Kbuild 3.6 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122
  1. # We can build either as part of a standalone Kernel build or as
  2. # an external module. Determine which mechanism is being used
  3. ifeq ($(MODNAME),)
  4. KERNEL_BUILD := 1
  5. else
  6. KERNEL_BUILD := 0
  7. endif
  8. ifeq ($(KERNEL_BUILD), 1)
  9. # These are configurable via Kconfig for kernel-based builds
  10. # Need to explicitly configure for Android-based builds
  11. AUDIO_BLD_DIR := $(shell pwd)/kernel/msm-5.4
  12. AUDIO_ROOT := $(AUDIO_BLD_DIR)/techpack/audio
  13. endif
  14. ifeq ($(KERNEL_BUILD), 0)
  15. ifeq ($(CONFIG_ARCH_KONA), y)
  16. include $(AUDIO_ROOT)/config/konaauto.conf
  17. INCS += -include $(AUDIO_ROOT)/config/konaautoconf.h
  18. endif
  19. ifeq ($(CONFIG_ARCH_LITO), y)
  20. include $(AUDIO_ROOT)/config/litoauto.conf
  21. export
  22. INCS += -include $(AUDIO_ROOT)/config/litoautoconf.h
  23. endif
  24. ifeq ($(CONFIG_ARCH_WAIPIO), y)
  25. include $(AUDIO_ROOT)/config/waipioauto.conf
  26. INCS += -include $(AUDIO_ROOT)/config/waipioautoconf.h
  27. endif
  28. ifeq ($(CONFIG_ARCH_KALAMA), y)
  29. include $(AUDIO_ROOT)/config/kalamaauto.conf
  30. INCS += -include $(AUDIO_ROOT)/config/kalamaautoconf.h
  31. endif
  32. ifeq ($(CONFIG_ARCH_PINEAPPLE), y)
  33. include $(AUDIO_ROOT)/config/pineappleauto.conf
  34. INCS += -include $(AUDIO_ROOT)/config/pineappleautoconf.h
  35. endif
  36. ifeq ($(CONFIG_ARCH_PITTI), y)
  37. include $(AUDIO_ROOT)/config/pittiauto.conf
  38. INCS += -include $(AUDIO_ROOT)/config/pittiautoconf.h
  39. endif
  40. endif
  41. # As per target team, build is done as follows:
  42. # Defconfig : build with default flags
  43. # Slub : defconfig + CONFIG_SLUB_DEBUG := y +
  44. # CONFIG_SLUB_DEBUG_ON := y + CONFIG_PAGE_POISONING := y
  45. # Perf : Using appropriate msmXXXX-perf_defconfig
  46. #
  47. # Shipment builds (user variants) should not have any debug feature
  48. # enabled. This is identified using 'TARGET_BUILD_VARIANT'. Slub builds
  49. # are identified using the CONFIG_SLUB_DEBUG_ON configuration. Since
  50. # there is no other way to identify defconfig builds, QTI internal
  51. # representation of perf builds (identified using the string 'perf'),
  52. # is used to identify if the build is a slub or defconfig one. This
  53. # way no critical debug feature will be enabled for perf and shipment
  54. # builds. Other OEMs are also protected using the TARGET_BUILD_VARIANT
  55. # config.
  56. ############ UAPI ############
  57. UAPI_DIR := uapi/audio
  58. UAPI_INC := -I$(AUDIO_ROOT)/include/$(UAPI_DIR)
  59. ############ COMMON ############
  60. COMMON_DIR := include
  61. COMMON_INC := -I$(AUDIO_ROOT)/$(COMMON_DIR)
  62. ############ WCD9378 ############
  63. # for WCD9378 Codec
  64. ifdef CONFIG_SND_SOC_WCD9378
  65. WCD9378_OBJS += wcd9378.o
  66. WCD9378_OBJS += wcd9378-regmap.o
  67. WCD9378_OBJS += wcd9378-tables.o
  68. WCD9378_OBJS += wcd9378-mbhc.o
  69. endif
  70. ifdef CONFIG_SND_SOC_WCD9378_SLAVE
  71. WCD9378_SLAVE_OBJS += wcd9378-slave.o
  72. endif
  73. LINUX_INC += -Iinclude/linux
  74. INCS += $(COMMON_INC) \
  75. $(UAPI_INC)
  76. ccflags-y += $(INCS)
  77. CDEFINES += -DANI_LITTLE_BYTE_ENDIAN \
  78. -DANI_LITTLE_BIT_ENDIAN \
  79. -DDOT11F_LITTLE_ENDIAN_HOST \
  80. -DANI_COMPILER_TYPE_GCC \
  81. -DANI_OS_TYPE_ANDROID=6 \
  82. -DPTT_SOCK_SVC_ENABLE \
  83. -Wall\
  84. -Werror\
  85. -D__linux__
  86. KBUILD_CPPFLAGS += $(CDEFINES)
  87. # Currently, for versions of gcc which support it, the kernel Makefile
  88. # is disabling the maybe-uninitialized warning. Re-enable it for the
  89. # AUDIO driver. Note that we must use EXTRA_CFLAGS here so that it
  90. # will override the kernel settings.
  91. ifeq ($(call cc-option-yn, -Wmaybe-uninitialized),y)
  92. ccflags-y += -Wmaybe-uninitialized
  93. endif
  94. #EXTRA_CFLAGS += -Wmissing-prototypes
  95. ifeq ($(call cc-option-yn, -Wheader-guard),y)
  96. ccflags-y += -Wheader-guard
  97. endif
  98. # Module information used by KBuild framework
  99. obj-$(CONFIG_SND_SOC_WCD9378) += wcd9378_dlkm.o
  100. wcd9378_dlkm-y := $(WCD9378_OBJS)
  101. obj-$(CONFIG_SND_SOC_WCD9378_SLAVE) += wcd9378_slave_dlkm.o
  102. wcd9378_slave_dlkm-y := $(WCD9378_SLAVE_OBJS)