Reduce time required to build from scratch in dev mode

* Disable wasm reading of object
* Use tempfile bundled with rustc
* Don't optimize and don't generate debuginfo for build scripts and some
  build deps

Before: 354s (5m 45s)
After: 207s (3m 27s)
This commit is contained in:
bjorn3 2019-09-21 14:27:38 +02:00
parent f2c574aebf
commit 3a7aa6c0fa
3 changed files with 30 additions and 120 deletions

117
Cargo.lock generated
View file

@ -48,15 +48,6 @@ name = "byteorder"
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source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "c2-chacha"
version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
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"ppv-lite86 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
name = "cc"
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@ -254,16 +245,6 @@ name = "gcc"
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source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
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@ -296,11 +277,6 @@ name = "itoa"
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[[package]]
name = "lazy_static"
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source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "libc"
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@ -360,27 +336,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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@ -397,43 +362,6 @@ dependencies = [
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[[package]]
name = "rand_core"
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source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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[[package]]
name = "raw-cpuid"
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@ -444,11 +372,6 @@ dependencies = [
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]
[[package]]
name = "redox_syscall"
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source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "region"
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@ -460,14 +383,6 @@ dependencies = [
"winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "remove_dir_all"
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source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "rustc-demangle"
version = "0.1.16"
@ -491,7 +406,6 @@ dependencies = [
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"target-lexicon 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
"tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
@ -603,19 +517,6 @@ dependencies = [
"serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "tempfile"
version = "3.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "unicode-xid"
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@ -626,11 +527,6 @@ name = "uuid"
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source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "wasi"
version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "winapi"
version = "0.3.8"
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View file

@ -22,12 +22,15 @@ ar = "0.8.0"
bitflags = "1.1.0"
byteorder = "1.2.7"
libc = "0.2.53"
tempfile = "3.0.7"
gimli = { git = "https://github.com/gimli-rs/gimli.git" }
indexmap = "1.0.2"
object = "0.14.0"
libloading = "0.5.1"
[dependencies.object]
version = "0.14.0"
default-features = false
features = ["compression", "read", "std"] # We don't need WASM support
# Uncomment to use local checkout of cranelift
#[patch."https://github.com/CraneStation/cranelift.git"]
#cranelift = { path = "../cranelift/cranelift-umbrella" }
@ -41,5 +44,28 @@ libloading = "0.5.1"
[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
cranelift-simplejit = { git = "https://github.com/CraneStation/cranelift.git" }
[profile.dev.overrides."*"]
[profile.dev]
# By compiling dependencies with optimizations, performing tests gets much faster.
opt-level = 3
[profile.dev.overrides."rustc_codegen_cranelift"]
# Disabling optimizations for cg_clif itself makes compilation after a change faster.
opt-level = 0
# Disable optimizations and debuginfo of build scripts and some of the heavy build deps, as the
# execution time of build scripts is so fast that optimizing them slows down the total build time.
[profile.dev.build-override]
opt-level = 0
debug = false
[profile.dev.overrides.cranelift-codegen-meta]
opt-level = 0
debug = false
[profile.dev.overrides.syn]
opt-level = 0
debug = false
[profile.dev.overrides.synstructure]
opt-level = 0
debug = false

View file

@ -2,6 +2,7 @@
#![allow(intra_doc_link_resolution_failure)]
extern crate flate2;
extern crate tempfile;
extern crate rustc;
extern crate rustc_codegen_ssa;
extern crate rustc_codegen_utils;