Swiftにおけるインポートとリンクの仕組みを探る

Swiftにおけるインポートとリンクの仕組みを探る
iOSDC 2019

Transcript

1. Swiftʹ͓͚ΔΠϯϙʔτͱ ϦϯΫͷ࢓૊ΈΛ୳Δ
2. ࠓ೔࿩͢͜ͱ • SwiftͰओʹ࢖༻Ͱ͖ΔϥΠϒϥϦͷܗࣜ • ֤ܗࣜͷҧ͍ͱಛ௃ • Πϯϙʔτͱ͸Կ͔ • ϥΠϒϥϦΛImport͢ΔͨΊʹඞཁͳ͜ͱ • ϦϯΫͱ͸Կ͔ • ϥΠϒϥϦΛϦϯΫ͢ΔͨΊʹඞཁͳ͜ͱ
3. ϚχϡΞϧͰઃఆ XcodeͷػೳΛར༻͢Δ CocoaPods, CarthageΛར༻͢Δ ϥΠϒϥϦͷར༻ํ๏
4. ϚχϡΞϧͰઃఆ XcodeΛར༻͢Δ CocoaPods, CarthageΛར༻͢Δ ໰୊ղܾͷ೉қ౓ Hard Easy
5. ϚχϡΞϧͰઃఆ XcodeΛར༻͢Δ CocoaPods, CarthageΛར༻͢Δ ໰୊ղܾͷ೉қ౓ Hard Easy
6. ͳͥΠϯϙʔτͱϦϯΫʹ͍ͭͯ ஌Δඞཁ͕͋Δͷ͔ • ιϑτ΢ΣΞ։ൃͰ֎෦ͷϥΠϒϥϦΛར༻͢ΔͨΊ • ϥΠϒϥϦΛར༻͠ͳ͍͜ͱ͸ͳ͍ʢe.g. UIKitʣ • ϥΠϒϥϦͷར༻ऀͱͯ͠ɺར༻ʹ·ͭΘΔτϥϒϧΛղܾͰ ͖Δ • ϥΠϒϥϦͷ࡞੒ऀͱͯ͠ɺ഑෍ͷํ๏Λٕज़తʹ൑அͰ͖Δ • ϦϯΫͷઃఆ͸ར༻ऀ͕΍Δ΋ͷͳͷͰར༻ऀͷεΩϧͷ޲্ ͸ɺ࡞੒ऀɾར༻ऀͱ΋ʹϋοϐʔʹͳΔɻ
7. ͳͥΠϯϙʔτͱϦϯΫ͕ ೉͍͠ͷ͔ • ϥΠϒϥϦ͸ݟͨ໨Ͱ൑அͰ͖ͳ͍ҧ͍͕େ͖͍ • SwiftͰ͸IDE΍ίϯύΠϥʢυϥΠόʔʣʹΑΔ҉໧తͳॲཧ͕ ଟ͍ • ΠϯϙʔτͱϦϯΫ͸ಉ࣌ʹղܾ͞ΕΔΑ͏ʹΈ͑Δ͕ɺ࣮ࡍʹ ͸̎ͭʢҎ্ʣͷҟͳΔϑΣʔζͱϓϩηε • Τϥʔ͕ىͬͨ͜ͱ͖ɺද૚ͷΤϥʔϝοηʔδ͔Β͸ݪҼ͕ಡ ΈऔΕͳ͍ • ಉ͡ΤϥʔϝοηʔδͰ΋ݪҼ͸͞·͟·
8. ͳͥΠϯϙʔτͱϦϯΫ͕ ೉͍͠ͷ͔ • ൚༻తͳ஌ࣝͱXcode΍Swiftݻ༗ͷ஌ࣝͷ྆ํ͕ඞཁ • ݕࡧ͢ΔͱࣅͨΤϥʔϝοηʔδͷؔ܎ͳ͍࿩͕ͲΜͲΜ ग़ͯ͘Δ • Java΍RubyɺJavaScriptͳͲ͸VMͰಈ͘ͷͰωΠςΟϒ ίʔυͱͷϦϯΫΛΑΓ΋ચ࿅͞Εͨ࢓૊Έ͕͋Γɺͦ ͕͜τϥϒϧʹͳΔ͜ͱ͸গͳ͍
9. ࣮͸Τϥʔͷύλʔϯ͸গͳ͍
10. ࣮͸Τϥʔͷύλʔϯ͸গͳ͍
11. ࣮͸Τϥʔͷύλʔϯ͸গͳ͍
12. ࠓ೔ͷ࿩ͰಘΒΕΔ͜ͱ • ϥΠϒϥϦͷܗࣜʹؔ͢Δ஌ࣝ • ΠϯϙʔτͱϦϯΫͷ஌ࣝ • ΠϯϙʔτͱϦϯΫʹ·ͭΘΔτϥϒϧղܾͷೳྗ جૅ Ԡ༻ • ϥΠϒϥϦ࡞੒ʹ͓͚Δ഑෍ܗଶͷٕज़൑அ • ύοέʔδϚωʔδϟͷߴ౓ͳར༻
