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一、编译环境搭建
(更细节的环境搭建请参考：How to Build CyanogenMod for Nexus 7 (Wi-Fi, 2012 version) (codename: grouper))
1、在执行了source build/envsetup.sh的时候，会执行vendor/cm/vendorsetup.sh：
for combo in $(curl -s https://raw.githubusercontent.com/CyanogenMod/hudson/master/cm-build-targets | sed -e ‘s/#.*$//‘ | grep cm-12.1 | awk ‘{printf "cm_%s-%s\n", $1, $2}‘) do add_lunch_combo $combo done
这里会联网下载文件：https://raw.githubusercontent.com/CyanogenMod/hudson/master/cm-build-targets，它的内容如下：
root@pengdl-HP:/home/pengdl/work/study/nexus7/Nexus7# curl -s https://raw.githubusercontent.com/CyanogenMod/hudson/master/cm-build-targets # CM build target list # <device> <build_type> <version> [period: "D"aily, "W"eekly or "M"onthly] # Absence of a period indicates Daily (the default) # Daily cm-12.1 acclaim userdebug cm-12.1 amami userdebug cm-12.1 bacon userdebug cm-12.1 castor userdebug cm-12.1 castor_windy userdebug cm-12.1 condor userdebug cm-12.1 d2att userdebug cm-12.1 d2spr userdebug cm-12.1 d2tmo userdebug cm-12.1 d2vzw userdebug cm-12.1 d800 userdebug cm-12.1 d801 userdebug cm-12.1 d802 userdebug cm-12.1 d803 userdebug cm-12.1 d850 userdebug cm-12.1 d851 userdebug cm-12.1 d852 userdebug cm-12.1 d855 userdebug cm-12.1 deb userdebug cm-12.1 dlx userdebug cm-12.1 e975 userdebug cm-12.1 e980 userdebug cm-12.1 evita userdebug cm-12.1 falcon userdebug cm-12.1 find7 userdebug cm-12.1 find7s userdebug cm-12.1 flo userdebug cm-12.1 flounder userdebug cm-12.1 fugu userdebug cm-12.1 ghost userdebug cm-12.1 grouper userdebug cm-12.1 hammerhead userdebug cm-12.1 hammerheadcaf userdebug cm-12.1 hlte userdebug cm-12.1 hltespr userdebug cm-12.1 hltetmo userdebug cm-12.1 i605 userdebug cm-12.1 i777 userdebug cm-12.1 i9100 userdebug cm-12.1 i925 userdebug cm-12.1 honami userdebug cm-12.1 huashan userdebug cm-12.1 jactivelte userdebug cm-12.1 jem userdebug cm-12.1 jflteatt userdebug cm-12.1 jfltespr userdebug cm-12.1 jfltetmo userdebug cm-12.1 jfltevzw userdebug cm-12.1 jfltexx userdebug cm-12.1 klimtwifi userdebug cm-12.1 klte userdebug cm-12.1 kltechn userdebug cm-12.1 kltechnduo userdebug cm-12.1 klteduos userdebug cm-12.1 kltedv userdebug cm-12.1 kltekdi userdebug cm-12.1 kltespr userdebug cm-12.1 l900 userdebug cm-12.1 lettuce userdebug cm-12.1 ls980 userdebug cm-12.1 ls990 userdebug cm-12.1 m7 userdebug cm-12.1 m7vzw userdebug cm-12.1 m8 userdebug cm-12.1 mako userdebug cm-12.1 manta userdebug cm-12.1 maserati userdebug cm-12.1 mb886 userdebug cm-12.1 mondrianwifi userdebug cm-12.1 n3 userdebug cm-12.1 n5100 userdebug cm-12.1 n5110 userdebug cm-12.1 nicki userdebug cm-12.1 obake userdebug cm-12.1 peregrine userdebug cm-12.1 picassowifi userdebug cm-12.1 pollux userdebug cm-12.1 pollux_windy userdebug cm-12.1 quark userdebug cm-12.1 rendang userdebug cm-12.1 scorpion userdebug cm-12.1 scorpion_windy userdebug cm-12.1 serrano3gxx userdebug cm-12.1 serranoltexx userdebug cm-12.1 shamu userdebug cm-12.1 sirius userdebug cm-12.1 spyder userdebug cm-12.1 superior userdebug cm-12.1 t0lte userdebug cm-12.1 t6 userdebug cm-12.1 t6spr userdebug cm-12.1 t6vzw userdebug cm-12.1 targa userdebug cm-12.1 tate userdebug cm-12.1 tf300t userdebug cm-12.1 thea userdebug cm-12.1 tilapia userdebug cm-12.1 titan userdebug cm-12.1 togari userdebug cm-12.1 togari_gpe userdebug cm-12.1 