[conf] check for sqlite3_stmt_readonly

configure

@@ -2116,6 +2116,73 @@ fi
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_header_mongrel
+
+# ac_fn_c_check_func LINENO FUNC VAR
+# ----------------------------------
+# Tests whether FUNC exists, setting the cache variable VAR accordingly
+ac_fn_c_check_func ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $2 innocuous_$2
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $2 (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $2
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $2 ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$2 || defined __stub___$2
+choke me
+#endif
+
+int
+main ()
+{
+return $2 ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_func
 cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
@@ -7251,6 +7318,17 @@ if test x"$SQLITE3_LIBS" = x""; then
     as_fn_error $? "The sqlite3 developement package must be installed." "$LINENO" 5
 fi
 
+OLD_LIBS="$LIBS"
+LIBS="$LIBS ${SQLITE3_LIBS}"
+ac_fn_c_check_func "$LINENO" "sqlite3_stmt_readonly" "ac_cv_func_sqlite3_stmt_readonly"
+if test "x$ac_cv_func_sqlite3_stmt_readonly" = xyes; then :
+
+$as_echo "#define HAVE_SQLITE3_STMT_READONLY /**/" >>confdefs.h
+
+fi
+
+LIBS="$OLD_LIBS"
+
 case "$host_os" in
     *)
 	# AC_DEFINE([_XOPEN_SOURCE], [500], [Need pread])

configure.ac

@@ -99,6 +99,12 @@ if test x"$SQLITE3_LIBS" = x""; then
     AC_MSG_ERROR([The sqlite3 developement package must be installed.])
 fi
 
+OLD_LIBS="$LIBS"
+LIBS="$LIBS ${SQLITE3_LIBS}"
+AC_CHECK_FUNC(sqlite3_stmt_readonly,
+    AC_DEFINE([HAVE_SQLITE3_STMT_READONLY], [], [Have the sqlite3_stmt_readonly function]))
+LIBS="$OLD_LIBS"
+
 case "$host_os" in
     *)
 	# AC_DEFINE([_XOPEN_SOURCE], [500], [Need pread])

src/config.h.in

@@ -76,6 +76,9 @@
 /* sqlite3 */
 #undef HAVE_SQLITE3
 
+/* Have the sqlite3_stmt_readonly function */
+#undef HAVE_SQLITE3_STMT_READONLY
+
 /* Define to 1 if you have the <stdint.h> header file. */
 #undef HAVE_STDINT_H
 

src/lnav.cc

@@ -2251,10 +2251,12 @@ string execute_sql(string sql, string &alt_msg)
                   "in the log view");
             }
         }
+#ifdef HAVE_SQLITE3_STMT_READONLY
         else if (sqlite3_stmt_readonly(stmt.in())) {
             retval = "No rows matched";
             alt_msg = "";
         }
+#endif
     }
 
     if (!(lnav_data.ld_flags & LNF_HEADLESS)) {