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bpo-32598: Use autoconf to detect usable OpenSSL (#5242)

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Add https://www.gnu.org/software/autoconf-archive/ax_check_openssl.html
to auto-detect compiler flags, linker flags and libraries to compile
OpenSSL extensions. The M4 macro uses pkg-config and falls back to
manual detection.

Add autoconf magic to detect usable X509_VERIFY_PARAM_set1_host()
and related functions.

Refactor setup.py to use new config vars to compile _ssl and _hashlib
modules.

Signed-off-by: Christian Heimes <christian@python.org>
This commit is contained in:
Christian Heimes 2018-01-20 13:19:21 +01:00 • committed by GitHub
parent d911e40e78
commit ff5be6e810
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9 changed files with 585 additions and 83 deletions
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7
Modules/_ssl.c
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@ -64,6 +64,13 @@ static PySocketModule_APIObject PySocketModule;
#include "openssl/rand.h"
#include "openssl/bio.h"
/* Set HAVE_X509_VERIFY_PARAM_SET1_HOST for non-autoconf builds */
#ifndef HAVE_X509_VERIFY_PARAM_SET1_HOST
# if !defined(LIBRESSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER > 0x1000200fL
# define HAVE_X509_VERIFY_PARAM_SET1_HOST
# endif
#endif
/* SSL error object */
static PyObject *PySSLErrorObject;
static PyObject *PySSLCertVerificationErrorObject;