From: Bruno Haible <bruno@clisp.org>
Date: Tue, 7 Nov 2006 14:45:06 +0000 (+0000)
Subject: New module 'termcap': Information about terminal capabilities.
X-Git-Tag: v0.17~671
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=865fbbba42c6a099b405746e687db6e22770bcb5;p=thirdparty%2Fgettext.git

New module 'termcap': Information about terminal capabilities.
---

diff --git a/gnulib-local/m4/termcap.m4 b/gnulib-local/m4/termcap.m4
new file mode 100644
index 000000000..133847843
--- /dev/null
+++ b/gnulib-local/m4/termcap.m4
@@ -0,0 +1,81 @@
+# termcap.m4 serial 1 (gettext-0.16.1)
+dnl Copyright (C) 2000-2002, 2006 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_TERMCAP],
+[
+  AC_REQUIRE([gl_TERMCAP_BODY])
+])
+
+AC_DEFUN([gl_TERMCAP_BODY],
+[
+  dnl Some systems have tgetent(), tgetnum(), tgetstr(), tgetflag(), tparm(),
+  dnl tputs(), tgoto() in libc, some have it in libtermcap, some have it in
+  dnl libncurses.
+  dnl When both libtermcap and libncurses exist, we prefer the latter,
+  dnl because libtermcap is unsecure by design and obsolete since 1994.
+  dnl libcurses is useless: all platforms which have libcurses also have
+  dnl libtermcap, and libcurses is unusable on some old Unices.
+
+  dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
+  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
+  AC_REQUIRE([AC_LIB_RPATH])
+
+  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])
+
+  AC_CACHE_CHECK([where termcap library functions come from], [gl_cv_termcap], [
+    gl_cv_termcap="not found, consider installing GNU ncurses"
+    AC_TRY_LINK([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 $LIBNCURSES"
+      AC_TRY_LINK([extern
+        #ifdef __cplusplus
+        "C"
+        #endif
+        int tgetent (char *, const char *);
+        ], [return tgetent ((char *) 0, "xterm");], [gl_cv_termcap=libncurses])
+      LIBS="$gl_save_LIBS"
+      if test "$gl_cv_termcap" != libncurses; then
+        gl_save_LIBS="$LIBS"
+        LIBS="$LIBS $LIBTERMCAP"
+        AC_TRY_LINK([extern
+          #ifdef __cplusplus
+          "C"
+          #endif
+          int tgetent (char *, const char *);
+          ], [return tgetent ((char *) 0, "xterm");], [gl_cv_termcap=libtermcap])
+        LIBS="$gl_save_LIBS"
+      fi
+    fi
+  ])
+  case "$gl_cv_termcap" in
+    libc)
+      LIBTERMCAP=
+      LTLIBTERMCAP=
+      INCTERMCAP=
+      ;;
+    libncurses)
+      LIBTERMCAP="$LIBNCURSES"
+      LTLIBTERMCAP="$LTLIBNCURSES"
+      INCTERMCAP="$INCNCURSES"
+      ;;
+    libtermcap)
+      ;;
+  esac
+])
diff --git a/gnulib-local/modules/termcap b/gnulib-local/modules/termcap
new file mode 100644
index 000000000..94216da8f
--- /dev/null
+++ b/gnulib-local/modules/termcap
@@ -0,0 +1,22 @@
+Description:
+Information about terminal capabilities.
+
+Files:
+m4/termcap.m4
+
+Depends-on:
+havelib
+
+configure.ac:
+gl_TERMCAP
+
+Makefile.am:
+
+Include:
+
+License:
+LGPL
+
+Maintainer:
+Bruno Haible
+