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tests: check availability of pyflakes by trying to import pyflakes module...

tests: check availability of pyflakes by trying to import pyflakes module Since e397c6d74652, we use the pyflakes module instead of the pyflakes executable. As was pointed out during the review, the hghave check can be rewritten to try to import the pyflakes module instead of spawning a new subprocess.

Raphaël Gomès - - Load All Authors

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             build.rs
        
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                | application/rls-services+xml
            
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             / rust / hg-core / build.rs
          
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      // build.rs

      //

      // Copyright 2020 Raphaël Gomès <rgomes@octobus.net>

      //

      // This software may be used and distributed according to the terms of the

      // GNU General Public License version 2 or any later version.

      #[cfg(feature = "with-re2")]

      use cc;

      #[cfg(feature = "with-re2")]

      fn compile_re2() {

          cc::Build::new()

              .cpp(true)

              .flag("-std=c++11")

              .file("src/re2/rust_re2.cpp")

              .compile("librustre.a");

          println!("cargo:rustc-link-lib=re2");

      }

      fn main() {

          #[cfg(feature = "with-re2")]

          compile_re2();

      }

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				// build.rs
				//
				// Copyright 2020 Raphaël Gomès <rgomes@octobus.net>
				//
				// This software may be used and distributed according to the terms of the
				// GNU General Public License version 2 or any later version.

				#[cfg(feature = "with-re2")]
				use cc;

				#[cfg(feature = "with-re2")]
				fn compile_re2() {
				cc::Build::new()
				.cpp(true)
				.flag("-std=c++11")
				.file("src/re2/rust_re2.cpp")
				.compile("librustre.a");

				println!("cargo:rustc-link-lib=re2");
				}

				fn main() {
				#[cfg(feature = "with-re2")]
				compile_re2();
				}