diff options
-rw-r--r-- | Lib/distutils/command/install.py | 22 | ||||
-rw-r--r-- | Lib/sysconfig.py | 12 | ||||
-rw-r--r-- | Misc/NEWS.d/next/Build/2021-05-24-03-31-17.bpo-41282.L8nP44.rst | 3 |
3 files changed, 31 insertions, 6 deletions
diff --git a/Lib/distutils/command/install.py b/Lib/distutils/command/install.py index d33a889..26696cf 100644 --- a/Lib/distutils/command/install.py +++ b/Lib/distutils/command/install.py @@ -37,12 +37,19 @@ INSTALL_SCHEMES = {"unix_prefix": {}, "unix_home": {}, "nt": {}} # Copy from sysconfig._INSTALL_SCHEMES for key in SCHEME_KEYS: - sys_key = key - if key == "headers": - sys_key = "include" - INSTALL_SCHEMES["unix_prefix"][key] = sysconfig._INSTALL_SCHEMES["posix_prefix"][sys_key] - INSTALL_SCHEMES["unix_home"][key] = sysconfig._INSTALL_SCHEMES["posix_home"][sys_key] - INSTALL_SCHEMES["nt"][key] = sysconfig._INSTALL_SCHEMES["nt"][sys_key] + for distutils_scheme_name, sys_scheme_name in ( + ("unix_prefix", "posix_prefix"), ("unix_home", "posix_home"), + ("nt", "nt")): + sys_key = key + sys_scheme = sysconfig._INSTALL_SCHEMES[sys_scheme_name] + if key == "headers" and key not in sys_scheme: + # On POSIX-y platofrms, Python will: + # - Build from .h files in 'headers' (only there when + # building CPython) + # - Install .h files to 'include' + # When 'headers' is missing, fall back to 'include' + sys_key = 'include' + INSTALL_SCHEMES[distutils_scheme_name][key] = sys_scheme[sys_key] # Transformation to different template format for main_key in INSTALL_SCHEMES: @@ -316,6 +323,9 @@ class install(Command): self.config_vars['userbase'] = self.install_userbase self.config_vars['usersite'] = self.install_usersite + if sysconfig.is_python_build(True): + self.config_vars['srcdir'] = sysconfig.get_config_var('srcdir') + self.expand_basedirs() self.dump_dirs("post-expand_basedirs()") diff --git a/Lib/sysconfig.py b/Lib/sysconfig.py index e8869af..730d33d 100644 --- a/Lib/sysconfig.py +++ b/Lib/sysconfig.py @@ -182,6 +182,18 @@ def is_python_build(check_home=False): _PYTHON_BUILD = is_python_build(True) +if _PYTHON_BUILD: + for scheme in ('posix_prefix', 'posix_home'): + # On POSIX-y platofrms, Python will: + # - Build from .h files in 'headers' (which is only added to the + # scheme when building CPython) + # - Install .h files to 'include' + scheme = _INSTALL_SCHEMES[scheme] + scheme['headers'] = scheme['include'] + scheme['include'] = '{srcdir}/Include' + scheme['platinclude'] = '{projectbase}/.' + + def _subst_vars(s, local_vars): try: return s.format(**local_vars) diff --git a/Misc/NEWS.d/next/Build/2021-05-24-03-31-17.bpo-41282.L8nP44.rst b/Misc/NEWS.d/next/Build/2021-05-24-03-31-17.bpo-41282.L8nP44.rst new file mode 100644 index 0000000..cc6eade --- /dev/null +++ b/Misc/NEWS.d/next/Build/2021-05-24-03-31-17.bpo-41282.L8nP44.rst @@ -0,0 +1,3 @@ +Fix broken ``make install`` that caused standard library extension modules +to be unnecessarily and incorrectly rebuilt during the install phase of +cpython. |