Use same gcc6 warning flags for build scripts and ci.

8 files changed, 10 insertions, 318 deletions

diff --git a/build/bmake b/build/bmake
index 83ab1c35a..b18d757ec 100755
--- a/build/bmake
+++ b/build/bmake
@@ -16,7 +16,7 @@ export CXXFLAGS="-pedantic -ggdb3 -O3 -pipe -ffast-math \
 -std=gnu++1z \
 -fno-var-tracking -Wno-attributes"
 
-source ./build/gcc6flags.sh
+source ./tools/ci/flags/gcc6.sh
 
 autoreconf -i
 cd build/tmp
diff --git a/build/bmakedebug b/build/bmakedebug
index 0ee9af5b2..e669916e1 100755
--- a/build/bmakedebug
+++ b/build/bmakedebug
@@ -23,7 +23,7 @@ export CXXFLAGS="-pedantic -ggdb3 -O3 -pipe -ffast-math \
 -std=gnu++1z \
 -fno-var-tracking -Wno-attributes"
 
-source ./build/gcc6flags.sh
+source ./tools/ci/flags/gcc6.sh
 
 autoreconf -i
 cd build/tmp
diff --git a/build/bmakedebugsdl2 b/build/bmakedebugsdl2
index 5c278c6ab..943a35534 100755
--- a/build/bmakedebugsdl2
+++ b/build/bmakedebugsdl2
@@ -22,7 +22,7 @@ export CXXFLAGS="-pedantic -ggdb3 -O3 -pipe -ffast-math \
 -std=gnu++1z \
 -fno-var-tracking -Wno-attributes"
 
-source ./build/gcc6flags.sh
+source ./tools/ci/flags/gcc6.sh
 
 autoreconf -i
 cd build/tmp
diff --git a/build/bmakespeed b/build/bmakespeed
index ba9924a86..fa07b969f 100755
--- a/build/bmakespeed
+++ b/build/bmakespeed
@@ -18,7 +18,7 @@ export CXXFLAGS="-pedantic -ggdb3 -O5 -pipe -ffast-math \
 -std=gnu++1z \
 -fno-var-tracking -Wno-attributes"
 
-source ./build/gcc6flags.sh
+source ./tools/ci/flags/gcc6.sh
 
 autoreconf -i
 cd build/tmp
diff --git a/build/bmaketest b/build/bmaketest
index 6deff7d4c..7884bd73f 100755
--- a/build/bmaketest
+++ b/build/bmaketest
@@ -14,7 +14,7 @@ export CXXFLAGS="-pedantic -ggdb3 -O3 -pipe -ffast-math \
 -std=gnu++1z \
 -fno-var-tracking -Wno-attributes"
 
-source ./build/gcc6flags.sh
+source ./tools/ci/flags/gcc6.sh
 
 autoreconf -i
 ./configure --prefix=$dir/run \
diff --git a/build/bmaketestsimd b/build/bmaketestsimd
index 6f4066862..2e4d46a08 100755
--- a/build/bmaketestsimd
+++ b/build/bmaketestsimd
@@ -17,7 +17,7 @@ export CXXFLAGS="-pedantic -ggdb3 -O5 -pipe -Wstrict-aliasing=2 \
 -std=gnu++1z -Wformat=1 \
 -fno-var-tracking -Wno-attributes"
 
