Merge pull request #2536 from MishimaHaruna/compile-fixes

Compile fixes

8 files changed, 270 insertions, 105 deletions

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 72dbcf1d2..438dbc267 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -35,7 +35,7 @@ variables: &base_vars
 pre_re:clang-3.9:
   <<: *branch_exceptions
   <<: *prerequisites
-  stage: primary
+  stage: secondary
   image: debian:stretch
   services:
     - mariadb:10.1
@@ -50,7 +50,7 @@ pre_re:clang-3.9:
 re:clang-3.9:
   <<: *branch_exceptions
   <<: *prerequisites
-  stage: primary
+  stage: secondary
   image: debian:stretch
   services:
     - mariadb:10.1
@@ -80,7 +80,7 @@ zero-2018:clang-3.9:
 pre_re:clang-4.0:
   <<: *branch_exceptions
   <<: *prerequisites
-  stage: secondary
+  stage: primary
   image: debian:stretch
   services:
     - mariadb:10.1
@@ -95,7 +95,7 @@ pre_re:clang-4.0:
 re:clang-4.0:
   <<: *branch_exceptions
   <<: *prerequisites
-  stage: secondary
+  stage: primary
   image: debian:stretch
   services:
     - mariadb:10.1
@@ -194,8 +194,8 @@ zero-2018:clang-5.0:
 pre_re:clang-6.0:
   <<: *branch_exceptions
   <<: *prerequisites
-  stage: primary
-  image: debian:unstable
+  stage: secondary
+  image: debian:buster
   services:
     - mariadb:10
   variables:
@@ -209,8 +209,8 @@ pre_re:clang-6.0:
 re:clang-6.0:
   <<: *branch_exceptions
   <<: *prerequisites
-  stage: primary
-  image: debian:unstable
+  stage: secondary
+  image: debian:buster
   services:
     - mariadb:10
   variables:
@@ -225,7 +225,7 @@ zero-2018:clang-6.0:
   <<: *branch_exceptions
   <<: *prerequisites
   stage: clients
-  image: debian:unstable
+  image: debian:buster
   services:
     - mariadb:10
   variables:
@@ -239,8 +239,8 @@ zero-2018:clang-6.0:
 pre_re:clang-7:
   <<: *branch_exceptions
   <<: *prerequisites
-  stage: secondary
-  image: debian:unstable
+  stage: primary
+  image: debian:buster
   services:
     - mariadb:10
   variables:
@@ -254,8 +254,8 @@ pre_re:clang-7:
 re:clang-7:
   <<: *branch_exceptions
   <<: *prerequisites
-  stage: secondary
-  image: debian:unstable
+  stage: primary
+  image: debian:buster
   services:
     - mariadb:10
   variables:
@@ -270,7 +270,7 @@ zero-2018:clang-7:
   <<: *branch_exceptions
   <<: *prerequisites
   stage: clients
-  image: debian:unstable
+  image: debian:buster
   services:
     - mariadb:10
   variables:
@@ -281,6 +281,51 @@ zero-2018:clang-7:
     - ./tools/ci/travis.sh build CC=clang-7 --enable-debug --enable-Werror --enable-buildbot --enable-packetver-zero --enable-packetver=20180511
     - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
 
