pub fn try_compile(&self, output: &str) -> Result<(), Error> {
        let (lib_name, gnu_lib_name) = if output.starts_with("lib") && output.ends_with(".a") {
            (&output[3..output.len() - 2], output.to_owned())
        } else {
            let mut gnu = String::with_capacity(5 + output.len());
            gnu.push_str("lib");
            gnu.push_str(&output);
            gnu.push_str(".a");
            (output, gnu)
        };
        let dst = self.get_out_dir()?;

        let mut objects = Vec::new();
        for file in self.files.iter() {
            let obj = dst.join(file).with_extension("o");
            let obj = if !obj.starts_with(&dst) {
                dst.join(obj.file_name().ok_or_else(|| {
                    Error::new(ErrorKind::IOError, "Getting object file details failed.")
                })?)
            } else {
                obj
            };

            match obj.parent() {
                Some(s) => fs::create_dir_all(s)?,
                None => {
                    return Err(Error::new(
                        ErrorKind::IOError,
                        "Getting object file details failed.",
                    ));
                }
            };

            objects.push(Object::new(file.to_path_buf(), obj));
        }
        self.compile_objects(&objects)?;
        self.assemble(lib_name, &dst.join(gnu_lib_name), &objects)?;

        if self.get_target()?.contains("msvc") {
            let compiler = self.get_base_compiler()?;
            let atlmfc_lib = compiler
                .env()
                .iter()
                .find(|&&(ref var, _)| var.as_os_str() == OsStr::new("LIB"))
                .and_then(|&(_, ref lib_paths)| {
                    env::split_paths(lib_paths).find(|path| {
                        let sub = Path::new("atlmfc/lib");
                        path.ends_with(sub) || path.parent().map_or(false, |p| p.ends_with(sub))
                    })
                });

            if let Some(atlmfc_lib) = atlmfc_lib {
                self.print(&format!(
                    "cargo:rustc-link-search=native={}",
                    atlmfc_lib.display()
                ));
            }
        }

        self.print(&format!("cargo:rustc-link-lib=static={}", lib_name));
        self.print(&format!("cargo:rustc-link-search=native={}", dst.display()));

        // Add specific C++ libraries, if enabled.
        if self.cpp {
            if let Some(stdlib) = self.get_cpp_link_stdlib()? {
                self.print(&format!("cargo:rustc-link-lib={}", stdlib));
            }
        }

        let cudart = match &self.cudart {
            Some(opt) => opt.as_str(), // {none|shared|static}
            None => "none",
        };
        if cudart != "none" {
            if let Some(nvcc) = which(&self.get_compiler().path) {
                // Try to figure out the -L search path. If it fails,
                // it's on user to specify one by passing it through
                // RUSTFLAGS environment variable.
                let mut libtst = false;
                let mut libdir = nvcc;
                libdir.pop(); // remove 'nvcc'
                libdir.push("..");
                let target_arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap();
                if cfg!(target_os = "linux") {
                    libdir.push("targets");
                    libdir.push(target_arch.to_owned() + "-linux");
                    libdir.push("lib");
                    libtst = true;
                } else if cfg!(target_env = "msvc") {
                    libdir.push("lib");
                    match target_arch.as_str() {
                        "x86_64" => {
                            libdir.push("x64");
                            libtst = true;
                        }
                        "x86" => {
                            libdir.push("Win32");
                            libtst = true;
                        }
                        _ => libtst = false,
                    }
                }
                if libtst && libdir.is_dir() {
                    println!(
                        "cargo:rustc-link-search=native={}",
                        libdir.to_str().unwrap()
                    );
                }

                // And now the -l flag.
                let lib = match cudart {
                    "shared" => "cudart",
                    "static" => "cudart_static",
                    bad => panic!("unsupported cudart option: {}", bad),
                };
                println!("cargo:rustc-link-lib={}", lib);
            }
        }

