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Config.in

Config.in 2.1 KB
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  1. config BR2_PACKAGE_LIBUNWIND_MUSL_CONTEXT_REQUIRED
    2. 

  2. 	bool
    3. 

  3. 	default y
    4. 

  4. 	depends on !BR2_ARM_CPU_HAS_ARM
    5. 

  5. 	depends on !BR2_aarch64
    6. 

  6. 	depends on !BR2_aarch64_be
    7. 

  7. 	depends on !BR2_mips
    8. 

  8. 	depends on !BR2_mipsel
    9. 

  9. 	depends on !BR2_mips64
    10. 

  10. 	depends on !BR2_mips64el
    11. 

  11. 	depends on !BR2_riscv
    12. 

  12. 	depends on !BR2_x86_64
    13. 

  13. 	depends on BR2_TOOLCHAIN_USES_MUSL
    14. 

  14. 

  15. # libunwind is only available for a certain subset of the
    16. 

  16. # architectures (as visible in the list of architectures supported
    17. 

  17. # with the glibc C library below).
    18. 

  18. #
    19. 

  19. # In addition to this, on some architectures libunwind requires the
    20. 

  20. # *context() function from the C library, which are only available on
    21. 

  21. # certain architectures in uClibc, and not available at all on
    22. 

  22. # musl. But on some other architectures, libunwind works without using
    23. 

  23. # the *context() functions, which allows it to be built with musl.
    24. 

  24. config BR2_PACKAGE_LIBUNWIND_ARCH_SUPPORTS
    25. 

  25. 	bool
    26. 

  26. 	default y if BR2_TOOLCHAIN_USES_GLIBC && \
    27. 

  27. 		(BR2_ARM_CPU_HAS_ARM || BR2_aarch64 || BR2_mips || BR2_mipsel || \
    28. 

  28. 		 BR2_mips64 || BR2_mips64el || BR2_powerpc || BR2_sh || \
    29. 

  29. 		 BR2_i386 || BR2_x86_64)
    30. 

  30. 	default y if BR2_TOOLCHAIN_USES_UCLIBC && \
    31. 

  31. 		(BR2_ARM_CPU_HAS_ARM || BR2_mips || BR2_mipsel || \
    32. 

  32. 		 BR2_mips64 || BR2_mips64el || BR2_x86_64)
    33. 

  33. 	default y if BR2_TOOLCHAIN_USES_MUSL && \
    34. 

  34. 		(!BR2_PACKAGE_LIBUNWIND_MUSL_CONTEXT_REQUIRED || \
    35. 

  35. 		 BR2_PACKAGE_LIBUCONTEXT_ARCH_SUPPORTS)
    36. 

  36. 

  37. config BR2_PACKAGE_LIBUNWIND
    38. 

  38. 	bool "libunwind"
    39. 

  39. 	depends on BR2_TOOLCHAIN_HAS_THREADS
    40. 

  40. 	depends on BR2_PACKAGE_LIBUNWIND_ARCH_SUPPORTS
    41. 

  41. 	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # C11 atomics
    42. 

  42. 	# forcefully links against libgcc_s, only available in dynamic
    43. 

  43. 	# linking configurations
    44. 

  44. 	depends on !BR2_STATIC_LIBS
    45. 

  45. 	select BR2_PACKAGE_LIBUCONTEXT if BR2_TOOLCHAIN_USES_MUSL && \
    46. 

  46. 		BR2_PACKAGE_LIBUNWIND_MUSL_CONTEXT_REQUIRED
    47. 

  47. 	help
    48. 

  48. 	  C API to determine the call-chain of a program.
    49. 

  49. 

  50. 	  http://www.nongnu.org/libunwind/index.html
    51. 

  51. 

  52. comment "libunwind needs a toolchain w/ threads, dynamic library, gcc >= 4.9"
    53. 

  53. 	depends on BR2_PACKAGE_LIBUNWIND_ARCH_SUPPORTS
    54. 

  54. 	depends on !BR2_TOOLCHAIN_HAS_THREADS || BR2_STATIC_LIBS || \
    55. 

  55. 		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
    56.