bpo-45847: Port builtin hashlib extensions to PY_STDLIB_MOD (GH-29642)

diff --git a/Misc/NEWS.d/next/Build/2021-11-19-17-57-57.bpo-45847.9phcpd.rst b/Misc/NEWS.d/next/Build/2021-11-19-17-57-57.bpo-45847.9phcpd.rst
new file mode 100644 (file)
index 0000000..05bc9cc
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2021-11-19-17-57-57.bpo-45847.9phcpd.rst
@@ -0,0 +1 @@
+Port builtin hashlib extensions to ``PY_STDLIB_MOD`` macro and ``addext()``.

diff --git a/Modules/Setup.stdlib.in b/Modules/Setup.stdlib.in
index 3b0d3227bc5b04185b36884428ab06f4a0b3b1a6..ee07f4d5d8ea4b8ededae05e6f8b451bd7735786 100644 (file)
--- a/Modules/Setup.stdlib.in
+++ b/Modules/Setup.stdlib.in
@@ -37,6 +37,13 @@
 # with ./configure --with-system-libmpdec
 @MODULE__DECIMAL_TRUE@_decimal _decimal/_decimal.c
 
+# hashing builtins, can be disabled with --without-builtin-hashlib-hashes
+@MODULE__MD5_TRUE@_md5 md5module.c
+@MODULE__SHA1_TRUE@_sha1 sha1module.c
+@MODULE__SHA256_TRUE@_sha256 sha256module.c
+@MODULE__SHA512_TRUE@_sha512 sha512module.c
+@MODULE__SHA3_TRUE@_sha3 _sha3/sha3module.c
+@MODULE__BLAKE2_TRUE@_blake2 _blake2/blake2module.c _blake2/blake2b_impl.c _blake2/blake2s_impl.c
 
 ############################################################################
 # XML and text

diff --git a/configure b/configure
index 96005cb63aff059a5b03d3e93890009b3a8a5555..e8935dfb625fe09f6d18d0e0f7434c352d1015e4 100755 (executable)
--- a/configure
+++ b/configure
@@ -628,6 +628,18 @@ MODULE__SQLITE3_FALSE
 MODULE__SQLITE3_TRUE
 MODULE__DECIMAL_FALSE
 MODULE__DECIMAL_TRUE
+MODULE__BLAKE2_FALSE
+MODULE__BLAKE2_TRUE
+MODULE__SHA3_FALSE
+MODULE__SHA3_TRUE
+MODULE__SHA512_FALSE
+MODULE__SHA512_TRUE
+MODULE__SHA256_FALSE
+MODULE__SHA256_TRUE
+MODULE__SHA1_FALSE
+MODULE__SHA1_TRUE
+MODULE__MD5_FALSE
+MODULE__MD5_TRUE
 MODULE__ELEMENTTREE_FALSE
 MODULE__ELEMENTTREE_TRUE
 MODULE_PYEXPAT_FALSE
@@ -19333,33 +19345,51 @@ $as_echo_n "checking for --with-builtin-hashlib-hashes... " >&6; }
 # Check whether --with-builtin-hashlib-hashes was given.
 if test "${with_builtin_hashlib_hashes+set}" = set; then :
   withval=$with_builtin_hashlib_hashes;
-case "$withval" in
-    yes)
-        withval=$default_hashlib_hashes
-        ;;
-    no)
-        withval=""
-        ;;
+  case $with_builtin_hashlib_hashes in #(
+  yes) :
+    with_builtin_hashlib_hashes=$default_hashlib_hashes ;; #(
+  no) :
+    with_builtin_hashlib_hashes=""
+   ;; #(
+  *) :
+     ;;
 esac
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $withval" >&5
-$as_echo "$withval" >&6; }
-cat >>confdefs.h <<_ACEOF
-#define PY_BUILTIN_HASHLIB_HASHES "$withval"
-_ACEOF
-
 