+pre_re:clang-8:
+  <<: *branch_exceptions
+  <<: *prerequisites
+  stage: secondary
+  image: debian:unstable
+  services:
+    - mariadb:10
+  variables:
+    <<: *base_vars
+    INSTALL_PACKAGES: clang-8 mariadb-client libmariadbclient-dev-compat
+    SQLHOST: mariadb
+  script:
+    - ./tools/ci/travis.sh build CC=clang-8 --enable-debug --enable-Werror --enable-buildbot --disable-renewal
+    - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
+
+re:clang-8:
+  <<: *branch_exceptions
+  <<: *prerequisites
+  stage: secondary
+  image: debian:unstable
+  services:
+    - mariadb:10
+  variables:
+    <<: *base_vars
+    INSTALL_PACKAGES: clang-8 mariadb-client libmariadbclient-dev-compat
+    SQLHOST: mariadb
+  script:
+    - ./tools/ci/travis.sh build CC=clang-8 --enable-debug --enable-Werror --enable-buildbot
+    - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
+
+zero-2018:clang-8:
+  <<: *branch_exceptions
+  <<: *prerequisites
+  stage: clients
+  image: debian:unstable
+  services:
+    - mariadb:10
+  variables:
+    <<: *base_vars
+    INSTALL_PACKAGES: clang-8 mariadb-client libmariadbclient-dev-compat
+    SQLHOST: mariadb
+  script:
+    - ./tools/ci/travis.sh build CC=clang-8 --enable-debug --enable-Werror --enable-buildbot --enable-packetver-zero --enable-packetver=20180511
+    - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
+
 pre_re:gcc-4.8:
   <<: *branch_exceptions
   <<: *prerequisites
@@ -329,7 +374,7 @@ zero-2018:gcc-4.8:
 pre_re:gcc-4.9:
   <<: *branch_exceptions
   <<: *prerequisites
-  stage: primary
+  stage: secondary
   image: debian:jessie
   services:
     - mysql:5.5
@@ -344,7 +389,7 @@ pre_re:gcc-4.9:
 re:gcc-4.9:
   <<: *branch_exceptions
   <<: *prerequisites
-  stage: primary
+  stage: secondary
   image: debian:jessie
   services:
     - mysql:5.5
@@ -420,7 +465,7 @@ pre_re:gcc-7:
   <<: *branch_exceptions
   <<: *prerequisites
   stage: secondary
-  image: debian:unstable
+  image: debian:buster
   services:
     - mariadb:10
   variables:
@@ -435,7 +480,7 @@ re:gcc-7:
   <<: *branch_exceptions
   <<: *prerequisites
   stage: secondary
-  image: debian:unstable
+  image: debian:buster
   services:
     - mariadb:10
   variables:
@@ -450,7 +495,7 @@ zero-2018:gcc-7:
   <<: *branch_exceptions
   <<: *prerequisites
   stage: clients
-  image: debian:unstable
+  image: debian:buster
   services:
     - mariadb:10
   variables:
@@ -464,8 +509,8 @@ zero-2018:gcc-7:
 pre_re:gcc-8:
   <<: *branch_exceptions
   <<: *prerequisites
-  stage: secondary
-  image: debian:unstable
+  stage: primary
+  image: debian:buster
   services:
     - mariadb:10
   variables:
@@ -479,8 +524,8 @@ pre_re:gcc-8:
 re:gcc-8:
   <<: *branch_exceptions
   <<: *prerequisites
-  stage: secondary
-  image: debian:unstable
+  stage: primary
+  image: debian:buster
   services:
     - mariadb:10
   variables:
@@ -495,7 +540,7 @@ zero-2018:gcc-8:
   <<: *branch_exceptions
   <<: *prerequisites
   stage: clients
-  image: debian:unstable
+  image: debian:buster
   services:
     - mariadb:10
   variables:
@@ -506,179 +551,179 @@ zero-2018:gcc-8:
     - ./tools/ci/travis.sh build CC=gcc-8 --enable-debug --enable-Werror --enable-buildbot --enable-packetver-zero --enable-packetver=20180511
     - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
 
-pre_re:gcc-6_i386:
+pre_re:gcc-8_i386:
   <<: *branch_exceptions
   <<: *prerequisites
   stage: primary
   image: i386/debian:stable
   services:
-    - mariadb:10.1
+    - mariadb:10
   variables:
     <<: *base_vars
-    INSTALL_PACKAGES: gcc-6 mariadb-client libmariadbclient-dev-compat
+    INSTALL_PACKAGES: gcc-8 mariadb-client libmariadbclient-dev-compat
     SQLHOST: mariadb
   script:
-    - ./tools/ci/travis.sh build CC=gcc-6 --enable-debug --enable-Werror --enable-buildbot --disable-renewal
+    - ./tools/ci/travis.sh build CC=gcc-8 --enable-debug --enable-Werror --enable-buildbot --disable-renewal
     - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
 
