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cc: fixed error and compiled unlzma using cc

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This commit is contained in:
pca006132 2020-07-02 11:36:38 +08:00
parent b0aa77c73f
commit 214337387f
5 changed files with 87 additions and 39 deletions
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1
src/Cargo.lock generated
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@ -430,6 +430,7 @@ dependencies = [
name = "szl"
version = "0.1.0"
dependencies = [
"cc",
"cstr_core",
"libboard_zynq",
"libcortex_a9",

10
src/libc/build.rs
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@ -7,16 +7,18 @@ mod libc {
use std::path::Path;
pub fn compile() {
let cfg = &mut cc::Build::new();
cfg.no_default_flags(true);
cfg.compiler("clang");
cfg.cpp(false);
cfg.warnings(false);
// still have problem compiling the libunwind
cfg.flag("-nostdlib");
cfg.flag("-ffreestanding");
cfg.flag("-fno-PIC");
cfg.flag("-isystem../include");
cfg.flag("-fno-stack-protector");
cfg.flag("--target=armv7-none-eabihf");
cfg.flag("-O2");
cfg.flag("-std=c99");
cfg.flag("-fstrict-aliasing");
@ -25,12 +27,12 @@ mod libc {
cfg.flag("-U_FORTIFY_SOURCE");
cfg.define("_FORTIFY_SOURCE", Some("0"));
let unwind_sources = vec![
let sources = vec![
"printf.c"
];
let root = Path::new("../libc");
for src in unwind_sources {
let root = Path::new("./");
for src in sources {
println!("cargo:rerun-if-changed={}", src);
cfg.file(root.join("src").join(src));
}

68
src/libunwind/build.rs
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@ -1,21 +1,16 @@
fn main() {
println!("cargo:rerun-if-changed=build.rs");
llvm_libunwind::compile();
llvm_libunwind::compile_cpp();
llvm_libunwind::compile_c();
}
mod llvm_libunwind {
use std::path::Path;
/// Compile the libunwind C/C++ source code.
pub fn compile() {
let cfg = &mut cc::Build::new();
cfg.cpp(true);
cfg.cpp_set_stdlib(None);
fn setup_options(cfg: &mut cc::Build) {
cfg.no_default_flags(true);
cfg.warnings(false);
// libunwind expects a __LITTLE_ENDIAN__ macro to be set for LE archs, cf. #65765
cfg.define("__LITTLE_ENDIAN__", Some("1"));
// still have problem compiling the libunwind
cfg.flag("-nostdlib");
cfg.flag("-ffreestanding");
cfg.flag("-fno-PIC");
@ -23,12 +18,55 @@ mod llvm_libunwind {
cfg.flag("-isystem../include");
cfg.flag("-fno-stack-protector");
cfg.flag("--target=armv7-none-eabihf");
cfg.flag("-O2");
cfg.flag("-std=c99");
cfg.flag("-fstrict-aliasing");
cfg.flag("-fvisibility=hidden");
cfg.flag_if_supported("-fvisibility-global-new-delete-hidden");
cfg.define("_LIBUNWIND_IS_BAREMETAL", Some("1"));
cfg.define("_LIBUNWIND_NO_HEAP", Some("1"));
cfg.define("_LIBUNWIND_HAS_NO_THREADS", Some("1"));
cfg.define("NDEBUG", Some("1"));
// libunwind expects a __LITTLE_ENDIAN__ macro to be set for LE archs, cf. #65765
cfg.define("__LITTLE_ENDIAN__", Some("1"));
cfg.define("_LIBUNWIND_DISABLE_VISIBILITY_ANNOTATIONS", None);
cfg.flag("-U_FORTIFY_SOURCE");
cfg.define("_FORTIFY_SOURCE", Some("0"));
}
cfg.flag("-std=c99");
pub fn compile_c() {
let cfg = &mut cc::Build::new();
setup_options(cfg);
cfg.compiler("clang");
let unwind_sources = vec![
"Unwind-sjlj.c",
"UnwindLevel1-gcc-ext.c",
"UnwindLevel1.c",
"UnwindRegistersRestore.S",
"UnwindRegistersSave.S",
];
let root = Path::new("../llvm_libunwind");
cfg.include(root.join("include"));
for src in unwind_sources {
println!("cargo:rerun-if-changed={}", src);
cfg.file(root.join("src").join(src));
}
cfg.compile("unwind_c");
}
/// Compile the libunwind C/C++ source code.
pub fn compile_cpp() {
let cfg = &mut cc::Build::new();
setup_options(cfg);
cfg.compiler("clang++");
cfg.cpp(true);
cfg.cpp_set_stdlib(None);
// c++ options
cfg.flag("-std=c++11");
cfg.flag("-nostdinc++");
cfg.flag("-fno-exceptions");
@ -37,18 +75,10 @@ mod llvm_libunwind {
cfg.flag("-funwind-tables");
cfg.flag("-fvisibility=hidden");
cfg.flag_if_supported("-fvisibility-global-new-delete-hidden");
cfg.define("_LIBUNWIND_DISABLE_VISIBILITY_ANNOTATIONS", None);
cfg.flag("-U_FORTIFY_SOURCE");
cfg.define("_FORTIFY_SOURCE", Some("0"));
let unwind_sources = vec![
"Unwind-EHABI.cpp",
"Unwind-seh.cpp",
"Unwind-sjlj.c",
"UnwindLevel1-gcc-ext.c",
"UnwindLevel1.c",
"UnwindRegistersRestore.S",
"UnwindRegistersSave.S",
"libunwind.cpp"
];
@ -59,6 +89,6 @@ mod llvm_libunwind {
cfg.file(root.join("src").join(src));
}
cfg.compile("unwind");
cfg.compile("unwind_cpp");
}
}

