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Okay, so this is getting really long, I'll put the ask up front: I have a strategy, I think it is reasonable. Now is a point where I can easily change things, and it won't be so easily later. So I'm looking to see if anyone has trod this road before and can recommend any of:

1. a different build system that will be easier to manage for this use case
2. a different strategy for using cmake that will be easier to manage
3. any gotchas I should be aware of, even if you don't have better solutions.

Background

I have a project I'm working on where the ultimate deliverable will be a hardware device with 3-4 different microcontrollers coordinating with each other and interacting with a PC-ish platform. This is a clean rewrite of a C++ codebase. Due to the microcontroller (and some of the PC APIs) being C++, the language of choice for most of it is likely to remain C/C++.

I'm succeeded in setting up a build system for embedded code. The old code was arduino, so it relies a lot on those libraries, but I've managed to set up enough custom cmake to get off of the ardunio tools altogether, even if I am borrowing their libraries and some of the "smarts" built into the system about setting build flags, etc. So far, I have a dockerized toolchain (cmake + make + gcc-arm-none-eabi) that can successfully build ARM binaries for the target platform.

The thing that I'm up against now is that I'd like to have a robust off-target unit testing infrastructure. My ideal case is that everything in the embedded system will be broken down into libraries that have clear interfaces, then to use unit tests with mocks to get high coverage of test cases. I'll still need some HIL tests, but because those are harder to set up and run, I want to use those for integration and validation.

In terms of OSes available, we're mostly working on Windows systems using WSL for linux. I'd like things to be as linux-based as possible to support CI on github, etc.

Goals and Cmake limitations

I started out using cmake because I hate it least of the tools I've used, and I am at least pretty far up the learning curve with it. But a limitation I'm hitting is that you can't do a mixed compile with two different toolchains in one build. The reasons why cmake has this limitation seem reasonable to me, even if it is annoying. You can easily change the toolchain that your code is built with, but that seems to be largely targeted at cross-compiling the same binaries for different systems. What I want to do is:

• build my code libraries with embedded settings for linking to the embedded binaries and build those embedded binaries (the end product)
• build my code libraries with linux-ish tools and link them against unit tests to have a nice CI test process
• (eventually) also be able to build windows binaries for the PC components -- when I get to that point, I'd like to get away from the MSVC compilers, but will use them if I have to

Current strategy

My current plan is to configure a library build like this (pseudocode):

add_library(mylib sources)
if (BUILD_TYPE STREQUAL BUILD_TYPE_EMBEDDED)
<embedded config>
elseif (BUILD_TYPE STREQUAL BUILD_TYPE_LINUX)
<linux config, if any>
endif()

#unit tests are built for each library
if (BUILD_TYPE STREQUAL BUILD_TYPE_LINUX)
add_executable(mylib_test sources test_sources)
target_link_libraries(mylib gtest etc.)
endif()

For the rollup binaries, I make the whole target conditional

if (BUILD_TYPE STREQUAL BUILD_TYPE_EMBEDDED)
add_executable(myembedap sources)
target_link_libraries(mylib)
endif()

Then the build script (outside cmake) is something like

cd build/embedded
cmake <path to src> <set embedded toolchain> -DBUILD_TYPE=embedded
make
cd ../../build/linux
cmake <path to src> -DBUILD_TYPE=linux
make

Things I like about this strategy:

• It's relatively simple to do all the builds or just one of the builds (that control would go in the shell script)
• I have one source tree for the whole build
• It lets configuration be near code
• It lets tests be near code.
• I think it's extensible to cover the PC component builds in the future

Things that worry me:

• It feels like a hack
• Support for off-target tests feels like it should be solved problem and I'm worried I'm missing something

Thanks for reading. If you made it this far, you have my gratitude. Here's a video with funny out of office messages that I enjoyed.

hello tildes,

i am searching for a bare-bones forum/message board. i'll describe what i need and perhaps someone can point me in the right direction:

must have the ability to

• create an account
• create topics with the ability to reply
• fully customizable front-end (html/css) so i can make it match my website
• either self-host or use a custom domain on ext hosting

unimportant but nice to have

• display images in posts via external urls
• different boards (categories?) to post into (would be nice but not vital)
• nested replies (or some visual way to see what you're replying to)

free would be ideal (dreams are nice) but probably wouldn't want to spend more than $5/month as this is a supplement to a website where i don't expect much traffic at all due to the nature of the project. no images/video/audio will be hosted ideally.

i'm ok with "hacker news" or "reddit-like" software but my backend knowledge if very limited. for instance, i looked into self-hosting lemmy but i don't understand how to setup docker. options like phpbb would be fine if i could strip away everything aside from the above-mentioned features.

i want it to be extremely simplistic in appearance and for the end-user (tildes is a great example of the simplistic end-user experience). tildes could be a cool option but i think getting it setup is a bit out of my skill-range.

can anyone offer any suggestions/guidence?

edited to emphasize important aspects and clarify things that are not vital but would be nice to have.

Hiya,

coming off as cheapskate since if I love Webflow so much why not just pay for it? Well a few reasons, but mostly because I'd rather like to be not tied to any single service that can just do away with me with a snap of the fingers.

I've been playing around locally with WordPress and the block editor actually gets me to the finish line. It's pretty easy to design what I want to design -- just everything's lacking that final little detail, I can't easily overlap text with images etc.

So am I just incompetent and the WordPress' block editor is actually capable of these things? Most of the plugins (like Elementor) you need to pay for before you can actually do anything custom, which is kinda no-go for me. I'm also not opposed of trying something else, just that it needs to be free (as I want to be certain I know how to use it before I commit).