-re:gcc-6_i386:
+re:gcc-8_i386:
   <<: *branch_exceptions
   <<: *prerequisites
   stage: primary
   image: i386/debian:stable
   services:
-    - mariadb:10.1
+    - mariadb:10
   variables:
     <<: *base_vars
-    INSTALL_PACKAGES: gcc-6 mariadb-client libmariadbclient-dev-compat
+    INSTALL_PACKAGES: gcc-8 mariadb-client libmariadbclient-dev-compat
     SQLHOST: mariadb
   script:
-    - ./tools/ci/travis.sh build CC=gcc-6 --enable-debug --enable-Werror --enable-buildbot
+    - ./tools/ci/travis.sh build CC=gcc-8 --enable-debug --enable-Werror --enable-buildbot
     - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
 
-zero-2018:gcc-6_i386:
+zero-2018:gcc-8_i386:
   <<: *branch_exceptions
   <<: *prerequisites
   stage: clients
   image: i386/debian:stable
   services:
-    - mariadb:10.1
+    - mariadb:10
   variables:
     <<: *base_vars
-    INSTALL_PACKAGES: gcc-6 mariadb-client libmariadbclient-dev-compat
+    INSTALL_PACKAGES: gcc-8 mariadb-client libmariadbclient-dev-compat
     SQLHOST: mariadb
   script:
-    - ./tools/ci/travis.sh build CC=gcc-6 --enable-debug --enable-Werror --enable-buildbot --enable-packetver-zero --enable-packetver=20180511
+    - ./tools/ci/travis.sh build CC=gcc-8 --enable-debug --enable-Werror --enable-buildbot --enable-packetver-zero --enable-packetver=20180511
     - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
 
-pre_re:gcc-6_sanitize:
+pre_re:gcc-8_sanitize:
   <<: *branch_exceptions
   <<: *prerequisites
   stage: secondary
-  image: debian:stretch
+  image: debian:stable
   services:
-    - mariadb:10.1
+    - mariadb:10
   variables:
     <<: *base_vars
-    INSTALL_PACKAGES: gcc-6 mariadb-client libmariadbclient-dev-compat
+    INSTALL_PACKAGES: gcc-8 mariadb-client libmariadbclient-dev-compat
     SQLHOST: mariadb
   script:
-    - ./tools/ci/travis.sh build CC=gcc-6 --enable-debug --enable-Werror --enable-buildbot --disable-renewal --disable-manager --enable-sanitize=full
+    - ./tools/ci/travis.sh build CC=gcc-8 --enable-debug --enable-Werror --enable-buildbot --disable-renewal --disable-manager --enable-sanitize=full
     - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
 
-re:gcc-6_sanitize:
+re:gcc-8_sanitize:
   <<: *branch_exceptions
   <<: *prerequisites
   stage: secondary
-  image: debian:stretch
+  image: debian:stable
   services:
-    - mariadb:10.1
+    - mariadb:10
   variables:
     <<: *base_vars
-    INSTALL_PACKAGES: gcc-6 mariadb-client libmariadbclient-dev-compat
+    INSTALL_PACKAGES: gcc-8 mariadb-client libmariadbclient-dev-compat
     SQLHOST: mariadb
   script:
-    - ./tools/ci/travis.sh build CC=gcc-6 --enable-debug --enable-Werror --enable-buildbot --disable-manager --enable-sanitize=full
+    - ./tools/ci/travis.sh build CC=gcc-8 --enable-debug --enable-Werror --enable-buildbot --disable-manager --enable-sanitize=full
     - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
 