        Ok(())
    }
/// Run the compiler, generating the file `output`
///
/// This will return a result instead of panicing; see compile() for the complete description.
Run the compiler, generating the file `output`
This will return a result instead of panicing; see compile() for the complete description.
Run the compiler generating the file ` output ` This will return a result instead of panicing ; see compile () for the complete description .
pub fn try_compile(&self, output: &str) -> Result<(), Error> {
        let (lib_name, gnu_lib_name) = if output.starts_with("lib") && output.ends_with(".a") {
            (&output[3..output.len() - 2], output.to_owned())
        } else {
            let mut gnu = String::with_capacity(5 + output.len());
            gnu.push_str("lib");
            gnu.push_str(&output);
            gnu.push_str(".a");
            (output, gnu)
        };
        let dst = self.get_out_dir()?;
        let mut objects = Vec::new();
        for file in self.files.iter() {
            let obj = dst.join(file).with_extension("o");
            let obj = if !obj.starts_with(&dst) {
                dst.join(obj.file_name().ok_or_else(|| {
                    Error::new(ErrorKind::IOError, "Getting object file details failed.")
                })?)
            } else {
                obj
            };
            match obj.parent() {
                Some(s) => fs::create_dir_all(s)?,
                None => {
                    return Err(Error::new(
                        ErrorKind::IOError,
                        "Getting object file details failed.",
                    ));
                }
            };
            objects.push(Object::new(file.to_path_buf(), obj));
        }
        self.compile_objects(&objects)?;
        self.assemble(lib_name, &dst.join(gnu_lib_name), &objects)?;
        if self.get_target()?.contains("msvc") {
            let compiler = self.get_base_compiler()?;
            let atlmfc_lib = compiler
                .env()
                .iter()
                .find(|&&(ref var, _)| var.as_os_str() == OsStr::new("LIB"))
                .and_then(|&(_, ref lib_paths)| {
                    env::split_paths(lib_paths).find(|path| {
                        let sub = Path::new("atlmfc/lib");
                        path.ends_with(sub) || path.parent().map_or(false, |p| p.ends_with(sub))
                    })
                });
            if let Some(atlmfc_lib) = atlmfc_lib {
                self.print(&format!(
                    "cargo:rustc-link-search=native={}",
                    atlmfc_lib.display()
                ));
            }
        }
        self.print(&format!("cargo:rustc-link-lib=static={}", lib_name));
        self.print(&format!("cargo:rustc-link-search=native={}", dst.display()));
        // Add specific C++ libraries, if enabled.
        if self.cpp {
            if let Some(stdlib) = self.get_cpp_link_stdlib()? {
                self.print(&format!("cargo:rustc-link-lib={}", stdlib));
            }
        }
        let cudart = match &self.cudart {
            Some(opt) => opt.as_str(), // {none|shared|static}
            None => "none",
        };
        if cudart != "none" {
            if let Some(nvcc) = which(&self.get_compiler().path) {
                // Try to figure out the -L search path. If it fails,
                // it's on user to specify one by passing it through
                // RUSTFLAGS environment variable.
                let mut libtst = false;
                let mut libdir = nvcc;
                libdir.pop(); // remove 'nvcc'
                libdir.push("..");
                let target_arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap();
                if cfg!(target_os = "linux") {
                    libdir.push("targets");
                    libdir.push(target_arch.to_owned() + "-linux");
                    libdir.push("lib");
                    libtst = true;
                } else if cfg!(target_env = "msvc") {
                    libdir.push("lib");
                    match target_arch.as_str() {
                        "x86_64" => {
                            libdir.push("x64");
