Revert "use liblzma for compression, remove 7zip SDK from codebase"

This reverts commit eead467.

There's no telling how deep the rabbit hole goes with xz, so better use the
good old 7zip SDK.

.github/workflows/x64-linux.yml

@@ -16,7 +16,7 @@ jobs:
         fetch-depth: 1
     - name: Install dependencies
       run: |
-        sudo apt-get --no-install-recommends --yes install libfmt-dev liblzma-dev libgit2-dev libsqlite3-dev libssl-dev ninja-build
+        sudo apt-get --no-install-recommends --yes install libfmt-dev libgit2-dev libsqlite3-dev libssl-dev ninja-build
         pip install meson
     - name: Get boost
       run: |

.github/workflows/x86-windows.yml

@@ -26,7 +26,7 @@ jobs:
       with:
         vcpkgGitCommitId: 8eb57355a4ffb410a2e94c07b4dca2dffbee8e50
         vcpkgTriplet: ${{ env.VCPKG_TRIPLET }}
-        vcpkgArguments: boost-asio boost-filesystem boost-date-time boost-interprocess boost-json fmt libgit2 liblzma openssl sqlite3
+        vcpkgArguments: boost-asio boost-filesystem boost-date-time boost-interprocess boost-json fmt libgit2 openssl sqlite3
     - name: Fix Boost.Filesystem library location
       shell: bash
       run: |

Dockerfile

@@ -1,11 +1,11 @@
 # Install all the runtime dependencies for Multirole.
 FROM alpine:edge AS base
-RUN apk add --no-cache --repository "@testing http://dl-cdn.alpinelinux.org/alpine/edge/testing" boost-filesystem ca-certificates libgit2 libssl3 tcmalloc-minimal@testing sqlite-libs xz && \
+RUN apk add --no-cache --repository "@testing http://dl-cdn.alpinelinux.org/alpine/edge/testing" boost-filesystem ca-certificates libgit2 libssl3 tcmalloc-minimal@testing sqlite-libs && \
 	rm -rf /var/log/* /tmp/* /var/tmp/*
 
 # Install all the development environment that Multirole needs.
 FROM base AS base-dev
-RUN apk add --no-cache --repository "@testing http://dl-cdn.alpinelinux.org/alpine/edge/testing" boost-dev fmt-dev g++ gperftools-dev@testing libgit2-dev meson ninja openssl-dev sqlite-dev xz-dev && \
+RUN apk add --no-cache --repository "@testing http://dl-cdn.alpinelinux.org/alpine/edge/testing" boost-dev fmt-dev g++ gperftools-dev@testing libgit2-dev meson ninja openssl-dev sqlite-dev && \
 	rm -rf /var/log/* /tmp/* /var/tmp/*
 
 # Build multirole, stripping debug symbols to their own files.

README.md

@@ -34,7 +34,6 @@ This project depends on the following libraries:
     * json
   * fmt
   * libgit2
-  * liblzma (provided as xz in some systems)
   * openssl
   * sqlite3
 

meson.build

@@ -11,7 +11,6 @@ atomic_dep  = meson.get_compiler('cpp').find_library('atomic', required : false)
 boost_dep   = dependency('boost', version : '>=1.78', modules : ['filesystem'], static : static_deps)
 dl_dep      = meson.get_compiler('cpp').find_library('dl', required : false)
 libgit2_dep = dependency('libgit2', static : static_deps)
-lzma_dep    = dependency('liblzma')
 openssl_dep = dependency('openssl', static : static_deps)
 rt_dep      = meson.get_compiler('cpp').find_library('rt', required : false)
 sqlite3_dep = dependency('sqlite3', static : static_deps)
@@ -68,6 +67,9 @@ multirole_src_files = files([
 	'src/Multirole/YGOPro/Deck.cpp',
 	'src/Multirole/YGOPro/Replay.cpp',
 	'src/Multirole/YGOPro/StringUtils.cpp',
+	'src/Multirole/YGOPro/LZMA/Alloc.c',
+	'src/Multirole/YGOPro/LZMA/LzFind.c',
+	'src/Multirole/YGOPro/LZMA/LzmaEnc.c'
 ])
 
 hornet_src_files = files([
@@ -77,6 +79,7 @@ hornet_src_files = files([
 
 executable('multirole', multirole_src_files,
 	c_args: [
+		'-D_7ZIP_ST',
 		'-D_SILENCE_ALL_CXX17_DEPRECATION_WARNINGS',
 		'-D_WINSOCK_DEPRECATED_NO_WARNINGS',
 		'-DNOMINMAX'
@@ -92,7 +95,6 @@ executable('multirole', multirole_src_files,
 		dl_dep,
 		fmt_dep,
 		libgit2_dep,
-		lzma_dep,
 		openssl_dep,
 		rt_dep,
 		sqlite3_dep,