diff options
| -rw-r--r-- | build.rs | 17 |
1 files changed, 8 insertions, 9 deletions
@@ -1,7 +1,6 @@ -//! This build script generates rust sys files that link to the libnftnl C library. It does so -//! by : -//! - setting up rustc's necessary include directives using `pkg_config`, and -//! - generating the rust include files that wil be used by the crate, using `bindgen`. +//! This build script leverages `bindgen` to generate rust sys files that link to the libnftnl +//! library. It retrieves the includes needed by `bindgen` using `pkg_config`, and tells cargo +//! the directives needed by the linker to link against the exported symbols. use bindgen; use lazy_static::lazy_static; @@ -28,7 +27,7 @@ fn main() { generate_tests_sys(); } -/// Setup rustc includes for libnftnl and return the include directory list. +/// Setup rust linking directives for libnftnl, and return the include directory list. fn pkg_config_nftnl() -> Vec<String> { let mut res = vec![]; @@ -56,7 +55,7 @@ fn pkg_config_nftnl() -> Vec<String> { res } -/// Setup rustc includes for libmnl. +/// Setup rust linking directives for libmnl. fn pkg_config_mnl() { if let Some(lib_dir) = get_env("LIBMNL_LIB_DIR") { if !lib_dir.is_dir() { @@ -169,12 +168,12 @@ fn generate_tests_sys() { .expect("Error: could not write to the rust header file."); } -/// Recast nft_*_attributes from u32 to u16 in header file `before`. -fn reformat_units(before: &str) -> Cow<str> { +/// Recast nft_*_attributes from u32 to u16 in header string `header`. +fn reformat_units(header: &str) -> Cow<str> { lazy_static! { static ref RE: Regex = Regex::new(r"(pub type nft[a-zA-Z_]*_attributes) = u32;").unwrap(); } - RE.replace_all(before, |captures: &Captures| { + RE.replace_all(header, |captures: &Captures| { format!("{} = u16;", &captures[1]) }) } |