From 1d4c2435225579b48e0ea4dc8aea4bf044868a62 Mon Sep 17 00:00:00 2001
From: Rokas Kupstys <rokups@zoho.com>
Date: Thu, 30 Nov 2017 18:51:36 +0200
Subject: [PATCH] Cloning llvm from git replaced with downloading archives of
exacty commits from github. This is much faster.
---
build/scripts/LLVM.lua | 46 +++++++++++++++++++++++++++---------------
1 file changed, 30 insertions(+), 16 deletions(-)
diff --git a/build/scripts/LLVM.lua b/build/scripts/LLVM.lua
index e567cfb6..eee457ba 100644
--- a/build/scripts/LLVM.lua
+++ b/build/scripts/LLVM.lua
@@ -25,29 +25,38 @@ function clone_llvm()
local clang_release = get_clang_rev()
print("Clang release: " .. clang_release)
- if os.isdir(llvm) and not os.isdir(llvm .. "/.git") then
- error("LLVM directory is not a git repository.")
+ if os.ishost("windows") then
+ extract = extract_7z
+ else
+ extract = extract_tar_gz
end
- local quotedLLVM = '"' .. llvm .. '"'
- if not os.isdir(llvm) then
- git.clone(quotedLLVM, "https://github.com/llvm-mirror/llvm.git")
+ local archive = 'llvm-'..llvm_release..'.tar.gz'
+ if os.isfile(archive) then
+ print('Archive '..archive..' already exists.')
else
- git.reset_hard(quotedLLVM, "HEAD")
- git.pull_rebase(quotedLLVM)
+ download('https://github.com/llvm-mirror/llvm/archive/'..llvm_release..'.tar.gz', archive)
end
- local clang = llvm .. "/tools/clang"
- local quotedClang = '"' .. clang .. '"'
- if not os.isdir(clang) then
- git.clone(quotedClang, "https://github.com/llvm-mirror/clang.git")
- else
- git.reset_hard(quotedClang, "HEAD")
- git.pull_rebase(quotedClang)
+ if os.isdir(llvm) then
+ os.rmdir(llvm)
+ if os.isdir(llvm) then
+ print('Removing '..llvm..' directory failed. Please remove it manually and restart.')
+ return
+ end
end
- git.reset_hard(quotedLLVM, llvm_release)
- git.reset_hard(quotedClang, clang_release)
+ extract(archive, '.')
+ os.rename('llvm-'..llvm_release, llvm)
+
+ archive = 'clang-'..clang_release..'.tar.gz'
+ if os.isfile(archive) then
+ print('Archive '..archive..' already exists.')
+ else
+ download('https://github.com/llvm-mirror/clang/archive/'..clang_release..'.tar.gz', archive)
+ end
+ extract(archive, '.')
+ os.rename('clang-'..clang_release, llvm..'/tools/clang')
end
function get_vs_version()
local function map_msvc_to_vs_version(major, minor)
@@ -129,6 +138,11 @@ function extract_tar_xz(archive, dest_dir)
return execute_or_die(string.format("tar xJf %s -C %s", archive, dest_dir), true)
end
+function extract_tar_gz(archive, dest_dir)
+ execute("mkdir -p " .. dest_dir, true)
+ return execute_or_die(string.format("tar xf %s -C %s", archive, dest_dir), true)
+end
+
local use_7zip = os.ishost("windows")
local archive_ext = use_7zip and ".7z" or ".tar.xz"