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fix link error on os with systemd #629

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merged 3 commits into from
Aug 13, 2023
Merged

fix link error on os with systemd #629

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3b67b59
fix link error on os with systemd
fortime Aug 6, 2023
f3565f0
always searching cache for systemd
fortime Aug 8, 2023
037942e
Merge branch 'master' into fix/link-systemd
BusyJay Aug 12, 2023
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29 changes: 29 additions & 0 deletions grpc-sys/build.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -293,9 +293,38 @@ fn build_grpc(cc: &mut cc::Build, library: &str) {
}
}

figure_systemd_path(&build_dir);

cc.include("grpc/include");
}

fn figure_systemd_path(build_dir: &str) {
let path = format!("{build_dir}/CMakeCache.txt");
let f = BufReader::new(std::fs::File::open(&path).unwrap());
let mut libdir: Option<String> = None;
let mut libname: Option<String> = None;
for l in f.lines() {
let l = l.unwrap();
if let Some(s) = trim_start(&l, "SYSTEMD_LIBDIR:INTERNAL=").filter(|s| !s.is_empty()) {
libdir = Some(s.to_owned());
if libname.is_some() {
break;
}
} else if let Some(s) =
trim_start(&l, "SYSTEMD_LIBRARIES:INTERNAL=").filter(|s| !s.is_empty())
{
libname = Some(s.to_owned());
if libdir.is_some() {
break;
}
}
}
if let (Some(libdir), Some(libname)) = (libdir, libname) {
println!("cargo:rustc-link-search=native={}", libdir);
println!("cargo:rustc-link-lib={}", libname);
}
}

fn figure_ssl_path(build_dir: &str) {
let path = format!("{build_dir}/CMakeCache.txt");
let f = BufReader::new(std::fs::File::open(&path).unwrap());
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