;
esac
])
AC_DEFUN([gl_TERMINFO_BODY],
[
dnl Some systems have setupterm(), tigetnum(), tigetstr(), tigetflag(),
dnl tputs(), tgoto() in the same library as tgetent(), tgetnum(), tgetstr(),
dnl tgetflag(), e.g. Linux (in libncurses) or Solaris (in libtermcap =
dnl libncurses).
dnl Some systems have them in a different library, e.g. OSF/1 (in libcurses,
dnl not in libtermcap) or AIX, HP-UX (in libxcurses, not in libtermcap).
dnl Some systems, like NetBSD or BeOS, don't have these functions at all;
dnl they have only a libtermcap.
dnl Some systems, like BeOS, use GNU termcap, which has tparam() instead of
dnl tparm().
dnl Some systems, like mingw, have nothing at all.
dnl Some people want to avoid these libraries, in special situations such
dnl as when cross-compiling.
AC_REQUIRE([gl_CURSES])
dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
AC_REQUIRE([AC_LIB_RPATH])
dnl Avoid disturbing the gl_TERMCAP_BODY macro.
gl_save_LIBTERMCAP="$LIBTERMCAP"
gl_save_LTLIBTERMCAP="$LTLIBTERMCAP"
gl_save_INCTERMCAP="$INCTERMCAP"
if test "$gl_curses_allowed" != no; then
dnl Search for libncurses and define LIBNCURSES, LTLIBNCURSES and INCNCURSES
dnl accordingly.
AC_LIB_LINKFLAGS_BODY([ncurses])
dnl Search for libtermcap and define LIBTERMCAP, LTLIBTERMCAP and INCTERMCAP
dnl accordingly.
AC_LIB_LINKFLAGS_BODY([termcap])
dnl Search for libxcurses and define LIBXCURSES, LTLIBXCURSES and INCXCURSES
dnl accordingly.
AC_LIB_LINKFLAGS_BODY([xcurses])
dnl Search for libcurses and define LIBCURSES, LTLIBCURSES and INCCURSES
dnl accordingly.
AC_LIB_LINKFLAGS_BODY([curses])
else
LIBNCURSES=
LTLIBNCURSES=
INCNCURSES=
LIBTERMCAP=
LTLIBTERMCAP=
INCTERMCAP=
LIBXCURSES=
LTLIBXCURSES=
INCXCURSES=
LIBCURSES=
LTLIBCURSES=
INCCURSES=
fi
dnl When searching for the terminfo functions, prefer libtermcap over
dnl libxcurses and libcurses, because it is smaller.
AC_CACHE_CHECK([where terminfo library functions come from], [gl_cv_terminfo], [
gl_cv_terminfo="not found, consider installing GNU ncurses"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[extern
#ifdef __cplusplus
"C"
#endif
int setupterm (const char *, int, int *);
extern
#ifdef __cplusplus
"C"
#endif
int tigetnum (const char *);
extern
#ifdef __cplusplus
"C"
#endif
int tigetflag (const char *);
extern
#ifdef __cplusplus
"C"
#endif
const char * tigetstr (const char *);
]],
[[return setupterm ("xterm", 0, (int *)0)
+ tigetnum ("colors")
+ tigetflag ("hc") + * tigetstr ("oc");]])],
[gl_cv_terminfo=libc])
if test "$gl_cv_terminfo" != libc; then
gl_save_LIBS="$LIBS"
LIBS="$LIBS $LIBNCURSES"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[extern
#ifdef __cplusplus
"C"
#endif
int setupterm (const char *, int, int *);
extern
#ifdef __cplusplus
"C"
#endif
int tigetnum (const char *);
extern
#ifdef __cplusplus
"C"
#endif
