[jsonrpc-glib] abi: set visibility rules to hidden by default

[Christian Hergert <chergert src gnome org>]

commit 5d776c0d30afe4cefcee31c0531152790f7c2770
Author: Christian Hergert <chergert redhat com>
Date:   Sun Feb 11 16:37:20 2018 -0800

    abi: set visibility rules to hidden by default
    
    This enforces our visibility rules to match our export macros.

 meson.build                 | 31 +++++++++++++++++++++++--------
 src/jsonrpc-client.c        |  2 ++
 src/jsonrpc-client.h        |  1 +
 src/jsonrpc-input-stream.c  |  2 ++
 src/jsonrpc-input-stream.h  |  1 +
 src/jsonrpc-message.c       |  2 ++
 src/jsonrpc-output-stream.c |  2 ++
 src/jsonrpc-output-stream.h |  1 +
 src/jsonrpc-server.c        |  2 ++
 src/jsonrpc-server.h        |  1 +
 src/meson.build             |  1 +
 11 files changed, 38 insertions(+), 8 deletions(-)
---
diff --git a/meson.build b/meson.build
index c224e61..1ff3c10 100644
--- a/meson.build
+++ b/meson.build
@@ -30,11 +30,6 @@ config_h = configuration_data()
 config_h.set_quoted('GETTEXT_PACKAGE', 'libjsonrpc_glib')
 config_h.set_quoted('LOCALEDIR', join_paths(get_option('prefix'), get_option('localedir')))
 
-configure_file(
-         output: 'config.h',
-  configuration: config_h,
-)
-
 add_project_arguments([
   '-DHAVE_CONFIG_H',
   '-I' + meson.build_root(),
@@ -87,9 +82,29 @@ foreach arg: test_c_args
     global_c_args += arg
   endif
 endforeach
-add_project_arguments(
-  global_c_args,
-  language: 'c'
+
+add_project_arguments(global_c_args, language: 'c')
+
+# Detect and set symbol visibility
+hidden_visibility_args = []
+if get_option('default_library') != 'static'
+  if host_machine.system() == 'windows'
+    config_h.set('DLL_EXPORT', true)
+    if cc.get_id() == 'msvc'
+      config_h.set('_JSONRPC_EXTERN', '__declspec(dllexport) extern')
+    elif cc.has_argument('-fvisibility=hidden')
+      config_h.set('_JSONRPC_EXTERN', '__attribute__((visibility("default"))) __declspec(dllexport) extern')
+      hidden_visibility_args = ['-fvisibility=hidden']
+    endif
+  elif cc.has_argument('-fvisibility=hidden')
+    config_h.set('_JSONRPC_EXTERN', '__attribute__((visibility("default"))) extern')
+    hidden_visibility_args = ['-fvisibility=hidden']
+  endif
+endif
+
+configure_file(
+         output: 'config.h',
+  configuration: config_h,
 )
 
 # Setup various paths that subdirectory meson.build files need
diff --git a/src/jsonrpc-client.c b/src/jsonrpc-client.c
index a3c6618..2868f80 100644
--- a/src/jsonrpc-client.c
+++ b/src/jsonrpc-client.c
@@ -18,6 +18,8 @@
 
 #define G_LOG_DOMAIN "jsonrpc-client"
 
+#include "config.h"
+
 /**
  * SECTION:jsonrpc-client
  * @title: JsonrpcClient
diff --git a/src/jsonrpc-client.h b/src/jsonrpc-client.h
index 09ad121..55e9a90 100644
--- a/src/jsonrpc-client.h
+++ b/src/jsonrpc-client.h
@@ -37,6 +37,7 @@ typedef enum
   JSONRPC_CLIENT_ERROR_INTERNAL_ERROR   = -32603,
 } JsonrpcClientError;
 
+JSONRPC_AVAILABLE_IN_3_26
 G_DECLARE_DERIVABLE_TYPE (JsonrpcClient, jsonrpc_client, JSONRPC, CLIENT, GObject)
 
 struct _JsonrpcClientClass
diff --git a/src/jsonrpc-input-stream.c b/src/jsonrpc-input-stream.c
index 5ce3d61..b828985 100644
--- a/src/jsonrpc-input-stream.c
+++ b/src/jsonrpc-input-stream.c
@@ -18,6 +18,8 @@
 
