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buildsys: add -Wall and -Wextra, remove duplicate flags, set standard to C99

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Signed-off-by: Yury V. Zaytsev <yury@shurup.com>
This commit is contained in:
Yury V. Zaytsev 2024-11-03 09:32:35 +01:00
parent fdc445ea8d
commit 43e6c040de
1 changed files with 16 additions and 30 deletions
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46
m4.include/mc-cflags.m4
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@ -4,7 +4,8 @@ dnl Check flags supported by C compiler
dnl
dnl @author Slava Zanko <slavazanko@gmail.com>
dnl @modified by Andrew Borodin <aborodin@vmail.ru>
dnl @version 2021-09-19
dnl @modified by Yury V. Zaytsev <yury@shurup.com>
dnl @version 2024-11-03
dnl @license GPL
dnl @copyright Free Software Foundation, Inc.
@ -17,61 +18,46 @@ AC_DEFUN([mc_CHECK_CFLAGS],[
case "$CC" in
gcc*)
AX_APPEND_COMPILE_FLAGS([-fdiagnostics-show-option], [mc_configured_cflags])
dnl AX_APPEND_COMPILE_FLAGS([-fno-stack-protector], [mc_configured_cflags])
;;
*)
;;
esac
dnl Sorted -W options:
AX_APPEND_COMPILE_FLAGS([-Wall], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wextra], [mc_configured_cflags], [$EXTRA_OPTION])
dnl Enable support for C standard features up to (and including) C99 and pedantic warnings
AX_APPEND_COMPILE_FLAGS([-Wattributes], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wimplicit-function-declaration], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wimplicit-int], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wno-declaration-after-statement], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wno-long-long], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wno-vla], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wincompatible-pointer-types], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wint-conversion], [mc_configured_cflags], [$EXTRA_OPTION])
dnl Sorted -W options not included in -Wall and -Wextra
AX_APPEND_COMPILE_FLAGS([-Wassign-enum], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wbad-function-cast], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wcomment], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wconditional-uninitialized], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wdeclaration-after-statement], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wfloat-conversion], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wfloat-equal], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wformat], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wformat-security], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wformat-signedness], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wimplicit], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wimplicit-fallthrough], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wignored-qualifiers], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wlogical-not-parentheses], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wmaybe-uninitialized], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wmissing-braces], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wmissing-declarations], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wmissing-field-initializers], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wmissing-format-attribute], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wmissing-parameter-type], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wmissing-prototypes], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wmissing-variable-declarations], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wnested-externs], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wno-long-long], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wno-unreachable-code], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wparentheses], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wpointer-arith], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wpointer-sign], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wredundant-decls], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wreturn-type], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wsequence-point], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wshadow], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wsign-compare], [mc_configured_cflags], [$EXTRA_OPTION])
dnl AX_APPEND_COMPILE_FLAGS([-Wstrict-aliasing], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wstrict-prototypes], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wswitch], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wswitch-default], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wtype-limits], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wundef], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wuninitialized], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wunreachable-code], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wunused-but-set-variable], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wunused-function], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wunused-label], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wunused-parameter], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wunused-result], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wunused-value], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wunused-variable], [mc_configured_cflags], [$EXTRA_OPTION])
AX_APPEND_COMPILE_FLAGS([-Wwrite-strings], [mc_configured_cflags], [$EXTRA_OPTION])
AC_LANG_POP()