1 files changed, 66 insertions, 0 deletions
diff --git a/source4/lib/iconv.m4 b/source4/lib/iconv.m4
new file mode 100644
index 0000000000..26512ff326
--- /dev/null
+++ b/source4/lib/iconv.m4
@@ -0,0 +1,66 @@
+dnl # ICONV/CHARSET subsystem
+
+ICONV_LOCATION=standard
+LOOK_DIRS="/usr /usr/local /sw"
+AC_ARG_WITH(libiconv,
+[  --with-libiconv=BASEDIR Use libiconv in BASEDIR/lib and BASEDIR/include (default=auto) ],
+[
+  if test "$withval" = "no" ; then
+    AC_MSG_ERROR(I won't take no for an answer)
+  else
+     if test "$withval" != "yes" ; then
+        LOOK_DIRS="$withval $LOOK_DIRS"
+     fi
+  fi
+])
+
+ICONV_FOUND="no"
+for i in $LOOK_DIRS ; do
+    save_LIBS=$LIBS
+    save_LDFLAGS=$LDFLAGS
+    save_CPPFLAGS=$CPPFLAGS
+    CPPFLAGS="-I$i/include"
+    LDFLAGS="-L$i/lib"
+    LIBS=
+    export LDFLAGS LIBS CPPFLAGS
+dnl Try to find iconv(3)
+    jm_ICONV($i)
+
+    CPPFLAGS=$save_CPPFLAGS
+    if test -n "$ICONV_FOUND" ; then
+        LDFLAGS=$save_LDFLAGS
+        LIB_ADD_DIR(LDFLAGS, "$i/lib")
+        CFLAGS_ADD_DIR(CPPFLAGS, "$i/include")
+        LIBS="$save_LIBS $LIBS"
+        ICONV_LOCATION=$i
+        export LDFLAGS LIBS CPPFLAGS
+        break
+    else
+	LDFLAGS=$save_LDFLAGS
+        LIBS=$save_LIBS
+        export LDFLAGS LIBS CPPFLAGS
+    fi
+done
+
+############
+# check for iconv in libc
+AC_CACHE_CHECK([for working iconv],samba_cv_HAVE_NATIVE_ICONV,[
+AC_TRY_RUN([
+#include <iconv.h>
+main() {
+       iconv_t cd = iconv_open("ASCII", "UCS-2LE");
+       if (cd == 0 || cd == (iconv_t)-1) return -1;
+       return 0;
+}
+],
+samba_cv_HAVE_NATIVE_ICONV=yes,samba_cv_HAVE_NATIVE_ICONV=no,samba_cv_HAVE_NATIVE_ICONV=cross)])
+if test x"$samba_cv_HAVE_NATIVE_ICONV" = x"yes"; then
+    AC_DEFINE(HAVE_NATIVE_ICONV,1,[Whether to use native iconv])
+fi
+
+if test x"$ICONV_FOUND" = x"no" -o x"$samba_cv_HAVE_NATIVE_ICONV" != x"yes" ; then
+    AC_MSG_WARN([Sufficient support for iconv function was not found. 
+    Install libiconv from http://freshmeat.net/projects/libiconv/ for better charset compatibility!])
+fi
+
+SMB_SUBSYSTEM(CHARSET,lib/iconv.o,lib/charcnv.o)