13. ϥΠϒϥϦʹ͍ͭͯ
14. ϥΠϒϥϦͷܗࣜ ֤ܗࣜͷҧ͍ͱಛ௃
15. ϥΠϒϥϦͷܗࣜͱҧ͍ ϥΠϒϥϦͷܗࣜͱҧ͍ ΠϯϙʔτͱϦϯΫʢXcodeΛ࢖༻ͯ͠ઃఆʣ ΠϯϙʔτͱϦϯΫʢϚχϡΞϧ࡞ۀͰઃఆʣ Ϟδϡʔϧͱ͸ ϦϯΫͱ͸
16. SwiftͰओʹ࢖༻Ͱ͖Δ ϥΠϒϥϦͷܗࣜ ϑϨʔϜϫʔΫ (e.g. UIKit.framework, RxSwift.framework) μΠφϛοΫɾϥΠϒϥϦ (e.g. libsqlite3.dylib, libz.dylib) ελςΟοΫɾϥΠϒϥϦ (e.g. libssl.a, libcrypto.a)
17. SwiftͰओʹ࢖༻Ͱ͖Δ ϥΠϒϥϦͷܗࣜ μΠφϛοΫɾϑϨʔϜϫʔΫ μΠφϛοΫɾϥΠϒϥϦ ελςΟοΫɾϥΠϒϥϦ ελςΟοΫɾϑϨʔϜϫʔΫ
18. SwiftͰओʹ࢖༻Ͱ͖Δ ϥΠϒϥϦͷܗࣜ ϞδϡʔϧΛؚΉμΠφϛοΫɾϑϨʔϜϫʔΫ μΠφϛοΫɾϥΠϒϥϦ ελςΟοΫɾϥΠϒϥϦ ϞδϡʔϧΛؚ·ͳ͍μΠφϛοΫɾϑϨʔϜϫʔΫ ϞδϡʔϧΛؚΉελςΟοΫɾϑϨʔϜϫʔΫ ϞδϡʔϧΛؚ·ͳ͍ελςΟοΫɾϑϨʔϜϫʔΫ
19. SwiftͰओʹ࢖༻Ͱ͖Δ ϥΠϒϥϦͷܗࣜ ✖
20. SwiftͰओʹ࢖༻Ͱ͖Δ ϥΠϒϥϦͷܗࣜ ✖
21. SwiftͰओʹ࢖༻Ͱ͖Δ ϥΠϒϥϦͷܗࣜ ✖ ✖
22. SwiftͰओʹ࢖༻Ͱ͖Δ ϥΠϒϥϦͷܗࣜ ✖
23. ݟͨ໨ͰΘ͔Γʹ͍͘ ҧ͍ͷ૊Έ߹Θͤ ϑϨʔϜϫʔΫ ϥΠϒϥϦ μΠφϛοΫ ελςΟοΫ Swift Objective-C C Ϟδϡʔϧ༗Γ Ϟδϡʔϧແ͠ ✖ ✖ ✖ ΞʔΩςΫνϟɾ ϓϥοτϑΥʔϜ ✖
24. ݟͨ໨ͰΘ͔ʹ͍͘ͳ͍ ҧ͍ͷ૊Έ߹Θͤ ϑϨʔϜϫʔΫ ϥΠϒϥϦ μΠφϛοΫ ελςΟοΫ Swift Objective-C C Ϟδϡʔϧ༗Γ Ϟδϡʔϧແ͠ ✖ ✖ ΞʔΩςΫνϟɾ ϓϥοτϑΥʔϜ ✖ ✖
25. ݟͨ໨ͰΘ͔ʹ͍͘ͳ͍ ҧ͍ͷ૊Έ߹Θͤ ϑϨʔϜϫʔΫ ϥΠϒϥϦ μΠφϛοΫ ελςΟοΫ Swift Objective-C C Ϟδϡʔϧ༗Γ Ϟδϡʔϧແ͠ ✖ ΞʔΩςΫνϟɾ ϓϥοτϑΥʔϜ ✖ ✖ ✖
26. ݟͨ໨ͰΘ͔ʹ͍͘ͳ͍ ҧ͍ͷ૊Έ߹Θͤ ϑϨʔϜϫʔΫ ϥΠϒϥϦ μΠφϛοΫ ελςΟοΫ Swift Objective-C C Ϟδϡʔϧ༗Γ Ϟδϡʔϧແ͠ ΞʔΩςΫνϟɾ ϓϥοτϑΥʔϜ ✖ ✖ ✖ ✖
