libvirt-python spec was failing to build

The py2_build_wheel macro was evaluating to a command
that failed to build libvirt-python.

libvirt-python has its own set of CFLAGS so those are
being used.

This also fixes the scenario where a non centos build env
would have been missing the BuildRequires for the wheel command.

Closes-Bug: 1799735
Change-Id: Ib9cf8a120069fa15f1832c925c2ba56c6ee8e971
Signed-off-by: Al Bailey <Al.Bailey@windriver.com>

virt/libvirt-python/centos/build_srpm.data

@@ -1 +1 @@
-TIS_PATCH_VER=2
+TIS_PATCH_VER=3

virt/libvirt-python/centos/meta_patches/0002-Build-python-wheel.patch

@@ -1,14 +1,14 @@
-From 6f9c900059e3065081fccb19bd8c135036df5fe9 Mon Sep 17 00:00:00 2001
+From 8feb14092d9db4aacd907bd8f76d90931f537eda Mon Sep 17 00:00:00 2001
 From: Don Penney <don.penney@windriver.com>
 Date: Wed, 17 Oct 2018 15:25:33 -0400
-Subject: [PATCH] Build python wheel
+Subject: [PATCH 2/2] Build python wheel
 
 ---
- SPECS/libvirt-python.spec | 16 ++++++++++++++++
+ SPECS/libvirt-python.spec | 18 ++++++++++++++++++
- 1 file changed, 16 insertions(+)
+ 1 file changed, 18 insertions(+)
 
 diff --git a/SPECS/libvirt-python.spec b/SPECS/libvirt-python.spec
-index 475bb0a..7a01e94 100644
+index 475bb0a..4d7fced 100644
 --- a/SPECS/libvirt-python.spec
 +++ b/SPECS/libvirt-python.spec
 @@ -36,6 +36,7 @@ Name: libvirt-python
@@ -19,7 +19,7 @@ index 475bb0a..7a01e94 100644
  Url: http://libvirt.org
  License: LGPLv2+
  BuildRequires: libvirt-devel == %{version}
-@@ -44,6 +45,8 @@ BuildRequires: libvirt-devel == %{version}
+@@ -44,10 +45,14 @@ BuildRequires: libvirt-devel == %{version}
  BuildRequires: python2-devel
  BuildRequires: python2-nose
  BuildRequires: python2-lxml
@@ -28,7 +28,13 @@ index 475bb0a..7a01e94 100644
  %else
  BuildRequires: python-devel
  BuildRequires: python-nose
-@@ -106,6 +109,7 @@ of recent versions of Linux (and other OSes).
+ BuildRequires: python-lxml
++BuildRequires: python2-pip
++BuildRequires: python2-wheel
+ %endif
+ %endif
+ %if %{with_python3}
+@@ -106,6 +111,7 @@ of recent versions of Linux (and other OSes).
  
  %prep
  %setup -q
@@ -36,15 +42,15 @@ index 475bb0a..7a01e94 100644
  
  # Unset execute bit for example scripts; it can introduce spurious
  # RPM dependencies, like /usr/bin/python which can pull in python2
-@@ -120,6 +124,7 @@ exit 1
+@@ -120,6 +126,7 @@ exit 1
  
  %if %{with_python2}
  CFLAGS="$RPM_OPT_FLAGS" %{__python2} setup.py build
-+%py2_build_wheel
++CFLAGS="$RPM_OPT_FLAGS" %{__python2} setup.py bdist_wheel
  %endif
  %if %{with_python3}
  CFLAGS="$RPM_OPT_FLAGS" %{__python3} setup.py build
-@@ -128,6 +133,8 @@ CFLAGS="$RPM_OPT_FLAGS" %{__python3} setup.py build
+@@ -128,6 +135,8 @@ CFLAGS="$RPM_OPT_FLAGS" %{__python3} setup.py build
  %install
  %if %{with_python2}
  %{__python2} setup.py install --skip-build --root=%{buildroot}
@@ -53,7 +59,7 @@ index 475bb0a..7a01e94 100644
  %endif
  %if %{with_python3}
  %{__python3} setup.py install --skip-build --root=%{buildroot}
-@@ -166,4 +173,13 @@ CFLAGS="$RPM_OPT_FLAGS" %{__python3} setup.py build
+@@ -166,4 +175,13 @@ CFLAGS="$RPM_OPT_FLAGS" %{__python3} setup.py build
  %{python3_sitearch}/*egg-info
  %endif