BUG: Use raw strings for paths

* `\U` leads to strings being treated as unicode, hence we escape it
  with raw strings
* Changed bool parameters real bools instead of string `"True"` and
  `"False"`

[wheel build]

scipy/__config__.py.in

@@ -17,7 +17,7 @@ def _cleanup(d):
  This ensures we remove values that Meson could not provide to CONFIG
  """
  if isinstance(d, dict):
- return { k: _cleanup(v) for k, v in d.items() if v and _cleanup(v) }
+ return { k: _cleanup(v) for k, v in d.items() if v != '' and _cleanup(v) != '' }
  else:
  return d
 
@@ -51,7 +51,7 @@ CONFIG = _cleanup(
  },
  "pythran": {
  "version": "@PYTHRAN_VERSION@",
- "include directory": "@PYTHRAN_INCDIR@"
+ "include directory": r"@PYTHRAN_INCDIR@"
  },
  },
  "Machine Information": {
@@ -67,32 +67,32 @@ CONFIG = _cleanup(
  "endian": "@BUILD_CPU_ENDIAN@",
  "system": "@BUILD_CPU_SYSTEM@",
  },
- "cross-compiled": "@CROSS_COMPILED@",
+ "cross-compiled": bool("@CROSS_COMPILED@".lower().replace('false', '')),
  },
  "Build Dependencies": {
  "blas": {
  "name": "@BLAS_NAME@",
- "found": "@BLAS_FOUND@",
+ "found": bool("@BLAS_FOUND@".lower().replace('false', '')),
  "version": "@BLAS_VERSION@",
  "detection method": "@BLAS_TYPE_NAME@",
- "include directory": "@BLAS_INCLUDEDIR@",
- "lib directory": "@BLAS_LIBDIR@",
+ "include directory": r"@BLAS_INCLUDEDIR@",
+ "lib directory": r"@BLAS_LIBDIR@",
  "openblas configuration": "@BLAS_OPENBLAS_CONFIG@",
- "pc file directory": "@BLAS_PCFILEDIR@",
+ "pc file directory": r"@BLAS_PCFILEDIR@",
  },
  "lapack": {
  "name": "@LAPACK_NAME@",
- "found": "@LAPACK_FOUND@",
+ "found": bool("@LAPACK_FOUND@".lower().replace('false', '')),
  "version": "@LAPACK_VERSION@",
  "detection method": "@LAPACK_TYPE_NAME@",
- "include directory": "@LAPACK_INCLUDEDIR@",
- "lib directory": "@LAPACK_LIBDIR@",
+ "include directory": r"@LAPACK_INCLUDEDIR@",
+ "lib directory": r"@LAPACK_LIBDIR@",
  "openblas configuration": "@LAPACK_OPENBLAS_CONFIG@",
- "pc file directory": "@LAPACK_PCFILEDIR@",
+ "pc file directory": r"@LAPACK_PCFILEDIR@",
  },
  },
  "Python Information": {
- "path": "@PYTHON_PATH@",
+ "path": r"@PYTHON_PATH@",
  "version": "@PYTHON_VERSION@",
  },
  }