-source ./build/gcc6flags.sh
+source ./tools/ci/flags/gcc6.sh
 
 autoreconf -i
 ./configure --prefix=$dir/run \
diff --git a/build/gcc6flags.sh b/build/gcc6flags.sh
deleted file mode 100755
index 94e0cf6e4..000000000
--- a/build/gcc6flags.sh
+++ /dev/null
@@ -1,307 +0,0 @@
-#!/bin/bash
-
-#export CXXFLAGS="${CXXFLAGS} --all-warnings"
-#export CXXFLAGS="${CXXFLAGS} --extra-warnings"
-export CXXFLAGS="${CXXFLAGS} -W"
-export CXXFLAGS="${CXXFLAGS} -Wabi"
-# ignoring
-#export CXXFLAGS="${CXXFLAGS} -Wabi-tag"
-#export CXXFLAGS="${CXXFLAGS} -Wabi="
-export CXXFLAGS="${CXXFLAGS} -Waddress"
-# +++ ignoring. may be can be fixed?
-#export CXXFLAGS="${CXXFLAGS} -Waggregate-return"
-export CXXFLAGS="${CXXFLAGS} -Waggressive-loop-optimizations"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Waliasing"
-#export CXXFLAGS="${CXXFLAGS} -Walign-commons"
-export CXXFLAGS="${CXXFLAGS} -Wall"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wampersand"
-export CXXFLAGS="${CXXFLAGS} -Warray-bounds"
-# +++ need try it
-export CXXFLAGS="${CXXFLAGS} -Warray-bounds=2"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Warray-temporaries"
-#export CXXFLAGS="${CXXFLAGS} -Wassign-intercept"
-# show warnings for padding
-#export CXXFLAGS="${CXXFLAGS} -Wattributes"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wbad-function-cast"
-export CXXFLAGS="${CXXFLAGS} -Wbool-compare"
-export CXXFLAGS="${CXXFLAGS} -Wbuiltin-macro-redefined"
-#export CXXFLAGS="${CXXFLAGS} -Wc++-compat"
-#export CXXFLAGS="${CXXFLAGS} -Wc++0x-compat"
-#export CXXFLAGS="${CXXFLAGS} -Wc++11-compat"
-export CXXFLAGS="${CXXFLAGS} -Wc++14-compat"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wc-binding-type"
-#export CXXFLAGS="${CXXFLAGS} -Wc90-c99-compat"
-#export CXXFLAGS="${CXXFLAGS} -Wc99-c11-compat"
-export CXXFLAGS="${CXXFLAGS} -Wcast-align"
-export CXXFLAGS="${CXXFLAGS} -Wcast-qual"
-export CXXFLAGS="${CXXFLAGS} -Wchar-subscripts"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wcharacter-truncation"
-export CXXFLAGS="${CXXFLAGS} -Wchkp"
-export CXXFLAGS="${CXXFLAGS} -Wclobbered"
-export CXXFLAGS="${CXXFLAGS} -Wcomment"
-export CXXFLAGS="${CXXFLAGS} -Wcomments"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wcompare-reals"
-export CXXFLAGS="${CXXFLAGS} -Wconditionally-supported"
-# +++ need fix in future
-#export CXXFLAGS="${CXXFLAGS} -Wconversion"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wconversion-extra"
-export CXXFLAGS="${CXXFLAGS} -Wconversion-null"
-export CXXFLAGS="${CXXFLAGS} -Wcoverage-mismatch"
-export CXXFLAGS="${CXXFLAGS} -Wcpp"
-export CXXFLAGS="${CXXFLAGS} -Wctor-dtor-privacy"
-export CXXFLAGS="${CXXFLAGS} -Wdate-time"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wdeclaration-after-statement"
-export CXXFLAGS="${CXXFLAGS} -Wdelete-incomplete"
-export CXXFLAGS="${CXXFLAGS} -Wdelete-non-virtual-dtor"
-export CXXFLAGS="${CXXFLAGS} -Wdeprecated"
-export CXXFLAGS="${CXXFLAGS} -Wdeprecated-declarations"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wdesignated-init"
