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build: enforce a minimum Python version

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In case the Python bindings are enabled, enforce a minimum version.
Set this minimum version to 2.7, as it has been de-facto for a while
now.
This commit is contained in:
Pino Toscano
2020-01-09 17:15:20 +01:00
parent 2c4aec6dcf
commit d8cb64dbe7
1 changed files with 5 additions and 0 deletions
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5
m4/guestfs-python.m4
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@@ -19,6 +19,8 @@ dnl Check for Python (optional, for Python bindings).
PYTHON_PREFIX=
PYTHON_VERSION=
PYTHON_INSTALLDIR=
PYTHON_REQ_MAJOR=2
PYTHON_REQ_MINOR=7
AC_ARG_ENABLE([python],
AS_HELP_STRING([--disable-python], [disable Python language bindings]),
@@ -32,6 +34,9 @@ AS_IF([test "x$enable_python" != "xno"],[
PYTHON_VERSION_MAJOR=`$PYTHON -c "import sys; print (sys.version_info@<:@0@:>@)"`
PYTHON_VERSION_MINOR=`$PYTHON -c "import sys; print (sys.version_info@<:@1@:>@)"`
PYTHON_VERSION="$PYTHON_VERSION_MAJOR.$PYTHON_VERSION_MINOR"
AS_IF([test "$PYTHON_VERSION_MAJOR" -lt $PYTHON_REQ_MAJOR || ( test "$PYTHON_VERSION_MAJOR" -eq $PYTHON_REQ_MAJOR && test "$PYTHON_VERSION_MINOR" -lt $PYTHON_REQ_MINOR )],[
AC_MSG_ERROR([found Python $PYTHON_VERSION, while Python $PYTHON_REQ_MAJOR.$PYTHON_REQ_MINOR is required])
])
AC_MSG_RESULT([$PYTHON_VERSION])
# Debian: python-2.7.pc, python-3.2.pc