From 12196f21e352b952cda3e837cf2467b75dd1e6e6 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Tue, 14 May 2019 23:13:35 +0200
Subject: More tests and options

---
 meson.build       | 46 +++++++++++++++++++++++++++++++++++++++++++++-
 meson_options.txt |  2 ++
 2 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100644 meson_options.txt

diff --git a/meson.build b/meson.build
index c25ca294..4dc04200 100644
--- a/meson.build
+++ b/meson.build
@@ -40,7 +40,6 @@ conf_data = configuration_data()
 
 add_project_arguments('-DHAVE_CONFIG_H', language : 'c')
 add_project_arguments('-DUSE_THREADS', language : 'c')
-conf_data.set('ICONV_CONST', '')
 add_project_arguments('-DSYSCONFDIR="'+join_paths(get_option('prefix'),
                                                   get_option('sysconfdir'))+'"',
                       language : 'c')
@@ -73,6 +72,17 @@ add_project_arguments('-DLOCALEDIR="'+join_paths(get_option('prefix'),
 add_project_arguments('-DTARGET_ALIAS="'+host_machine.cpu_family()+'-'+host_machine.system()+'"',
                       language : 'c')
 
+if get_option('update_check')
+  add_project_arguments('-DUSE_UPDATE_CHECK', language : 'c')
+  if get_option('update_check_plugin')
+    add_project_arguments('-DUSE_UPDATE_CHECK_PLUGIN', language : 'c')
+  endif
+else
+  if get_option('update_check_plugin')
+    warning('You must set update_check=true to use update_check_plugin=true')
+  endif
+endif
+
 if openssl.found()
   add_project_arguments('-DUSE_SSL', language : 'c')
 endif
@@ -99,6 +109,13 @@ endif
 compface = declare_dependency(compile_args : [],
                               link_args : compface_link_args)
 
+if gpgme.found()
+  if compiler.has_function('gpgme_io_writen', prefix : '#include <gpgme.h>')
+    conf_data.set('HAVE_GPGME_IO_WRITEN', 1)
+  endif
+  conf_data.set('USE_GPGME', 1)
+endif
+
 if compiler.has_header('sys/wait.h')
   conf_data.set('HAVE_SYS_WAIT_H', 1)
 endif
@@ -162,6 +179,11 @@ if compiler.has_function('mlock', prefix : '#include <sys/mman.h>')
   conf_data.set('HAVE_MLOCK', 1)
 endif
 
+if compiler.has_function('iconv', prefix : '#include <iconv.h>')
+  conf_data.set('HAVE_ICONV', 1)
+endif
+conf_data.set('ICONV_CONST', '')
+
 if compiler.has_function('truncate', prefix : '''#include <unistd.h>
                                                  #include <sys/types.h>
 ''')
@@ -177,6 +199,28 @@ if compiler.compiles(code, name : 'struct dirent has d_type member')
   conf_data.set('HAVE_DIRENT_D_TYPE', 1)
 endif
 
+if host_machine.system() == 'windows'
+   code = '''#define INET6
+             #include <sys/types.h>
+             #include <winsock2.h>
+             #include <ws2tcpip.h>
+             void func() {
+                int x = IPPROTO_IPV6; struct in6_addr a;
+             }
+   '''
+else
+   code = '''#define INET6
+             #include <sys/types.h>
+             #include <netinet/in.h>
+             void func() {
+                int x = IPPROTO_IPV6; struct in6_addr a;
+             }
+   '''
+endif
+if compiler.compiles(code, name : 'IPv6 is available')
+  conf_data.set('INET6', 1)
+endif
+
 # FIXME: JPilot
 
 configure_file(output : 'config.h',
diff --git a/meson_options.txt b/meson_options.txt
new file mode 100644
index 00000000..aee07aa0
--- /dev/null
+++ b/meson_options.txt
@@ -0,0 +1,2 @@
+option('update_check', type : 'boolean', value : false)
+option('update_check_plugin', type : 'boolean', value : false)
-- 
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