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Re: build dependencies vs tools
On 09/11, Jonathan Perkin wrote:
> * On 2017-09-11 at 15:47 BST, Jan Danielsson wrote:
> > Looking at some dependencies on pkgsrc.se and a thought occurred:
> > What's the difference between "build dependencies" and "USE_TOOLS"?
> The main difference is that a tool can come from the operating system.
> If an operating system comes with bison and you request bison via
> USE_TOOLS then, as long as the OS version works fine, it will be used
> for the build. If you add bison as a BUILD_DEPENDS, then regardless
> of whether the OS provides it, the pkgsrc bison package will be pulled
What if bison had built-in support (i.e., had a builtin.mk file) and
the OS had a bison version that satisfied the built-in requirement, and
PREFER_NATIVE was set to yes, then a BUILD_DEPENDS of bison would use
the bison from the OS, right?
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