 else
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $default_hashlib_hashes" >&5
-$as_echo "$default_hashlib_hashes" >&6; };
-cat >>confdefs.h <<_ACEOF
-#define PY_BUILTIN_HASHLIB_HASHES "$default_hashlib_hashes"
-_ACEOF
-
-
+  with_builtin_hashlib_hashes=$default_hashlib_hashes
 fi
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_builtin_hashlib_hashes" >&5
+$as_echo "$with_builtin_hashlib_hashes" >&6; }
+cat >>confdefs.h <<_ACEOF
+#define PY_BUILTIN_HASHLIB_HASHES "$with_builtin_hashlib_hashes"
+_ACEOF
+
+
+as_save_IFS=$IFS
+IFS=,
+for builtin_hash in $with_builtin_hashlib_hashes; do
+    case $builtin_hash in #(
+  md5) :
+    with_builtin_md5=yes ;; #(
+  sha1) :
+    with_builtin_sha1=yes ;; #(
+  sha256) :
+    with_builtin_sha256=yes ;; #(
+  sha512) :
+    with_builtin_sha512=yes ;; #(
+  sha3) :
+    with_builtin_sha3=yes ;; #(
+  blake2) :
+    with_builtin_blake2=yes
+     ;; #(
+  *) :
+     ;;
+esac
+done
+IFS=$as_save_IFS
+
 # --with-experimental-isolated-subinterpreters
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for --with-experimental-isolated-subinterpreters" >&5
@@ -19660,6 +19690,307 @@ $as_echo "$py_cv_module__elementtree" >&6; }
 
 
 