3
src/szl/Cargo.toml
View File

@ -15,3 +15,6 @@ cstr_core = { version = "0.2", default-features = false }
libboard_zynq = { git = "https://git.m-labs.hk/M-Labs/zc706.git" }
libsupport_zynq = { git = "https://git.m-labs.hk/M-Labs/zc706.git" }
libcortex_a9 = { git = "https://git.m-labs.hk/M-Labs/zc706.git" }
[build-dependencies]
cc = { version = "1.0.1" }

44
src/szl/build.rs
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@ -1,28 +1,14 @@
use std::process::Command;
use std::env;
use std::fs::File;
use std::io::Write;
use std::path::{Path, PathBuf};
fn main() {
println!("cargo:rerun-if-changed=build.rs");
let out = env::var("OUT_DIR").unwrap();
let out_dir = &PathBuf::from(&out);
let status = Command::new("clang")
.args(&["-target", "armv7-unknown-linux", "-fno-stack-protector",
"src/unlzma.c", "-O2", "-c", "-fPIC", "-o",
&format!("{}/unlzma.o", out)])
.status().unwrap();
assert!(status.success());
let status = Command::new("llvm-ar")
.args(&["crus", "libunlzma.a", "unlzma.o"])
.current_dir(&Path::new(&out))
.status().unwrap();
assert!(status.success());
println!("cargo:rustc-link-search=native={}", out);
println!("cargo:rustc-link-lib=static=unlzma");
println!("cargo:rerun-if-changed=src/unlzma.c");
compile_unlzma();
// Put the linker script somewhere the linker can find it
File::create(out_dir.join("link.x"))
.unwrap()
@ -34,3 +20,29 @@ fn main() {
// instead of when any part of the source code changes.
println!("cargo:rerun-if-changed=link.x");
}
pub fn compile_unlzma() {
let cfg = &mut cc::Build::new();
cfg.compiler("clang");
cfg.no_default_flags(true);
cfg.warnings(false);
cfg.flag("-nostdlib");
cfg.flag("-ffreestanding");
cfg.flag("-fPIC");
cfg.flag("-fno-stack-protector");
cfg.flag("--target=armv7-unknown-linux");
cfg.flag("-O2");
let sources = vec![
"unlzma.c",
];
let root = Path::new("./");
for src in sources {
println!("cargo:rerun-if-changed={}", src);
cfg.file(root.join("src").join(src));
}
cfg.compile("unlzma");
}