diff options
author | Bruno Haible <bruno@clisp.org> | 2022-01-30 16:44:27 +0100 |
---|---|---|
committer | Bruno Haible <bruno@clisp.org> | 2022-01-30 17:00:25 +0100 |
commit | a539037f3bf78ac6cd607cc21490bad587fa94b7 (patch) | |
tree | c986ad7af2b2fab9872850432a4e8a512d09a5ba /m4/terminfo.m4 | |
parent | 8b060fc2d173cec7c26d44fa3fb1d938894ae554 (diff) | |
download | gnulib-a539037f3bf78ac6cd607cc21490bad587fa94b7.tar.gz |
terminfo, terminfo-h: New modules.
* lib/terminfo.h: New file, from GNU gettext.
* m4/terminfo.m4: New file, from GNU gettext.
* modules/terminfo: New file, from GNU gettext.
* modules/terminfo-h: New file, from GNU gettext.
Diffstat (limited to 'm4/terminfo.m4')
-rw-r--r-- | m4/terminfo.m4 | 401 |
1 files changed, 401 insertions, 0 deletions
diff --git a/m4/terminfo.m4 b/m4/terminfo.m4 new file mode 100644 index 0000000000..e923518540 --- /dev/null +++ b/m4/terminfo.m4 @@ -0,0 +1,401 @@ +# terminfo.m4 serial 4 +dnl Copyright (C) 2000-2022 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 "$gl_cv_termcap" in + no*) + AC_LIBOBJ([tputs]) + ;; + esac + ;; + esac +]) + +AC_DEFUN([gl_TERMINFO_BODY], +[ + dnl Some systems have setupterm(), tigetnum(), tigetstr(), tigetflag(), + dnl tputs(), tgoto() in the same library as tgetent(), tgetnum(), tgetstr(), + dnl tgetflag(), e.g. Linux (in libncurses) or Solaris (in libtermcap = + dnl libncurses). + dnl Some systems have them in a different library, e.g. OSF/1 (in libcurses, + dnl not in libtermcap) or HP-UX (in libxcurses, not in libtermcap). + dnl Some systems, like NetBSD or BeOS, don't have these functions at all; + dnl they have only a libtermcap. + dnl Some systems, like BeOS, use GNU termcap, which has tparam() instead of + dnl tparm(). + dnl Some systems, like mingw, have nothing at all. + + dnl Some people want to avoid these libraries, in special situations such + dnl as when cross-compiling. + AC_REQUIRE([gl_CURSES]) + + dnl Prerequisites of AC_LIB_LINKFLAGS_BODY. + AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) + AC_REQUIRE([AC_LIB_RPATH]) + + if test "$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 +]) |