-export CXXFLAGS="${CXXFLAGS} -Wdisabled-optimization"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wdiscarded-array-qualifiers"
-#export CXXFLAGS="${CXXFLAGS} -Wdiscarded-qualifiers"
-export CXXFLAGS="${CXXFLAGS} -Wdiv-by-zero"
-# +++ need fix in future
-#export CXXFLAGS="${CXXFLAGS} -Wdouble-promotion"
-export CXXFLAGS="${CXXFLAGS} -Wduplicated-cond"
-# +++ too many warnings. may be used some times
-#export CXXFLAGS="${CXXFLAGS} -Weffc++"
-export CXXFLAGS="${CXXFLAGS} -Wempty-body"
-export CXXFLAGS="${CXXFLAGS} -Wendif-labels"
-export CXXFLAGS="${CXXFLAGS} -Wenum-compare"
-export CXXFLAGS="${CXXFLAGS} -Werror-implicit-function-declaration"
-export CXXFLAGS="${CXXFLAGS} -Wextra"
-# +++ need fix in future
-#export CXXFLAGS="${CXXFLAGS} -Wfloat-conversion"
-# +++ need fix in future
-#export CXXFLAGS="${CXXFLAGS} -Wfloat-equal"
-export CXXFLAGS="${CXXFLAGS} -Wformat=1"
-export CXXFLAGS="${CXXFLAGS} -Wformat-contains-nul"
-export CXXFLAGS="${CXXFLAGS} -Wformat-extra-args"
-# +++ ignoring. probably need use some times
-#export CXXFLAGS="${CXXFLAGS} -Wformat-nonliteral"
-export CXXFLAGS="${CXXFLAGS} -Wformat-security"
-export CXXFLAGS="${CXXFLAGS} -Wformat-signedness"
-export CXXFLAGS="${CXXFLAGS} -Wformat-y2k"
-export CXXFLAGS="${CXXFLAGS} -Wformat-zero-length"
-#export CXXFLAGS="${CXXFLAGS} -Wformat="
-export CXXFLAGS="${CXXFLAGS} -Wframe-address"
-#export CXXFLAGS="${CXXFLAGS} -Wframe-larger-than=<number>"
-export CXXFLAGS="${CXXFLAGS} -Wfree-nonheap-object"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wfunction-elimination"
-export CXXFLAGS="${CXXFLAGS} -Whsa"
-export CXXFLAGS="${CXXFLAGS} -Wignored-qualifiers"
-export CXXFLAGS="${CXXFLAGS} -Wignored-attributes"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wimplicit"
-#export CXXFLAGS="${CXXFLAGS} -Wimplicit-function-declaration"
-#export CXXFLAGS="${CXXFLAGS} -Wimplicit-int"
-#export CXXFLAGS="${CXXFLAGS} -Wimplicit-interface"
-#export CXXFLAGS="${CXXFLAGS} -Wimplicit-procedure"
-#export CXXFLAGS="${CXXFLAGS} -Wincompatible-pointer-types"
-export CXXFLAGS="${CXXFLAGS} -Winherited-variadic-ctor"
-export CXXFLAGS="${CXXFLAGS} -Winit-self"
-# ignoting
-#export CXXFLAGS="${CXXFLAGS} -Winline"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wint-conversion"
-export CXXFLAGS="${CXXFLAGS} -Wint-to-pointer-cast"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Winteger-division"
-#export CXXFLAGS="${CXXFLAGS} -Wintrinsic-shadow"
-#export CXXFLAGS="${CXXFLAGS} -Wintrinsics-std"
-export CXXFLAGS="${CXXFLAGS} -Winvalid-memory-model"
-export CXXFLAGS="${CXXFLAGS} -Winvalid-offsetof"
-export CXXFLAGS="${CXXFLAGS} -Winvalid-pch"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wjump-misses-init"
-#export CXXFLAGS="${CXXFLAGS} -Wlarger-than-"
-#export CXXFLAGS="${CXXFLAGS} -Wlarger-than="
-#export CXXFLAGS="${CXXFLAGS} -Wline-truncation"
-export CXXFLAGS="${CXXFLAGS} -Wliteral-suffix"
-export CXXFLAGS="${CXXFLAGS} -Wlogical-not-parentheses"
-export CXXFLAGS="${CXXFLAGS} -Wlogical-op"
-export CXXFLAGS="${CXXFLAGS} -Wlong-long"
-export CXXFLAGS="${CXXFLAGS} -Wlto-type-mismatch"
-export CXXFLAGS="${CXXFLAGS} -Wmain"
