source4/lib/charset/config.m4

   1 dnl SMB_CHECK_ICONV(action-if-found,action-if-not-found)
   2 AC_DEFUN(SMB_CHECK_ICONV,[
   3   AC_CHECK_HEADERS(iconv.h giconv.h)
   4
   5   AC_TRY_RUN([#include <stdlib.h>
   6 #ifdef HAVE_GICONV_H
   7 #include <giconv.h>
   8 #endif
   9 #ifdef HAVE_ICONV_H
  10 #include <iconv.h>
  11 #endif
  12
  13 int main()
  14 {
  15    iconv_t cd = iconv_open("ASCII","UCS-2LE");
  16    if (cd == 0 || cd == (iconv_t)-1) return -1;
  17    return 0;
  18 }
  19    ],[$1],[$2])
  20 ])
  21
  22 dnl SMB_CHECK_ICONV_DIR(dir,action-if-found,action-if-not-found)
  23 AC_DEFUN(SMB_CHECK_ICONV_DIR,
  24 [
  25     if test -f "$1/include/iconv.h" -o -f "$1/include/giconv.h"; then
  26         CPPFLAGS="-I$1/include"
  27         LDFLAGS="-L$1/lib"
  28         LIBS=-liconv
  29
  30         SMB_CHECK_ICONV([$2],
  31         [
  32             LIBS=-lgiconv
  33             SMB_CHECK_ICONV([$2],[$3])
  34         ])
  35
  36         CPPFLAGS=$save_CPPFLAGS
  37         LDFLAGS=$save_LDFLAGS
  38         LIBS=$save_LIBS
  39     else
  40         $2
  41     fi
  42 ])
  43
  44 ICONV_FOUND=no
  45 LOOK_DIRS="/usr /usr/local /sw"
  46 AC_ARG_WITH(libiconv,
  47 [  --with-libiconv=BASEDIR Use libiconv in BASEDIR/lib and BASEDIR/include (default=auto) ],
  48 [
  49   if test "$withval" = "no" ; then
  50     AC_MSG_ERROR(I won't take no for an answer)
  51   else
  52      if test "$withval" != "yes" ; then
  53         SMB_CHECK_ICONV_DIR($withval, [
  54                 ICONV_FOUND=yes;
  55                 ICONV_CPPFLAGS="$CPPFLAGS"
  56                 ICONV_LIBS="$LIBS"
  57                 ICONV_LDFLAGS="$LDFLAGS"
  58                 ], [AC_MSG_ERROR([No iconv library found in $withval])])
  59      fi
  60   fi
  61 ])
  62
  63 if test x$ICONV_FOUND = xno; then
  64         SMB_CHECK_ICONV([ICONV_FOUND=yes])
  65 fi
  66
  67 for i in $LOOK_DIRS ; do
  68         if test x$ICONV_FOUND = xyes; then
  69                 break
  70         fi
  71
  72         SMB_CHECK_ICONV_DIR($i, [
  73                 ICONV_FOUND=yes;
  74                 ICONV_CPPFLAGS="$CPPFLAGS"
  75                 ICONV_LIBS="$LIBS"
  76                 ICONV_LDFLAGS="$LDFLAGS"
  77                 ], [])
  78 done
  79
  80 if test x"$ICONV_FOUND" = x"no"; then
  81     AC_MSG_WARN([Sufficient support for iconv function was not found.
  82     Install libiconv from http://www.gnu.org/software/libiconv/ for better charset compatibility!])
  83         SMB_ENABLE(ICONV,NO)
  84 else
  85         AC_DEFINE(HAVE_NATIVE_ICONV,1,[Whether external iconv is available])
  86         SMB_ENABLE(ICONV,YES)
  87 fi
  88
  89 SMB_EXT_LIB(ICONV,[${ICONV_LIBS}],[${ICONV_CFLAGS}],[${ICONV_CPPFLAGS}],[${ICONV_LDFLAGS}])