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _md5" >&5
+$as_echo_n "checking for stdlib extension module _md5... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_md5*) :
+    py_cv_module__md5=n/a ;; #(
+  *) :
+
+      if test "$with_builtin_md5" = yes; then :
+  if true; then :
+  py_cv_module__md5=yes
+else
+  py_cv_module__md5=missing
+fi
+else
+  py_cv_module__md5=disabled
+
+fi
+
+   ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__MD5=$py_cv_module__md5$as_nl"
+  if test "x$py_cv_module__md5" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__MD5_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__MD5_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__MD5_TRUE=
+  MODULE__MD5_FALSE='#'
+else
+  MODULE__MD5_TRUE='#'
+  MODULE__MD5_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__MD5_TRUE=
+  MODULE__MD5_FALSE='#'
+else
+  MODULE__MD5_TRUE='#'
+  MODULE__MD5_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__md5" >&5
+$as_echo "$py_cv_module__md5" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _sha1" >&5
+$as_echo_n "checking for stdlib extension module _sha1... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_sha1*) :
+    py_cv_module__sha1=n/a ;; #(
+  *) :
+
+      if test "$with_builtin_sha1" = yes; then :
+  if true; then :
+  py_cv_module__sha1=yes
+else
+  py_cv_module__sha1=missing
+fi
+else
+  py_cv_module__sha1=disabled
+
+fi
+
+   ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__SHA1=$py_cv_module__sha1$as_nl"
+  if test "x$py_cv_module__sha1" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__SHA1_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__SHA1_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__SHA1_TRUE=
+  MODULE__SHA1_FALSE='#'
+else
+  MODULE__SHA1_TRUE='#'
+  MODULE__SHA1_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__SHA1_TRUE=
+  MODULE__SHA1_FALSE='#'
+else
+  MODULE__SHA1_TRUE='#'
+  MODULE__SHA1_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__sha1" >&5
+$as_echo "$py_cv_module__sha1" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _sha256" >&5
+$as_echo_n "checking for stdlib extension module _sha256... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_sha256*) :
+    py_cv_module__sha256=n/a ;; #(
+  *) :
+
+      if test "$with_builtin_sha256" = yes; then :
+  if true; then :
+  py_cv_module__sha256=yes
+else
+  py_cv_module__sha256=missing
+fi
+else
+  py_cv_module__sha256=disabled
+
+fi
+
+   ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__SHA256=$py_cv_module__sha256$as_nl"
+  if test "x$py_cv_module__sha256" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__SHA256_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__SHA256_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__SHA256_TRUE=
+  MODULE__SHA256_FALSE='#'
+else
+  MODULE__SHA256_TRUE='#'
+  MODULE__SHA256_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__SHA256_TRUE=
+  MODULE__SHA256_FALSE='#'
+else
+  MODULE__SHA256_TRUE='#'
+  MODULE__SHA256_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__sha256" >&5
+$as_echo "$py_cv_module__sha256" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _sha512" >&5
+$as_echo_n "checking for stdlib extension module _sha512... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_sha512*) :
+    py_cv_module__sha512=n/a ;; #(
+  *) :
+
+      if test "$with_builtin_sha512" = yes; then :
+  if true; then :
+  py_cv_module__sha512=yes
+else
+  py_cv_module__sha512=missing
+fi
+else
+  py_cv_module__sha512=disabled
+
+fi
+
+   ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__SHA512=$py_cv_module__sha512$as_nl"
+  if test "x$py_cv_module__sha512" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__SHA512_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__SHA512_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__SHA512_TRUE=
+  MODULE__SHA512_FALSE='#'
+else
+  MODULE__SHA512_TRUE='#'
+  MODULE__SHA512_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__SHA512_TRUE=
+  MODULE__SHA512_FALSE='#'
+else
+  MODULE__SHA512_TRUE='#'
+  MODULE__SHA512_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__sha512" >&5
+$as_echo "$py_cv_module__sha512" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _sha3" >&5
+$as_echo_n "checking for stdlib extension module _sha3... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_sha3*) :
+    py_cv_module__sha3=n/a ;; #(
+  *) :
+
+      if test "$with_builtin_sha3" = yes; then :
+  if true; then :
+  py_cv_module__sha3=yes
+else
+  py_cv_module__sha3=missing
+fi
+else
+  py_cv_module__sha3=disabled
+
+fi
+
+   ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__SHA3=$py_cv_module__sha3$as_nl"
+  if test "x$py_cv_module__sha3" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__SHA3_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__SHA3_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__SHA3_TRUE=
+  MODULE__SHA3_FALSE='#'
+else
+  MODULE__SHA3_TRUE='#'
+  MODULE__SHA3_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__SHA3_TRUE=
+  MODULE__SHA3_FALSE='#'
+else
+  MODULE__SHA3_TRUE='#'
+  MODULE__SHA3_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__sha3" >&5
+$as_echo "$py_cv_module__sha3" >&6; }
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _blake2" >&5
+$as_echo_n "checking for stdlib extension module _blake2... " >&6; }
+      case $py_stdlib_not_available in #(
+  *_blake2*) :
+    py_cv_module__blake2=n/a ;; #(
+  *) :
+
+      if test "$with_builtin_blake2" = yes; then :
+  if true; then :
+  py_cv_module__blake2=yes
+else
+  py_cv_module__blake2=missing
+fi
+else
+  py_cv_module__blake2=disabled
+
+fi
+
+   ;;
+esac
+  as_fn_append MODULE_BLOCK "MODULE__BLAKE2=$py_cv_module__blake2$as_nl"
+  if test "x$py_cv_module__blake2" = xyes; then :
+
+    as_fn_append MODULE_BLOCK "MODULE__BLAKE2_CFLAGS=$as_nl"
+    as_fn_append MODULE_BLOCK "MODULE__BLAKE2_LDFLAGS=$as_nl"
+     if true; then
+  MODULE__BLAKE2_TRUE=
+  MODULE__BLAKE2_FALSE='#'
+else
+  MODULE__BLAKE2_TRUE='#'
+  MODULE__BLAKE2_FALSE=
+fi
+
+
+else
+
+     if false; then
+  MODULE__BLAKE2_TRUE=
+  MODULE__BLAKE2_FALSE='#'
+else
+  MODULE__BLAKE2_TRUE='#'
+  MODULE__BLAKE2_FALSE=
+fi
+
+
+fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__blake2" >&5
+$as_echo "$py_cv_module__blake2" >&6; }
+
+
+
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _decimal" >&5
 $as_echo_n "checking for stdlib extension module _decimal... " >&6; }
       case $py_stdlib_not_available in #(
@@ -19916,6 +20247,54 @@ if test -z "${MODULE__ELEMENTTREE_TRUE}" && test -z "${MODULE__ELEMENTTREE_FALSE
   as_fn_error $? "conditional \"MODULE__ELEMENTTREE\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${MODULE__MD5_TRUE}" && test -z "${MODULE__MD5_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__MD5\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__MD5_TRUE}" && test -z "${MODULE__MD5_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__MD5\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SHA1_TRUE}" && test -z "${MODULE__SHA1_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SHA1\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SHA1_TRUE}" && test -z "${MODULE__SHA1_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SHA1\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SHA256_TRUE}" && test -z "${MODULE__SHA256_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SHA256\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SHA256_TRUE}" && test -z "${MODULE__SHA256_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SHA256\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SHA512_TRUE}" && test -z "${MODULE__SHA512_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SHA512\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SHA512_TRUE}" && test -z "${MODULE__SHA512_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SHA512\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SHA3_TRUE}" && test -z "${MODULE__SHA3_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SHA3\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__SHA3_TRUE}" && test -z "${MODULE__SHA3_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__SHA3\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__BLAKE2_TRUE}" && test -z "${MODULE__BLAKE2_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__BLAKE2\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MODULE__BLAKE2_TRUE}" && test -z "${MODULE__BLAKE2_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__BLAKE2\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${MODULE__DECIMAL_TRUE}" && test -z "${MODULE__DECIMAL_FALSE}"; then
   as_fn_error $? "conditional \"MODULE__DECIMAL\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5

diff --git a/configure.ac b/configure.ac
index d4c9bef42426568b9bdc8451c2d065ec362f9175..754b066f52ed02be5feca7cc2952ee27dd3747be 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -5902,21 +5902,28 @@ AC_ARG_WITH(builtin-hashlib-hashes,
                            [builtin hash modules,
                             md5, sha1, sha256, sha512, sha3 (with shake), blake2]),
 [
-case "$withval" in
-    yes)
-        withval=$default_hashlib_hashes
-        ;;
-    no)
-        withval=""
-        ;;
-esac
-AC_MSG_RESULT($withval)
-AC_DEFINE_UNQUOTED(PY_BUILTIN_HASHLIB_HASHES, "$withval")
-],
-[
-AC_MSG_RESULT($default_hashlib_hashes);
-AC_DEFINE_UNQUOTED(PY_BUILTIN_HASHLIB_HASHES, "$default_hashlib_hashes")
-])
+  AS_CASE([$with_builtin_hashlib_hashes],
+    [yes], [with_builtin_hashlib_hashes=$default_hashlib_hashes],
+    [no], [with_builtin_hashlib_hashes=""]
+  )
+], [with_builtin_hashlib_hashes=$default_hashlib_hashes])
+
+AC_MSG_RESULT($with_builtin_hashlib_hashes)
+AC_DEFINE_UNQUOTED(PY_BUILTIN_HASHLIB_HASHES, "$with_builtin_hashlib_hashes")
+
+as_save_IFS=$IFS
+IFS=,
+for builtin_hash in $with_builtin_hashlib_hashes; do
+    AS_CASE($builtin_hash,
+      [md5], [with_builtin_md5=yes],
+      [sha1], [with_builtin_sha1=yes],
+      [sha256], [with_builtin_sha256=yes],
+      [sha512], [with_builtin_sha512=yes],
+      [sha3], [with_builtin_sha3=yes],
+      [blake2], [with_builtin_blake2=yes]
+    )
+done
+IFS=$as_save_IFS
 