int tigetflag (const char *);
extern
#ifdef __cplusplus
"C"
#endif
const char * tigetstr (const char *);
]],
[[return setupterm ("xterm", 0, (int *)0)
+ tigetnum ("colors")
+ tigetflag ("hc") + * tigetstr ("oc");]])],
[gl_cv_terminfo=libncurses])
LIBS="$gl_save_LIBS"
if test "$gl_cv_terminfo" != libncurses; then
gl_save_LIBS="$LIBS"
LIBS="$LIBS $LIBTERMCAP"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[extern
#ifdef __cplusplus
"C"
#endif
int setupterm (const char *, int, int *);
extern
#ifdef __cplusplus
"C"
#endif
int tigetnum (const char *);
extern
#ifdef __cplusplus
"C"
#endif
int tigetflag (const char *);
extern
#ifdef __cplusplus
"C"
#endif
const char * tigetstr (const char *);
]],
[[return setupterm ("xterm", 0, (int *)0)
+ tigetnum ("colors")
+ tigetflag ("hc") + * tigetstr ("oc");]])],
[gl_cv_terminfo=libtermcap])
LIBS="$gl_save_LIBS"
if test "$gl_cv_terminfo" != libtermcap; then
gl_save_LIBS="$LIBS"
LIBS="$LIBS $LIBXCURSES"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[extern
#ifdef __cplusplus
"C"
#endif
int setupterm (const char *, int, int *);
extern
#ifdef __cplusplus
"C"
#endif
int tigetnum (const char *);
extern
#ifdef __cplusplus
"C"
#endif
int tigetflag (const char *);
extern
#ifdef __cplusplus
"C"
#endif
const char * tigetstr (const char *);
]],
[[return setupterm ("xterm", 0, (int *)0)
+ tigetnum ("colors")
+ tigetflag ("hc") + * tigetstr ("oc");]])],
[gl_cv_terminfo=libxcurses])
LIBS="$gl_save_LIBS"
if test "$gl_cv_terminfo" != libxcurses; then
gl_save_LIBS="$LIBS"
LIBS="$LIBS $LIBCURSES"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[extern
#ifdef __cplusplus
"C"
#endif
int setupterm (const char *, int, int *);
extern
#ifdef __cplusplus
"C"
#endif
int tigetnum (const char *);
extern
#ifdef __cplusplus
"C"
#endif
int tigetflag (const char *);
extern
#ifdef __cplusplus
"C"
#endif
const char * tigetstr (const char *);
]],
[[return setupterm ("xterm", 0, (int *)0)
+ tigetnum ("colors")
+ tigetflag ("hc") + * tigetstr ("oc");]])],
[gl_cv_terminfo=libcurses])
LIBS="$gl_save_LIBS"
fi
fi
fi
fi
])
case "$gl_cv_terminfo" in
libc)
LIBTERMINFO=
LTLIBTERMINFO=
INCTERMINFO=
;;
libncurses)
LIBTERMINFO="$LIBNCURSES"
LTLIBTERMINFO="$LTLIBNCURSES"
INCTERMINFO="$INCNCURSES"
;;
libtermcap)
LIBTERMINFO="$LIBTERMCAP"
LTLIBTERMINFO="$LTLIBTERMCAP"
INCTERMINFO="$INCTERMCAP"
;;
libxcurses)
LIBTERMINFO="$LIBXCURSES"
LTLIBTERMINFO="$LTLIBXCURSES"
INCTERMINFO="$INCXCURSES"
;;
libcurses)
LIBTERMINFO="$LIBCURSES"
LTLIBTERMINFO="$LTLIBCURSES"
INCTERMINFO="$INCCURSES"
;;
esac
case "$gl_cv_terminfo" in
libc | libncurses | libtermcap | libxcurses | libcurses)
AC_DEFINE([HAVE_TERMINFO], 1,
[Define if setupterm(), tigetnum(), tigetstr(), tigetflag()
are among the termcap library functions.])
;;
*)
dnl Use the termcap functions as a fallback.
