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gh-93491: Add support tier detection to configure (GH-93492)

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Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Steve Dower <steve.dower@microsoft.com>
Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@protonmail.com>
This commit is contained in:
Christian Heimes 2022-06-10 15:25:33 +02:00 • committed by GitHub
parent a87c9b538f
commit 3124d9a5aa
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5 changed files with 196 additions and 1 deletions
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106
configure generated vendored
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@ -5213,6 +5213,39 @@ $as_echo "$ac_cv_path_EGREP" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for CC compiler name" >&5
$as_echo_n "checking for CC compiler name... " >&6; }
if ${ac_cv_cc_name+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<EOF
#if defined(__INTEL_COMPILER) || defined(__ICC)
icc
#elif defined(__ibmxl__) || defined(__xlc__) || defined(__xlC__)
xlc
#elif defined(_MSC_VER)
msvc
#elif defined(__clang__)
clang
#elif defined(__GNUC__)
gcc
#else
# error unknown compiler
#endif
EOF
if $CPP $CPPFLAGS conftest.c >conftest.out 2>/dev/null; then
ac_cv_cc_name=`grep -v '^#' conftest.out | grep -v '^ *$' | tr -d ' '`
else
ac_cv_cc_name="unknown"
fi
rm -f conftest.c conftest.out
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cc_name" >&5
$as_echo "$ac_cv_cc_name" >&6; }
# checks for UNIX variants that set C preprocessor variables
# may set _GNU_SOURCE, __EXTENSIONS__, _POSIX_PTHREAD_SEMANTICS,
# _POSIX_SOURCE, _POSIX_1_SOURCE, and more
@ -6172,6 +6205,66 @@ if test x$MULTIARCH != x; then
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for PEP 11 support tier" >&5
$as_echo_n "checking for PEP 11 support tier... " >&6; }
case $host/$ac_cv_cc_name in #(
x86_64-*-linux-gnu/gcc) :
PY_SUPPORT_TIER=1 ;; #(
x86_64-apple-darwin*/clang) :
PY_SUPPORT_TIER=1 ;; #(
i686-pc-windows-msvc/msvc) :
PY_SUPPORT_TIER=1 ;; #(
x86_64-pc-windows-msvc/msvc) :
PY_SUPPORT_TIER=1 ;; #(
aarch64-apple-darwin*/clang) :
PY_SUPPORT_TIER=2 ;; #(
aarch64-*-linux-gnu/gcc) :
PY_SUPPORT_TIER=2 ;; #(
aarch64-*-linux-gnu/clang) :
PY_SUPPORT_TIER=2 ;; #(
powerpc64le-*-linux-gnu/gcc) :
PY_SUPPORT_TIER=2 ;; #(
x86_64-*-linux-gnu/clang) :
PY_SUPPORT_TIER=2 ;; #(
aarch64-pc-windows-msvc/msvc) :
PY_SUPPORT_TIER=3 ;; #(
armv7l-*-linux-gnueabihf/gcc) :
PY_SUPPORT_TIER=3 ;; #(
powerpc64le-*-linux-gnu/clang) :
PY_SUPPORT_TIER=3 ;; #(
s390x-*-linux-gnu/gcc) :
PY_SUPPORT_TIER=3 ;; #(
x86_64-*-freebsd/clang) :
PY_SUPPORT_TIER=3 ;; #(
*) :
PY_SUPPORT_TIER=0
;;
esac
case $PY_SUPPORT_TIER in #(
1) :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $host/$ac_cv_cc_name has tier 1 (supported)" >&5
$as_echo "$host/$ac_cv_cc_name has tier 1 (supported)" >&6; } ;; #(
2) :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $host/$ac_cv_cc_name has tier 2 (supported)" >&5
$as_echo "$host/$ac_cv_cc_name has tier 2 (supported)" >&6; } ;; #(
3) :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $host/$ac_cv_cc_name has tier 3 (partially supported)" >&5
$as_echo "$host/$ac_cv_cc_name has tier 3 (partially supported)" >&6; } ;; #(
*) :
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $host/$ac_cv_cc_name is not supported" >&5
$as_echo "$as_me: WARNING: $host/$ac_cv_cc_name is not supported" >&2;}
;;
esac
cat >>confdefs.h <<_ACEOF
#define PY_SUPPORT_TIER $PY_SUPPORT_TIER
_ACEOF
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -Wl,--no-as-needed" >&5
$as_echo_n "checking for -Wl,--no-as-needed... " >&6; }
if ${ac_cv_wl_no_as_needed+:} false; then :
@ -26296,3 +26389,16 @@ If you want a release build with all stable optimizations active (PGO, etc),
please run ./configure --enable-optimizations
" >&6;}
fi
if test "x$PY_SUPPORT_TIER" = x0; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING:
Platform \"$host\" with compiler \"$ac_cv_cc_name\" is not supported by the
CPython core team, see https://peps.python.org/pep-0011/ for more information.
" >&5
$as_echo "$as_me: WARNING:
Platform \"$host\" with compiler \"$ac_cv_cc_name\" is not supported by the
CPython core team, see https://peps.python.org/pep-0011/ for more information.
" >&2;}
fi