buildroot/package/libglib2/0003-remove-cpp-requirement.patch

From ee5ed1385bd6c36123ff970a8fff89a811798421 Mon Sep 17 00:00:00 2001
From: Adam Duskett <Aduskett@gmail.com>
Date: Tue, 9 Apr 2019 12:59:36 -0400
Subject: [PATCH] remove cpp requirement

The c++ test is necessary to ensure libglib doesn't accidentally use C++
reserved keywords in public headers. Because this is just a test, it isn't
necessary to have a C++ compiler to build libglib2.

Signed-off-by: Adam Duskett <Aduskett@gmail.com>
Upstream status: Denied (Buildroot specific)
https://gitlab.gnome.org/GNOME/glib/issues/1748
---
 glib/glibconfig.h.in |  1 -
 meson.build          | 18 +-----------------
 tests/meson.build    |  5 -----
 3 files changed, 1 insertion(+), 23 deletions(-)

diff --git a/glib/glibconfig.h.in b/glib/glibconfig.h.in
index 2bf6c43..358867f 100644
--- a/glib/glibconfig.h.in
+++ b/glib/glibconfig.h.in
@@ -122,7 +122,6 @@ typedef unsigned @glib_intptr_type_define@ guintptr;
 @glib_vacopy@
 
 @g_have_iso_c_varargs@
-@g_have_iso_cxx_varargs@
 
 /* gcc-2.95.x supports both gnu style and ISO varargs, but if -ansi
  * is passed ISO vararg support is turned off, and there is no work
diff --git a/meson.build b/meson.build
index c96289a..b694bb7 100644
--- a/meson.build
+++ b/meson.build
@@ -1,4 +1,4 @@
-project('glib', 'c', 'cpp',
+project('glib', 'c',
   version : '2.60.6',
   meson_version : '>= 0.48.0',
   default_options : [
@@ -9,7 +9,6 @@ project('glib', 'c', 'cpp',
 )
 
 cc = meson.get_compiler('c')
-cxx = meson.get_compiler('cpp')
 
 cc_can_run = not meson.is_cross_build() or meson.has_exe_wrapper()
 
@@ -1440,20 +1439,6 @@ if g_have_iso_c_varargs
 #endif''')
 endif
 
-g_have_iso_cxx_varargs = cxx.compiles('''
-  void some_func (void) {
-    int a(int p1, int p2, int p3);
-    #define call_a(...) a(1,__VA_ARGS__)
-    call_a(2,3);
-  }''', name : 'ISO C99 varargs macros in C++')
-
-if g_have_iso_cxx_varargs
-  glibconfig_conf.set('g_have_iso_cxx_varargs', '''
-#ifdef __cplusplus
-# define G_HAVE_ISO_VARARGS 1
-#endif''')
-endif
-
 g_have_gnuc_varargs = cc.compiles('''
   void some_func (void) {
     int a(int p1, int p2, int p3);
@@ -1995,7 +1980,6 @@ subdir('gobject')
 subdir('gthread')
 subdir('gmodule')
 subdir('gio')
-subdir('fuzzing')

 if build_tests
   subdir('tests')
diff --git a/tests/meson.build b/tests/meson.build
index 11075dd..e052892 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -48,11 +48,6 @@ tests = {
     'dependencies' : [libgmodule_dep],
     'export_dynamic' : true,
   },
-  'cxx-test' : {
-    'source' : 'cxx-test.cpp',
-    'include_directories' : gmoduleinc,
-    'dependencies' : [libgio_dep],
-  },
 }
 
 test_extra_programs = {
-- 
2.20.1