-zero-2018:gcc-6_sanitize:
+zero-2018:gcc-8_sanitize:
   <<: *branch_exceptions
   <<: *prerequisites
   stage: clients
-  image: debian:stretch
+  image: debian:stable
   services:
-    - mariadb:10.1
+    - mariadb:10
   variables:
     <<: *base_vars
-    INSTALL_PACKAGES: gcc-6 mariadb-client libmariadbclient-dev-compat
+    INSTALL_PACKAGES: gcc-8 mariadb-client libmariadbclient-dev-compat
     SQLHOST: mariadb
   script:
-    - ./tools/ci/travis.sh build CC=gcc-6 --enable-debug --enable-Werror --enable-buildbot --disable-manager --enable-sanitize=full --enable-packetver-zero --enable-packetver=20180511
+    - ./tools/ci/travis.sh build CC=gcc-8 --enable-debug --enable-Werror --enable-buildbot --disable-manager --enable-sanitize=full --enable-packetver-zero --enable-packetver=20180511
     - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
 
-pre_re:gcc-6_i386_sanitize:
+pre_re:gcc-8_i386_sanitize:
   <<: *branch_exceptions
   <<: *prerequisites
   stage: secondary
   image: i386/debian:stable
   services:
-    - mariadb:10.1
+    - mariadb:10
   variables:
     <<: *base_vars
-    INSTALL_PACKAGES: gcc-6 mariadb-client libmariadbclient-dev-compat
+    INSTALL_PACKAGES: gcc-8 mariadb-client libmariadbclient-dev-compat
     SQLHOST: mariadb
   script:
-    - ./tools/ci/travis.sh build CC=gcc-6 --enable-debug --enable-Werror --enable-buildbot --disable-renewal --disable-manager --enable-sanitize=full
+    - ./tools/ci/travis.sh build CC=gcc-8 --enable-debug --enable-Werror --enable-buildbot --disable-renewal --disable-manager --enable-sanitize=full
     - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
 
-re:gcc-6_i386_sanitize:
+re:gcc-8_i386_sanitize:
   <<: *branch_exceptions
   <<: *prerequisites
   stage: secondary
   image: i386/debian:stable
   services:
-    - mariadb:10.1
+    - mariadb:10
   variables:
     <<: *base_vars
-    INSTALL_PACKAGES: gcc-6 mariadb-client libmariadbclient-dev-compat
+    INSTALL_PACKAGES: gcc-8 mariadb-client libmariadbclient-dev-compat
     SQLHOST: mariadb
   script:
-    - ./tools/ci/travis.sh build CC=gcc-6 --enable-debug --enable-Werror --enable-buildbot --disable-manager --enable-sanitize=full
+    - ./tools/ci/travis.sh build CC=gcc-8 --enable-debug --enable-Werror --enable-buildbot --disable-manager --enable-sanitize=full
     - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
 
-zero-2018:gcc-6_i386_sanitize:
+zero-2018:gcc-8_i386_sanitize:
   <<: *branch_exceptions
   <<: *prerequisites
   stage: clients
   image: i386/debian:stable
   services:
-    - mariadb:10.1
+    - mariadb:10
   variables:
     <<: *base_vars
-    INSTALL_PACKAGES: gcc-6 mariadb-client libmariadbclient-dev-compat
+    INSTALL_PACKAGES: gcc-8 mariadb-client libmariadbclient-dev-compat
     SQLHOST: mariadb
   script:
-    - ./tools/ci/travis.sh build CC=gcc-6 --enable-debug --enable-Werror --enable-buildbot --disable-manager --enable-sanitize=full --enable-packetver-zero --enable-packetver=20180511
+    - ./tools/ci/travis.sh build CC=gcc-8 --enable-debug --enable-Werror --enable-buildbot --disable-manager --enable-sanitize=full --enable-packetver-zero --enable-packetver=20180511
     - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
 
