lib/util/charset/config.m4

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