I have the poco package installed, but alas, sanjuuni will not install.

[Hellscaped]

:: Resolving dependencies... :: Calculating conflicts... :: Calculating inner conflicts...

Aur (1) sanjuuni-0.4-1

:: Proceed to review? [Y/n]: y

:: Downloading PKGBUILDs... PKGBUILDs up to date nothing new to review fetching devel info... ==> Making package: sanjuuni 0.4-1 (Tue 18 Jun 2024 12:32:21 AM CDT) ==> Retrieving sources... -> Found 0.4.tar.gz ==> Validating source files with sha256sums... 0.4.tar.gz ... Passed ==> Making package: sanjuuni 0.4-1 (Tue 18 Jun 2024 12:32:32 AM CDT) ==> Checking runtime dependencies... ==> Checking buildtime dependencies... ==> Retrieving sources... -> Found 0.4.tar.gz ==> Validating source files with sha256sums... 0.4.tar.gz ... Passed ==> Removing existing $srcdir/ directory... ==> Extracting sources... -> Extracting 0.4.tar.gz with bsdtar ==> Starting prepare()... ==> Sources are ready. sanjuuni-0.4-1: parsing pkg list... ==> Making package: sanjuuni 0.4-1 (Tue 18 Jun 2024 12:32:54 AM CDT) ==> Checking runtime dependencies... ==> Checking buildtime dependencies... ==> WARNING: Using existing $srcdir/ tree ==> Removing existing $pkgdir/ directory... ==> Starting build()... checking for gcc... gcc checking whether the C compiler works... yes checking for C compiler default output file name... a.out checking for suffix of executables... checking whether we are cross compiling... no checking for suffix of object files... o checking whether the compiler supports GNU C... yes checking whether gcc accepts -g... yes checking for gcc option to enable C11 features... none needed checking for g++... g++ checking whether the compiler supports GNU C++... yes checking whether g++ accepts -g... yes checking for g++ option to enable C++11 features... none needed checking whether C++ compiler accepts -std=c++11... yes checking for stdio.h... yes checking for stdlib.h... yes checking for string.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for strings.h... yes checking for sys/stat.h... yes checking for sys/types.h... yes checking for unistd.h... yes checking for libavformat/avformat.h... yes checking for libavcodec/avcodec.h... yes checking for libavdevice/avdevice.h... yes checking for libswscale/swscale.h... yes checking for libswresample/swresample.h... yes checking for zlib.h... yes checking for Poco/Base64Encoder.h... no configure: error: Could not find Poco Foundation headers. ==> ERROR: A failure occurred in build(). Aborting... error: failed to build 'sanjuuni-0.4-1': error: packages failed to build: sanjuuni-0.4-1

[Commandcracker]

Do you have poco with C headers installed ? See https://pkgs.org/search/?q=poco-dev