87 lines
2.9 KiB
Diff
87 lines
2.9 KiB
Diff
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diff --git a/Makefile.pre.in b/Makefile.pre.in
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--- a/Makefile.pre.in
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+++ b/Makefile.pre.in
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@@ -71,12 +71,17 @@
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BASECFLAGS= @BASECFLAGS@
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BASECPPFLAGS= @BASECPPFLAGS@
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CONFIGURE_CFLAGS= @CFLAGS@
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+# CFLAGS_NODIST is used for building the interpreter and stdlib C extensions.
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+# Use it when a compiler flag should _not_ be part of the distutils CFLAGS
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+# once Python is installed (Issue #21121).
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+CONFIGURE_CFLAGS_NODIST=@CFLAGS_NODIST@
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CONFIGURE_CPPFLAGS= @CPPFLAGS@
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CONFIGURE_LDFLAGS= @LDFLAGS@
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# Avoid assigning CFLAGS, LDFLAGS, etc. so users can use them on the
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# command line to append to these values without stomping the pre-set
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# values.
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PY_CFLAGS= $(BASECFLAGS) $(OPT) $(CONFIGURE_CFLAGS) $(CFLAGS) $(EXTRA_CFLAGS)
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+PY_CFLAGS_NODIST=$(CONFIGURE_CFLAGS_NODIST) $(CFLAGS_NODIST)
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# Both CPPFLAGS and LDFLAGS need to contain the shell's value for setup.py to
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# be able to build extension modules using the directories specified in the
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# environment variables
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@@ -91,7 +96,7 @@
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# Extra C flags added for building the interpreter object files.
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CFLAGSFORSHARED=@CFLAGSFORSHARED@
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# C flags used for building the interpreter object files
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-PY_CORE_CFLAGS= $(PY_CFLAGS) $(PY_CPPFLAGS) $(CFLAGSFORSHARED) -DPy_BUILD_CORE
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+PY_CORE_CFLAGS= $(PY_CFLAGS) $(PY_CFLAGS_NODIST) $(PY_CPPFLAGS) $(CFLAGSFORSHARED) -DPy_BUILD_CORE
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# Machine-dependent subdirectories
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diff --git a/configure b/configure
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--- a/configure
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+++ b/configure
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@@ -662,6 +662,7 @@
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LIBTOOL_CRUFT
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OTHER_LIBTOOL_OPT
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UNIVERSAL_ARCH_FLAGS
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+CFLAGS_NODIST
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BASECFLAGS
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OPT
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ABIFLAGS
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@@ -6504,7 +6505,7 @@
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if test $ac_cv_declaration_after_statement_warning = yes
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then
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- BASECFLAGS="$BASECFLAGS -Werror=declaration-after-statement"
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+ CFLAGS_NODIST="$CFLAGS_NODIST -Werror=declaration-after-statement"
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fi
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# if using gcc on alpha, use -mieee to get (near) full IEEE 754
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diff --git a/configure.ac b/configure.ac
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--- a/configure.ac
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+++ b/configure.ac
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@@ -1147,6 +1147,7 @@
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fi
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AC_SUBST(BASECFLAGS)
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+AC_SUBST(CFLAGS_NODIST)
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# The -arch flags for universal builds on OSX
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UNIVERSAL_ARCH_FLAGS=
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@@ -1231,7 +1232,7 @@
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if test $ac_cv_declaration_after_statement_warning = yes
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then
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- BASECFLAGS="$BASECFLAGS -Werror=declaration-after-statement"
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+ CFLAGS_NODIST="$CFLAGS_NODIST -Werror=declaration-after-statement"
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fi
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# if using gcc on alpha, use -mieee to get (near) full IEEE 754
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diff --git a/setup.py b/setup.py
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--- a/setup.py
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+++ b/setup.py
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@@ -19,6 +19,12 @@
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cross_compiling = "_PYTHON_HOST_PLATFORM" in os.environ
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+# Add special CFLAGS reserved for building the interpreter and the stdlib
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+# modules (Issue #21121).
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+cflags = sysconfig.get_config_var('CFLAGS')
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+py_cflags_nodist = sysconfig.get_config_var('PY_CFLAGS_NODIST')
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+sysconfig.get_config_vars()['CFLAGS'] = cflags + ' ' + py_cflags_nodist
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+
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def get_platform():
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# cross build
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if "_PYTHON_HOST_PLATFORM" in os.environ:
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