                            libtst = true;
                        }
                        "x86" => {
                            libdir.push("Win32");
                            libtst = true;
                        }
                        _ => libtst = false,
                    }
                }
                if libtst && libdir.is_dir() {
                    println!(
                        "cargo:rustc-link-search=native={}",
                        libdir.to_str().unwrap()
                    );
                }
                // And now the -l flag.
                let lib = match cudart {
                    "shared" => "cudart",
                    "static" => "cudart_static",
                    bad => panic!("unsupported cudart option: {}", bad),
                };
                println!("cargo:rustc-link-lib={}", lib);
            }
        }
        Ok(())
    }
pub fn try_compile ( & self , output : & str ) -> Result < ( ) , Error > { let ( lib_name , gnu_lib_name ) = if output . starts_with ( " " ) && output . ends_with ( " " ) { ( & output [ 3 .. output . len ( ) - 2 ] , output . to_owned ( ) ) } else { let mut gnu = String :: with_capacity ( 5 + output . len ( ) ) ; gnu . push_str ( " " ) ; gnu . push_str ( & output ) ; gnu . push_str ( " " ) ; ( output , gnu ) } ; let dst = self . get_out_dir ( ) ? ; let mut objects = Vec :: new ( ) ; for file in self . files . iter ( ) { let obj = dst . join ( file ) . with_extension ( " " ) ; let obj = if ! obj . starts_with ( & dst ) { dst . join ( obj . file_name ( ) . ok_or_else ( | | { Error :: new ( ErrorKind :: IOError , " " ) } ) ? ) } else { obj } ; match obj . parent ( ) { Some ( s ) => fs :: create_dir_all ( s ) ? , None => { return Err ( Error :: new ( ErrorKind :: IOError , " " , ) ) ; } } ; objects . push ( Object :: new ( file . to_path_buf ( ) , obj ) ) ; } self . compile_objects ( & objects ) ? ; self . assemble ( lib_name , & dst . join ( gnu_lib_name ) , & objects ) ? ; if self . get_target ( ) ? . contains ( " " ) { let compiler = self . get_base_compiler ( ) ? ; let atlmfc_lib = compiler . env ( ) . iter ( ) . find ( | & & ( ref var , _ ) | var . as_os_str ( ) == OsStr :: new ( " " ) ) . and_then ( | & ( _ , ref lib_paths ) | { env :: split_paths ( lib_paths ) . find ( | path | { let sub = Path :: new ( " " ) ; path . ends_with ( sub ) || path . parent ( ) . map_or ( false , | p | p . ends_with ( sub ) ) } ) } ) ; if let Some ( atlmfc_lib ) = atlmfc_lib { self . print ( & format ! ( " " atlmfc_lib display ( ) ) ) ; } } self . print ( & format ! ( " " lib_name ) ) ; self . print ( & format ! ( " " dst display ( ) ) ) ; // Add specific C++ libraries, if enabled. if self . cpp { if let Some ( stdlib ) = self . get_cpp_link_stdlib ( ) ? { self . print ( & format ! ( " " stdlib ) ) ; } } let cudart = match & self . cudart { Some ( opt ) => opt . as_str ( ) , // {none|shared|static} None => " " , } ; if cudart != " " { if let Some ( nvcc ) = which ( & self . get_compiler ( ) . path ) { // Try to figure out the -L search path. If it fails, // it's on user to specify one by passing it through // RUSTFLAGS environment variable. let mut libtst = false ; let mut libdir = nvcc ; libdir . pop ( ) ; // remove 'nvcc' libdir . push ( " " ) ; let target_arch = env :: var ( " " ) . unwrap ( ) ; if cfg ! ( target_os " " ) { libdir . push ( " " ) ; libdir . push ( target_arch . to_owned ( ) + " " ) ; libdir . push ( " " ) ; libtst = true ; } else if cfg ! ( target_env " " ) { libdir . push ( " " ) ; match target_arch . as_str ( ) { " " => { libdir . push ( " " ) ; libtst = true ; } " " => { libdir . push ( " " ) ; libtst = true ; } _ => libtst = false , } } if libtst && libdir . is_dir ( ) { println ! ( " " libdir to_str ( ) unwrap ( ) ) ; } // And now the -l flag. let lib = match cudart { " " => " " , " " => " " , bad => panic ! ( " " bad ) , } ; println ! ( " " lib ) ; } } Ok ( ( ) ) }
Run the compiler, generating the file `output`
This will return a result instead of panicing; see compile() for the complete description.
Run the compiler generating the file ` output ` This will return a result instead of panicing ; see compile () for the complete description .
&self
output
&str