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[paraslash.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 8095d33a548d3d9ae01d712c3dc3482a81ba8990..186e3817913b16ab3d0027f3dc58cb2ec97c7ff5 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -174,6 +174,30 @@ AC_CHECK_LIB([c], [socket],
        [socket_ldflags="-lsocket"]
 )
 AC_SUBST(socket_ldflags)
+########################################################################## iconv
+STASH_FLAGS
+LIBS=
+AC_SEARCH_LIBS([libiconv_open], [iconv],
+       [iconv_ldflags="$LIBS"],
+       []
+)
+AC_SUBST(iconv_ldflags)
+AC_MSG_CHECKING([whether iconv needs const char ** cast])
+AC_COMPILE_IFELSE([
+        AC_LANG_PROGRAM([
+                #include <iconv.h>
+        ],[
+                size_t iconv(iconv_t cd, const char **inbuf,
+                        size_t *inbytesleft, char **outbuf,
+                        size_t *outbytesleft);
+        ])
+],
+        [cast='(const char **)'; msg=yes],
+        [cast=; msg=no]
+)
+AC_DEFINE_UNQUOTED(ICONV_CAST, $cast, [cast for second arg to iconv()])
+AC_MSG_RESULT($msg)
+UNSTASH_FLAGS
 ########################################################################### libnsl
 AC_CHECK_LIB([c], [gethostbyname],
        [nsl_ldflags=],