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bpo-44062: Fix PYTHON_FOR_BUILD interpreter lookup for cross-compile … #25951

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bpo-44062: Fix PYTHON_FOR_BUILD interpreter lookup for cross-compile … #25951

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bpo-44062: Fix PYTHON_FOR_BUILD interpreter lookup for cross-compile …
vfazio May 6, 2021
3bffb0b
📜🤖 Added by blurb_it.
blurb-it[bot] Aug 9, 2021
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bpo-44062: Fix PYTHON_FOR_BUILD interpreter lookup for cross-compile … 
…builds

Previously, when running configure in a cross-compile scenario, the
PYTHON_FOR_BUILD interpreter could be set to python even if no python
is availble in PATH.

Now, configure will properly set PYTHON_FOR_BUILD based on what is
available in PATH or fail.
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@vfazio
vfazio committed Jun 10, 2021
commit 872ef8dbbe797b64e6ce8b1b2a2ac53bee72c5f6
3 changes: 1 addition & 2 deletions configure
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Original file line number Diff line number Diff line change
Expand Up @@ -2997,12 +2997,11 @@ if test "$cross_compiling" = yes; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for python interpreter for cross build" >&5
$as_echo_n "checking for python interpreter for cross build... " >&6; }
if test -z "$PYTHON_FOR_BUILD"; then
for interp in python$PACKAGE_VERSION python3 python; do
for interp in python$PACKAGE_VERSION python3 python ''; do
which $interp >/dev/null 2>&1 || continue
if $interp -c "import sys;sys.exit(not '.'.join(str(n) for n in sys.version_info[:2]) == '$PACKAGE_VERSION')"; then
break
fi
interp=
done
if test x$interp = x; then
as_fn_error $? "python$PACKAGE_VERSION interpreter not found" "$LINENO" 5
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3 changes: 1 addition & 2 deletions configure.ac
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Expand Up @@ -71,12 +71,11 @@ AC_SUBST(PYTHON_FOR_REGEN)
if test "$cross_compiling" = yes; then
AC_MSG_CHECKING([for python interpreter for cross build])
if test -z "$PYTHON_FOR_BUILD"; then
for interp in python$PACKAGE_VERSION python3 python; do
for interp in python$PACKAGE_VERSION python3 python ''; do
which $interp >/dev/null 2>&1 || continue
if $interp -c "import sys;sys.exit(not '.'.join(str(n) for n in sys.version_info@<:@:2@:>@) == '$PACKAGE_VERSION')"; then
break
fi
interp=
done
if test x$interp = x; then
AC_MSG_ERROR([python$PACKAGE_VERSION interpreter not found])
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