Error even w/warnings disabled for no-return fcns

platform.txt

@@ -21,11 +21,11 @@ runtime.tools.mkdir={runtime.platform.path}/tools/mkdir.py
 runtime.tools.cp={runtime.platform.path}/tools/cp.py
 runtime.tools.eboot={runtime.platform.path}/bootloaders/eboot/eboot.elf
 
-compiler.warning_flags=-w -Werror=return-type
-compiler.warning_flags.none=-w -Werror=return-type
-compiler.warning_flags.default=-Werror=return-type
-compiler.warning_flags.more=-Wall -Werror=return-type
-compiler.warning_flags.all=-Wall -Wextra -Werror=return-type
+compiler.warning_flags=@{runtime.platform.path}/tools/no-warnings-
+compiler.warning_flags.none=@{runtime.platform.path}/tools/no-warnings-
+compiler.warning_flags.default=-D__COMPILER=
+compiler.warning_flags.more=-Wall -D__COMPILER=
+compiler.warning_flags.all=-Wall -Wextra -D__COMPILER=
 
 build.lwip_lib=-llwip_gcc
 build.lwip_include=lwip/include
@@ -68,18 +68,18 @@ compiler.cpreprocessor.flags=-D__ets__ -DICACHE_FLASH -U__STRICT_ANSI__ -D_GNU_S
 compiler.libraries.ldflags=
 
 compiler.c.cmd=xtensa-lx106-elf-gcc
-compiler.c.flags=-c {compiler.warning_flags} -std=gnu17 {build.stacksmash_flags} -Os -g -free -fipa-pta -Wpointer-arith -Wno-implicit-function-declaration -Wl,-EL -fno-inline-functions -nostdlib -mlongcalls -mtext-section-literals -falign-functions=4 -MMD -ffunction-sections -fdata-sections {build.exception_flags} {build.sslflags} {build.mmuflags} {build.non32xferflags}
+compiler.c.flags=-c {compiler.warning_flags}gcc -std=gnu17 {build.stacksmash_flags} -Os -g -free -fipa-pta -Werror=return-type -Wpointer-arith -Wno-implicit-function-declaration -Wl,-EL -fno-inline-functions -nostdlib -mlongcalls -mtext-section-literals -falign-functions=4 -MMD -ffunction-sections -fdata-sections {build.exception_flags} {build.sslflags} {build.mmuflags} {build.non32xferflags}
 
 compiler.S.cmd=xtensa-lx106-elf-gcc
 compiler.S.flags=-c -g -x assembler-with-cpp -MMD -mlongcalls "-I{runtime.tools.xtensa-lx106-elf-gcc.path}/include/"
 
-compiler.c.elf.flags=-g {compiler.warning_flags} -Os -nostdlib -Wl,--no-check-sections -u app_entry {build.float} -Wl,-static "-L{compiler.sdk.path}/lib" "-L{compiler.sdk.path}/lib/{build.sdk}" "-L{build.path}" "-L{compiler.libc.path}/lib" "-Tlocal.eagle.flash.ld" -Wl,--gc-sections -Wl,-wrap,system_restart_local -Wl,-wrap,spi_flash_read
+compiler.c.elf.flags=-g {compiler.warning_flags}gcc -Os -nostdlib -Wl,--no-check-sections -u app_entry {build.float} -Wl,-static "-L{compiler.sdk.path}/lib" "-L{compiler.sdk.path}/lib/{build.sdk}" "-L{build.path}" "-L{compiler.libc.path}/lib" "-Tlocal.eagle.flash.ld" -Wl,--gc-sections -Wl,-wrap,system_restart_local -Wl,-wrap,spi_flash_read
 
 compiler.c.elf.cmd=xtensa-lx106-elf-gcc
 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
 
 compiler.cpp.cmd=xtensa-lx106-elf-g++
-compiler.cpp.flags=-c {compiler.warning_flags} {build.stacksmash_flags} -Os -g -free -fipa-pta -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}
+compiler.cpp.flags=-c {compiler.warning_flags}g++ {build.stacksmash_flags} -Os -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}
 
