8000 Tools - none-cxxflags generator script & enable deprecation warnings … · esp8266/Arduino@a5f18b5 · GitHub
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Tools - none-cxxflags generator script & enable deprecation warnings (#9245)
* Tools - none-cxxflags generator script GCC10 -> GCC (as in general, not specific to 10) cpp -> cxx to be consistent with gcc terminology grep exclude patterns in a separate file exclude 'deprecated' warnings by default * actually set warnings when compiling --warnings=none is arduino-cli implicit default
1 parent 2c72e6f commit a5f18b5

9 files changed

+55
-13
lines changed

‎platform.txt

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -93,7 +93,7 @@ compiler.c.elf.cmd=xtensa-lx106-elf-gcc
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compiler.c.elf.libs=-lhal -lphy -lpp -lnet80211 {build.lwip_lib} -lwpa -lcrypto -lmain -lwps -lbearssl -lespnow -lsmartconfig -lairkiss -lwpa2 {build.stdcpp_lib} -lm -lc -lgcc
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compiler.cpp.cmd=xtensa-lx106-elf-g++
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compiler.cpp.flags=-c "{compiler.warning_flags}-cppflags" {build.stacksmash_flags} -g -free -fipa-pta -Werror=return-type -mlongcalls -mtext-section-literals -fno-rtti -falign-functions=4 {build.stdcpp_level} -MMD -ffunction-sections -fdata-sections {build.exception_flags} {build.sslflags} {build.mmuflags} {build.non32xferflags} {build.iramfloat}
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compiler.cpp.flags=-c "{compiler.warning_flags}-cxxflags" {build.stacksmash_flags} -g -free -fipa-pta -Werror=return-type -mlongcalls -mtext-section-literals -fno-rtti -falign-functions=4 {build.stdcpp_level} -MMD -ffunction-sections -fdata-sections {build.exception_flags} {build.sslflags} {build.mmuflags} {build.non32xferflags} {build.iramfloat}
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compiler.as.cmd=xtensa-lx106-elf-as
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‎tests/common.sh

Lines changed: 8 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -131,6 +131,7 @@ function build_sketches()
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local build_cmd
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build_cmd+=${cli_path}
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build_cmd+=" compile"\
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" --warnings=all"\
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" --build-path $build_dir"\
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" --fqbn $fqbn"\
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" --libraries $library_path"\
@@ -307,20 +308,23 @@ function install_core()
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fi
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# Set our custom warnings for all builds
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{ echo "compiler.c.extra_flags=-Wall -Wextra -Werror $debug_flags";
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echo "compiler.cpp.extra_flags=-Wall -Wextra -Werror $debug_flags";
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echo "mkbuildoptglobals.extra_flags=--ci --cache_core"; } \
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> platform.local.txt
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printf "%s\n" \
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"compiler.c.extra_flags=-Wall -Wextra $debug_flags" \
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"compiler.cpp.extra_flags=-Wall -Wextra $debug_flags" \
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"mkbuildoptglobals.extra_flags=--ci --cache_core" \
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> ${core_path}/platform.local.txt
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echo -e "\n----platform.local.txt----"
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cat platform.local.txt
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echo -e "\n----\n"
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# Fetch toolchain & filesystem utils
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pushd tools
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python3 get.py -q
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popd
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popd
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# todo: windows runners are using copied tree
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local core_dir
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core_dir=$(dirname "$hardware_core_path")
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mkdir -p "$core_dir"

‎tools/warnings/README.md

Lines changed: 4 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -1,12 +1,11 @@
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These are the warning options for the compiler at different levels.
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3-
Because G++ 10 produces code which crashes when a function is declared
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Because GCC produces code which crashes when a function is declared
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to return a value but doesn't (this is undefined per the C++ specs, but legal
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for C11 and above code as long as the [non]returned value is ignored), we
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cannot warn them if we use "-w" to disable all warnings, and instead have
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to delete every warning but "-Wreturn-type"
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Generate the "none-g++" file with the following command:
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````
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./tools/xtensa-lx106-elf/bin/xtensa-lx106-elf-gcc --help=warnings -Q | grep '\[enabled\]' | grep -v 'return-type' | awk '{print $1}' | sed 's/-W/-Wno-/' | grep -v = | grep -v -- -f | egrep -v '(c11-c2x-compat|c90-c99-compat|c99-c11-compat|declaration-after-statement|designated-init|discarded-array-qualifiers|discarded-qualifiers|implicit-int|incompatible-pointer-types|int-conversion|old-style-definition|override-init-side-effects|pointer-to-int-cast)' > tools/warnings/none-g++
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````
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Generate the C++ variant with the [`make_none-cxxflags.sh`](make_none-cxxflags.sh) script
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Modify [`patterns_none-cxxflags.txt`](patterns_none-cxxflags.txt) patterns to ignore incompatible warning types

‎tools/warnings/default-cppflags renamed to ‎tools/warnings/default-cxxflags

File renamed without changes.

‎tools/warnings/extra-cppflags renamed to ‎tools/warnings/extra-cxxflags

File renamed without changes.

‎tools/warnings/make_none-cxxflags.sh

Lines changed: 11 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,11 @@
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#!/usr/bin/env sh
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root=$(git rev-parse --show-toplevel)
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${CC:-xtensa-lx106-elf-gcc} --help=warnings -Q |\
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grep '\[enabled\]' |\
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grep -v 'return-type' |\
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awk '{print $1}' |\
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sed 's/-W/-Wno-/' |\
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grep -v = |\
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grep -v -f ${root}/tools/warnings/patterns_none-cxxflags.txt |\
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sort -u > ${root}/tools/warnings/none-cxxflags

‎tools/warnings/more-cppflags renamed to ‎tools/warnings/more-cxxflags

File renamed without changes.

‎tools/warnings/none-cppflags renamed to ‎tools/warnings/none-cxxflags

Lines changed: 9 additions & 3 deletions
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@@ -1,5 +1,10 @@
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-Wno-address-of-packed-member
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-Wno-aggressive-loop-optimizations
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-Wno-analyzer-double-fclose
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-Wno-analyzer-double-free
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-Wno-analyzer-exposure-through-output-file
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-Wno-analyzer-file-leak
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-Wno-analyzer-free-of-non-heap
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-Wno-analyzer-malloc-leak
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-Wno-analyzer-null-argument
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-Wno-analyzer-null-dereference
@@ -8, B41A 18 +13,19 @@
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-Wno-analyzer-stale-setjmp-buffer
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-Wno-analyzer-tainted-array-index
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-Wno-analyzer-unsafe-call-within-signal-handler
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-Wno-attribute-warning
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-Wno-analyzer-use-after-free
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-Wno-analyzer-use-of-pointer-in-stale-stack-frame
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-Wno-attributes
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-Wno-attribute-warning
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-Wno-builtin-declaration-mismatch
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-Wno-builtin-macro-redefined
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-Wno-cannot-profile
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-Wno-coverage-mismatch
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-Wno-cpp
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-Wno-deprecated
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-Wno-deprecated-declarations
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-Wno-div-by-zero
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-Wno-endif-labels
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-Wno-enum-compare
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-Wno-free-nonheap-object
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-Wno-hsa
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-Wno-if-not-aligned
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-Wno-ignored-attributes

‎tools/warnings/patterns_none-cxxflags.txt

Lines changed: 22 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,22 @@
1+
=
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NSObject-attribute
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c11-c2x-compat
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c90-c99-compat
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c99-c11-compat
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compare-distinct-pointer-types
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complain-wrong-lang
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declaration-after-statement
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declaration-missing-parameter-type
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deprecated
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deprecated-declarations
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designated-init
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discarded-array-qualifiers
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discarded-qualifiers
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implicit-function-declaration
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implicit-int
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incompatible-pointer-types
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int-conversion
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old-style-definition
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override-init-side-effects
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pointer-to-int-cast
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return-mismatch

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