From 47a71801cb4e7b926321771765f35707783d2e30 Mon Sep 17 00:00:00 2001
From: Michael Wallner <mike@php.net>
Date: Thu, 27 Feb 2020 10:52:12 +0100
Subject: [PATCH] bison: fix warnings

---
 src/libmemcached/CMakeLists.txt | 7 ++++++-
 src/libmemcached/csl/common.h   | 2 +-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/libmemcached/CMakeLists.txt b/src/libmemcached/CMakeLists.txt
index e3bcfbe7..4e8e0401 100644
--- a/src/libmemcached/CMakeLists.txt
+++ b/src/libmemcached/CMakeLists.txt
@@ -1,10 +1,15 @@
 
 find_package(FLEX)
-find_package(BISON)
+find_package(BISON 2.3)
+
+if(${BISON_VERSION} VERSION_GREATER_EQUAL 3.0)
+        set(BISON_WARNINGS -Wno-deprecated)
+endif()
 
 file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/csl)
 bison_target(CSL_PARSER csl/parser.yy ${CMAKE_CURRENT_BINARY_DIR}/csl/parser.cc
         DEFINES_FILE ${CMAKE_CURRENT_BINARY_DIR}/csl/parser.h
+        COMPILE_FLAGS ${BISON_WARNINGS}
         )
 flex_target(CSL_SCANNER csl/scanner.l ${CMAKE_CURRENT_BINARY_DIR}/csl/scanner.cc
         DEFINES_FILE ${CMAKE_CURRENT_BINARY_DIR}/csl/scanner.h
diff --git a/src/libmemcached/csl/common.h b/src/libmemcached/csl/common.h
index 46a950a3..85881c18 100644
--- a/src/libmemcached/csl/common.h
+++ b/src/libmemcached/csl/common.h
@@ -48,7 +48,7 @@ typedef void* yyscan_t;
 #endif
 
 #ifndef YYSTYPE
-# define YYSTYPE union CONFIG_STYPE
+# define YYSTYPE CONFIG_STYPE
 #endif
 
 #define config_tokentype int
-- 
2.30.2