Compiling thiserror v1.0.22
   Compiling leptonica-sys v0.3.3
   Compiling tesseract-sys v0.5.4
error: failed to run custom build command for `tesseract-sys v0.5.4`

Caused by:
  process didn't exit successfully: `/Users/a18678299/Documents/test-rc/target/debug/build/tesseract-sys-04ae1979553eebf3/build-script-build` (exit code: 101)
  --- stdout
  cargo:rustc-link-lib=tesseract

  --- stderr
  /usr/local/include/tesseract/publictypes.h:33:1: error: unknown type name 'constexpr'
  /usr/local/include/tesseract/publictypes.h:38:1: error: unknown type name 'constexpr'
  /usr/local/include/tesseract/publictypes.h:40:1: error: unknown type name 'constexpr'
  /usr/local/include/tesseract/publictypes.h:45:1: error: unknown type name 'constexpr'
  /usr/local/include/tesseract/publictypes.h:33:1: error: unknown type name 'constexpr', err: true
  /usr/local/include/tesseract/publictypes.h:38:1: error: unknown type name 'constexpr', err: true
  /usr/local/include/tesseract/publictypes.h:40:1: error: unknown type name 'constexpr', err: true
  /usr/local/include/tesseract/publictypes.h:45:1: error: unknown type name 'constexpr', err: true
  thread 'main' panicked at 'Unable to generate public types bindings: ()', /Users/a18678299/.cargo/registry/src/github.com-1ecc6299db9ec823/tesseract-sys-0.5.4/build.rs:68:10
  note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace