Hunks 1 & 2: Enable manpages, doxygen, and sphinx documentation separately
Hunks 3 & 4: Install docs in more standard locations

--- wscript.orig	2019-01-09 22:40:04 UTC
+++ wscript
@@ -97,9 +97,15 @@ def options(ctx):
             help_str = 'compile with source_wavwrite (default)',
             help_disable_str = 'do not compile source_wavwrite')
 
-    add_option_enable_disable(ctx, 'docs', default = None,
-            help_str = 'build documentation (auto)',
-            help_disable_str = 'do not build documentation')
+    add_option_enable_disable(ctx, 'manpages', default = None,
+            help_str = 'build manpages (auto)',
+            help_disable_str = 'do not build manpages')
+    add_option_enable_disable(ctx, 'doxygen', default = None,
+            help_str = 'build API documentation (auto)',
+            help_disable_str = 'do not build API documentation')
+    add_option_enable_disable(ctx, 'sphinx', default = None,
+            help_str = 'build general documentation (auto)',
+            help_disable_str = 'do not build general documentation')
 
     add_option_enable_disable(ctx, 'tests', default = True,
             help_str = 'build tests (true)',
@@ -475,19 +481,21 @@ def configure(ctx):
     if (ctx.options.enable_double == True):
         ctx.define('HAVE_AUBIO_DOUBLE', 1)
 
-    if (ctx.options.enable_docs != False):
+    if (ctx.options.enable_manpages != False):
         # check if txt2man is installed, optional
         try:
           ctx.find_program('txt2man', var='TXT2MAN')
         except ctx.errors.ConfigurationError:
           ctx.to_log('txt2man was not found (ignoring)')
 
+    if (ctx.options.enable_doxygen != False):
         # check if doxygen is installed, optional
         try:
           ctx.find_program('doxygen', var='DOXYGEN')
         except ctx.errors.ConfigurationError:
           ctx.to_log('doxygen was not found (ignoring)')
 
+    if (ctx.options.enable_sphinx != False):
         # check if sphinx-build is installed, optional
         try:
           ctx.find_program('sphinx-build', var='SPHINX')
@@ -557,24 +565,17 @@ def doxygen(bld):
                 target = bld.path.find_or_declare('api/index.html'),
                 cwd = bld.path.find_dir('doc'))
         # evaluate nodes lazily to prevent build directory traversal warnings
-        bld.install_files('${DATAROOTDIR}/doc/libaubio-doc/api',
+        bld.install_files('${DATAROOTDIR}/doc/aubio/api',
                 bld.path.find_or_declare('api').ant_glob('**/*',
                     generator=True), cwd=bld.path.find_or_declare('api'),
                 relative_trick=True)
 
 def sphinx(bld):
     # build documentation from source files using sphinx-build
-    try:
-        import aubio
-        has_aubio = True
-    except ImportError:
-        from waflib import Logs
-        Logs.pprint('YELLOW', "Sphinx manual: install aubio first")
-        has_aubio = False
-    if bld.env['SPHINX'] and has_aubio:
+    if bld.env['SPHINX']:
         bld.env.VERSION = VERSION
         rule = '${SPHINX} -b html -D release=${VERSION}' \
-                ' -D version=${VERSION} -W -a -q' \
+                ' -D version=${VERSION} -a -q' \
                 ' -d %s ' % os.path.join(os.path.abspath(out), 'doctrees')
         rule += ' . %s' % os.path.join(os.path.abspath(out), 'manual')
         bld( name = 'sphinx', rule = rule,
@@ -582,7 +583,7 @@ def sphinx(bld):
                 source = bld.path.find_dir('doc').ant_glob('*.rst'),
                 target = bld.path.find_or_declare('manual/index.html'))
         # evaluate nodes lazily to prevent build directory traversal warnings
-        bld.install_files('${DATAROOTDIR}/doc/libaubio-doc/manual',
+        bld.install_files('${DATAROOTDIR}/doc/aubio/manual',
                 bld.path.find_or_declare('manual').ant_glob('**/*',
                     generator=True), cwd=bld.path.find_or_declare('manual'),
                 relative_trick=True)