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bpo-89886: Clean up MACHDEP and _PYTHON_HOST_PLATFORM checks by erlend-aasland · Pull Request #30026 · python/cpython · GitHub

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bpo-89886: Clean up MACHDEP and _PYTHON_HOST_PLATFORM checks #30026

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bpo-89886: Clean up MACHDEP and _PYTHON_HOST_PLATFORM checks #30026

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6e60f4c
bpo-45723: Clean up MACHDEP check
Dec 10, 2021
ac156c8
bpo-45723: Clean up _PYTHON_HOST_PLATFORM check
Dec 10, 2021
7419e1c
Fix error message
Dec 10, 2021
e675a06
Normalize capitalization in error message
Dec 10, 2021
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172 changes: 89 additions & 83 deletions configure
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Original file line number Diff line number Diff line change
Expand Up @@ -3770,91 +3770,97 @@ _ACEOF

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking MACHDEP" >&5
$as_echo_n "checking MACHDEP... " >&6; }
if test -z "$MACHDEP"
then
# avoid using uname for cross builds
if test "$cross_compiling" = yes; then
# ac_sys_system and ac_sys_release are used for setting
# a lot of different things including 'define_xopen_source'
# in the case statement below.
case "$host" in
*-*-linux-android*)
ac_sys_system=Linux-android
;;
*-*-linux*)
ac_sys_system=Linux
;;
*-*-cygwin*)
ac_sys_system=Cygwin
;;
*-*-vxworks*)
ac_sys_system=VxWorks
;;
*-*-emscripten)
ac_sys_system=Emscripten
;;
*-*-wasi)
ac_sys_system=WASI
;;
*)
# for now, limit cross builds to known configurations
MACHDEP="unknown"
as_fn_error $? "cross build not supported for $host" "$LINENO" 5
esac
ac_sys_release=
else
ac_sys_system=`uname -s`
if test "$ac_sys_system" = "AIX" \
-o "$ac_sys_system" = "UnixWare" -o "$ac_sys_system" = "OpenUNIX"; then
ac_sys_release=`uname -v`
else
ac_sys_release=`uname -r`
fi
fi
ac_md_system=`echo $ac_sys_system |
tr -d '/ ' | tr '[A-Z]' '[a-z]'`
ac_md_release=`echo $ac_sys_release |
tr -d '/ ' | sed 's/^[A-Z]\.//' | sed 's/\..*//'`
MACHDEP="$ac_md_system$ac_md_release"

case $MACHDEP in
aix*) MACHDEP="aix";;
linux*) MACHDEP="linux";;
cygwin*) MACHDEP="cygwin";;
darwin*) MACHDEP="darwin";;
'') MACHDEP="unknown";;
esac
if ${MACHDEP+:} false; then :

else

if test "x$cross_compiling" = xyes; then :

case $host in #(
*-*-linux-android*) :
ac_sys_system=Linux-android ;; #(
*-*-linux*) :
ac_sys_system=Linux ;; #(
*-*-cygwin*) :
ac_sys_system=Cygwin ;; #(
*-*-vxworks*) :
ac_sys_system=VxWorks ;; #(
*-*-emscripten) :
ac_sys_system=Emscripten ;; #(
*-*-wasi) :
ac_sys_system=WASI ;; #(
*) :
MACHDEP="unknown"
as_fn_error $? "cross build not supported for $host" "$LINENO" 5

;;
esac
ac_sys_release=

else

ac_sys_system=$(uname -s)
case $ac_sys_system in #(
AIX|UnixWare|OpenUNIX) :
ac_sys_release=$(uname -v) ;; #(
*) :
ac_sys_release=$(uname -r)
;;
esac

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: \"$MACHDEP\"" >&5
$as_echo "\"$MACHDEP\"" >&6; }
ac_md_system=$(echo $ac_sys_system | tr -d '/ ' | tr '[A-Z]' '[a-z]')
ac_md_release=$(echo $ac_sys_release | tr -d '/ ' | sed 's/^[A-Z]\.//' | sed 's/\..*//')
MACHDEP="$ac_md_system$ac_md_release"

case $MACHDEP in #(
aix*) :
MACHDEP="aix" ;; #(
linux*) :
MACHDEP="linux" ;; #(
cygwin*) :
MACHDEP="cygwin" ;; #(
darwin*) :
MACHDEP="darwin" ;; #(
'') :
MACHDEP="unknown"
;; #(
*) :
;;
esac

