I got this error after imputing the last thing to build the latest Asepirte build (1.3v-beta14), Thanks!:
FAILED: src/ui/CMakeFiles/ui-lib.dir/splitter.cpp.obj
C:\PROGRA~1\MICROS~1\2022\COMMUN~1\VC\Tools\MSVC\1432~1.313\bin\Hostx64\x64\cl.exe /nologo /TP -DCMARK_STATIC_DEFINE -DCURL_STATICLIB -DENABLE_DATA_RECOVERY -DENABLE_NEWS -DENABLE_SAVE -DENABLE_SCRIPTING -DENABLE_UI -DENABLE_UPDATER -DENABLE_WEBSOCKET -DGR_GL_FUNCTION_TYPE=__stdcall -DHAVE_CONFIG_H -DHAVE_CONFIG_OVERRIDE_H=1 -DLAF_SKIA -DLAF_WINDOWS -DLAF_WITH_REGION -DNDEBUG -DPNG_NO_MMX_CODE -DSK_ALLOW_STATIC_GLOBAL_INITIALIZERS=1 -DSK_BUILD_FOR_WIN32 -DSK_FORCE_DISTANCE_FIELD_TEXT=0 -DSK_GAMMA_APPLY_TO_A8 -DSK_GAMMA_SRGB -DSK_INTERNAL -DSK_SCALAR_TO_FLOAT_EXCLUDED -DSK_SUPPORT_GPU=0 -DSK_SUPPORT_OPENCL=0 -DUNICODE -DWINVER=0x0A00 -D_CRT_SECURE_NO_WARNINGS -D_SCL_SECURE_NO_WARNINGS -D_UNICODE -D_WIN32_WINNT=0x0A00 -IC:\aseprite\third_party\zlib -IC:\aseprite\build\third_party\zlib -IC:\aseprite\third_party\libpng -IC:\aseprite\build\third_party\libpng -IC:\aseprite\third_party\libwebp\src -IC:\aseprite\third_party\tinyxml -IC:\aseprite\third_party\pixman\pixman -IC:\aseprite\build -IC:\aseprite\third_party\giflib -IC:\aseprite\third_party\jpeg -IC:\aseprite\third_party\curl\include -IC:\aseprite\third_party\simpleini -IC:\aseprite\src… -IC:\aseprite\src\observable -IC:\aseprite\laf -IC:\aseprite\build\laf -IC:\aseprite\src -IC:\aseprite\laf\third_party\stringencoders\src -IC:\deps\skia -IC:\deps\skia\third_party\externals\freetype\include -IC:\deps\skia\third_party\externals\harfbuzz\src -IC:\aseprite\src\observable. /DWIN32 /D_WINDOWS /W3 /GR /EHsc /MT /Zi /O2 /Ob1 /D NDEBUG -wd4267 -wd4244 -std:c++17 /showIncludes /Fosrc\ui\CMakeFiles\ui-lib.dir\splitter.cpp.obj /Fdsrc\ui\CMakeFiles\ui-lib.dir\ui-lib.pdb /FS -c C:\aseprite\src\ui\splitter.cpp
C:\aseprite\laf\base/base.h(14): fatal error C1083: Cannot open include file: ‘math.h’: No such file or directory
ninja: build stopped: subcommand failed.