m4/curslib.m4

   1 dnl ---------------------------------------------------------------------------
   2 dnl Look for the curses libraries.  Older curses implementations may require
   3 dnl termcap/termlib to be linked as well.
   4 AC_DEFUN([CF_CURSES_LIBS],[
   5 AC_CHECK_FUNC(initscr,,[
   6 case $host_os in #(vi
   7 freebsd*) #(vi
   8         AC_CHECK_LIB(mytinfo,tgoto,[LIBS="-lmytinfo $LIBS"])
   9         ;;
  10 hpux10.*|hpux11.*)
  11         AC_CHECK_LIB(cur_colr,initscr,[
  12                 LIBS="-lcur_colr $LIBS"
  13                 CFLAGS="-I/usr/include/curses_colr $CFLAGS"
  14                 ac_cv_func_initscr=yes
  15                 ],[
  16         AC_CHECK_LIB(Hcurses,initscr,[
  17                 # HP's header uses __HP_CURSES, but user claims _HP_CURSES.
  18                 LIBS="-lHcurses $LIBS"
  19                 CFLAGS="-D__HP_CURSES -D_HP_CURSES $CFLAGS"
  20                 ac_cv_func_initscr=yes
  21                 ])])
  22         ;;
  23 linux*) # Suse Linux does not follow /usr/lib convention
  24         LIBS="$LIBS -L/lib"
  25         ;;
  26 esac
  27
  28 if test ".$With5lib" != ".no" ; then
  29 if test -d /usr/5lib ; then
  30         # SunOS 3.x or 4.x
  31         CPPFLAGS="$CPPFLAGS -I/usr/5include"
  32         LIBS="$LIBS -L/usr/5lib"
  33 fi
  34 fi
  35
  36 if test ".$ac_cv_func_initscr" != .yes ; then
  37         cf_save_LIBS="$LIBS"
  38         cf_term_lib=""
  39         cf_curs_lib=""
  40
  41         # Check for library containing tgoto.  Do this before curses library
  42         # because it may be needed to link the test-case for initscr.
  43         AC_CHECK_FUNC(tgoto,[cf_term_lib=predefined],[
  44                 for cf_term_lib in termcap termlib unknown
  45                 do
  46                         AC_CHECK_LIB($cf_term_lib,tgoto,[break])
  47                 done
  48         ])
  49
  50         # Check for library containing initscr
  51         test "$cf_term_lib" != predefined && test "$cf_term_lib" != unknown && LIBS="-l$cf_term_lib $cf_save_LIBS"
  52         for cf_curs_lib in cursesX curses ncurses xcurses jcurses unknown
  53         do
  54                 AC_CHECK_LIB($cf_curs_lib,initscr,[break])
  55         done
  56         test $cf_curs_lib = unknown && AC_ERROR(no curses library found)
  57
  58         LIBS="-l$cf_curs_lib $cf_save_LIBS"
  59         if test "$cf_term_lib" = unknown ; then
  60                 AC_MSG_CHECKING(if we can link with $cf_curs_lib library)
  61                 AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>],
  62                         [initscr()],
  63                         [cf_result=yes],
  64                         [cf_result=no])
  65                 AC_MSG_RESULT($cf_result)
  66                 test $cf_result = no && AC_ERROR(Cannot link curses library)
  67         elif test "$cf_term_lib" != predefined ; then
  68                 AC_MSG_CHECKING(if we need both $cf_curs_lib and $cf_term_lib libraries)
  69                 AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>],
  70                         [initscr(); tgoto((char *)0, 0, 0);],
  71                         [cf_result=no],
  72                         [
  73                         LIBS="-l$cf_curs_lib -l$cf_term_lib $cf_save_LIBS"
  74                         AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>],
  75                                 [initscr()],
  76                                 [cf_result=yes],
  77                                 [cf_result=error])
  78                         ])
  79                 AC_MSG_RESULT($cf_result)
  80         fi
  81 fi
  82
  83 ])])