 compiler.as.cmd=xtensa-lx106-elf-as
 

tools/no-warnings-g++

@@ -0,0 +1,53 @@
+-Wno-address-of-packed-member
+-Wno-aggressive-loop-optimizations
+-Wno-analyzer-malloc-leak
+-Wno-analyzer-null-argument
+-Wno-analyzer-null-dereference
+-Wno-analyzer-possible-null-argument
+-Wno-analyzer-possible-null-dereference
+-Wno-analyzer-stale-setjmp-buffer
+-Wno-analyzer-tainted-array-index
+-Wno-analyzer-unsafe-call-within-signal-handler
+-Wno-attribute-warning
+-Wno-attributes
+-Wno-builtin-declaration-mismatch
+-Wno-builtin-macro-redefined
+-Wno-cannot-profile
+-Wno-coverage-mismatch
+-Wno-cpp
+-Wno-deprecated
+-Wno-deprecated-declarations
+-Wno-div-by-zero
+-Wno-endif-labels
+-Wno-enum-compare
+-Wno-hsa
+-Wno-if-not-aligned
+-Wno-ignored-attributes
+-Wno-int-to-pointer-cast
+-Wno-invalid-memory-model
+-Wno-long-long
+-Wno-lto-type-mismatch
+-Wno-main
+-Wno-missing-profile
+-Wno-narrowing
+-Wno-odr
+-Wno-overflow
+-Wno-packed-bitfield-compat
+-Wno-pointer-compare
+-Wno-pragmas
+-Wno-prio-ctor-dtor
+-Wno-psabi
+-Wno-return-local-addr
+-Wno-return-type
+-Wno-shift-count-negative
+-Wno-shift-count-overflow
+-Wno-shift-negative-value
+-Wno-sizeof-array-argument
+-Wno-switch-bool
+-Wno-switch-outside-range
+-Wno-switch-unreachable
+-Wno-sync-nand
+-Wno-trigraphs
+-Wno-unused-result
+-Wno-varargs
+-Wno-vla

tools/no-warnings-gcc

@@ -0,0 +1,66 @@
+-Wno-address-of-packed-member
+-Wno-aggressive-loop-optimizations
+-Wno-analyzer-malloc-leak
+-Wno-analyzer-null-argument
+-Wno-analyzer-null-dereference
+-Wno-analyzer-possible-null-argument
+-Wno-analyzer-possible-null-dereference
+-Wno-analyzer-stale-setjmp-buffer
+-Wno-analyzer-tainted-array-index
+-Wno-analyzer-unsafe-call-within-signal-handler
+-Wno-attribute-warning
+-Wno-attributes
+-Wno-builtin-declaration-mismatch
+-Wno-builtin-macro-redefined
+-Wno-c11-c2x-compat
+-Wno-c90-c99-compat
+-Wno-c99-c11-compat
+-Wno-cannot-profile
+-Wno-coverage-mismatch
+-Wno-cpp
+-Wno-declaration-after-statement
+-Wno-deprecated
+-Wno-deprecated-declarations
+-Wno-designated-init
+-Wno-discarded-array-qualifiers
+-Wno-discarded-qualifiers
+-Wno-div-by-zero
+-Wno-endif-labels
+-Wno-enum-compare
+-Wno-hsa
+-Wno-if-not-aligned
+-Wno-ignored-attributes
+-Wno-implicit-int
+-Wno-incompatible-pointer-types
+-Wno-int-conversion
+-Wno-int-to-pointer-cast
+-Wno-invalid-memory-model
+-Wno-long-long
+-Wno-lto-type-mismatch
+-Wno-main
+-Wno-missing-profile
+-Wno-narrowing
+-Wno-odr
+-Wno-old-style-definition
+-Wno-overflow
+-Wno-override-init-side-effects
+-Wno-packed-bitfield-compat
+-Wno-pointer-compare
+-Wno-pointer-to-int-cast
+-Wno-pragmas
+-Wno-prio-ctor-dtor
+-Wno-psabi
+-Wno-return-local-addr
+-Wno-return-type
+-Wno-shift-count-negative
+-Wno-shift-count-overflow
+-Wno-shift-negative-value
+-Wno-sizeof-array-argument
+-Wno-switch-bool
+-Wno-switch-outside-range
+-Wno-switch-unreachable
+-Wno-sync-nand
+-Wno-trigraphs
+-Wno-unused-result
+-Wno-varargs
+-Wno-vla