-pre_re:gcc-6_cov:
+pre_re:gcc-8_cov:
   <<: *branch_exceptions
   <<: *prerequisites
   stage: secondary
-  image: debian:stretch
+  image: debian:buster
   services:
-    - mariadb:10.1
+    - mariadb:10
   variables:
     <<: *base_vars
-    INSTALL_PACKAGES: gcc-6 gcovr mariadb-client libmariadbclient-dev-compat
+    INSTALL_PACKAGES: gcc-8 gcovr mariadb-client libmariadbclient-dev-compat
     SQLHOST: mariadb
   script:
-    - ./tools/ci/travis.sh build CC=gcc-6 --enable-debug --enable-Werror --enable-buildbot --disable-renewal CFLAGS="-coverage" LDFLAGS="-coverage"
+    - ./tools/ci/travis.sh build CC=gcc-8 --enable-debug --enable-Werror --enable-buildbot --disable-renewal CFLAGS="-coverage" LDFLAGS="-coverage"
     - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
-    - gcovr -r . --gcov-executable=gcov-6 -o gcov_pre.txt
-    - gcovr -r . --gcov-executable=gcov-6 --html -o gcov_pre.html
+    - gcovr -r . --gcov-executable=gcov-8 -o gcov_pre.txt
+    - gcovr -r . --gcov-executable=gcov-8 --html -o gcov_pre.html
     - cat gcov_pre.txt
   artifacts:
     paths:
       - gcov_pre.*
     when: on_success
 
-re:gcc-6_cov:
+re:gcc-8_cov:
   <<: *branch_exceptions
   <<: *prerequisites
   stage: secondary
-  image: debian:stretch
+  image: debian:buster
   services:
-    - mariadb:10.1
+    - mariadb:10
   variables:
     <<: *base_vars
-    INSTALL_PACKAGES: gcc-6 gcovr mariadb-client libmariadbclient-dev-compat
+    INSTALL_PACKAGES: gcc-8 gcovr mariadb-client libmariadbclient-dev-compat
     SQLHOST: mariadb
   script:
-    - ./tools/ci/travis.sh build CC=gcc-6 --enable-debug --enable-Werror --enable-buildbot CFLAGS="-coverage" LDFLAGS="-coverage"
+    - ./tools/ci/travis.sh build CC=gcc-8 --enable-debug --enable-Werror --enable-buildbot CFLAGS="-coverage" LDFLAGS="-coverage"
     - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
-    - gcovr -r . --gcov-executable=gcov-6 -o gcov_re.txt
-    - gcovr -r . --gcov-executable=gcov-6 --html -o gcov_re.html
+    - gcovr -r . --gcov-executable=gcov-8 -o gcov_re.txt
+    - gcovr -r . --gcov-executable=gcov-8 --html -o gcov_re.html
     - cat gcov_re.txt
   artifacts:
     paths:
@@ -693,11 +738,11 @@ pre_re:debian-oldstable:
   stage: platforms
   image: debian:oldstable
   services:
-    - mysql:5.5
+    - mariadb:10.1
   variables:
     <<: *base_vars
-    INSTALL_PACKAGES: gcc mysql-client libmysqlclient-dev
-    SQLHOST: mysql
+    INSTALL_PACKAGES: gcc mariadb-client libmariadbclient-dev-compat
+    SQLHOST: mariadb
   script:
     - ./tools/ci/travis.sh build --enable-debug --enable-Werror --enable-buildbot --disable-renewal
     - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
@@ -708,11 +753,11 @@ re:debian-oldstable:
   stage: platforms
   image: debian:oldstable
   services:
-    - mysql:5.5
+    - mariadb:10.1
   variables:
     <<: *base_vars
-    INSTALL_PACKAGES: gcc mysql-client libmysqlclient-dev
-    SQLHOST: mysql
+    INSTALL_PACKAGES: gcc mariadb-client libmariadbclient-dev-compat
+    SQLHOST: mariadb
   script:
     - ./tools/ci/travis.sh build --enable-debug --enable-Werror --enable-buildbot
     - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
@@ -723,7 +768,7 @@ pre_re:debian-stable:
   stage: platforms
   image: debian:stable
   services:
-    - mariadb:10.1
+    - mariadb:10.3
   variables:
     <<: *base_vars
     INSTALL_PACKAGES: gcc mariadb-client libmariadbclient-dev-compat
@@ -738,7 +783,7 @@ re:debian-stable:
   stage: platforms
   image: debian:stable
   services:
-    - mariadb:10.1
+    - mariadb:10.3
   variables:
     <<: *base_vars
     INSTALL_PACKAGES: gcc mariadb-client libmariadbclient-dev-compat
@@ -753,7 +798,7 @@ pre_re:debian-testing:
   stage: platforms
   image: debian:testing
   services:
-    - mariadb:10.1
+    - mariadb:10.3
   variables:
     <<: *base_vars
     INSTALL_PACKAGES: gcc mariadb-client libmariadbclient-dev-compat
@@ -768,7 +813,7 @@ re:debian-testing:
   stage: platforms
   image: debian:testing
   services:
-    - mariadb:10.1
+    - mariadb:10.3
   variables:
     <<: *base_vars
     INSTALL_PACKAGES: gcc mariadb-client libmariadbclient-dev-compat
@@ -1045,7 +1090,7 @@ pre_re:mariadb-10.1:
   <<: *branch_exceptions
   <<: *prerequisites
   stage: platforms
-  image: debian:stable
+  image: debian:stretch
   services:
     - mariadb:10.1
   variables:
@@ -1060,7 +1105,7 @@ re:mariadb-10.1:
   <<: *branch_exceptions
   <<: *prerequisites
   stage: platforms
-  image: debian:stable
+  image: debian:stretch
   services:
     - mariadb:10.1
   variables:
@@ -1071,6 +1116,36 @@ re:mariadb-10.1:
     - ./tools/ci/travis.sh build --enable-debug --enable-Werror --enable-buildbot
     - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
 
