meson wraps: replace zlib with zlib-ng

Faster.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

Author: neheb

meson.build

@@ -2,7 +2,7 @@ project(
   'exiv2',
   'cpp',
   version: '1.0.0',
-  meson_version: '>=0.54.1',
+  meson_version: '>=0.60.0',
   default_options: ['warning_level=0', 'cpp_std=c++20'],
 )
 
@@ -87,18 +87,12 @@ if inih_dep.found()
   deps += inih_dep
 endif
 
-zlib_dep = dependency('zlib', disabler: true, required: get_option('png'))
+zlib_dep = dependency('zlib-ng', 'zlib', disabler: true, required: get_option('png'))
 if zlib_dep.found()
   deps += zlib_dep
 endif
 
-if meson.version().version_compare('>= 0.60')
-  iconv_dep = dependency('iconv', required: get_option('iconv'))
-elif not get_option('iconv').disabled() and not cpp.links('#include <iconv.h>\nint main(){iconv_open("", "");}')
-  iconv_dep = cpp.find_library('iconv', required: get_option('iconv'))
-else
-  iconv_dep = get_option('iconv').disabled() ? dependency('', required: false) : declare_dependency()
-endif
+iconv_dep = dependency('iconv', required: get_option('iconv'))
 if iconv_dep.found()
   deps += iconv_dep
 endif

subprojects/zlib-ng.wrap

@@ -0,0 +1,14 @@
+[wrap-file]
+directory = zlib-ng-2.3.2
+source_url = https://github.com/zlib-ng/zlib-ng/archive/refs/tags/2.3.2.tar.gz
+source_filename = zlib-ng-2.3.2.tar.gz
+source_hash = 6a0561b50b8f5f6434a6a9e667a67026f2b2064a1ffa959c6b2dae320161c2a8
+source_fallback_url = https://wrapdb.mesonbuild.com/v2/zlib-ng_2.3.2-2/get_source/zlib-ng-2.3.2.tar.gz
+patch_filename = zlib-ng_2.3.2-2_patch.zip
+patch_url = https://wrapdb.mesonbuild.com/v2/zlib-ng_2.3.2-2/get_patch
+patch_fallback_url = https://github.com/mesonbuild/wrapdb/releases/download/zlib-ng_2.3.2-2/zlib-ng_2.3.2-2_patch.zip
+patch_hash = 43eff1d7f7948b0fa09237bcf08d7fc34378929eddf216897e9be5955506e35f
+wrapdb_version = 2.3.2-2
+
+[provide]
+dependency_names = zlib-ng