Add flag to toggle curl integration (#65)

In order to fix a possible build cycle between libproxy and curl add a
toggle to switch off curl if necessary.

Fixes: https://github.com/janbrummer/libproxy2/issues/57

3 files changed, 22 insertions, 5 deletions

diff --git a/meson.build b/meson.build
index baf668e..96f22fe 100644
--- a/meson.build
+++ b/meson.build
@@ -15,10 +15,6 @@ girdir     = get_option('datadir') / 'gir-1.0'
 typelibdir = get_option('libdir')  / 'girepository-1.0'
 vapidir = get_option('datadir') / 'vala' / 'vapi'
 
-config_h = configuration_data()
-config_h.set_quoted('PACKAGE_VERSION', meson.project_version())
-config_h.set_quoted('PX_PLUGINS_DIR', px_plugins_dir)
-configure_file(output: 'config.h', configuration: config_h)
 add_project_arguments(['-I' + meson.project_build_root()], language: 'c')
 
 version_arr = meson.project_version().split('-')[0].split('.')
@@ -115,12 +111,18 @@ glib_dep = dependency('glib-2.0', version: '>= 2.71.3')
 gio_dep = dependency('gio-2.0', version: '>= 2.71.3')
 peas_dep = dependency('libpeas-1.0')
 soup_dep = dependency('libsoup-3.0', required: get_option('tests'))
-curl_dep = dependency('libcurl')
+curl_dep = dependency('libcurl', required: get_option('curl'))
 ws2_32_dep = cc.find_library('ws2_32', required : with_platform_windows)
 gsettings_desktop_schema = dependency('gsettings-desktop-schemas', required: get_option('config-gnome'))
 
 build_dbus = get_option('dbus').disable_auto_if(['window', 'darwin'].contains(host_system)).allowed()
 
+config_h = configuration_data()
+config_h.set_quoted('PACKAGE_VERSION', meson.project_version())
+config_h.set_quoted('PX_PLUGINS_DIR', px_plugins_dir)
+config_h.set10('HAVE_CURL', get_option('curl'))
+configure_file(output: 'config.h', configuration: config_h)
+
 subdir('src')
 subdir('tests')
 subdir('docs')
diff --git a/meson_options.txt b/meson_options.txt
index 4a212d8..1c530b8 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -73,4 +73,11 @@ option(
   type: 'boolean',
   value: true,
   description: 'Whether to build vapi support'
+)
+
+option(
+  'curl',
+  type: 'boolean',
+  value: true,
+  description: 'Whether to build cURL support'
 )
\ No newline at end of file
diff --git a/src/backend/px-manager.c b/src/backend/px-manager.c
index f69dab3..ad230ac 100644
--- a/src/backend/px-manager.c
+++ b/src/backend/px-manager.c
@@ -25,7 +25,9 @@
 #include "px-plugin-config.h"
 #include "px-plugin-pacrunner.h"
 
+#ifdef HAVE_CURL
 #include <curl/curl.h>
+#endif
 #include <libpeas/peas.h>
 
 enum {
@@ -51,7 +53,9 @@ struct _PxManager {
   PeasExtensionSet *config_set;
   PeasExtensionSet *pacrunner_set;
   GNetworkMonitor *network_monitor;
+#ifdef HAVE_CURL
   CURL *curl;
+#endif
   char *plugins_dir;
   GCancellable *cancellable;
 
@@ -309,6 +313,7 @@ GBytes *
 px_manager_pac_download (PxManager  *self,
                          const char *uri)
 {
+#ifdef HAVE_CURL
   GByteArray *byte_array = g_byte_array_new ();
   CURLcode res;
   const char *url = uri;
@@ -339,6 +344,9 @@ px_manager_pac_download (PxManager  *self,
   }
 
   return g_byte_array_free_to_bytes (byte_array);
+#else
+  return NULL;
+#endif
 }
 
 struct ConfigData {