+pre_re:mariadb-10.3:
+  <<: *branch_exceptions
+  <<: *prerequisites
+  stage: platforms
+  image: debian:buster
+  services:
+    - mariadb:10.3
+  variables:
+    <<: *base_vars
+    INSTALL_PACKAGES: gcc mariadb-client-10.3 libmariadbclient-dev-compat
+    SQLHOST: mariadb
+  script:
+    - ./tools/ci/travis.sh build --enable-debug --enable-Werror --enable-buildbot --disable-renewal
+    - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
+
+re:mariadb-10.3:
+  <<: *branch_exceptions
+  <<: *prerequisites
+  stage: platforms
+  image: debian:buster
+  services:
+    - mariadb:10.3
+  variables:
+    <<: *base_vars
+    INSTALL_PACKAGES: gcc mariadb-client-10.3 libmariadbclient-dev-compat
+    SQLHOST: mariadb
+  script:
+    - ./tools/ci/travis.sh build --enable-debug --enable-Werror --enable-buildbot
+    - ./tools/ci/travis.sh test ragnarok ragnarok ragnarok $SQLHOST
+
 pre_re:mariadb-latest:
   <<: *branch_exceptions
   <<: *prerequisites
@@ -1150,8 +1225,8 @@ pages:
     - mv gcov_*.* public/
     - cp tools/doxygen/pages_index.html public/index.html
   dependencies:
-    - re:gcc-6_cov
-    - pre_re:gcc-6_cov
+    - re:gcc-8_cov
+    - pre_re:gcc-8_cov
   artifacts:
     paths:
       - public
diff --git a/configure b/configure
index 65e716b09..957398296 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.ac 20c3ecff9.
+# From configure.ac 76896e850.
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.69.
 #
@@ -7986,6 +7986,94 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
 