27. ݟͨ໨ͰΘ͔ʹ͍͘ͳ͍ ҧ͍ͷ૊Έ߹Θͤ ϑϨʔϜϫʔΫ ϥΠϒϥϦ μΠφϛοΫ ελςΟοΫ Swift Objective-C C Ϟδϡʔϧ༗Γ Ϟδϡʔϧແ͠ ΞʔΩςΫνϟɾ ϓϥοτϑΥʔϜ ✖ ✖ ✖ ✖
28. ݟͨ໨ͰΘ͔ʹ͍͘ͳ͍ ҧ͍ͷ૊Έ߹Θͤ ϑϨʔϜϫʔΫ ϥΠϒϥϦ μΠφϛοΫ ελςΟοΫ Swift Objective-C C Ϟδϡʔϧ༗Γ Ϟδϡʔϧແ͠ ΞʔΩςΫνϟɾ ϓϥοτϑΥʔϜ ✖ ✖ ✖ ✖
29. ϑϨʔϜϫʔΫͱ ϥΠϒϥϦͷҧ͍
30. ϑϨʔϜϫʔΫͱϥΠϒϥϦͷҧ͍ όϯυϧΛ࣋ͭ όϯυϧΛ࣋ͨͳ͍ όϯυϧΛ࣋ͨͳ͍
31. όϯυϧͱ͸ʁ Appόϯυϧ Projectόϯυϧ Settingsόϯυϧ Frameworkόϯυϧ
32. όϯυϧͱ͸ʁ
33. ελςΟοΫϦϯΫ μΠφϛοΫϦϯΫ
34. ελςΟοΫϦϯΫ μΠφϛοΫϦϯΫ Static Library (*.a) Static Framework (*.framework) Dynamic Framework (*.framework) Dynamic Library (*.dylib)
35. ελςΟοΫϦϯΫ ίϯύΠϧ Static Linking
36. μΠφϛοΫϦϯΫ ίϯύΠϧ Dynamic Linking
37. ελςΟοΫϦϯΫ μΠφϛοΫϦϯΫ ʓʓ.app ××.app
38. ελςΟοΫϥΠϒϥϦ͔ μΠφϛοΫϥΠϒϥϦ͔Λௐ΂Δ $ file Usage: file [-bcCdEhikLlNnprsvzZ0] [--apple] [--extension] [--mime-encoding] [--mime-type] [-e <testname>] [-F <separator>] [-f <namefile>] [-m <magicfiles>] [-P <parameter=value>] <file> ... file -C [-m <magicfiles>] file [--help] file ίϚϯυ
39. ελςΟοΫϥΠϒϥϦ͔ μΠφϛοΫϥΠϒϥϦ͔Λௐ΂Δ $ file Logger.framework/Logger Logger.framework/Logger: Mach-O universal binary with 2 architectures: [x86_64:Mach-O 64-bit x86_64 dynamically linked shared library,... [arm64:Mach-O 64-bit arm64 dynamically linked shared library,...
