mirror of
https://github.com/MidnightCommander/mc
synced 2024-12-25 13:57:00 +03:00
72 lines
3.8 KiB
Plaintext
72 lines
3.8 KiB
Plaintext
dnl @synopsis mc_CHECK_CFLAGS
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dnl
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dnl Check flags supported by C compiler
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dnl
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dnl @author Slava Zanko <slavazanko@gmail.com>
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dnl @modified by Andrew Borodin <aborodin@vmail.ru>
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dnl @modified by Yury V. Zaytsev <yury@shurup.com>
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dnl @version 2024-11-03
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dnl @license GPL
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dnl @copyright Free Software Foundation, Inc.
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AC_DEFUN([mc_CHECK_CFLAGS],[
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AC_LANG_PUSH(C)
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mc_configured_cflags=""
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dnl Sorted -f options:
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case "$CC" in
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gcc*)
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AX_APPEND_COMPILE_FLAGS([-fdiagnostics-show-option], [mc_configured_cflags])
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;;
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*)
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;;
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esac
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AX_APPEND_COMPILE_FLAGS([-Wall], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wextra], [mc_configured_cflags], [$EXTRA_OPTION])
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dnl Enable support for C standard features up to (and including) C99 and pedantic warnings
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AX_APPEND_COMPILE_FLAGS([-Wattributes], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wimplicit-function-declaration], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wimplicit-int], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wno-declaration-after-statement], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wno-long-long], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wno-vla], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wincompatible-pointer-types], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wint-conversion], [mc_configured_cflags], [$EXTRA_OPTION])
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dnl Sorted -W options not included in -Wall and -Wextra
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AX_APPEND_COMPILE_FLAGS([-Wbad-function-cast], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wconditional-uninitialized], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wfloat-conversion], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wfloat-equal], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wformat-security], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wformat-signedness], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wimplicit-fallthrough], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wmissing-declarations], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wmissing-format-attribute], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wmissing-prototypes], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wmissing-variable-declarations], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wnested-externs], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wpointer-arith], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wredundant-decls], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wshadow], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wstrict-prototypes], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wswitch-default], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wundef], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wunreachable-code], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wunused-result], [mc_configured_cflags], [$EXTRA_OPTION])
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AX_APPEND_COMPILE_FLAGS([-Wwrite-strings], [mc_configured_cflags], [$EXTRA_OPTION])
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dnl Explicitly disabled warnings
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dnl This flags casts like (GCompareDataFunc) with missing parameter
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AX_APPEND_COMPILE_FLAGS([-Wno-cast-function-type], [mc_configured_cflags], [$EXTRA_OPTION])
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dnl https://github.com/llvm/llvm-project/issues/20574
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AX_APPEND_COMPILE_FLAGS([-Wno-assign-enum], [mc_configured_cflags], [$EXTRA_OPTION])
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AC_LANG_POP()
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])
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