meson.build: require Meson 1.0

Debian Bookworm (the current stable) has 1.0.1 and Ubuntu LTS 24.04
has 1.3.2.  It's acceptable to require at least version 1.0 now.

NEWS

@@ -63,6 +63,7 @@ ver 0.24 (not yet released)
 * remove Boost dependency
 * require libfmt 9 or later
 * documentation: switch to sphinx-rtd-theme
+* require Meson 1.0
 
 ver 0.23.15 (2023/12/20)
 * decoder

doc/user.rst

@@ -58,7 +58,7 @@ and unpack it (or `clone the git repository
 In any case, you need:
 
 * a C++20 compiler (e.g. GCC 10 or clang 11)
-* `Meson 0.56.0 <http://mesonbuild.com/>`__ and `Ninja
+* `Meson 1.0 <http://mesonbuild.com/>`__ and `Ninja
   <https://ninja-build.org/>`__
 * pkg-config 
 

meson.build

@@ -2,7 +2,7 @@ project(
   'mpd',
   ['c', 'cpp'],
   version: '0.24',
-  meson_version: '>= 0.56.0',
+  meson_version: '>= 1.0',
   default_options: [
     'c_std=c11',
     'build.c_std=c11',

src/lib/icu/meson.build

@@ -22,24 +22,8 @@ if icu_dep.found()
     'Transliterator.cxx',
   ]
 else
-  if meson.version().version_compare('>= 0.60')
-    iconv_dep = dependency('iconv', required: get_option('iconv'))
-    conf.set('HAVE_ICONV', iconv_dep.found())
-  elif not get_option('iconv').disabled()
-    iconv_open_snippet = '''#include <iconv.h>
-      int main() {
-      iconv_open("","");
-      }'''
-    have_iconv = compiler.links(iconv_open_snippet, name: 'iconv_open')
-    if not have_iconv
-      iconv_dep = compiler.find_library('iconv', required: false)
-      have_iconv = compiler.links(iconv_open_snippet, dependencies: iconv_dep, name: 'iconv_open')
-    endif
-    if not have_iconv and get_option('iconv').enabled()
-      error('iconv() not available')
-    endif
-    conf.set('HAVE_ICONV', have_iconv)
-  endif
+  iconv_dep = dependency('iconv', required: get_option('iconv'))
+  conf.set('HAVE_ICONV', iconv_dep.found())
 endif
 
 icu = static_library(