40. όϯυϧ༗Γ όϯυϧແ͠ ελςΟοΫϦϯΫ μΠφϛοΫϦϯΫ Static Library Static Framework Dynamic Library Dynamic Framework
41. ΠϯϙʔτͱϦϯΫ
42. ΠϯϙʔτͱϦϯΫ ϥΠϒϥϦͷܗࣜͱҧ͍ ΠϯϙʔτͱϦϯΫʢXcodeΛ࢖༻ͯ͠ઃఆʣ ΠϯϙʔτͱϦϯΫʢϚχϡΞϧ࡞ۀͰઃఆʣ Ϟδϡʔϧͱ͸ ϦϯΫͱ͸
43. Πϯϙʔτ • ֎෦ϥΠϒϥϦʢࣗ෼͕ॻ͍ͨίʔυҎ֎ʣΛࣗ෼ͷ ίʔυϕʔεͰར༻Մೳʹ͢Δߏจɾݴޠػೳ • ϥΠϒϥϦ͕ެ։͍ͯ͠ΔγϯϘϧʢΫϥεɾؔ਺ͳͲʣ Λࣗ෼ͷίʔυͰࢀরͰ͖ΔΑ͏ʹ͢Δ • ֤ϑΝΠϧʢίϯύΠϧ୯ҐʣΛίϯύΠϧ͢Δ࣌఺Ͱղ ܾ͞ΕΔ
44. ϦϯΫ • ιʔείʔυΛίϯύΠϧͯ͠ੜ੒͞ΕͨΦϒδΣΫτ ϑΝΠϧɺ͓Αͼ֎෦ϥΠϒϥϦΛ͢΂ͯ࿈݁ʢϦϯΫʣ ͯ̍ͭ͠ͷ࣮ߦܗࣜϑΝΠϧɺ͋Δ͍͸ϥΠϒϥϦΛੜ੒ ͢Δ • ϦϯΧ͕ߦ͏ • ͢΂ͯͷιʔείʔυΛίϯύΠϧͨ͠ޙʹߦΘΕΔ • ͢΂ͯͷγϯϘϧ͕ղܾ͞ΕΔ
45. ࣮ࡍʹ֬ೝͯ͠ΈΑ͏
46. ϥΠϒϥϦΛར༻͢Δ Ұൠతʢ҉໧తʣͳํ๏
47. XcodeΛ࢖ͬͯ֎෦ϥΠϒϥϦΛ ར༻Մೳʹ͢Δ
54. Xcode͸҉໧తʹ ԿΛ͍ͯ͠Δͷ͔
56. Updated on Xcode 11
62. Xcode͕ઃఆ͢Δ΋ͷ • FRAMEWORK_SEARCH_PATHSʹϑϨʔϜϫʔΫ͕͋Δ σΟϨΫτϦͷ਌σΟϨΫτϦΛ௥Ճ • Linked Framework and LibrariesʹϑϨʔϜϫʔΫΛ௥Ճ • Build PhaseʹCopy Files PhaseΛ௥Ճͯ͠ϑϨʔϜϫʔΫ ΛΞϓϦέʔγϣϯόϯυϧͷFrameworksσΟϨΫτϦ ʹίϐʔ͢Δ
63. FRAMEWORK_SEARCH_PATHSΛ ௐ΂Δ
64. ফͯ͠ΈΔ
65. ΠϯϙʔτͰΤϥʔ
66. Copy Files PhaseΛ ௐ΂Δ
70. Automatic Linking
72. Automatic LinkingΛ ແޮʹ͢Δ
73. -disable-autolink-framework
75. Import == Link Automatic Linking
79. ΠϯϙʔτͱϦϯΫ ϥΠϒϥϦͷܗࣜͱҧ͍ ΠϯϙʔτͱϦϯΫʢXcodeΛ࢖༻ͯ͠ઃఆʣ ΠϯϙʔτͱϦϯΫʢϚχϡΞϧ࡞ۀͰઃఆʣ Ϟδϡʔϧͱ͸ ϦϯΫͱ͸
80. ϑϨʔϜϫʔΫ͔Β ϑΝΠϧΛফͯ͠ΈΔ
81. ϑϨʔϜϫʔΫ͔Β ϑΝΠϧΛফͯ͠ΈΔ