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $MACHDEP" >&5
$as_echo "$MACHDEP" >&6; }


if test "x$cross_compiling" = xyes; then :

case $host in #(
*-*-linux*) :

case $host_cpu in #(
arm*) :
_host_cpu=arm ;; #(
*) :
_host_cpu=$host_cpu
;;
esac
;; #(
*-*-cygwin*) :
_host_cpu= ;; #(
*-*-vxworks*) :
_host_cpu=$host_cpu ;; #(
wasm32-*-*|wasm64-*-*) :
_host_cpu=$host_cpu ;; #(
*) :
MACHDEP="unknown"
as_fn_error $? "cross build not supported for $host" "$LINENO" 5

;;
esac
_PYTHON_HOST_PLATFORM="$MACHDEP${_host_cpu:+-$_host_cpu}"

if test "$cross_compiling" = yes; then
case "$host" in
*-*-linux*)
case "$host_cpu" in
arm*)
_host_cpu=arm
;;
*)
_host_cpu=$host_cpu
esac
;;
*-*-cygwin*)
_host_cpu=
;;
*-*-vxworks*)
_host_cpu=$host_cpu
;;
wasm32-*-* | wasm64-*-*)
_host_cpu=$host_cpu
;;
*)
# for now, limit cross builds to known configurations
MACHDEP="unknown"
as_fn_error $? "cross build not supported for $host" "$LINENO" 5
esac
_PYTHON_HOST_PLATFORM="$MACHDEP${_host_cpu:+-$_host_cpu}"
fi

# Some systems cannot stand _XOPEN_SOURCE being defined at all; they
Expand Down Expand Up @@ -6169,7 +6175,7 @@ if $CPP $CPPFLAGS conftest.c >conftest.out 2>/dev/null; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ANDROID_API_LEVEL" >&5
$as_echo "$ANDROID_API_LEVEL" >&6; }
if test -z "$ANDROID_API_LEVEL"; then
as_fn_error $? "Fatal: you must define __ANDROID_API__" "$LINENO" 5
as_fn_error $? "you must define __ANDROID_API__" "$LINENO" 5
fi

cat >>confdefs.h <<_ACEOF
Expand Down
144 changes: 59 additions & 85 deletions configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -487,92 +487,66 @@ AC_DEFINE_UNQUOTED(_PYTHONFRAMEWORK, "${PYTHONFRAMEWORK}", [framework name])

# Set name for machine-dependent library files
AC_ARG_VAR([MACHDEP], [name for machine-dependent library files])
AC_MSG_CHECKING(MACHDEP)
if test -z "$MACHDEP"
then
# avoid using uname for cross builds
if test "$cross_compiling" = yes; then
# ac_sys_system and ac_sys_release are used for setting
# a lot of different things including 'define_xopen_source'
# in the case statement below.
case "$host" in
*-*-linux-android*)
ac_sys_system=Linux-android
;;
*-*-linux*)
ac_sys_system=Linux
;;
*-*-cygwin*)
ac_sys_system=Cygwin
;;
*-*-vxworks*)
ac_sys_system=VxWorks
;;
*-*-emscripten)
ac_sys_system=Emscripten
;;
*-*-wasi)
ac_sys_system=WASI
;;
*)
# for now, limit cross builds to known configurations
MACHDEP="unknown"
AC_MSG_ERROR([cross build not supported for $host])
esac
ac_sys_release=
else
ac_sys_system=`uname -s`
if test "$ac_sys_system" = "AIX" \
-o "$ac_sys_system" = "UnixWare" -o "$ac_sys_system" = "OpenUNIX"; then
ac_sys_release=`uname -v`
else
ac_sys_release=`uname -r`
fi
fi
ac_md_system=`echo $ac_sys_system |
tr -d '[/ ]' | tr '[[A-Z]]' '[[a-z]]'`
ac_md_release=`echo $ac_sys_release |
tr -d '[/ ]' | sed 's/^[[A-Z]]\.//' | sed 's/\..*//'`
MACHDEP="$ac_md_system$ac_md_release"

