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-rw-r--r--Misc/NEWS.d/next/Build/2021-10-22-14-45-40.bpo-45570.61gM2A.rst1
-rw-r--r--Modules/Setup4
-rw-r--r--Modules/expat/expat_config.h4
-rw-r--r--PCbuild/_elementtree.vcxproj2
-rw-r--r--PCbuild/pyexpat.vcxproj2
-rw-r--r--setup.py10
6 files changed, 9 insertions, 14 deletions
diff --git a/Misc/NEWS.d/next/Build/2021-10-22-14-45-40.bpo-45570.61gM2A.rst b/Misc/NEWS.d/next/Build/2021-10-22-14-45-40.bpo-45570.61gM2A.rst
new file mode 100644
index 0000000..7de50f9
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2021-10-22-14-45-40.bpo-45570.61gM2A.rst
@@ -0,0 +1 @@
+:mod:`pyexpat` and :mod:`_elementtree` no longer define obsolete macros ``HAVE_EXPAT_CONFIG_H`` and ``USE_PYEXPAT_CAPI``. ``XML_POOR_ENTROPY`` is now defined in ``expat_config.h``.
diff --git a/Modules/Setup b/Modules/Setup
index a5b1a7b..d06d733 100644
--- a/Modules/Setup
+++ b/Modules/Setup
@@ -149,7 +149,7 @@ time timemodule.c
#_contextvars _contextvarsmodule.c
#_csv _csv.c
#_datetime _datetimemodule.c
-#_elementtree -DHAVE_EXPAT_CONFIG_H -DUSE_PYEXPAT_CAPI -I$(srcdir)/Modules/expat _elementtree.c
+#_elementtree -I$(srcdir)/Modules/expat _elementtree.c
#_heapq _heapqmodule.c
#_json _json.c
#_lsprof _lsprof.c rotatingtree.c
@@ -173,7 +173,7 @@ time timemodule.c
#binascii binascii.c
#cmath cmathmodule.c _math.c # -lm
#math mathmodule.c _math.c # -lm
-#pyexpat -DHAVE_EXPAT_CONFIG_H -DXML_POOR_ENTROPY -DUSE_PYEXPAT_CAPI -I$(srcdir)/Modules/expat expat/xmlparse.c expat/xmlrole.c expat/xmltok.c pyexpat.c
+#pyexpat -I$(srcdir)/Modules/expat expat/xmlparse.c expat/xmlrole.c expat/xmltok.c pyexpat.c
#unicodedata unicodedata.c
# Modules with some UNIX dependencies -- on by default:
diff --git a/Modules/expat/expat_config.h b/Modules/expat/expat_config.h
index afbedd0..6671f7b 100644
--- a/Modules/expat/expat_config.h
+++ b/Modules/expat/expat_config.h
@@ -18,4 +18,8 @@
#define XML_DTD 1
#define XML_CONTEXT_BYTES 1024
+// bpo-30947: Python uses best available entropy sources to
+// call XML_SetHashSalt(), expat entropy sources are not needed
+#define XML_POOR_ENTROPY 1
+
#endif /* EXPAT_CONFIG_H */
diff --git a/PCbuild/_elementtree.vcxproj b/PCbuild/_elementtree.vcxproj
index 4a125b2..8da5244 100644
--- a/PCbuild/_elementtree.vcxproj
+++ b/PCbuild/_elementtree.vcxproj
@@ -94,7 +94,7 @@
<ItemDefinitionGroup>
<ClCompile>
<AdditionalIncludeDirectories>..\Modules\expat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
- <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;USE_PYEXPAT_CAPI;XML_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+ <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;XML_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile>
</ItemDefinitionGroup>
<ItemGroup>
diff --git a/PCbuild/pyexpat.vcxproj b/PCbuild/pyexpat.vcxproj
index b2d9f5d..001f8af 100644
--- a/PCbuild/pyexpat.vcxproj
+++ b/PCbuild/pyexpat.vcxproj
@@ -91,7 +91,7 @@
<ItemDefinitionGroup>
<ClCompile>
<AdditionalIncludeDirectories>$(PySourcePath)Modules\expat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
- <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;PYEXPAT_EXPORTS;HAVE_EXPAT_H;XML_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+ <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;PYEXPAT_EXPORTS;XML_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile>
</ItemDefinitionGroup>
<ItemGroup>
diff --git a/setup.py b/setup.py
index 03dce63..4bef3cb 100644
--- a/setup.py
+++ b/setup.py
@@ -1748,19 +1748,12 @@ class PyBuildExt(build_ext):
#
if '--with-system-expat' in sysconfig.get_config_var("CONFIG_ARGS"):
expat_inc = []
- define_macros = []
extra_compile_args = []
expat_lib = ['expat']
expat_sources = []
expat_depends = []
else:
expat_inc = [os.path.join(self.srcdir, 'Modules', 'expat')]
- define_macros = [
- ('HAVE_EXPAT_CONFIG_H', '1'),
- # bpo-30947: Python uses best available entropy sources to
- # call XML_SetHashSalt(), expat entropy sources are not needed
- ('XML_POOR_ENTROPY', '1'),
- ]
extra_compile_args = []
# bpo-44394: libexpat uses isnan() of math.h and needs linkage
# against the libm
@@ -1788,7 +1781,6 @@ class PyBuildExt(build_ext):
extra_compile_args.append('-Wno-unreachable-code')
self.add(Extension('pyexpat',
- define_macros=define_macros,
extra_compile_args=extra_compile_args,
include_dirs=expat_inc,
libraries=expat_lib,
@@ -1799,9 +1791,7 @@ class PyBuildExt(build_ext):
# uses expat (via the CAPI hook in pyexpat).
if os.path.isfile(os.path.join(self.srcdir, 'Modules', '_elementtree.c')):
- define_macros.append(('USE_PYEXPAT_CAPI', None))
self.add(Extension('_elementtree',
- define_macros=define_macros,
include_dirs=expat_inc,
libraries=expat_lib,
sources=['_elementtree.c'],