Icse2011 build maintenance

Editor's Notes

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13. Cars have features like AC and Power windows...\nSoftware has features... Linux -> CPU freq scaling, pluggable module support\nYou need tools to build a car, and you also need tools...compilers and linkers...\n
14. Cars have features like AC and Power windows...\nSoftware has features... Linux -> CPU freq scaling, pluggable module support\nYou need tools to build a car, and you also need tools...compilers and linkers...\n
15. Cars have features like AC and Power windows...\nSoftware has features... Linux -> CPU freq scaling, pluggable module support\nYou need tools to build a car, and you also need tools...compilers and linkers...\n
16. Cars have features like AC and Power windows...\nSoftware has features... Linux -> CPU freq scaling, pluggable module support\nYou need tools to build a car, and you also need tools...compilers and linkers...\n
17. Cars have features like AC and Power windows...\nSoftware has features... Linux -> CPU freq scaling, pluggable module support\nYou need tools to build a car, and you also need tools...compilers and linkers...\n
18. Cars have features like AC and Power windows...\nSoftware has features... Linux -> CPU freq scaling, pluggable module support\nYou need tools to build a car, and you also need tools...compilers and linkers...\n
19. Cars have features like AC and Power windows...\nSoftware has features... Linux -> CPU freq scaling, pluggable module support\nYou need tools to build a car, and you also need tools...compilers and linkers...\n
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38. devs: constantly have to rebuilt artifacts to test changes... bld sys incrementally updates builds\n\n\n
39. devs: constantly have to rebuilt artifacts to test changes... bld sys incrementally updates builds\n\n\n
40. devs: constantly have to rebuilt artifacts to test changes... bld sys incrementally updates builds\n\n\n
41. devs: constantly have to rebuilt artifacts to test changes... bld sys incrementally updates builds\n\n\n
42. devs: constantly have to rebuilt artifacts to test changes... bld sys incrementally updates builds\n\n\n
43. devs: constantly have to rebuilt artifacts to test changes... bld sys incrementally updates builds\n\n\n
44. devs: constantly have to rebuilt artifacts to test changes... bld sys incrementally updates builds\n\n\n
45. devs: constantly have to rebuilt artifacts to test changes... bld sys incrementally updates builds\n\n\n
46. devs: constantly have to rebuilt artifacts to test changes... bld sys incrementally updates builds\n\n\n
47. devs: constantly have to rebuilt artifacts to test changes... bld sys incrementally updates builds\n\n\n
48. devs: constantly have to rebuilt artifacts to test changes... bld sys incrementally updates builds\n\n\n
49. devs: constantly have to rebuilt artifacts to test changes... bld sys incrementally updates builds\n\n\n
50. devs: constantly have to rebuilt artifacts to test changes... bld sys incrementally updates builds\n\n\n
51. Firefox 3.0 was built and delivered incorrectly\nusers in a networked environment address/search bar broken\ndue to an incorrect version of the SQLite library being linked in build process\nFix was delivered 4 months late in a service pack (3.0.1)\n
52. Firefox 3.0 was built and delivered incorrectly\nusers in a networked environment address/search bar broken\ndue to an incorrect version of the SQLite library being linked in build process\nFix was delivered 4 months late in a service pack (3.0.1)\n
53. Firefox 3.0 was built and delivered incorrectly\nusers in a networked environment address/search bar broken\ndue to an incorrect version of the SQLite library being linked in build process\nFix was delivered 4 months late in a service pack (3.0.1)\n
54. Firefox 3.0 was built and delivered incorrectly\nusers in a networked environment address/search bar broken\ndue to an incorrect version of the SQLite library being linked in build process\nFix was delivered 4 months late in a service pack (3.0.1)\n
55. Firefox 3.0 was built and delivered incorrectly\nusers in a networked environment address/search bar broken\ndue to an incorrect version of the SQLite library being linked in build process\nFix was delivered 4 months late in a service pack (3.0.1)\n
56. Firefox 3.0 was built and delivered incorrectly\nusers in a networked environment address/search bar broken\ndue to an incorrect version of the SQLite library being linked in build process\nFix was delivered 4 months late in a service pack (3.0.1)\n