82. ϑϨʔϜϫʔΫ͔Β ϑΝΠϧΛফͯ͠ΈΔ
83. ϑϨʔϜϫʔΫ͔Β ϑΝΠϧΛফͯ͠ΈΔ
84. Ϟδϡʔϧ
85. Ϟδϡʔϧͱ͸ ϥΠϒϥϦͷܗࣜͱҧ͍ ΠϯϙʔτͱϦϯΫʢXcodeΛ࢖༻ͯ͠ઃఆʣ ΠϯϙʔτͱϦϯΫʢϚχϡΞϧ࡞ۀͰઃఆʣ Ϟδϡʔϧͱ͸ ϦϯΫͱ͸
86. Ϟδϡʔϧ
87. BUILD_LIBRARY_FOR_DISTRIBUTION = YES
88. ϞδϡʔϧʢSwiftҎ֎ʣ
89. ಠࣗϞδϡʔϧΛఆٛ͢Δ
90. Module MapϑΝΠϧͷྫ
91. Bridging Headerͱͷҧ͍ • Module Map͸Bridging Headerͷ্Ґޓ׵ • Bridging Header͸ΞϓϦέʔγϣϯλʔήοτͰ͔͠࢖ ͑ͳ͍ʢϑϨʔϜϫʔΫͷ։ൃͰ͸࢖͑ͳ͍ʣ • Bridging Header͸άϩʔόϧʹ࡞༻͢ΔͷͰඞཁͳͱ͜ ͱ͚ͩͰImport͢Δͱ͍͏͜ͱ͕Ͱ͖ͳ͍ • ϓϩδΣΫτʹObjective-CͷϑΝΠϧ͕ࠞ͟Δ৔߹ʹͩ ͚࢖͏ͷ͕Α͍ʢͦͷ৔߹Ͱ΋Module Map͸࢖͑Δʣ
92. Ϟδϡʔϧͷ໾ׂ • Swift͕ϥΠϒϥϦΛΠϯϙʔτ͢Δʹ͸Ϟδϡʔϧ͕ඞ ཁʢʹΠϯϙʔτ͸Ϟδϡʔϧ͚ͩ͋Ε͹ྑ͍ʣ • PublicͳAPIͷએݴ • Objective-C/CͷϥΠϒϥϦΛΠϯϙʔτ͢Δʹ͸ɺϔο μϑΝΠϧ (.h) ΛModulemapͰϞδϡʔϧʹม׵͢Δ • Swift੡ͷϥΠϒϥϦͰ͸Ϟδϡʔϧ͸ίϯύΠϥ͕ࣗಈ తʹੜ੒͢Δ
93. Module Stability
94. https://forums.swift.org/t/plan-for-module-stability/14551 Module Stability
95. ϞδϡʔϧΛΠϯϙʔτ͢Δʹ͸ import Logger Logger Logger
96. ϞδϡʔϧΛΠϯϙʔτ͢Δʹ͸ FRAMEWORK_SEARCH_PATHS Modules import Logger Logger Logger
97. ϞδϡʔϧΛΠϯϙʔτ͢Δʹ͸ import Marketo Marketo Marketo
98. ϞδϡʔϧΛΠϯϙʔτ͢Δʹ͸ SWIFT_INCLUDE_PATHS module.modulemap import Marketo Marketo Marketo
99. ϦϯΫ
100. ϦϯΫͱ͸ ϥΠϒϥϦͷܗࣜͱҧ͍ ΠϯϙʔτͱϦϯΫʢXcodeΛ࢖༻ͯ͠ઃఆʣ ΠϯϙʔτͱϦϯΫʢϚχϡΞϧ࡞ۀͰઃఆʣ Ϟδϡʔϧͱ͸ ϦϯΫͱ͸
