apps/silcer/macros/gnome-guile-checks.m4

   1 dnl
   2 dnl GNOME_CHECK_GUILE (failflag)
   3 dnl
   4 dnl if failflag is "fail" then GNOME_CHECK_GUILE will abort if guile is not found.
   5 dnl
   6
   7 AC_DEFUN([GNOME_CHECK_GUILE],
   8 [
   9         saved_ldflags="$LDFLAGS"
  10         saved_cppflags="$CPPFLAGS"
  11         LDFLAGS="$LDFLAGS $GNOME_LIBDIR"
  12
  13         AC_CHECK_LIB(qthreads,qt_null,[
  14                 QTTHREADS_LIB="-lqthreads"
  15         ],[
  16                 AC_CHECK_LIB(qt, qt_null, QTTHREADS_LIB="-lqt")
  17         ],$LIBS)
  18         AC_SUBST(QTTHREADS_LIB)
  19
  20         AC_CHECK_LIB(termcap,main,TERMCAP_LIB="-ltermcap")
  21         AC_CHECK_LIB(readline,main,READLINE_LIB="-lreadline",,$TERMCAP_LIB)
  22
  23         AC_SUBST(TERMCAP_LIB)
  24         AC_SUBST(READLINE_LIB)
  25
  26         if test "x$cross_compiling" = "xyes" ; then
  27           name_build_guile="$target_alias-guile-config"
  28         else
  29           name_build_guile="guile-config"
  30         fi
  31
  32         AC_CHECK_PROG(BUILD_GUILE, $name_build_guile, yes, no)
  33
  34         if test "x$BUILD_GUILE" = "xyes"; then
  35             AC_MSG_CHECKING(whether $name_build_guile works)
  36             if test x`$name_build_guile --version >/dev/null 2>&1 || \
  37                 echo no` = xno; then
  38                 BUILD_GUILE=no
  39             fi
  40             AC_MSG_RESULT($BUILD_GUILE)
  41         else
  42
  43             if test "x$cross_compiling" = "xyes" ; then
  44                 name_build_guile="$target_alias-build-guile"
  45             else
  46                 name_build_guile="build-guile"
  47             fi
  48
  49             AC_CHECK_PROG(BUILD_GUILE, $name_build_guile, yes, no)
  50
  51             if test "x$BUILD_GUILE" = "xyes"; then
  52                 AC_MSG_CHECKING(whether $name_build_guile works)
  53                 if test x`$name_build_guile --version >/dev/null 2>&1 || \
  54                     echo no` = xno; then
  55                     BUILD_GUILE=no
  56                 fi
  57                 AC_MSG_RESULT($BUILD_GUILE)
  58             fi
  59         fi
  60
  61         AC_CHECK_LIB(m, sin)
  62
  63         if test "x$BUILD_GUILE" = "xyes"; then
  64                 AC_MSG_CHECKING(for guile libraries)
  65                 GUILE_LIBS="`$name_build_guile link`"
  66                 AC_MSG_RESULT($GUILE_LIBS)
  67                 AC_MSG_CHECKING(for guile headers)
  68                 GUILE_INCS="`$name_build_guile compile`"
  69                 AC_MSG_RESULT($GUILE_INCS)
  70         else
  71                 GUILE_LIBS="$GNOME_LIBDIR"
  72                 GUILE_INCS="$GNOME_INCLUDEDIR"
  73                 AC_CHECK_LIB(rx, main, GUILE_LIBS="-lrx $GUILE_LIBS")
  74                 AC_CHECK_LIB(qt, qt_null, GUILE_LIBS="-lqt $GUILE_LIBS")
  75                 AC_CHECK_LIB(dl, dlopen, GUILE_LIBS="-ldl $GUILE_LIBS")
  76                 AC_CHECK_LIB(nsl, t_accept, GUILE_LIBS="$GUILE_LIBS -lnsl")
  77                 AC_CHECK_LIB(socket, socket, GUILE_LIBS="$GUILE_LIBS -lsocket")
  78                 GUILE_LIBS="-lguile $GUILE_LIBS $QTTHREADS_LIB $READLINE_LIB $TERMCAP_LIB"
  79         fi
  80
  81         AC_SUBST(GUILE_LIBS)
  82         AC_SUBST(GUILE_INCS)
  83
  84         saved_LIBS="$LIBS"
  85         LIBS="$LIBS $GUILE_LIBS"
  86         CPPFLAGS="$saved_cppflags $GUILE_INCS"
  87
  88         AC_MSG_CHECKING(whether guile works)
  89         AC_TRY_LINK([
  90                 #include <libguile.h>
  91                 #include <guile/gh.h>
  92         ],[
  93                 gh_eval_str("(newline)");
  94                 scm_boot_guile(0,NULL,NULL,NULL);
  95         ],[
  96                 ac_cv_guile_found=yes
  97                 AC_DEFINE(HAVE_GUILE)
  98         ],[
  99                 ac_cv_guile_found=no
 100         ])
 101         AC_MSG_RESULT($ac_cv_guile_found)
 102
 103         if test x$ac_cv_guile_found = xno ; then
 104                 if test x$1 = xfail ; then
 105                   AC_MSG_ERROR(Can not find Guile on this system)
 106                 else
 107                   AC_MSG_WARN(Can not find Guile on this system)
 108                 fi
 109                 ac_cv_guile_found=no
 110                 GUILE_LIBS= GUILE_INCS=
 111         fi
 112
 113         LIBS="$saved_LIBS"
 114         LDFLAGS="$saved_ldflags"
 115         CPPFLAGS="$saved_cppflags"
 116
 117         AC_SUBST(GUILE_LIBS)
 118         AM_CONDITIONAL(GUILE, test x$ac_cv_guile_found = xyes)
 119 ])