Update meson dependency usage

README.md

@@ -632,6 +632,5 @@ revision = origin/master
 ```
 Then simply fetch the dependency and it is ready to be used:
 ```meson
-ssp_sub = subproject('ssp')
-ssp_dep = ssp_sub.get_variable('ssp_dep')
+ssp_dep = dependency('ssp')
 ```

meson.build

@@ -2,16 +2,19 @@ project('ssp', 'cpp',
   default_options : 
   ['warning_level=3', 
     'cpp_std=c++17', 
-    'buildtype=debugoptimized'])
+    'buildtype=debugoptimized'],
+  meson_version:'>=0.54.0')
 
-fast_float_sub = subproject('fast_float')
-fast_float_dep = fast_float_sub.get_variable('fast_float_dep')
+fast_float_dep = dependency('fast_float')
 
 ssp_dep = declare_dependency(
   include_directories: include_directories('include'),
   dependencies: fast_float_dep
   )
 
+meson.override_dependency('ssp', ssp_dep)
+
 if not meson.is_subproject()
   subdir('test')
 endif
+

test/meson.build

@@ -7,8 +7,7 @@ test_sources = files([
       'test_extractions_without_fast_float.cpp',
       ])
 
-doctest_proj = subproject('doctest')
-doctest_dep = doctest_proj.get_variable('doctest_dep')
+doctest_dep = dependency('doctest')
 
 test_exe = executable(
   'test_ssp',

test/test_helpers.hpp

@@ -1,12 +1,7 @@
 #pragma once
 #include <cstdlib>
 #include <cstring>
-
-#ifdef CMAKE_GITHUB_CI
 #include <doctest/doctest.h>
-#else
-#include <doctest.h>
-#endif
 
 struct buffer {
     char* data_{nullptr};

test/test_main.cpp

@@ -1,2 +1,2 @@
 #define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
-#include <doctest.h>
+#include <doctest/doctest.h>