-export CXXFLAGS="${CXXFLAGS} -Wmaybe-uninitialized"
-export CXXFLAGS="${CXXFLAGS} -Wmemset-transposed-args"
-export CXXFLAGS="${CXXFLAGS} -Wmisleading-indentation"
-export CXXFLAGS="${CXXFLAGS} -Wmissing-braces"
-export CXXFLAGS="${CXXFLAGS} -Wmissing-declarations"
-export CXXFLAGS="${CXXFLAGS} -Wmissing-field-initializers"
-export CXXFLAGS="${CXXFLAGS} -Wmissing-format-attribute"
-export CXXFLAGS="${CXXFLAGS} -Wmissing-include-dirs"
-export CXXFLAGS="${CXXFLAGS} -Wmissing-noreturn"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wmissing-parameter-type"
-#export CXXFLAGS="${CXXFLAGS} -Wmissing-prototypes"
-export CXXFLAGS="${CXXFLAGS} -Wmultichar"
-# ignoring
-#export CXXFLAGS="${CXXFLAGS} -Wmultiple-inheritance"
-# ignoring
-#export CXXFLAGS="${CXXFLAGS} -Wnamespaces"
-export CXXFLAGS="${CXXFLAGS} -Wnarrowing"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wnested-externs"
-export CXXFLAGS="${CXXFLAGS} -Wnoexcept"
-export CXXFLAGS="${CXXFLAGS} -Wnon-template-friend"
-export CXXFLAGS="${CXXFLAGS} -Wnon-virtual-dtor"
-export CXXFLAGS="${CXXFLAGS} -Wnonnull"
-export CXXFLAGS="${CXXFLAGS} -Wnonnull-compare"
-#export CXXFLAGS="${CXXFLAGS} -Wnormalized"
-export CXXFLAGS="${CXXFLAGS} -Wnormalized=nfkc"
-export CXXFLAGS="${CXXFLAGS} -Wnull-dereference"
-export CXXFLAGS="${CXXFLAGS} -Wodr"
-# probably need fix it
-#export CXXFLAGS="${CXXFLAGS} -Wold-style-cast"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wold-style-declaration"
-#export CXXFLAGS="${CXXFLAGS} -Wold-style-definition"
-export CXXFLAGS="${CXXFLAGS} -Wopenmp-simd"
-export CXXFLAGS="${CXXFLAGS} -Woverflow"
-export CXXFLAGS="${CXXFLAGS} -Woverlength-strings"
-export CXXFLAGS="${CXXFLAGS} -Woverloaded-virtual"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Woverride-init"
-#export CXXFLAGS="${CXXFLAGS} -Woverride-init-side-effects"
-export CXXFLAGS="${CXXFLAGS} -Wpacked"
-export CXXFLAGS="${CXXFLAGS} -Wpacked-bitfield-compat"
-# +++ may be need fix in future?
-#export CXXFLAGS="${CXXFLAGS} -Wpadded"
-export CXXFLAGS="${CXXFLAGS} -Wparentheses"
-export CXXFLAGS="${CXXFLAGS} -Wpedantic"
-export CXXFLAGS="${CXXFLAGS} -Wplacement-new"
-#export CXXFLAGS="${CXXFLAGS} -Wplacement-new="
-export CXXFLAGS="${CXXFLAGS} -Wpmf-conversions"
-export CXXFLAGS="${CXXFLAGS} -Wpointer-arith"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wpointer-sign"
-#export CXXFLAGS="${CXXFLAGS} -Wpointer-to-int-cast"
-export CXXFLAGS="${CXXFLAGS} -Wpragmas"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wproperty-assign-default"
-#export CXXFLAGS="${CXXFLAGS} -Wprotocol"
-export CXXFLAGS="${CXXFLAGS} -Wpsabi"
-#export CXXFLAGS="${CXXFLAGS} -Wreal-q-constant"
-#export CXXFLAGS="${CXXFLAGS} -Wrealloc-lhs"
-#export CXXFLAGS="${CXXFLAGS} -Wrealloc-lhs-all"
-export CXXFLAGS="${CXXFLAGS} -Wredundant-decls"
-export CXXFLAGS="${CXXFLAGS} -Wreorder"
-export CXXFLAGS="${CXXFLAGS} -Wreturn-local-addr"
-export CXXFLAGS="${CXXFLAGS} -Wreturn-type"
-export CXXFLAGS="${CXXFLAGS} -Wscalar-storage-order"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wselector"