tomato userdebug cm-12.1 trltespr userdebug cm-12.1 trltetmo userdebug cm-12.1 trltexx userdebug cm-12.1 umts_spyder userdebug cm-12.1 v400 userdebug cm-12.1 v410 userdebug cm-12.1 v500 userdebug cm-12.1 victara userdebug cm-12.1 ville userdebug cm-12.1 vs980 userdebug cm-12.1 vs985 userdebug cm-12.1 xt897 userdebug cm-12.1 xt907 userdebug cm-12.1 xt925 userdebug cm-12.1 xt926 userdebug cm-12.1 z3 userdebug cm-12.1 z3c userdebug cm-12.1 # Weekly cm-12.0 a5 userdebug cm-12.0 W e970 userdebug cm-12.0 W find5 userdebug cm-12.0 W jewel userdebug cm-12.0 W ks01lte userdebug cm-12.0 W ls970 userdebug cm-12.0 W m7spr userdebug cm-12.0 W mint userdebug cm-12.0 W taoshan userdebug cm-12.0 W trlteusc userdebug cm-12.0 W tsubasa userdebug cm-12.0 W # Weekly cm-11.0 a700 userdebug cm-11.0 W apexqtmo userdebug cm-11.0 W aries userdebug cm-11.0 W captivatemtd userdebug cm-11.0 W crespo userdebug cm-11.0 W d710 userdebug cm-11.0 W dogo userdebug cm-11.0 W e973 userdebug cm-11.0 W encore userdebug cm-11.0 W endeavoru userdebug cm-11.0 W enrc2b userdebug cm-11.0 W epicmtd userdebug cm-11.0 W exhilarate userdebug cm-11.0 W expressatt userdebug cm-11.0 W fireball userdebug cm-11.0 W galaxysbmtd userdebug cm-11.0 W galaxysmtd userdebug cm-11.0 W hercules userdebug cm-11.0 W hlteusc userdebug cm-11.0 W hltevzw userdebug cm-11.0 W hummingbird userdebug cm-11.0 W i9100g userdebug cm-11.0 W i9300 userdebug cm-11.0 W i9305 userdebug cm-11.0 W i9500 userdebug cm-11.0 W jflte userdebug cm-11.0 W klteusc userdebug cm-11.0 W kltevzw userdebug cm-11.0 W l01f userdebug cm-11.0 W m4 userdebug cm-11.0 W maguro userdebug cm-11.0 W n1 userdebug cm-11.0 W n5120 userdebug cm-11.0 W n7000 userdebug cm-11.0 W n7100 userdebug cm-11.0 W odin userdebug cm-11.0 W otter userdebug cm-11.0 W otter2 userdebug cm-11.0 W otterx userdebug cm-11.0 W ovation userdebug cm-11.0 W p1 userdebug cm-11.0 W p3100 userdebug cm-11.0 W p3110 userdebug cm-11.0 W p5100 userdebug cm-11.0 W p5110 userdebug cm-11.0 W p880 userdebug cm-11.0 W p930 userdebug cm-11.0 W r950 userdebug cm-11.0 W sc02c userdebug cm-11.0 W skyrocket userdebug cm-11.0 W t769 userdebug cm-11.0 W tf700t userdebug cm-11.0 W tf701t userdebug cm-11.0 W vs920 userdebug cm-11.0 W w7 userdebug cm-11.0 W ypg1 userdebug cm-11.0 W yuga userdebug cm-11.0 W
其中需要关注的是 grouper user-debug cm-12.1
然后执行lunch
root@pengdl-HP:/home/pengdl/work/study/nexus7/Nexus7# lunch You‘re building on Linux Lunch menu... pick a combo: 1. aosp_arm64-eng 45. cm_huashan-userdebug 89. cm_scorpion_windy-userdebug 2. aosp_arm-eng 46. cm_i605-userdebug 90. cm_serrano3gxx-userdebug 3. aosp_grouper-userdebug 47. cm_i777-userdebug 91. cm_serranoltexx-userdebug 4. aosp_mips64-eng 48. cm_i9100-userdebug 92. cm_shamu-userdebug 5. aosp_mips-eng 49. cm_i925-userdebug 93. cm_sirius-userdebug 6. aosp_x86_64-eng 50. cm_jactivelte-userdebug 94. cm_spyder-userdebug 7. aosp_x86-eng 51. cm_jem-userdebug 95. cm_superior-userdebug 8. cm_acclaim-userdebug 52. cm_jflteatt-userdebug 96. cm_t0lte-userdebug 9. cm_amami-userdebug 53. cm_jfltespr-userdebug 97. cm_t6spr-userdebug 10. cm_bacon-userdebug 54. cm_jfltetmo-userdebug 98. cm_t6-userdebug 11. cm_castor-userdebug 55. cm_jfltevzw-userdebug 99. cm_t6vzw-userdebug 12. cm_castor_windy-userdebug 56. cm_jfltexx-userdebug 100. cm_targa-userdebug 13. cm_condor-userdebug 