101. ϦϯΫͱ͸ • ίϯύΠϧͰੜ੒͞ΕͨΦϒδΣΫτϑΝΠϧͱϥΠϒϥ ϦʢΦϒδΣΫτϑΝΠϧͷू߹ʣΛ̍ͭʹ࿈݁ʢϦϯ Ϋʣ͢Δ • ίϯύΠϧͰੜ੒͞ΕͨΦϒδΣΫτϑΝΠϧͷϦϯΫ͸ ࣦഊ͠ͳ͍ͷͰɺΤϥʔ͕ى͜Δͱͨ͠Β֎෦ϥΠϒϥϦ ͱͷϦϯΫ
102. ϦϯΫͱ͸ ίϯύΠϧ Static Linking ίϯύΠϧ Dynamic Linking
103. ϥΠϒϥϦΛϦϯΫ͢Δʹ͸ʢXcodeʣ
104. ϑϨʔϜϫʔΫΛϦϯΫ͢Δʹ͸ • FRAMEWORK_SEARCH_PATHSʹϑϨʔϜϫʔΫ͕͋Δ σΟϨΫτϦͷ਌σΟϨΫτϦΛࢦఆ͢Δ • OTHER_LDFLAGSʹ-framework <FrameworkName> ͱࢦఆ͢Δ
 ʢe.g. -framework RxSwift, -framework "Alamofire"ʣ
105. ϑϨʔϜϫʔΫΛϦϯΫ͢Δʹ͸
106. ϥΠϒϥϦΛϦϯΫ͢Δʹ͸ • ϥΠϒϥϦͷ͋ΔσΟϨΫτϦͷ਌σΟϨΫτϦΛ LIBRARY_SEARCH_PATHSʹࢦఆ͢Δ • OTHER_LDFLAGSʹ-l<LibraryName>ͱࢦఆ͢Δ
 ʢe.g. -lsqlite3, -l"crypto"ʣ • ϥΠϒϥϦ໊ͷϧʔϧ
 ʢlibsqlite3.dylib => sqlite3 ɹlibssl.a => sslʣ
107. ϥΠϒϥϦΛϦϯΫ͢Δʹ͸
108. ϥΠϒϥϦΛϦϯΫ͢Δʹ͸ libssl.a FRAMEWORK_SEARCH_PATHS LIBRARY_SEARCH_PATHS OTHER_LDFLAGS = -framework "RxSwift" -l"ssl" RxSwift
109. ϥΠϒϥϦΛϦϯΫ͢Δʹ͸
110. ΞʔΩςΫνϟɾϓϥοτϑΥʔϜ͕ Ұக͠ͳ͚Ε͹ͳΒͳ͍ iOS Simulator x86_64 iOS Device arm7v iOS Device arm64 .app iOS Device arm64 ❌ ❌ ✅
111. αʔνύεΛม਺Խ͢Δ
112. CONFIGURATION_BUILD_DIR αʔνύεΛม਺Խ͢Δ CONFIGURATION_BUILD_DIR BUILD_DIR CONFIGURATION EFFECTIVE_PLATFORM_NAME .../Build/Products Debug -iphoneos FRAMEWORK_SEARCH_PATHS = "$(CONFIGURATION_BUILD_DIR)/Firebase" e.g.