-export CXXFLAGS="${CXXFLAGS} -Wsequence-point"
-export CXXFLAGS="${CXXFLAGS} -Wshadow"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wshadow-ivar"
-export CXXFLAGS="${CXXFLAGS} -Wshift-count-negative"
-export CXXFLAGS="${CXXFLAGS} -Wshift-count-overflow"
-export CXXFLAGS="${CXXFLAGS} -Wshift-negative-value"
-export CXXFLAGS="${CXXFLAGS} -Wshift-overflow"
-#export CXXFLAGS="${CXXFLAGS} -Wshift-overflow="
-export CXXFLAGS="${CXXFLAGS} -Wsign-compare"
-# +++ need fix in future
-#export CXXFLAGS="${CXXFLAGS} -Wsign-conversion"
-export CXXFLAGS="${CXXFLAGS} -Wsign-promo"
-export CXXFLAGS="${CXXFLAGS} -Wsized-deallocation"
-export CXXFLAGS="${CXXFLAGS} -Wsizeof-array-argument"
-export CXXFLAGS="${CXXFLAGS} -Wsizeof-pointer-memaccess"
-export CXXFLAGS="${CXXFLAGS} -Wstack-protector"
-#export CXXFLAGS="${CXXFLAGS} -Wstack-usage="
-export CXXFLAGS="${CXXFLAGS} -Wstrict-aliasing=2"
-#export CXXFLAGS="${CXXFLAGS} -Wstrict-aliasing="
-export CXXFLAGS="${CXXFLAGS} -Wstrict-null-sentinel"
-#export CXXFLAGS="${CXXFLAGS} -Wstrict-overflow"
-export CXXFLAGS="${CXXFLAGS} -Wstrict-overflow=1"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wstrict-prototypes"
-#export CXXFLAGS="${CXXFLAGS} -Wstrict-selector-match"
-export CXXFLAGS="${CXXFLAGS} -Wsubobject-linkage"
-# +++ ignoring
-#export CXXFLAGS="${CXXFLAGS} -Wsuggest-attribute=const"
-#export CXXFLAGS="${CXXFLAGS} -Wsuggest-attribute=format"
-export CXXFLAGS="${CXXFLAGS} -Wsuggest-attribute=noreturn"
-# +++ ignoring
-#export CXXFLAGS="${CXXFLAGS} -Wsuggest-attribute=pure"
-#export CXXFLAGS="${CXXFLAGS} -Wsuggest-final-methods"
-#export CXXFLAGS="${CXXFLAGS} -Wsuggest-final-types"
-export CXXFLAGS="${CXXFLAGS} -Wsuggest-override"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wsurprising"
-export CXXFLAGS="${CXXFLAGS} -Wswitch"
-export CXXFLAGS="${CXXFLAGS} -Wswitch-bool"
-export CXXFLAGS="${CXXFLAGS} -Wswitch-default"
-export CXXFLAGS="${CXXFLAGS} -Wswitch-enum"
-export CXXFLAGS="${CXXFLAGS} -Wsync-nand"
-export CXXFLAGS="${CXXFLAGS} -Wsynth"
-# ignoring
-#export CXXFLAGS="${CXXFLAGS} -Wsystem-headers"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wtabs"
-#export CXXFLAGS="${CXXFLAGS} -Wtarget-lifetime"
-export CXXFLAGS="${CXXFLAGS} -Wtautological-compare"
-# ignoring
-#export CXXFLAGS="${CXXFLAGS} -Wtemplates"
-export CXXFLAGS="${CXXFLAGS} -Wterminate"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wtraditional"
-#export CXXFLAGS="${CXXFLAGS} -Wtraditional-conversion"
-export CXXFLAGS="${CXXFLAGS} -Wtrampolines"
-export CXXFLAGS="${CXXFLAGS} -Wtrigraphs"
-export CXXFLAGS="${CXXFLAGS} -Wtype-limits"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wundeclared-selector"
-export CXXFLAGS="${CXXFLAGS} -Wundef"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wunderflow"
-export CXXFLAGS="${CXXFLAGS} -Wuninitialized"
-export CXXFLAGS="${CXXFLAGS} -Wunknown-pragmas"
-# +++ may be try use in future?
-#export CXXFLAGS="${CXXFLAGS} -Wunsafe-loop-optimizations"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wunsuffixed-float-constants"
