Darwin requires qtmacextra in the buildInputs, otherwise compilation
fails with:
CMake Error at /nix/store/05nmn6v1hrk56zqs61s2awvykha51fx9-qtbase-5.12.7-dev/lib/cmake/Qt5/Qt5Config.cmake:28 (find_package):
By not providing "FindQt5MacExtras.cmake" in CMAKE_MODULE_PATH this project
has asked CMake to find a package configuration file provided by
"Qt5MacExtras", but CMake did not find one.
Could not find a package configuration file provided by "Qt5MacExtras" with
any of the following names:
Qt5MacExtrasConfig.cmake
qt5macextras-config.cmake
Add the installation prefix of "Qt5MacExtras" to CMAKE_PREFIX_PATH or set
"Qt5MacExtras_DIR" to a directory containing one of the above files. If
"Qt5MacExtras" provides a separate development package or SDK, be sure it
has been installed.
Call Stack (most recent call first):
gui/CMakeLists.txt:7 (find_package)
-- Configuring incomplete, errors occurred!
See also "/tmp/nix-build-chiaki-2.0.1.drv-0/chiaki/build/CMakeFiles/CMakeOutput.log".
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