(merge from 3.5) Issue #26662: Set PYTHON_FOR_GEN in configure

as the Python program to be used for file generation during the build.

1 files changed, 52 insertions, 117 deletions

diff --git a/configure b/configure
index ceb042f..0504a64 100755
--- a/configure
+++ b/configure
@@ -680,9 +680,6 @@ MKDIR_P
 INSTALL_DATA
 INSTALL_SCRIPT
 INSTALL_PROGRAM
-OPCODEHGEN
-PYTHON
-ASDLGEN
 ac_ct_READELF
 READELF
 ARFLAGS
@@ -744,6 +741,7 @@ CONFIG_ARGS
 SOVERSION
 VERSION
 PYTHON_FOR_BUILD
+PYTHON_FOR_GEN
 host_os
 host_vendor
 host_cpu
@@ -777,7 +775,6 @@ infodir
 docdir
 oldincludedir
 includedir
-runstatedir
 localstatedir
 sharedstatedir
 sysconfdir
@@ -888,7 +885,6 @@ datadir='${datarootdir}'
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
-runstatedir='${localstatedir}/run'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
 docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
@@ -1141,15 +1137,6 @@ do
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
-  -runstatedir | --runstatedir | --runstatedi | --runstated \
-  | --runstate | --runstat | --runsta | --runst | --runs \
-  | --run | --ru | --r)
-    ac_prev=runstatedir ;;
-  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
-  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
-  | --run=* | --ru=* | --r=*)
-    runstatedir=$ac_optarg ;;
-
   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@@ -1287,7 +1274,7 @@ fi
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-		libdir localedir mandir runstatedir
+		libdir localedir mandir
 do
   eval ac_val=\$$ac_var
   # Remove trailing slashes.
@@ -1440,7 +1427,6 @@ Fine tuning of the installation directories:
   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
-  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
   --libdir=DIR            object code libraries [EPREFIX/lib]
   --includedir=DIR        C header files [PREFIX/include]
   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
@@ -2996,6 +2982,56 @@ case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
 # pybuilddir.txt will be created by --generate-posix-vars in the Makefile
 rm -f pybuilddir.txt
 
+for ac_prog in python$PACKAGE_VERSION python3 python
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_PYTHON_FOR_GEN+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$PYTHON_FOR_GEN"; then
+  ac_cv_prog_PYTHON_FOR_GEN="$PYTHON_FOR_GEN" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_PYTHON_FOR_GEN="$ac_prog"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+PYTHON_FOR_GEN=$ac_cv_prog_PYTHON_FOR_GEN
+if test -n "$PYTHON_FOR_GEN"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PYTHON_FOR_GEN" >&5
+$as_echo "$PYTHON_FOR_GEN" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$PYTHON_FOR_GEN" && break
+done
+test -n "$PYTHON_FOR_GEN" || PYTHON_FOR_GEN="not-found"
+
+if test "$PYTHON_FOR_GEN" = not-found; then
+    PYTHON_FOR_GEN='@echo "Cannot generate $@, python not found !" && \
+    echo "To skip re-generation of $@ run <make touch> or <make -t $@>." && \
+    echo "Otherwise, set python in PATH and run configure or run <make PYTHON_FOR_GEN=python>." && false &&'
+fi
+
+
 if test "$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; }
@@ -6329,107 +6365,6 @@ fi
 
 
 
-for ac_prog in python$PACKAGE_VERSION python3 python
-do
-  # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_PYTHON+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$PYTHON"; then
-  ac_cv_prog_PYTHON="$PYTHON" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_PYTHON="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-PYTHON=$ac_cv_prog_PYTHON
-if test -n "$PYTHON"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PYTHON" >&5
-$as_echo "$PYTHON" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-  test -n "$PYTHON" && break
-done
-test -n "$PYTHON" || PYTHON="not-found"
-
-if test "$PYTHON" = not-found; then
-    ASDLGEN="@echo python: $PYTHON! cannot run \$(srcdir)/Parser/asdl_c.py #"
-else
-    ASDLGEN="$PYTHON"
-fi
-
-
-for ac_prog in python$PACKAGE_VERSION python3 python
-do
-  # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_PYTHON+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$PYTHON"; then
-  ac_cv_prog_PYTHON="$PYTHON" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_PYTHON="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-PYTHON=$ac_cv_prog_PYTHON
-if test -n "$PYTHON"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PYTHON" >&5
-$as_echo "$PYTHON" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-  test -n "$PYTHON" && break
-done
-test -n "$PYTHON" || PYTHON="not-found"
-
-if test "$PYTHON" = not-found; then
-    OPCODEHGEN="@echo python: $PYTHON! cannot run Tools/scripts/generate_opcode_h.py"
-else
-    OPCODEHGEN="$PYTHON"
-fi
-
-
-
 case $MACHDEP in
 bsdos*|hp*|HP*)
 	# install -d does not work on BSDI or HP-UX