-export CXXFLAGS="${CXXFLAGS} -Wunused"
-export CXXFLAGS="${CXXFLAGS} -Wunused-but-set-parameter"
-export CXXFLAGS="${CXXFLAGS} -Wunused-but-set-variable"
-export CXXFLAGS="${CXXFLAGS} -Wunreachable-code"
-export CXXFLAGS="${CXXFLAGS} -Wunused-const-variable=1"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wunused-dummy-argument"
-export CXXFLAGS="${CXXFLAGS} -Wunused-function"
-export CXXFLAGS="${CXXFLAGS} -Wunused-label"
-export CXXFLAGS="${CXXFLAGS} -Wunused-local-typedefs"
-export CXXFLAGS="${CXXFLAGS} -Wunused-macros"
-export CXXFLAGS="${CXXFLAGS} -Wunused-parameter"
-export CXXFLAGS="${CXXFLAGS} -Wunused-result"
-export CXXFLAGS="${CXXFLAGS} -Wunused-value"
-export CXXFLAGS="${CXXFLAGS} -Wunused-variable"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wuse-without-only"
-# +++ need from time to time
-#export CXXFLAGS="${CXXFLAGS} -Wuseless-cast"
-export CXXFLAGS="${CXXFLAGS} -Wvarargs"
-export CXXFLAGS="${CXXFLAGS} -Wvariadic-macros"
-export CXXFLAGS="${CXXFLAGS} -Wvector-operation-performance"
-export CXXFLAGS="${CXXFLAGS} -Wvirtual-inheritance"
-export CXXFLAGS="${CXXFLAGS} -Wvirtual-move-assign"
-export CXXFLAGS="${CXXFLAGS} -Wvla"
-export CXXFLAGS="${CXXFLAGS} -Wvolatile-register-var"
-export CXXFLAGS="${CXXFLAGS} -Wwrite-strings"
-export CXXFLAGS="${CXXFLAGS} -Wzero-as-null-pointer-constant"
-# not for C++
-#export CXXFLAGS="${CXXFLAGS} -Wzerotrip"
-#export CXXFLAGS="${CXXFLAGS} -frequire-return-statement"
diff --git a/tools/ci/flags/gcc6.sh b/tools/ci/flags/gcc6.sh
index c245ac72b..97b05f9ab 100755
--- a/tools/ci/flags/gcc6.sh
+++ b/tools/ci/flags/gcc6.sh
@@ -23,7 +23,7 @@ export CXXFLAGS="${CXXFLAGS} -Warray-bounds=2"
 # not for C++
 #export CXXFLAGS="${CXXFLAGS} -Warray-temporaries"
 #export CXXFLAGS="${CXXFLAGS} -Wassign-intercept"
-# show warning for padding
+# show warnings for padding
 #export CXXFLAGS="${CXXFLAGS} -Wattributes"
 # not for C++
 #export CXXFLAGS="${CXXFLAGS} -Wbad-function-cast"
@@ -86,7 +86,7 @@ export CXXFLAGS="${CXXFLAGS} -Wextra"
 #export CXXFLAGS="${CXXFLAGS} -Wfloat-conversion"
 # +++ need fix in future
 #export CXXFLAGS="${CXXFLAGS} -Wfloat-equal"
-export CXXFLAGS="${CXXFLAGS} -Wformat"
+export CXXFLAGS="${CXXFLAGS} -Wformat=1"
 export CXXFLAGS="${CXXFLAGS} -Wformat-contains-nul"
 export CXXFLAGS="${CXXFLAGS} -Wformat-extra-args"
 # +++ ignoring. probably need use some times
@@ -223,12 +223,11 @@ export CXXFLAGS="${CXXFLAGS} -Wsizeof-array-argument"
 export CXXFLAGS="${CXXFLAGS} -Wsizeof-pointer-memaccess"
 export CXXFLAGS="${CXXFLAGS} -Wstack-protector"
 #export CXXFLAGS="${CXXFLAGS} -Wstack-usage="
-export CXXFLAGS="${CXXFLAGS} -Wstrict-aliasing"
+export CXXFLAGS="${CXXFLAGS} -Wstrict-aliasing=2"
 #export CXXFLAGS="${CXXFLAGS} -Wstrict-aliasing="
 export CXXFLAGS="${CXXFLAGS} -Wstrict-null-sentinel"
-# used before
 #export CXXFLAGS="${CXXFLAGS} -Wstrict-overflow"
-#export CXXFLAGS="${CXXFLAGS} -Wstrict-overflow="
+export CXXFLAGS="${CXXFLAGS} -Wstrict-overflow=1"
 # not for C++
 #export CXXFLAGS="${CXXFLAGS} -Wstrict-prototypes"
 #export CXXFLAGS="${CXXFLAGS} -Wstrict-selector-match"