mesonbuild/meson

ninja build or ninja reconfigure does not detect dependency changes

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#2,475 创建于 2017年10月11日

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 (1 评论) (0 反应) (0 负责人)Python (4,978 star) (1,465 fork)batch import
bugdependencieshelp wanted

描述

Hi,

I've got:

gmime3   = dependency ('gmime-3.0', required : false)
gmime2   = dependency ('gmime-2.6', required : false)

if gmime3.found ()
  gmime = gmime3
  gmime_gir = 'GMime-3.0'
elif gmime2.found ()
  gmime = gmime2
  gmime_gir = 'GMime-2.6'
else
  error ('neither gmime3 or gmime2 available')
  gmime_gir = ''
endif

deps = [ gmime ]

if gmime2 or gmime3 is installed/un-installed ninja reconfigure does not reliably detect the change. E.g. uninstalling gmime3, and installing gmime2 still tries to use gmime3 build commands. Have to delete dir and re-configure. Seems to sometimes work the other way.. which keeps breaking my separate build dir.

贡献者指南

技术栈
python
领域
build system
议题类型
bug
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
4
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
over 1 week
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
stale
清晰度议题是否清楚说明期望改动、验收标准和下一步。
needs investigation
前置要求
Understanding of Meson build systemFamiliarity with Ninja build tool
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
20
研究方向
Investigate how Meson currently tracks dependencies and triggers reconfiguration. Look at the code in 'mesonbuild/dependencies/' and how external dependency changes are detected. The issue indicates that ninja reconfigure does not reliably detect installation/uninstallation of gmime libraries; perhaps the dependency hash or timestamps are not being checked. Review linked discussions or similar issues for clues.
ninja build or ninja reconfigure does not detect dependency changes · mesonbuild/meson#2475 | Good First Issue