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

From 2f168951df1feebeac549ada1ea44ea092484c54 Mon Sep 17 00:00:00 2001
From: Adam Duskett <Aduskett@gmail.com>
Date: Mon, 16 Sep 2019 10:12:38 -0700
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          | 16 ----------------
 tests/meson.build    |  5 -----
 3 files changed, 22 deletions(-)

diff --git a/glib/glibconfig.h.in b/glib/glibconfig.h.in
index 7ef8c48..128e65d 100644
--- a/glib/glibconfig.h.in
+++ b/glib/glibconfig.h.in
@@ -117,7 +117,6 @@ 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 83774d0..99806d0 100644
--- a/meson.build
+++ b/meson.build
@@ -10,7 +10,6 @@ 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()
 
@@ -1490,20 +1489,6 @@ 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);
@@ -2101,7 +2086,6 @@ subdir('gobject')
 subdir('gthread')
 subdir('gmodule')
 subdir('gio')
-subdir('fuzzing')
 if build_tests
   subdir('tests')
 endif
diff --git a/tests/meson.build b/tests/meson.build
index e4ea226..7fd974c 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -56,11 +56,6 @@ tests = {
     'source': 'module-test.c',
     'c_args': ['-DMODULE_TYPE="plugin"'],
   },
-  'cxx-test' : {
-    'source' : 'cxx-test.cpp',
-    'include_directories' : gmoduleinc,
-    'dependencies' : [libgio_dep],
-  },
 }
 
 test_extra_programs = {
-- 
2.23.0