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configure.ac: Add a --without-python option. 

Being able to be explicit about Python support (in addition to the
default of auto-detecting it) and acting upon the result, specifying
it as an option gains us more control about both dependencies and
the resulting build.

Furthermore, relying purely on auto-detection can lead to problems for
source-based distros. E. g. systemd being built before *both* 32-bit &
64-bit ABIs are installed will lead to build failures as systemd's
build system will pick up either 32-/64-bit Python, conclude both are
available and fail if that's not the case.
This commit is contained in:
Wulf C. Krueger 2012-10-06 11:37:44 +02:00 committed by Lennart Poettering
parent fd59a381e3
commit 78fbaacac0
1 changed files with 18 additions and 11 deletions
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29
configure.ac
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@ -92,19 +92,26 @@ fi
# we use python to build the man page index, and for systemd-python
have_python=no
have_python_devel=no
AM_PATH_PYTHON(,, [:])
if test "$PYTHON" != : ; then
have_python=yes
AC_PATH_PROG([PYTHON_CONFIG], python-config)
if test -n "$PYTHON_CONFIG" ; then
have_python_devel=yes
PYTHON_CFLAGS="`$PYTHON_CONFIG --cflags`"
PYTHON_LIBS="`$PYTHON_CONFIG --libs`"
AC_SUBST(PYTHON_CFLAGS)
AC_SUBST(PYTHON_LIBS)
AC_ARG_WITH([python],
[AS_HELP_STRING([--without-python], [Disable building the man page index and systemd-python (default: test)])])
AS_IF([test "x$with_python" != "xno"], [
AM_PATH_PYTHON(,, [:])
if test "$PYTHON" != : ; then
have_python=yes
AC_PATH_PROG([PYTHON_CONFIG], python-config)
if test -n "$PYTHON_CONFIG" ; then
have_python_devel=yes
PYTHON_CFLAGS="`$PYTHON_CONFIG --cflags`"
PYTHON_LIBS="`$PYTHON_CONFIG --libs`"
AC_SUBST(PYTHON_CFLAGS)
AC_SUBST(PYTHON_LIBS)
fi
fi
fi
])
AM_CONDITIONAL([HAVE_PYTHON], [test "$have_python" = "yes"])
AM_CONDITIONAL([HAVE_PYTHON_DEVEL], [test "$have_python_devel" = "yes"])