Build documentation with sphinx and breathe from system

fmt.spec

@@ -6,8 +6,8 @@ Summary:        Small, safe and fast formatting library for C++
 License:        BSD
 URL:            https://github.com/fmtlib/fmt
 Source0:        https://github.com/fmtlib/fmt/archive/%{version}.tar.gz#/%{name}-%{version}.tar.gz
-# See https://github.com/fmtlib/fmt/issues/443
+# See https://github.com/fmtlib/fmt/issues/443 and https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/message/LVKYLDLJVWAVJE4MQVKDO6PYZRD5MCP6/
-Patch0:         fmt_build_github.patch
+Patch0:         fmt_build_doc_system.patch
 
 %if 0%{?rhel}
 BuildRequires:  cmake3
@@ -16,10 +16,9 @@ BuildRequires:  cmake
 %endif
 # For building documentation
 BuildRequires:  doxygen
-BuildRequires:  git
 BuildRequires:  nodejs-less
-BuildRequires:  python2-pip
+BuildRequires:  python2-sphinx
-BuildRequires:  python2-virtualenv
+BuildRequires:  python2-breathe
 
 %description
 C++ Format is an open-source formatting library for C++. It can be used as a

fmt_build_doc_system.patch

@@ -0,0 +1,56 @@
+--- a/doc/build.py
++++ b/doc/build.py
+@@ -4,53 +4,9 @@
+ from __future__ import print_function
+ import errno, os, shutil, sys, tempfile
+ from subprocess import check_call, check_output, CalledProcessError, Popen, PIPE
+-from distutils.version import LooseVersion
+-
+-def pip_install(package, commit=None, **kwargs):
+-  "Install package using pip."
+-  if commit:
+-    check_version = kwargs.get('check_version', '')
+-    #output = check_output(['pip', 'show', package.split('/')[1]])
+-    #if check_version in output:
+-    #  print('{} already installed'.format(package))
+-    #  return
+-    package = 'git+git://github.com/{0}.git@{1}'.format(package, commit)
+-  print('Installing {}'.format(package))
+-  check_call(['pip', 'install', package])
+ 
+ def build_docs(version='dev'):
+-  # Create virtualenv.
+   doc_dir = os.path.dirname(os.path.realpath(__file__))
+-  virtualenv_dir = 'virtualenv'
+-  check_call(['virtualenv', virtualenv_dir])
+-  import sysconfig
+-  scripts_dir = os.path.basename(sysconfig.get_path('scripts'))
+-  activate_this_file = os.path.join(virtualenv_dir, scripts_dir,
+-                                    'activate_this.py')
+-  with open(activate_this_file) as f:
+-    exec(f.read(), dict(__file__=activate_this_file))
+-  # Upgrade pip because installation of sphinx with pip 1.1 available on Travis
+-  # is broken (see #207) and it doesn't support the show command.
+-  from pkg_resources import get_distribution, DistributionNotFound
+-  pip_version = get_distribution('pip').version
+-  if LooseVersion(pip_version) < LooseVersion('1.5.4'):
+-    print("Updating pip")
+-    check_call(['pip', 'install', '--upgrade', 'pip'])
+-  # Upgrade distribute because installation of sphinx with distribute 0.6.24
+-  # available on Travis is broken (see #207).
+-  try:
+-    distribute_version = get_distribution('distribute').version
+-    if LooseVersion(distribute_version) <= LooseVersion('0.6.24'):
+-      print("Updating distribute")
+-      check_call(['pip', 'install', '--upgrade', 'distribute'])
+-  except DistributionNotFound:
+-    pass
+-  # Install Sphinx and Breathe.
+-  pip_install('sphinx-doc/sphinx',
+-              '12b83372ac9316e8cbe86e7fed889296a4cc29ee',
+-              check_version='1.4.1.dev20160525')
+-  pip_install('michaeljones/breathe',
+-              '1c9d7f80378a92cffa755084823a78bb38ee4acc')
+   # Build docs.
+   cmd = ['doxygen', '-']
+   p = Popen(cmd, stdin=PIPE)

fmt_build_github.patch

@@ -1,11 +0,0 @@
---- a/doc/build.py
-+++ b/doc/build.py
-@@ -14,7 +14,7 @@
-     #if check_version in output:
-     #  print('{} already installed'.format(package))
-     #  return
--    package = 'git+git://github.com/{0}.git@{1}'.format(package, commit)
-+    package = 'git+https://github.com/{0}.git@{1}'.format(package, commit)
-   print('Installing {}'.format(package))
-   check_call(['pip', 'install', package])
-