57. cm_klimtwifi-userdebug 101. cm_tate-userdebug 14. cm_d2att-userdebug 58. cm_kltechnduo-userdebug 102. cm_tf300t-userdebug 15. cm_d2spr-userdebug 59. cm_kltechn-userdebug 103. cm_thea-userdebug 16. cm_d2tmo-userdebug 60. cm_klteduos-userdebug 104. cm_tilapia-userdebug 17. cm_d2vzw-userdebug 61. cm_kltedv-userdebug 105. cm_titan-userdebug 18. cm_d800-userdebug 62. cm_kltekdi-userdebug 106. cm_togari_gpe-userdebug 19. cm_d801-userdebug 63. cm_kltespr-userdebug 107. cm_togari-userdebug 20. cm_d802-userdebug 64. cm_klte-userdebug 108. cm_tomato-userdebug 21. cm_d803-userdebug 65. cm_l900-userdebug 109. cm_trltespr-userdebug 22. cm_d850-userdebug 66. cm_lettuce-userdebug 110. cm_trltetmo-userdebug 23. cm_d851-userdebug 67. cm_ls980-userdebug 111. cm_trltexx-userdebug 24. cm_d852-userdebug 68. cm_ls990-userdebug 112. cm_umts_spyder-userdebug 25. cm_d855-userdebug 69. cm_m7-userdebug 113. cm_v400-userdebug 26. cm_deb-userdebug 70. cm_m7vzw-userdebug 114. cm_v410-userdebug 27. cm_dlx-userdebug 71. cm_m8-userdebug 115. cm_v500-userdebug 28. cm_e975-userdebug 72. cm_mako-userdebug 116. cm_victara-userdebug 29. cm_e980-userdebug 73. cm_manta-userdebug 117. cm_ville-userdebug 30. cm_evita-userdebug 74. cm_maserati-userdebug 118. cm_vs980-userdebug 31. cm_falcon-userdebug 75. cm_mb886-userdebug 119. cm_vs985-userdebug 32. cm_find7s-userdebug 76. cm_mondrianwifi-userdebug 120. cm_xt897-userdebug 33. cm_find7-userdebug 77. cm_n3-userdebug 121. cm_xt907-userdebug 34. cm_flounder-userdebug 78. cm_n5100-userdebug 122. cm_xt925-userdebug 35. cm_flo-userdebug 79. cm_n5110-userdebug 123. cm_xt926-userdebug 36. cm_fugu-userdebug 80. cm_nicki-userdebug 124. cm_z3c-userdebug 37. cm_ghost-userdebug 81. cm_obake-userdebug 125. cm_z3-userdebug 38. cm_grouper-userdebug 82. cm_peregrine-userdebug 126. m_e_arm-userdebug 39. cm_hammerheadcaf-userdebug 83. cm_picassowifi-userdebug 127. mini_emulator_arm64-userdebug 40. cm_hammerhead-userdebug 84. cm_pollux-userdebug 128. mini_emulator_mips-userdebug 41. cm_hltespr-userdebug 85. cm_pollux_windy-userdebug 129. mini_emulator_x86_64-userdebug 42. cm_hltetmo-userdebug 86. cm_quark-userdebug 130. mini_emulator_x86-userdebug 43. cm_hlte-userdebug 87. cm_rendang-userdebug 44. cm_honami-userdebug 88. cm_scorpion-userdebug
选择38.
编译
mka bacon
2、修改内核配置
如果想编译模块，Nexus7的内核默认配置是不允许的，所以需要修改默认配置，配置文件是 cyanogenmod_grouper_defconfig
首先将这个默认配置备份一下
cd kernel/asus/grouer/arch/arm/configs/
cp cyanogenmod_grouper_defconfig cyanogenmod_grouper_defconfig_bak
修改配置
root@pengdl-HP:/home/pengdl/work/study/nexus7/Nexus7/kernel/asus/grouper# make ARCH=arm cyanogenmod_grouper_defconfig HOSTCC scripts/basic/fixdep HOSTCC scripts/kconfig/conf.o SHIPPED scripts/kconfig/zconf.tab.c SHIPPED scripts/kconfig/zconf.lex.c SHIPPED scripts/kconfig/zconf.hash.c HOSTCC scripts/kconfig/zconf.tab.o HOSTLD scripts/kconfig/conf # # configuration written to .config # #### make completed successfully (10 seconds) ####
cd kernel/asus/grouper/
make ARCH=arm menuconfig
作如下修改:
[*] Enable loadable module support --->
[*] Forced module loading
[*] Module unloading
[*] Forced module unloading
需改完后，保存退出，用.config 覆盖 cyanogenmod_grouper_defconfig
然后清理环境：
make mrproper
然后再利用Android的编译系统编译出的boot.img就可以加载模块了。
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原文地址：http://www.cnblogs.com/pengdonglin137/p/4705685.html
