[PATCH] Fix build without Python

Don't define HAVE_PYTHON35 when PYTHON_LIBS is empty.

Also, don't build Python dependent code when HAVE_PYTHON35 is not
defined.

This fixes build failures like:

Makefile:1616: recipe for target 'python-pkg/dist/lirc-0.10.0.tar.gz' failed
make[3]: *** [python-pkg/dist/lirc-0.10.0.tar.gz] Error 1
python-pkg/lirc/_client.c:1:20: fatal error: Python.h: No such file or directory
 #include <Python.h>
                    ^
---
 Makefile.am  | 2 ++
 configure.ac | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Makefile.am b/Makefile.am
index d1f118776a20..2b44f72f70ec 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -106,6 +106,7 @@ dist_py_pkg_doc_DATA    = python-pkg/doc/Doxyfile \
 
 libpython               = $(libdir)/python$(PYTHON_VERSION)
 pydir                   = $(libpython)/site-packages/lirc
+if HAVE_PYTHON35
 py_LTLIBRARIES          = python-pkg/lib/_client.la
 python_pkg_lib__client_la_SOURCES = \
                           python-pkg/lirc/_client.c
@@ -118,6 +119,7 @@ python_pkg_lib__client_la_LDFLAGS  = \
                           $(PYTHON_LIBS)
 python_pkg_lib__client_la_LIBADD = \
                           lib/liblirc_client.la
+endif
 
 pylint: .phony
 	$(MAKE) -C tools pylint
diff --git a/configure.ac b/configure.ac
index 4882931689ff..dcf9703c3530 100644
--- a/configure.ac
+++ b/configure.ac
@@ -51,7 +51,8 @@ test -z "$PYTHON_LIBS" && \
 test -n "$PYTHON_LIBS" || \
     AC_MSG_WARN([No python package found (missing devel package?)])
 python_version_nodots=$(echo $PYTHON_VERSION | tr -d '.')
-AM_CONDITIONAL(HAVE_PYTHON35, [test $python_version_nodots -ge 35])
+AM_CONDITIONAL(HAVE_PYTHON35, [test -n "$PYTHON_LIBS" && \
+			       test $python_version_nodots -ge 35])
 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
 
 
-- 
2.14.1


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