AC_CACHE_CHECK([where termcap library functions come from], [gl_cv_termcap], [
gl_cv_termcap="not found, consider installing GNU ncurses"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[extern
#ifdef __cplusplus
"C"
#endif
int tgetent (char *, const char *);
]],
[[return tgetent ((char *) 0, "xterm");]])],
[gl_cv_termcap=libc])
if test "$gl_cv_termcap" != libc; then
gl_save_LIBS="$LIBS"
LIBS="$LIBS $LIBNCURSES"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[extern
#ifdef __cplusplus
"C"
#endif
int tgetent (char *, const char *);
]],
[[return tgetent ((char *) 0, "xterm");]])],
[gl_cv_termcap=libncurses])
LIBS="$gl_save_LIBS"
if test "$gl_cv_termcap" != libncurses; then
gl_save_LIBS="$LIBS"
LIBS="$LIBS $LIBTERMCAP"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[extern
#ifdef __cplusplus
"C"
#endif
int tgetent (char *, const char *);
]],
[[return tgetent ((char *) 0, "xterm");]])],
[gl_cv_termcap=libtermcap])
LIBS="$gl_save_LIBS"
fi
fi
])
case "$gl_cv_termcap" in
libc)
LIBTERMINFO=
LTLIBTERMINFO=
INCTERMINFO=
;;
libncurses)
LIBTERMINFO="$LIBNCURSES"
LTLIBTERMINFO="$LTLIBNCURSES"
INCTERMINFO="$INCNCURSES"
;;
libtermcap)
LIBTERMINFO="$LIBTERMCAP"
LTLIBTERMINFO="$LTLIBTERMCAP"
INCTERMINFO="$INCTERMCAP"
;;
esac
case "$gl_cv_termcap" in
libc | libncurses | libtermcap)
AC_DEFINE([HAVE_TERMCAP], 1,
[Define if tgetent(), tgetnum(), tgetstr(), tgetflag()
are among the termcap library functions.])
;;
esac
;;
esac
AC_SUBST([LIBTERMINFO])
AC_SUBST([LTLIBTERMINFO])
AC_SUBST([INCTERMINFO])
dnl Test against the old GNU termcap, which provides a tparam() function
dnl instead of the classical tparm() function.
AC_CACHE_CHECK([for tparam], [gl_cv_terminfo_tparam], [
gl_save_LIBS="$LIBS"
LIBS="$LIBS $LIBTERMINFO"
gl_save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $INCTERMINFO"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[extern
#ifdef __cplusplus
"C"
#endif
char * tparam (const char *, void *, int, ...);
char buf;
]],
[[return ! tparam ("\033\133%dm", &buf, 1, 8);]])],
[gl_cv_terminfo_tparam=yes],
[gl_cv_terminfo_tparam=no])
CPPFLAGS="$gl_save_CPPFLAGS"
LIBS="$gl_save_LIBS"
])
if test $gl_cv_terminfo_tparam = yes; then
AC_DEFINE([HAVE_TPARAM], 1,
[Define if tparam() is among the termcap library functions.])
else
dnl Test whether a tparm() function is provided. It is missing e.g.
dnl in NetBSD 3.0 libtermcap.
AC_CACHE_CHECK([for tparm], [gl_cv_terminfo_tparm], [
gl_save_LIBS="$LIBS"
LIBS="$LIBS $LIBTERMINFO"
gl_save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $INCTERMINFO"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[extern
#ifdef __cplusplus
"C"
#endif
char * tparm (const char *, ...);
]],
[[return ! tparm ("\033\133%dm", 8);]])],
[gl_cv_terminfo_tparm=yes], [gl_cv_terminfo_tparm=no])
CPPFLAGS="$gl_save_CPPFLAGS"
LIBS="$gl_save_LIBS"
])
fi
dnl Avoid disturbing the gl_TERMCAP_BODY macro.
LIBTERMCAP="$gl_save_LIBTERMCAP"
LTLIBTERMCAP="$gl_save_LTLIBTERMCAP"
INCTERMCAP="$gl_save_INCTERMCAP"
])
|