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-array-bounds" >&5
+$as_echo_n "checking whether $CC supports -Wno-array-bounds... " >&6; }
+		OLD_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -Werror -Wno-array-bounds"
+		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+				# Recent versions of gcc don't fail if -Wno-foo is not recognized
+				# (unless there are also other warnings), so we also check for -Wfoo
+				# which always fails if not supported
+				CFLAGS="$OLD_CFLAGS -Werror -Warray-bounds"
+				cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+						CFLAGS="$OLD_CFLAGS -Wno-array-bounds"
+						# Optionally, run a test
+						if test "x" != "x"; then
+							{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wno-array-bounds" >&5
+$as_echo_n "checking whether $CC can actually use -Wno-array-bounds... " >&6; }
+							CFLAGS="$OLD_CFLAGS -Werror -Warray-bounds"
+							cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+									{ $as_echo "$as_me:${as_lineno-$LINENO}: result: not needed but enabled" >&5
+$as_echo "not needed but enabled" >&6; }
+									CFLAGS="$OLD_CFLAGS"
+
+else
+
+									CFLAGS="$OLD_CFLAGS -Werror -Wno-array-bounds"
+									cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+											{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+											CFLAGS="$OLD_CFLAGS -Wno-array-bounds"
+
+else
+
+											{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+											CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+						fi
+
+else
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+						CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+else
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+				CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
 # Certain versions of gcc make -Wshadow completely useless by making it flood
 # you with unnecessary warnings <https://lkml.org/lkml/2006/11/28/239>
 # Let's check if we can really use it
diff --git a/configure.ac b/configure.ac
index ec9e35cfe..cbb9a5c46 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1090,6 +1090,7 @@ AC_CHECK_COMPILER_WNOFLAG(format-nonliteral)
 AC_CHECK_COMPILER_WNOFLAG(switch)
 AC_CHECK_COMPILER_WNOFLAG(missing-field-initializers)
 AC_CHECK_COMPILER_WNOFLAG(suggest-attribute=format)
+AC_CHECK_COMPILER_WNOFLAG(array-bounds)
 
 # Certain versions of gcc make -Wshadow completely useless by making it flood
 # you with unnecessary warnings <https://lkml.org/lkml/2006/11/28/239>
diff --git a/src/common/HPM.c b/src/common/HPM.c
index a579a0926..479135767 100644
--- a/src/common/HPM.c
+++ b/src/common/HPM.c
@@ -458,11 +458,12 @@ static bool hplugins_addconf(unsigned int pluginID, enum HPluginConfType type, c
 
 static struct hplugin *hplugin_load(const char *filename)
 {
+	typedef void *(ImportSymbolFunc)(char *, unsigned int);
 	struct hplugin *plugin;
 	struct hplugin_info *info;
 	struct HPMi_interface **HPMi;
 	bool anyEvent = false;
-	void **import_symbol_ref;
+	ImportSymbolFunc **import_symbol_ref;
 	int *HPMDataCheckVer;
 	unsigned int *HPMDataCheckLen;
 	struct s_HPMDataCheck *HPMDataCheck;
@@ -499,7 +500,7 @@ static struct hplugin *hplugin_load(const char *filename)
 	plugin->info = info;
 	plugin->filename = aStrdup(filename);
 
-	if( !( import_symbol_ref = plugin_import(plugin->dll, "import_symbol",void **) ) ) {
+	if ((import_symbol_ref = plugin_import(plugin->dll, "import_symbol", ImportSymbolFunc **)) == NULL) {
 		ShowFatalError("HPM:plugin_load: failed to retrieve 'import_symbol' for '"CL_WHITE"%s"CL_RESET"'!\n", filename);
 		exit(EXIT_FAILURE);
 	}
diff --git a/src/map/log.c b/src/map/log.c
index 5bbca02a9..aa2f5f8f3 100644
--- a/src/map/log.c
+++ b/src/map/log.c
@@ -511,7 +511,7 @@ static void log_sql_final(void)
 /**
  * Initializes logs->config variables
  */
-void log_set_defaults(void)
+static void log_set_defaults(void)
 {
 	memset(&logs->config, 0, sizeof(logs->config));
 
