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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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bpo-45723: Clean up MACHDEP check
  • Loading branch information
Erlend E. Aasland
Erlend E. Aasland committed Dec 10, 2021
commit 6e60f4cd96b45ed2758fb3525ab6940ddecfc53a
117 changes: 61 additions & 56 deletions configure
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Original file line number Diff line number Diff line change
Expand Up @@ -3770,63 +3770,68 @@ _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
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; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $MACHDEP" >&5
$as_echo "$MACHDEP" >&6; }


if test "$cross_compiling" = yes; then
Expand Down
97 changes: 40 additions & 57 deletions configure.ac
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Expand Up @@ -487,63 +487,46 @@ AC_DEFINE_UNQUOTED(_PYTHONFRAMEWORK, "${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
Expand Down