Build with Ninja.

Author: maleadt

deps/Project.toml

@@ -3,6 +3,7 @@ CMake_jll = "3f4e10e2-61f2-5801-8945-23b9d642d0e6"
 Git = "d7ba0133-e1db-5d97-8f8c-041e4b3a1eb2"
 LLVMExtra_jll = "dad2f222-ce93-54a1-a47d-0025e8a3acab"
 Libdl = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
+Ninja_jll = "76642167-d241-5cee-8c94-7a494e8cb7b7"
 Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 Preferences = "21216c6a-2e73-6563-6e65-726566657250"
 Scratch = "6c6a2e73-6563-6170-7368-637461726353"

deps/build_local.jl

@@ -8,11 +8,24 @@ if haskey(ENV, "GITHUB_ACTIONS")
     println("::warning ::Using a locally-built LLVMExtra; A bump of LLVMExtra_jll will be required before releasing LLVM.jl.")
 end
 
-using Pkg, Scratch, Preferences, Libdl, CMake_jll
+using Pkg, Scratch, Preferences, Libdl, CMake_jll, Ninja_jll
 
 LLVM = Base.UUID("929cbde3-209d-540e-8aea-75f648917ca0")
 
-# 1. Ensure that an appropriate LLVM_full_jll is installed
+# get scratch directories
+scratch_dir = get_scratch!(LLVM, "build")
+isdir(scratch_dir) && rm(scratch_dir; recursive=true)
+source_dir = joinpath(@__DIR__, "LLVMExtra")
+
+# get build directory
+build_dir = if isempty(ARGS)
+    mktempdir()
+else
+    ARGS[1]
+end
+mkpath(build_dir)
+
+# download LLVM
 Pkg.activate(; temp=true)
 llvm_assertions = try
     cglobal((:_ZN4llvm24DisableABIBreakingChecksE, Base.libllvm_path()), Cvoid)
@@ -31,34 +44,30 @@ else
 end
 LLVM_DIR = joinpath(LLVM.artifact_dir, "lib", "cmake", "llvm")
 
-# 2. Get a scratch directory
-scratch_dir = get_scratch!(LLVM, "build")
-isdir(scratch_dir) && rm(scratch_dir; recursive=true)
-source_dir = joinpath(@__DIR__, "LLVMExtra")
-
-# Build!
-mktempdir() do build_dir
-    @info "Building" source_dir scratch_dir build_dir LLVM_DIR
-    run(`$(cmake()) -DLLVM_DIR=$(LLVM_DIR) -DCMAKE_INSTALL_PREFIX=$(scratch_dir) -B$(build_dir) -S$(source_dir)`)
-    run(`$(cmake()) --build $(build_dir)`)
-    run(`$(cmake()) --install $(build_dir)`)
+# build and install
+@info "Building" source_dir scratch_dir build_dir LLVM_DIR
+cmake() do cmake_path
+ninja() do ninja_path
+    run(`$cmake_path -GNinja -DLLVM_DIR=$(LLVM_DIR) -DCMAKE_INSTALL_PREFIX=$(scratch_dir) -B$(build_dir) -S$(source_dir)`)
+    run(`$ninja_path -C $(build_dir) install`)
+end
 end
 
-# Discover built libraries
+# discover built libraries
 built_libs = filter(readdir(joinpath(scratch_dir, "lib"))) do file
     endswith(file, ".$(Libdl.dlext)")
 end
 lib_path = joinpath(scratch_dir, "lib", only(built_libs))
 isfile(lib_path) || error("Could not find library $lib_path in build directory")
 
-# Tell LLVMExtra_jll to load our library instead of the default artifact one
+# tell LLVMExtra_jll to load our library instead of the default artifact one
 set_preferences!(
     joinpath(dirname(@__DIR__), "LocalPreferences.toml"),
     "LLVMExtra_jll",
     "libLLVMExtra_path" => lib_path;
     force=true,
 )
 
-# Copy the preferences to `test/` as well to work around Pkg.jl#2500
+# copy the preferences to `test/` as well to work around Pkg.jl#2500
 cp(joinpath(dirname(@__DIR__), "LocalPreferences.toml"),
    joinpath(dirname(@__DIR__), "test", "LocalPreferences.toml"); force=true)