Dmitry V. Levin
0b03de74bc
* gcc_compat.h (ATTRIBUTE_FALLTHROUGH): New macro. * block.c (block_ioctl): Use it instead of "fall through" comment. * btrfs.c (btrfs_ioctl): Likewise. * loop.c (loop_ioctl): Likewise. * mtd.c (mtd_ioctl): Likewise. * rtc.c (rtc_ioctl): Likewise. * v4l2.c (v4l2_ioctl): Likewise. * dm.c (dm_decode_values): Likewise. * process.c (SYS_FUNC(ptrace)): Likewise. * quota.c (decode_cmd_data): Likewise. * ucopy.c (umovestr): Likewise. * unwind.c (unwind_print_stacktrace, unwind_capture_stacktrace)): Likewise. * term.c (term_ioctl): Add ATTRIBUTE_FALLTHROUGH. * ioctl.c (ioctl_decode) [ALPHA || POWERPC]: Likewise. * m4/st_warn_cflags.m4 (gl_WARN_ADD): Add -Wimplicit-fallthrough=5. * tests/ioctl_v4l2.c (init_v4l2_format): Reorganize the switch statement without implicit fallthrough.
26 lines
768 B
Plaintext
26 lines
768 B
Plaintext
AC_DEFUN([st_WARN_CFLAGS], [dnl
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gl_WARN_ADD([-Wall])
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gl_WARN_ADD([-Wempty-body])
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gl_WARN_ADD([-Wformat-security])
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gl_WARN_ADD([-Wignored-qualifiers])
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gl_WARN_ADD([-Wimplicit-fallthrough=5])
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gl_WARN_ADD([-Winit-self])
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gl_WARN_ADD([-Wlogical-op])
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gl_WARN_ADD([-Wmissing-parameter-type])
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gl_WARN_ADD([-Wnested-externs])
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gl_WARN_ADD([-Wold-style-declaration])
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gl_WARN_ADD([-Wold-style-definition])
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gl_WARN_ADD([-Wsign-compare])
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gl_WARN_ADD([-Wtype-limits])
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gl_WARN_ADD([-Wwrite-strings])
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AC_ARG_ENABLE([gcc-Werror],
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[AS_HELP_STRING([--enable-gcc-Werror], [turn on gcc's -Werror option])],
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[case $enableval in
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yes) gl_WARN_ADD([-Werror]) ;;
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no) ;;
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*) AC_MSG_ERROR([bad value $enableval for gcc-Werror option]) ;;
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esac]
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)
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AC_SUBST([WARN_CFLAGS])
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])
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