Dependency too heavy

[playgithub]

I'm trying to port poppler
It depends on clang-format
vcpkg install llvm[clang-tools-extra]
clang-format is small, but for dependencies, it builds for hours

λ vcpkg install llvm[clang-tools-extra]
Computing installation plan...
The following packages will be built and installed:
    llvm[clang,clang-tools-extra,core,default-targets,disable-abi-breaking-checks,disable-assertions,disable-clang-static-analyzer,enable-rtti,lld,target-x86,tools]:x64-windows
Detecting compiler hash for triplet x64-windows...
Starting package 1/1: llvm:x64-windows
Building package llvm[clang,clang-tools-extra,core,default-targets,disable-abi-breaking-checks,disable-assertions,disable-clang-static-analyzer,enable-rtti,lld,target-x86,tools]:x64-windows...
Could not locate cached archive: 
%localappdata%\vcpkg\archives\4c\4c9803c9697ac545a97a8cbb5bbe8485f2c767d2.zip
-- Note: llvm only supports static library linkage. Building static library.
-- Downloading https://github.com/llvm/llvm-project/archive/llvmorg-10.0.0.tar.gz...
-- Extracting source /vcpkg-root/downloads/llvm-llvm-project-llvmorg-10.0.0.tar.gz
-- Applying patch 0001-allow-to-use-commas.patch
-- Applying patch 0002-fix-install-paths.patch
-- Applying patch 0003-fix-vs2019-v16.6.patch
-- Applying patch 0004-fix-dr-1734.patch
-- Applying patch 0005-fix-tools-path.patch
-- Using source at /vcpkg-root/buildtrees/llvm/src/org-10.0.0-cfac4b4b0f.clean
-- Downloading https://www.python.org/ftp/python/3.8.3/python-3.8.3-embed-amd64.zip...
-- Configuring x64-windows
-- Building x64-windows-dbg
-- Building x64-windows-rel

Installed successfully, vcpkg-root\buildtrees\llvm takes 102GB (109,870,017,874 bytes) 😭

Something like vcpkg-root\downloads\tools is better in the case, i.e. simply download clang-foramt.exe as a tool.

[JackBoosY]

Sorry for that but we hope that all binaries will be built, which also matches the behavior of open source.

[playgithub]

Give a hint warning about the size is helpful.
Then I might choose to download LLVM clang installer (172MB) from the official site, and make clang-format be in PATH.

[JackBoosY]

vcpkg/scripts/cmake/vcpkg_find_acquire_program.cmake

Lines 297 to 327 in 62fe6ff

	elseif(VAR MATCHES "CLANG")
	set(PROGNAME clang)
	set(SUBDIR "clang-10.0.0")
	if(CMAKE_HOST_WIN32)
	set(PATHS
	# Support LLVM in Visual Studio 2019
	"$ENV{LLVMInstallDir}/x64/bin"
	"$ENV{LLVMInstallDir}/bin"
	"$ENV{VCINSTALLDIR}/Tools/Llvm/x64/bin"
	"$ENV{VCINSTALLDIR}/Tools/Llvm/bin"
	"${DOWNLOADS}/tools/${SUBDIR}-windows/bin"
	"${DOWNLOADS}/tools/clang/${SUBDIR}/bin")
	if(DEFINED ENV{PROCESSOR_ARCHITEW6432})
	set(HOST_ARCH_ $ENV{PROCESSOR_ARCHITEW6432})
	else()
	set(HOST_ARCH_ $ENV{PROCESSOR_ARCHITECTURE})
	endif()
	if(HOST_ARCH_ MATCHES "64")
	set(URL "https://github.com/llvm/llvm-project/releases/download/llvmorg-10.0.0/LLVM-10.0.0-win64.exe")
	set(ARCHIVE "LLVM-10.0.0-win64.7z.exe")
	set(HASH 3603a4be3548dabc7dda94f3ed4384daf8a94337e44ee62c0d54776c79f802b0cb98fc106e902409942e841c39bc672cc6d61153737ad1cc386b609ef25db71c)
	else()
	set(URL "https://github.com/llvm/llvm-project/releases/download/llvmorg-10.0.0/LLVM-10.0.0-win32.exe")
	set(ARCHIVE "LLVM-10.0.0-win32.7z.exe")
	set(HASH 8494922b744ca0dc8d075a1d3a35a0db5a9287544afd5c4984fa328bc26f291209f6030175896b4895019126f5832045e06d8ad48072b549916df29a2228348b)
	endif()
	endif()
	set(BREW_PACKAGE_NAME "llvm")
	set(APT_PACKAGE_NAME "clang")

We can refer to clang to find clang-format.