113. Universal (Fat) Binary https://darkdonno.wordpress.com/2010/11/06/a-look-at-mach-o/
114. Universal Binary (lipo) $ xcrun lipo -create <...> <...> -output <...>
115. Universal Binary (lipo) $ xcrun lipo -info <...>
116. Universal Binary (Carthage)
117. XCFramework
118. μΠφϛοΫϑϨʔϜϫʔΫͷ৔߹
119. μΠφϛοΫϑϨʔϜϫʔΫͷ৔߹ @executable_path/Frameworks OTHER_LDFLAGS = -framework "RxSwift" @loader_path @rpath
120. ໰୊ղܾYES/NOνϟʔτ ϥΠϒϥϦͷܗࣜͱҧ͍ ΠϯϙʔτͱϦϯΫʢXcodeΛ࢖༻ͯ͠ઃఆʣ ΠϯϙʔτͱϦϯΫʢϚχϡΞϧ࡞ۀͰઃఆʣ Ϟδϡʔϧͱ͸ ϦϯΫͱ͸
121. ໰୊ղܾYES/NOνϟʔτ YESʢϦϯΫͷΤϥʔʣ Q1 ϦϯΫΤϥʔͰ͔͢ʁ NOʢΠϯϙʔτͷΤϥʔʣ
122. ໰୊ղܾYES/NOνϟʔτ YESʢ*.frameworkʣ Q2 Πϯϙʔτ͠Α͏ͱ͍ͯ͠Δͷ͸ ϑϨʔϜϫʔΫͰ͔͢ʁ NOʢ*.aʣ
123. ໰୊ղܾYES/NOνϟʔτ YES Q3 ϑϨʔϜϫʔΫʹϞδϡʔϧ͸ ؚ·Ε͍ͯ·͔͢ʁ NO
124. ໰୊ղܾYES/NOνϟʔτ A αʔνύε͕ਖ਼͍͔֬͠ೝ͍ͯͩ͘͠͞
125. యܕతͳΤϥʔ
126. యܕతͳΤϥʔ
127. యܕతͳΤϥʔ
128. యܕతͳΤϥʔ
129. యܕతͳΠϯϙʔτΤϥʔ • αʔνύε͕ؒҧ͍ͬͯΔ • Ϟδϡʔϧ͕ͳ͍ • Module Mapʹॻ͔Ε͍ͯΔϔομ͕ࢀরͰ͖ͳ͍ • Swift 5.0·Ͱ͸όʔδϣϯͷҧ͏ίϯύΠϥͰϏϧυͨ͠Ϟ δϡʔϧΛΠϯϙʔτͰ͖ͳ͍ • ModuleMapͷ໊લ͕ϧʔϧ͔Β֎Ε͍ͯΔ
 -Xcc -fmodule-map-file="....modulemap"
130. యܕతͳϦϯΫΤϥʔ • αʔνύε͕ؒҧ͍ͬͯΔ • ର৅ͷΞʔΩςΫνϟɾϑϨʔϜϫʔΫͷόΠφϦ͕Ϗϧυ͞Εͯͳ ͍ • dyld: image not found • μΠφϛοΫϑϨʔϜϫʔΫ͕ίϐʔ͞Εͯͳ͍ • େจࣈখจࣈͷҧ͍ • Swift 4.2·Ͱ͸όʔδϣϯͷҧ͏ίϯύΠϥͰϏϧυͨ͠όΠφϦΛ ϦϯΫͰ͖ͳ͍
131. ΞʔΩςΫνϟ͕ݟ͔ͭΒͳ͍ • xcrun lipo -info ... • CocoaPodsΛ࢖͍ͬͯΔͳΒ͢΂ͯͷΞʔΩςΫνϟ͕ Ϗϧυ͞Ε͍ͯΔ͔ • Ϗϧυߏ੒ͷ໰୊
132. Ԡ༻ฤ
133. CϥΠϒϥϦʹґଘʢϦϯΫʣ͢Δ ϑϨʔϜϫʔΫΛ࡞੒͢Δ 1. ར༻ऀ͕ࣗ෼ͰCϥΠϒϥϦͷϦϯΫΛઃఆ͢Δ 2. ར༻ऀ͔Β͸CϥΠϒϥϦͷଘࡏ͸Ӆ͍ͨ͠
134. CocoaPodsΛϫʔΫεϖʔεʹ ౷߹ͤͣʹ࢖༻͢Δ • CocoaPods͕αʔνύε΍ϦϯΧϑϥάࣗಈઃఆ͢Δػ ೳΛ࢖Θͣʹɺࣗ෼Ͱ֤ϥΠϒϥϦΛϏϧυ͠ϦϯΫͷ ઃఆΛ͢Δɻ
 ϫʔΫεϖʔεʹCocoaPodsͷઃఆ͕ࠞ͟Βͣʹॊೈ͔ ͭγϯϓϧʹར༻Ͱ͖Δ͜ͱ͕ϝϦοτɻ
135. CarthageͰϏϧυͤͣʹ ϓϩδΣΫτࢀরͰ؅ཧ͢Δ • Carhage͸ϢχόʔαϧόΠφϦΛࣗಈతʹϏϧυͯ͘͠ ΕΔ͕ɺσόοά͠ʹ͍͘ͳͲσϝϦοτ΋͋ΔͷͰɺϏ ϧυͤͣʹϓϩδΣΫτͷνΣοΫΞ΢τ͚ͩͯ͠ར༻͢ Δɻ
136. ෳ਺ͷμΠφϛοΫϑϨʔϜϫʔΫΛ ̍ͭͷϑϨʔϜϫʔΫʹ౷߹͢Δ • μΠφϛοΫϑϨʔϜϫʔΫ͕૿͑ͯ͘Δͱىಈ࣌ؒʹӨ ڹΛ༩͑Δʢdyld2ͷ৔߹ʣ
 ͦͷͨΊ֤ϑϨʔϜϫʔΫΛελςΟοΫϦϯΫͯ͠ɺ̍ ͭͷେ͖ͳμΠφϛοΫϑϨʔϜϫʔΫʹ͢Δ • Ϟδϡʔϧ͸ݩͷ෼͔Εͨঢ়ଶͰࢀর͢ΔͱศརʢΠϯ ϙʔτ͸ίϯύΠϧ͚࣌ͩͳͷͰϑϨʔϜϫʔΫͷߏ଄ͱ ঢ়ଶ͕ҟͳͬͯ΋໰୊ͳ͍ʣ