 # --with-experimental-isolated-subinterpreters
 AH_TEMPLATE(EXPERIMENTAL_ISOLATED_SUBINTERPRETERS,
@@ -6060,6 +6067,15 @@ dnl _elementtree loads libexpat via CAPI hook in pyexpat
 PY_STDLIB_MOD([pyexpat], [], [], [$LIBEXPAT_CFLAGS], [$LIBEXPAT_LDFLAGS])
 PY_STDLIB_MOD([_elementtree], [], [], [$LIBEXPAT_CFLAGS], [])
 
+dnl By default we always compile these even when OpenSSL is available
+dnl (issue #14693). The modules are small.
+PY_STDLIB_MOD([_md5], [test "$with_builtin_md5" = yes])
+PY_STDLIB_MOD([_sha1], [test "$with_builtin_sha1" = yes])
+PY_STDLIB_MOD([_sha256], [test "$with_builtin_sha256" = yes])
+PY_STDLIB_MOD([_sha512], [test "$with_builtin_sha512" = yes])
+PY_STDLIB_MOD([_sha3], [test "$with_builtin_sha3" = yes])
+PY_STDLIB_MOD([_blake2], [test "$with_builtin_blake2" = yes])
+
 PY_STDLIB_MOD([_decimal], [], [], [$LIBMPDEC_CFLAGS], [$LIBMPDEC_LDFLAGS])
 PY_STDLIB_MOD([_sqlite3],
   [test "$have_sqlite3" = "yes"],

diff --git a/setup.py b/setup.py
index 0b7e7ab0a306132b383b366d13fcdbdacb343ab1..3e3075d8d9ac620753d939dbac1838223a0e3c88 100644 (file)
--- a/setup.py
+++ b/setup.py
@@ -2034,53 +2034,19 @@ class PyBuildExt(build_ext):
         # (issue #14693). It's harmless and the object code is tiny
         # (40-50 KiB per module, only loaded when actually used).  Modules can
         # be disabled via the --with-builtin-hashlib-hashes configure flag.
-        supported = {"md5", "sha1", "sha256", "sha512", "sha3", "blake2"}
 
-        configured = sysconfig.get_config_var("PY_BUILTIN_HASHLIB_HASHES")
-        configured = configured.strip('"').lower()
-        configured = {
-            m.strip() for m in configured.split(",")
-        }
-
-        self.disabled_configure.extend(
-            sorted(supported.difference(configured))
-        )
-
-        if "sha256" in configured:
-            self.add(Extension(
-                '_sha256', ['sha256module.c']
-            ))
-
-        if "sha512" in configured:
-            self.add(Extension(
-                '_sha512', ['sha512module.c'],
-            ))
-
-        if "md5" in configured:
-            self.add(Extension(
-                '_md5', ['md5module.c'],
-            ))
-
-        if "sha1" in configured:
-            self.add(Extension(
-                '_sha1', ['sha1module.c'],
-            ))
-
-        if "blake2" in configured:
-            self.add(Extension(
-                '_blake2',
-                [
-                    '_blake2/blake2module.c',
-                    '_blake2/blake2b_impl.c',
-                    '_blake2/blake2s_impl.c'
-                ]
-            ))
-
-        if "sha3" in configured:
-            self.add(Extension(
-                '_sha3',
-                ['_sha3/sha3module.c'],
-            ))
+        self.addext(Extension('_md5', ['md5module.c']))
+        self.addext(Extension('_sha1', ['sha1module.c']))
+        self.addext(Extension('_sha256', ['sha256module.c']))
+        self.addext(Extension('_sha512', ['sha512module.c']))
+        self.addext(Extension('_sha3', ['_sha3/sha3module.c']))
+        self.addext(Extension('_blake2',
+            [
+                '_blake2/blake2module.c',
+                '_blake2/blake2b_impl.c',
+                '_blake2/blake2s_impl.c'
+            ]
+        ))
 
     def detect_nis(self):
         if MS_WINDOWS or CYGWIN or HOST_PLATFORM == 'qnx6':