[libsoup] meson: Check for all Apache modules required for running tests

[Claudio Saavedra <csaavedra src gnome org>]

commit 81735cf96ffc8f4cda50da32ce456d2882bf991a
Author: Tomas Popela <tpopela redhat com>
Date:   Fri Aug 31 10:39:35 2018 +0200

    meson: Check for all Apache modules required for running tests
    
    The names of the missing ones could be found in the meson log. Also
    print a warning if anything that is needed for running all the tests is
    missing.

 get_apache_modules_dirs.py | 40 +++++++++++++++++++++++++++++++++++++++-
 meson.build                |  5 +++++
 2 files changed, 44 insertions(+), 1 deletion(-)
---
diff --git a/get_apache_modules_dirs.py b/get_apache_modules_dirs.py
index c2428a9c..b39c4043 100755
--- a/get_apache_modules_dirs.py
+++ b/get_apache_modules_dirs.py
@@ -39,6 +39,44 @@ def check_module(modules_path, module):
      return os.path.isfile(module_path)
 
 
+def check_required_basic_modules(modules_path):
+
+    apache_required_modules = [
+        'mod_alias',
+        'mod_auth_basic',
+        'mod_auth_digest',
+        'mod_authn_core',
+        'mod_authn_file',
+        'mod_authz_core',
+        'mod_authz_host',
+        'mod_authz_user',
+        'mod_dir',
+        'mod_mime',
+        'mod_mpm_prefork',
+        'mod_proxy',
+        'mod_proxy_http',
+        'mod_proxy_connect'
+    ]
+
+    found = 0
+    not_found = []
+    for module_name in apache_required_modules:
+        if not check_module(modules_path, module_name + '.so'):
+            if found == 0:
+                return False
+            # If we found at least one module, continue and later report all the
+            # modules that we didn't find.
+            not_found.append(module_name)
+        else:
+            found += 1
+
+    if found < len(apache_required_modules):
+        print('Failed to find required Apache modules for running tests: ' + ', '.join(not_found), 
file=sys.stderr)
+        return False
+
+    return True
+
+
 def main():
     """Checks whether the required Apache modules are available and prints their
        paths to stdout (values are separated by colons).
@@ -75,7 +113,7 @@ def main():
             for mpm_suffix in ['', '-' + mpm]:
                 for modules_dir in ['', 'modules']:
                     modules_path = os.path.join(apache_prefix, lib_dir, httpd_dir + mpm_suffix, modules_dir)
-                    if check_module(modules_path, 'mod_auth_digest.so'):
+                    if check_required_basic_modules(modules_path):
                         apache_modules_dir = modules_path
                     if check_module(modules_path, 'mod_ssl.so'):
                         apache_ssl_module_dir = modules_path
diff --git a/meson.build b/meson.build
index 6deda77d..f99b43fc 100644
--- a/meson.build
+++ b/meson.build
@@ -173,6 +173,11 @@ if have_apache
   cdata.set('IF_HAVE_PHP_XMLRPC', have_php_xmlrpc ? '' : ';')
 endif
 
+tests_ready = have_apache and have_php and have_php_xmlrpc
+if not tests_ready
+  warning('Some regression tests will not be compiled due to missing libraries or modules. Please check the 
logs for more details.')
+endif
+
 cdata.set('HAVE_CURL', find_program('curl', required : false).found())
 
 ##################