137. Recap • Πϯϙʔτ͸ϞδϡʔϧΛࣗ෼ͷίʔυϕʔεͰར༻Մೳ ʹ͢Δ • ϦϯΫ͸͢΂ͯͷϑΝΠϧͷίϯύΠϧޙɺΦϒδΣΫτ ϑΝΠϧͱϥΠϒϥϦΛ݁߹͢Δ • αʔνύεͱίϯύΠϥϑϥάͰίϯτϩʔϧ • ίϯύΠϥͱϦϯΧ͸ίϯϐϡʔλαΠΤϯεͷͲਅΜத • ௿ϨΠϠʔΛ୳ࡧָ͍ͯ͘͠͠͞
138. Reference • Creation of pure Swift module
 https://railsware.com/blog/creation-of-pure-swift-module/ • Mach-O Universal / Fat Binaries – Symbol Crash
 https://www.symbolcrash.com/2019/02/26/mach-o-universal-fat-binaries/ • Parsing Mach-O files - Low Level Bits
 https://lowlevelbits.org/parsing-mach-o-files/ • Swift Imports
 https://thoughtbot.com/blog/swift-imports
139. Reference • Static and Dynamic Libraries
 https://pewpewthespells.com/blog/static_and_dynamic_libraries.html • Framework vs Library (Cocoa, iOS) – Knowledge Stack
 http://www.knowstack.com/framework-vs-library-cocoa-ios/ • Static linking vs dyld3
 https://allegro.tech/2018/05/Static-linking-vs-dyld3.html • Understanding Xcode Build System
 https://www.vadimbulavin.com/xcode-build-system/
140. Reference • Static and Dynamic Libraries and Frameworks in iOS
 https://www.vadimbulavin.com/static-dynamic-frameworks-and-libraries/ • Static Library, Dynamic Library and Framework in iOS
 https://medium.com/@arkilis/static-library-dynamic-library-and-framework-in-ios-df137f29a3e9 • Dynamic Versus Static Framework in iOS - CA for Developers
 https://www.ca.com/en/blog-developers/dynamic-versus-static-framework-in-ios.html • Overview: iOS Static and Dynamic Frameworks and Libraries
 https://www.runtastic.com/blog/en/frameworks-ios/
141. Reference • Undocumented Mac OS Xɿୈ12ճɹUniversal Binaryʲલฤʳ (1/5)
 https://www.itmedia.co.jp/enterprise/articles/0711/30/news014.html • Undocumented Mac OS Xɿୈ13ճɹUniversal Binaryʲޙฤʳ (1/4)
 https://www.itmedia.co.jp/enterprise/articles/0712/27/news012.html