@@ -540,7 +540,7 @@ void log_set_defaults(void)
  *
  * @retval false in case of error.
  */
-bool log_config_read_database(const char *filename, struct config_t *config, bool imported)
+static bool log_config_read_database(const char *filename, struct config_t *config, bool imported)
 {
 	struct config_setting_t *setting = NULL;
 
@@ -596,7 +596,7 @@ bool log_config_read_database(const char *filename, struct config_t *config, boo
  *
  * @retval false in case of error.
  */
-bool log_config_read_filter_item(const char *filename, struct config_t *config, bool imported)
+static bool log_config_read_filter_item(const char *filename, struct config_t *config, bool imported)
 {
 	struct config_setting_t *setting = NULL;
 
@@ -625,7 +625,7 @@ bool log_config_read_filter_item(const char *filename, struct config_t *config,
  *
  * @retval false in case of error.
  */
-bool log_config_read_filter_chat(const char *filename, struct config_t *config, bool imported)
+static bool log_config_read_filter_chat(const char *filename, struct config_t *config, bool imported)
 {
 	struct config_setting_t *setting = NULL;
 
@@ -651,7 +651,7 @@ bool log_config_read_filter_chat(const char *filename, struct config_t *config,
  *
  * @retval false in case of error.
  */
-bool log_config_read_filter(const char *filename, struct config_t *config, bool imported)
+static bool log_config_read_filter(const char *filename, struct config_t *config, bool imported)
 {
 	bool retval = true;
 
@@ -674,7 +674,7 @@ bool log_config_read_filter(const char *filename, struct config_t *config, bool
  *
  * @retval false in case of error.
  */
-bool log_config_read(const char *filename, bool imported)
+static bool log_config_read(const char *filename, bool imported)
 {
 	struct config_t config;
 	struct config_setting_t *setting = NULL;
@@ -755,7 +755,7 @@ bool log_config_read(const char *filename, bool imported)
 	return retval;
 }
 
-void log_config_complete(void)
+static void log_config_complete(void)
 {
 	if( logs->config.sql_logs ) {
 		logs->pick_sub = log_pick_sub_sql;
diff --git a/src/map/script.c b/src/map/script.c
index c7ec3c26f..df6e0d329 100644
--- a/src/map/script.c
+++ b/src/map/script.c
@@ -105,7 +105,7 @@ static inline void SETVALUE(struct script_buf *buf, int i, int n)
 	VECTOR_INDEX(*buf, i+2) = GetByte(n, 2);
 }
 
-const char *script_op2name(int op)
+static const char *script_op2name(int op)
 {
 #define RETURN_OP_NAME(type) case type: return #type
 	switch( op ) {
diff --git a/src/map/skill.c b/src/map/skill.c
index 4b6ab7d0d..ad27ef0e3 100644
--- a/src/map/skill.c
+++ b/src/map/skill.c
@@ -82,7 +82,7 @@
 #endif
 
 static struct skill_interface skill_s;
-struct s_skill_dbs skilldbs;
+static struct s_skill_dbs skilldbs;
 
 struct skill_interface *skill;
 
diff --git a/src/map/status.c b/src/map/status.c
index ba32b267e..71cce28c5 100644
--- a/src/map/status.c
+++ b/src/map/status.c
@@ -11808,10 +11808,10 @@ static int status_change_timer(int tid, int64 tick, int id, intptr_t data)
 
 		case SC_SPLASHER:
 #if 0 // custom Venom Splasher countdown timer
-			if (sce->val4 % 1000 == 0) {
+			if (sce->val4 % 1000 == 0 && bl && bl->type == BL_PC) {
 				char counter[10];
 				snprintf (counter, 10, "%d", sce->val4/1000);
-				clif->message(bl, counter);
+				clif->message(BL_UCCAST(BL_PC, bl)->fd, counter);
 			}
 #endif // 0
 			if((sce->val4 -= 500) > 0) {