Tuesday, 2020-06-23

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whitequarkgdi10:27
whitequarkthe cmake in nextpnr drives me into despair10:27
whitequarkon one hand i want to be like "is no one involved actually good at cmake" and on the other hand i won't wish that on my enemy10:28
whitequarki guess i can just fix all of it10:28
whitequark... kind of gives context for why people are so averse to cmake elsewhere...10:29
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awygleCould be worse, could be bazel16:23
whitequarkooof16:24
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rswarbrickHi all! Quick question: if I've read some verilog code that uses $isunknown, is there any way to excise it in my Yosys script (rather than using `ifndef YOSYS or similar in the code itself)? Deleting by cell doesn't seem to work: I'm hitting a "Can't resolve function name `\$isunknown'." error that seems to come from the simplify pass.16:39
rswarbrickIn case it's relevant, the module that includes the $isunknown call is parameterised (and the error is raised as part of the hierarchy pass).16:39
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az0reJust curious, does the $isunknown appear in the `stat` output?17:34
az0reInstrument frontends/ast/simplify.cc:2940 or break there in a debugger17:37
az0reIs the problematic condition that `current_scope.count(str) == 0` or that `current_scope[str]->type != AST_FUNCTION`?17:38
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chipbwhitequark: for reals. I *want* to like cmake, but I'm hard pressed to find reliable documentation on best practices or at least a collection of obviously good examples to crib from.18:00
awygleit doesn't help that cmake has an "invisibile" 2/3 split, where "modern" cmake is quite different from old stuff but examples from the internet mostly reference the old stuff (because it's been around longer)18:05
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chipband from what I've stumbled across, it seems like plenty of the "old stuff" erroneously proclaims it's the "new stuff", too.18:18
chipbI know! let's create a new build system to rule them all! ;_;18:18
sorearif they call it “old stuff” and “new stuff”, there’s the problem… never name anything “new”18:24
chipbyep. -ng is always the way to go. ;-)18:47
awyglesystemd-cmake18:52
AdamHordenJust had to spend two days fixing CMake in another project.18:54
AdamHordenWas not a fun two days.18:54
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tedxhello18:57
qu1j0t3.b 2018:58
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