Temporary fix for facebook/zstd#2073

appveyor/apply_patch.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+mydir=$(dirname "$0")
+patch -p1 < "$mydir"/../kiwixbuild/patches/"$1"

appveyor/install_zstd.cmd

@@ -2,6 +2,8 @@ REM ========================================================
 REM Install zstd
 curl -fsSL -o zstd-v1.4.4.zip https://github.com/facebook/zstd/archive/v1.4.4.zip || exit /b 1
 7z x zstd-v1.4.4.zip || exit /b 1
+REM Fixing https://github.com/facebook/zstd/issues/2073
+%MINGW64_RUN% "cd /c/projects/kiwix-build/zstd-1.4.4 && ../appveyor/apply_patch.sh zstd_meson.patch" || exit /b 1
 cd zstd-1.4.4/build/meson
 meson . builddir --prefix %EXTRA_DIR% --default-library static --buildtype release -Dbin_programs=false -Dbin_contrib=false || exit /b 1
 cd builddir

kiwixbuild/dependencies/zstd.py

@@ -14,6 +14,7 @@ class zstd(Dependency):
         archive = Remotefile('zstd-1.4.4.tar.gz',
                              '59ef70ebb757ffe74a7b3fe9c305e2ba3350021a918d168a046c6300aeea9315',
                              'https://github.com/facebook/zstd/releases/download/v1.4.4/zstd-1.4.4.tar.gz')
+        patches = ['zstd_meson.patch']
 
     class Builder(MesonBuilder):
         subsource_dir = 'build/meson'

kiwixbuild/patches/zstd_meson.patch

@@ -0,0 +1,20 @@
+diff -ur zstd-1.4.4/build/meson/meson.build zstd-1.4.4.patched/build/meson/meson.build
+--- zstd-1.4.4/build/meson/meson.build  2019-11-04 21:54:32.000000000 +0400
++++ zstd-1.4.4.patched/build/meson/meson.build  2020-04-07 13:59:26.012106549 +0400
+@@ -68,6 +68,7 @@
+ # Built-in options
+ use_debug = get_option('debug')
+ buildtype = get_option('buildtype')
++default_library_type = get_option('default_library')
+
+ # Custom options
+ debug_level = get_option('debug_level')
+@@ -121,7 +122,7 @@
+   if use_multi_thread
+     msvc_compile_flags += '/MP'
+   endif
+-  if enable_static_runtime
++  if use_static_runtime
+     msvc_compile_flags += '/MT'
+   endif
+   add_project_arguments(msvc_compile_flags, language: ['c', 'cpp'])