source4/lib/charset/config.m4

   1 dnl # ICONV/CHARSET subsystem
   2
   3 ICONV_LOCATION=standard
   4 LOOK_DIRS="/usr /usr/local /sw"
   5 AC_ARG_WITH(libiconv,
   6 [  --with-libiconv=BASEDIR Use libiconv in BASEDIR/lib and BASEDIR/include (default=auto) ],
   7 [
   8   if test "$withval" = "no" ; then
   9     AC_MSG_ERROR(I won't take no for an answer)
  10   else
  11      if test "$withval" != "yes" ; then
  12         LOOK_DIRS="$withval $LOOK_DIRS"
  13      fi
  14   fi
  15 ])
  16
  17 ICONV_FOUND="no"
  18 for i in $LOOK_DIRS ; do
  19     save_LIBS=$LIBS
  20     save_LDFLAGS=$LDFLAGS
  21     save_CPPFLAGS=$CPPFLAGS
  22     CPPFLAGS="-I$i/include"
  23     LDFLAGS="-L$i/lib"
  24     LIBS=
  25     export LDFLAGS LIBS CPPFLAGS
  26 dnl Try to find iconv(3)
  27     jm_ICONV($i)
  28
  29     TMP_ICONV_LIBS="$LIBS"
  30
  31     CPPFLAGS=$save_CPPFLAGS
  32     LDFLAGS=$save_LDFLAGS
  33     LIBS=$save_LIBS
  34     export LDFLAGS LIBS CPPFLAGS
  35
  36     if test -n "$ICONV_FOUND" ; then
  37         LIB_ADD_DIR(ICONV_LDFLAGS, $i/lib)
  38         CFLAGS_ADD_DIR(ICONV_CPPFLAGS, $i/include)
  39         ICONV_LIBS="$TMP_ICONV_LIBS"
  40         break
  41     fi
  42 done
  43
  44 ############
  45 # check for iconv in libc
  46 AC_CACHE_CHECK([for working iconv],samba_cv_HAVE_NATIVE_ICONV,[
  47 AC_TRY_RUN([
  48 #include <iconv.h>
  49 main() {
  50        iconv_t cd = iconv_open("ASCII", "UCS-2LE");
  51        if (cd == 0 || cd == (iconv_t)-1) return -1;
  52        return 0;
  53 }
  54 ],
  55 samba_cv_HAVE_NATIVE_ICONV=yes,samba_cv_HAVE_NATIVE_ICONV=no,samba_cv_HAVE_NATIVE_ICONV=cross)])
  56 if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"yes"; then
  57     AC_DEFINE(HAVE_NATIVE_ICONV,1,[Whether to use native iconv])
  58 fi
  59
  60 if test x"$ICONV_FOUND" = x"no" -o x"$samba_cv_HAVE_NATIVE_ICONV" != x"yes" ; then
  61     AC_MSG_WARN([Sufficient support for iconv function was not found.
  62     Install libiconv from http://freshmeat.net/projects/libiconv/ for better charset compatibility!])
  63 fi
  64
  65 SMB_EXT_LIB(ICONV,[${ICONV_LIBS}],[${ICONV_CFLAGS}],[${ICONV_CPPFLAGS}],[${ICONV_LDFLAGS}])