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Bugfix/code clean using gcc warnings (#371)

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* Enable extra GCC warnings to discover subtle bugs

* convert c++ comments to c comments

* cleanup pedantic compiler warnings

* Compile apps with GNU89 GNU99 GNU11 and GNU17

Co-authored-by: Steve Karg <skarg@users.sourceforge.net>
This commit is contained in:
Steve Karg
2022-12-25 21:43:51 -06:00
committed by GitHub
parent 0728bc4390
commit b91735af13
66 changed files with 990 additions and 847 deletions
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ports/stm32f10x/Makefile
+10 -2
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@@ -158,8 +158,16 @@ CFLAGS += -ffunction-sections -fdata-sections -fno-strict-aliasing
CFLAGS += -fno-builtin
# place uninitialized global variables in the data section of the object file.
CFLAGS += -fno-common
# enable all relevant warnings
CFLAGS += -Wall
# enable all relevant warnings that find bugs
WARNING_ALL := -Wall -Wextra -Wall -Wfloat-equal -Wconversion -Wparentheses
WARNING_ALL += -pedantic -Wunused-parameter -Wunused-variable -Wreturn-type
WARNING_ALL += -Wunused-function -Wreturn-type -Wunused-value
WARNING_ALL += -Wswitch-default -Wuninitialized -Winit-self
WARNING_ALL += -Wno-sign-conversion -Wno-conversion -Wno-sign-compare
WARNING_ALL += -Wno-long-long
#WARNING_ALL += -Wredundant-decls
#WARNING_ALL += -Werror
CFLAGS += $(WARNING_ALL)
# don't warn about missing braces since GCC is over-achiever for this
CFLAGS += -Wno-missing-braces
# don't warn about missing prototypes since STM32 library doesn't have some