case $MACHDEP in
aix*) MACHDEP="aix";;
linux*) MACHDEP="linux";;
cygwin*) MACHDEP="cygwin";;
darwin*) MACHDEP="darwin";;
'') MACHDEP="unknown";;
esac
fi
AC_MSG_RESULT("$MACHDEP")
AC_MSG_CHECKING([MACHDEP])
AS_VAR_SET_IF([MACHDEP], [], [
dnl Avoid using uname for cross builds.
AS_VAR_IF([cross_compiling], [yes], [
dnl ac_sys_system and ac_sys_release are used for setting
dnl a lot of different things including 'define_xopen_source'
dnl in the case statement below.
AS_CASE([$host],
[*-*-linux-android*], [ac_sys_system=Linux-android],
[*-*-linux*], [ac_sys_system=Linux],
[*-*-cygwin*], [ac_sys_system=Cygwin],
[*-*-vxworks*], [ac_sys_system=VxWorks],
[*-*-emscripten], [ac_sys_system=Emscripten],
[*-*-wasi], [ac_sys_system=WASI],
[dnl For now, limit cross builds to known configurations.
MACHDEP="unknown"
AC_MSG_ERROR([cross build not supported for $host])
]
)
ac_sys_release=
], [
ac_sys_system=$(uname -s)
AS_CASE([$ac_sys_system],
[AIX|UnixWare|OpenUNIX], [ac_sys_release=$(uname -v)],
[ac_sys_release=$(uname -r)]
)
])
ac_md_system=$(echo $ac_sys_system | tr -d '[/ ]' | tr '[[A-Z]]' '[[a-z]]')
ac_md_release=$(echo $ac_sys_release | tr -d '[/ ]' | sed 's/^[[A-Z]]\.//' | sed 's/\..*//')
MACHDEP="$ac_md_system$ac_md_release"

AS_CASE([$MACHDEP],
[aix*], [MACHDEP="aix"],
[linux*], [MACHDEP="linux"],
[cygwin*], [MACHDEP="cygwin"],
[darwin*], [MACHDEP="darwin"],
[''], [MACHDEP="unknown"]
)
])
AC_MSG_RESULT([$MACHDEP])

AC_SUBST(_PYTHON_HOST_PLATFORM)
if test "$cross_compiling" = yes; then
case "$host" in
*-*-linux*)
case "$host_cpu" in
arm*)
_host_cpu=arm
;;
*)
_host_cpu=$host_cpu
esac
;;
*-*-cygwin*)
_host_cpu=
;;
*-*-vxworks*)
_host_cpu=$host_cpu
;;
wasm32-*-* | wasm64-*-*)
_host_cpu=$host_cpu
;;
*)
# for now, limit cross builds to known configurations
MACHDEP="unknown"
AC_MSG_ERROR([cross build not supported for $host])
esac
_PYTHON_HOST_PLATFORM="$MACHDEP${_host_cpu:+-$_host_cpu}"
fi
AS_VAR_IF([cross_compiling], [yes], [
AS_CASE([$host],
[*-*-linux*], [
AS_CASE([$host_cpu],
[arm*], [_host_cpu=arm],
[_host_cpu=$host_cpu]
)
],
[*-*-cygwin*], [_host_cpu=],
[*-*-vxworks*], [_host_cpu=$host_cpu],
[wasm32-*-*|wasm64-*-*], [_host_cpu=$host_cpu],
[dnl For now, limit cross builds to known configurations.
MACHDEP="unknown"
AC_MSG_ERROR([cross build not supported for $host])
]
)
_PYTHON_HOST_PLATFORM="$MACHDEP${_host_cpu:+-$_host_cpu}"
])

# Some systems cannot stand _XOPEN_SOURCE being defined at all; they
# disable features if it is defined, without any means to access these
Expand Down Expand Up @@ -1037,7 +1011,7 @@ if $CPP $CPPFLAGS conftest.c >conftest.out 2>/dev/null; then
_arm_arch=`sed -n -e '/__ARM_ARCH/d' -e 's/^arm_arch = //p' conftest.out`
AC_MSG_RESULT([$ANDROID_API_LEVEL])
if test -z "$ANDROID_API_LEVEL"; then
AC_MSG_ERROR([Fatal: you must define __ANDROID_API__])
AC_MSG_ERROR([you must define __ANDROID_API__])
fi
AC_DEFINE_UNQUOTED(ANDROID_API_LEVEL, $ANDROID_API_LEVEL, [The Android API level.])

Expand Down
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