57. Firefox 3.0 was built and delivered incorrectly\nusers in a networked environment address/search bar broken\ndue to an incorrect version of the SQLite library being linked in build process\nFix was delivered 4 months late in a service pack (3.0.1)\n
58. Firefox 3.0 was built and delivered incorrectly\nusers in a networked environment address/search bar broken\ndue to an incorrect version of the SQLite library being linked in build process\nFix was delivered 4 months late in a service pack (3.0.1)\n
59. Firefox 3.0 was built and delivered incorrectly\nusers in a networked environment address/search bar broken\ndue to an incorrect version of the SQLite library being linked in build process\nFix was delivered 4 months late in a service pack (3.0.1)\n
60. Based on survey results...\n
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62. Studied 10 projects of different:\n- prog language (c, c++, java)\n- domain (web communications, compilers, RDBMS, IDE...)\n- dev methodology (open, proprietary)\n
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76. We find that the build system accounts for 9% of the build files in a project (median).\n- Small!\n
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89. 1) churn of the build system is close to that of the source code (normalized)\n2) Prior research => High churn may produce bugs!\n
90. 1) churn of the build system is close to that of the source code (normalized)\n2) Prior research => High churn may produce bugs!\n
91. 1) churn of the build system is close to that of the source code (normalized)\n2) Prior research => High churn may produce bugs!\n
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118. - measures strength of implication...\n
119. - measures strength of implication...\n
120. - measures strength of implication...\n
121. - measures strength of implication...\n
122. - measures strength of implication...\n
123. - measures strength of implication...\n
124. - measures strength of implication...\n
125. Counter intuitive and does not match with prior survey results (<12%)\n
126. - Mozilla is scary high\n- Eclipse-core and Jazz are considerably lower\n- Use of PDE build\n
127. - Mozilla is scary high\n- Eclipse-core and Jazz are considerably lower\n- Use of PDE build\n
128. - Mozilla is scary high\n- Eclipse-core and Jazz are considerably lower\n- Use of PDE build\n
129. - Mozilla is scary high\n- Eclipse-core and Jazz are considerably lower\n- Use of PDE build\n
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132. - devs may not commit all changes in one revision\n
133. - devs may not commit all changes in one revision\n
134. - devs may not commit all changes in one revision\n
135. - devs may not commit all changes in one revision\n
136. - devs may not commit all changes in one revision\n
137. - devs may not commit all changes in one revision\n
138. - devs may not commit all changes in one revision\n
139. - devs may not commit all changes in one revision\n
140. - devs may not commit all changes in one revision\n
141. - devs may not commit all changes in one revision\n
142. - devs may not commit all changes in one revision\n
143. - devs may not commit all changes in one revision\n
144. - devs may not commit all changes in one revision\n
145. - devs may not commit all changes in one revision\n
146. - devs may not commit all changes in one revision\n
147. - devs may not commit all changes in one revision\n
148. - devs may not commit all changes in one revision\n
149. - devs may not commit all changes in one revision\n
150. - devs may not commit all changes in one revision\n
151. - devs may not commit all changes in one revision\n
152. - devs may not commit all changes in one revision\n
153. - devs may not commit all changes in one revision\n
154. - devs may not commit all changes in one revision\n
155. - devs may not commit all changes in one revision\n
156. - devs may not commit all changes in one revision\n
157. - devs may not commit all changes in one revision\n
158. - devs may not commit all changes in one revision\n
159. - Jazz src devs are often responsible for build dev\n- Git and Linux are less so\n
160. - Jazz distributes build work...\n
161. - Jazz distributes build work...\n
162. - Jazz distributes build work...\n
163. - Jazz distributes build work...\n
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165. Build maintenance is a nuisance for developers\nneed tools to help them to cope\ne.g., Jazz has tools, lowered build coupling to 4%\n
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181. Build maintenance is a nuisance for developers!\nneed tools to help them to cope!\n