1# Copyright (c) 2010, 2018, Oracle and/or its affiliates. All rights reserved.
2#
3# This program is free software; you can redistribute it and/or modify
4# it under the terms of the GNU General Public License, version 2.0,
5# as published by the Free Software Foundation.
6#
7# This program is also distributed with certain software (including
8# but not limited to OpenSSL) that is licensed under separate terms,
9# as designated in a particular file or component or in included license
10# documentation.  The authors of MySQL hereby grant you an additional
11# permission to link the program and your derivative works with the
12# separately licensed software that they have included with MySQL.
13#
14# This program is distributed in the hope that it will be useful,
15# but WITHOUT ANY WARRANTY; without even the implied warranty of
16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17# GNU General Public License, version 2.0, for more details.
18#
19# You should have received a copy of the GNU General Public License
20# along with this program; if not, write to the Free Software
21# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
22
23# Common warning flags for GCC, G++, Clang and Clang++
24SET(MY_WARNING_FLAGS "-Wall -Wextra -Wformat-security")
25MY_CHECK_C_COMPILER_FLAG("-Wvla" HAVE_WVLA) # Requires GCC 4.3+ or Clang
26IF(HAVE_WVLA)
27  SET(MY_WARNING_FLAGS "${MY_WARNING_FLAGS} -Wvla")
28ENDIF()
29
30# Common warning flags for GCC and Clang
31SET(MY_C_WARNING_FLAGS
32    "${MY_WARNING_FLAGS} -Wwrite-strings -Wdeclaration-after-statement")
33
34# Common warning flags for G++ and Clang++
35SET(MY_CXX_WARNING_FLAGS
36    "${MY_WARNING_FLAGS} -Woverloaded-virtual -Wno-unused-parameter")
37
38# Extra warning flags for Clang++
39IF(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
40  SET(MY_CXX_WARNING_FLAGS
41      "${MY_CXX_WARNING_FLAGS} -Wno-null-conversion -Wno-unused-private-field")
42ENDIF()
43
44# Turn on Werror (warning => error) when using maintainer mode.
45IF(MYSQL_MAINTAINER_MODE)
46  SET(MY_C_WARNING_FLAGS "${MY_C_WARNING_FLAGS} -Werror")
47  SET(MY_CXX_WARNING_FLAGS "${MY_CXX_WARNING_FLAGS} -Werror")
48  SET(COMPILE_FLAG_WERROR 1)
49ENDIF()
50
51# Set warning flags for GCC/Clang
52IF(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
53  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MY_C_WARNING_FLAGS}")
54ENDIF()
55# Set warning flags for G++/Clang++
56IF(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
57  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MY_CXX_WARNING_FLAGS}")
58ENDIF()
59