 #define G_LOG_DOMAIN "jsonrpc-input-stream"
 
+#include "config.h"
+
 #include <errno.h>
 #include <json-glib/json-glib.h>
 #include <string.h>
diff --git a/src/jsonrpc-input-stream.h b/src/jsonrpc-input-stream.h
index d69fb38..8bd93b1 100644
--- a/src/jsonrpc-input-stream.h
+++ b/src/jsonrpc-input-stream.h
@@ -27,6 +27,7 @@ G_BEGIN_DECLS
 
 #define JSONRPC_TYPE_INPUT_STREAM (jsonrpc_input_stream_get_type())
 
+JSONRPC_AVAILABLE_IN_3_26
 G_DECLARE_DERIVABLE_TYPE (JsonrpcInputStream, jsonrpc_input_stream, JSONRPC, INPUT_STREAM, GDataInputStream)
 
 struct _JsonrpcInputStreamClass
diff --git a/src/jsonrpc-message.c b/src/jsonrpc-message.c
index 5d3f0b1..eb705bb 100644
--- a/src/jsonrpc-message.c
+++ b/src/jsonrpc-message.c
@@ -18,6 +18,8 @@
 
 #define G_LOG_DOMAIN "jsonrpc-message"
 
+#include "config.h"
+
 #include <string.h>
 
 #include "jsonrpc-message.h"
diff --git a/src/jsonrpc-output-stream.c b/src/jsonrpc-output-stream.c
index c7a9d77..e43c1a9 100644
--- a/src/jsonrpc-output-stream.c
+++ b/src/jsonrpc-output-stream.c
@@ -18,6 +18,8 @@
 
 #define G_LOG_DOMAIN "jsonrpc-output-stream"
 
+#include "config.h"
+
 #include <string.h>
 
 #include "jsonrpc-output-stream.h"
diff --git a/src/jsonrpc-output-stream.h b/src/jsonrpc-output-stream.h
index 9de2d93..cf8f2ef 100644
--- a/src/jsonrpc-output-stream.h
+++ b/src/jsonrpc-output-stream.h
@@ -28,6 +28,7 @@ G_BEGIN_DECLS
 
 #define JSONRPC_TYPE_OUTPUT_STREAM (jsonrpc_output_stream_get_type())
 
+JSONRPC_AVAILABLE_IN_3_26
 G_DECLARE_DERIVABLE_TYPE (JsonrpcOutputStream, jsonrpc_output_stream, JSONRPC, OUTPUT_STREAM, 
GDataOutputStream)
 
 struct _JsonrpcOutputStreamClass
diff --git a/src/jsonrpc-server.c b/src/jsonrpc-server.c
index 51f732a..e3c9dc3 100644
--- a/src/jsonrpc-server.c
+++ b/src/jsonrpc-server.c
@@ -18,6 +18,8 @@
 
 #define G_LOG_DOMAIN "jsonrpc-server"
 
+#include "config.h"
+
 #include <stdlib.h>
 
 #include "jsonrpc-input-stream.h"
diff --git a/src/jsonrpc-server.h b/src/jsonrpc-server.h
index 323c643..ff4de07 100644
--- a/src/jsonrpc-server.h
+++ b/src/jsonrpc-server.h
@@ -28,6 +28,7 @@ G_BEGIN_DECLS
 
 #define JSONRPC_TYPE_SERVER (jsonrpc_server_get_type())
 
+JSONRPC_AVAILABLE_IN_3_26
 G_DECLARE_DERIVABLE_TYPE (JsonrpcServer, jsonrpc_server, JSONRPC, SERVER, GObject)
 
 struct _JsonrpcServerClass
diff --git a/src/meson.build b/src/meson.build
index d81debb..8f1161c 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -52,6 +52,7 @@ libjsonrpc_glib = library(
   'jsonrpc-glib-' + apiversion,
   libjsonrpc_glib_sources,
 
+        c_args: hidden_visibility_args,
   dependencies: libjsonrpc_glib_deps,
      soversion: soversion,
        version: libversion,