(Sorry for the rushed post, I'll make corrections it if need be.)

It's almost time...

...for another Tildes Backlog Burner -- the event where you try out games you've always wanted to play (but haven't yet -- for whatever reason).

The Backlog Burner for November 2024 will officially begin in two days on November 1st.

If you're new to the Backlog Burner, check out our previous events to get an idea of what's going on:

• 2024 - May
• 2023
• 2022
• 2020

Backlog Bingo returns again!

Backlog Bingo is a backbone of this event, so it's of course back and better than ever! u/Wes has made some new tweaks to his amazing site, and we've also further developed our category sets.

For this event, you can choose between two different official Bingo lists:

• Flow: A conceptually abstract list of ideas to guide you. Let your imagination flow.
• Flux: A tweaked and updated version of the May 2024 category list.

If you participated last time, clear your old card and start fresh with a new one. If you're new to the event, simply go to the Backlog Bingo site to generate your card.

Notification List

If you are interested in participating in the Backlog Burner, please comment in this topic. Anyone commenting/replying here will automatically be added to a notification list for the Backlog Burner, unless you specify otherwise.

Start Planning (or Playing)

Technically the event starts in two days, so you have time to roll your cards (if you're playing Bingo) and plan out what you'd like to play for the month. That said, if you're eager to jump right in, and start early, I certainly won't stop you!

Let's get ready to burn through these backlogs!

Backlog Burner FAQ

Backlog Bingo FAQ

Important: All data for your Backlog Bingo card is stored on your device, not the server. Clearing your browser data will irrecoverably delete your card.

Find yourself watching tons of great videos on [insert chosen video sharing platform], but also find yourself reluctant to flood the Tildes front page with them? Then this thread is for you.

It could be one quirky video that you feel deserves some eyeballs on it, or perhaps you've got a curated list of videos that you'd love to talk us through...

Share some of the best video content you've watched this past week/fortnight with us!

It's time to vote. This thread is for voting on the next set of books for book club. Voting will close end of day Sunday.

If you would like to read with us, please upvote as many as five titles. We will select at least four, probably more if there are books with solid support. I look forward to reading and discussing with you all.

There are a few people who voted before the thread was complete so books with authors earlier in the alphabet got a slight statistical advantage. I will take lessons for next time to avoid this.

Recently my family was watching "It's The Great Pumpkin Charlie Brown" from 1966 and I recalled how the plot of the show came from comics that were written over time in the years before the cartoon game out. And one thing we talked about was whether Linus was correct that The Great Pumpkin actually exists, or was everyone else right and it was in his imagination.

It seems a reasonable question, because one thing about Linus is that he's usually the wisest character on the show. Like the rest of them, he has flaws but he tends to see things more clearly than the rest.
Well, I was looking for old Peanuts strips and I found one that seems to answer the question in this article:

https://screenrant.com/funniest-peanuts-comics-about-great-pumpkin-linus-disappointment/

It is under item 4, "Great Pumpkin, You're Going To Drive Me Crazy!" November 1 1961.
Here is a direct link to the comic in question, (not sure if it will work long term).

In the comic, Charlie Brown says: "Hey wake up, Halloween is over... You missed The Great Pumpkin. It just came over the radio... He appeared in a very sincere pumpkin patched owned by someone named Freeman in New Jersey!"

When I was a kid we had a book that had a lot of the older Peanuts comics in it, and I'm pretty sure that I had seen this one and just forgotten about it.

So I think one of the following is true:

• The Great Pumpkin really exists in the Peanut's world
• Charlie Brown is lying
• Charlie Brown is teasing
• The radio was lying, like when NORAD reports where Santa's sleigh is on Christmas eve
• Charlie Brown misunderstood the radio

This question may have been answered in a later strip a day or two later, but I don't currently have access to the strips in the order they appeared.

This question is mostly about whether Charles Schulz decided to have magic in his "universe" or not.
What do you think?

Important Upcoming Date:

• Timasomo Showcase Thread -- Tuesday, November 5 (one week away!)

Technically all work should be finished before November 1st (but don’t worry, it’s not enforced 😉).

November 1-4 are for putting finishing touches on the project to ready it for the showcase.

To get a feel for what the Showcase will look like and how to prep your project, check out past ones:

• 2023 Showcase
• 2022 Showcase
• 2021 Showcase
• 2020 Showcase
• 2019 Showcase

Update us on your progress so far!

• What did/didn't you get done this week?

• Anything go according to plan?

• Anything go off the rails?

• Any successes or struggles to share?

• Do you need feedback or help on anything?

This is your topic to share anything and everything you want about what you’ve made so far.

Hi folks--

To those more knowledgeable than I am:

What would be the best local solution to extract numerical data from a batch of PDF file reports? The values I want are interspersed among word processor formatted tables and irrelevant text. The text and table formatting are (nearly) identical across reports. The data I want vary across reports. The PDFs are not of images...I can select and copy text without OCR. I have thousands to process, and the data themselves are confidential (I have clearance) and cannot be shared. I can use Windows or Linux but no MacOS.

I am technically inclined, so I bashed my head against regular expressions just enough to use notepad++ to find and delete most of the irrelevant stuff and make a CSV, but it's a hacky, imprecise method and not nearly automated enough for batches. For reference, I don't code for a living or even as a hobby, but I use R and bash, am familiar with IDEs, and can follow pseudocode well enough to edit and use scripts.

Any thoughts? Thanks in advance!

Have you watched any movies recently you want to discuss? Any films you want to recommend or are hyped about? Feel free to discuss anything here.

Please just try to provide fair warning of spoilers if you can.