From 885ccb46a35b682cd23c5dd4761f7d932f88e246 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C5=99emysl=20Eric=20Janouch?= <p@janouch.name>
Date: Fri, 22 Oct 2021 21:53:35 +0200
Subject: Win32Depends.cmake: get rid of 7z

CMake 3.9 has been proven to successfully unpack 7z archives.
---
 Win32Depends.cmake | 69 +++++++++++-------------------------------------------
 1 file changed, 14 insertions(+), 55 deletions(-)

diff --git a/Win32Depends.cmake b/Win32Depends.cmake
index 515072c..ba486fe 100644
--- a/Win32Depends.cmake
+++ b/Win32Depends.cmake
@@ -1,13 +1,11 @@
 # Usage: cmake -P Win32Depends.cmake
 
-# Only CMake 3.1+ supports XZ archives and 7z doesn't also untar automatically
-cmake_minimum_required (VERSION 3.1)
+# Only CMake 3.1+ supports XZ archives, not sure when 7z support comes from
+cmake_minimum_required (VERSION 3.9)
 
 # Directories
 set (working_dir ${CMAKE_CURRENT_BINARY_DIR}/win32-depends)
 set (pkg_dir ${working_dir}/packages)
-set (tools_dir ${working_dir}/tools)
-set (sevenzip_executable ${tools_dir}/7za)
 set (tmp_dir ${working_dir}/tmp)
 file (MAKE_DIRECTORY ${working_dir})
 file (MAKE_DIRECTORY ${pkg_dir})
@@ -21,11 +19,7 @@ if (files)
 endif (files)
 
 # Packages
-set (pkg_list "7za" "gtk" "gtkalt" "winlibs" "mingw_lua")
-
-set (pkg_7za_root "http://sourceforge.net/projects/sevenzip/files")
-set (pkg_7za_urls "${pkg_7za_root}/7-Zip/9.20/7za920.zip")
-set (pkg_7za_md5 "2fac454a90ae96021f4ffc607d4c00f8")
+set (pkg_list "gtk" "gtkalt" "winlibs" "mingw_lua")
 
 set (pkg_gtk_root "http://ftp.gnome.org/pub/gnome/binaries/win32")
 set (pkg_gtk_urls
@@ -68,11 +62,11 @@ foreach (pkg_set ${pkg_list})
 			message (WARNING "MD5 checksum missing for ${basename}")
 			set (pkg_md5_sum)
 			set (pkg_md5_param)
-		else (NOT pkg_md5)
+		else ()
 			list (GET pkg_md5 0 pkg_md5_sum)
 			list (REMOVE_AT pkg_md5 0)
 			set (pkg_md5_param EXPECTED_MD5 ${pkg_md5_sum})
-		endif (NOT pkg_md5)
+		endif ()
 
 		if (NOT EXISTS ${filename})
 			message (STATUS "Downloading ${url}...")
@@ -90,74 +84,39 @@ foreach (pkg_set ${pkg_list})
 			if (NOT output MATCHES "^${pkg_md5_sum}")
 				message (FATAL_ERROR "MD5 mismatch for ${basename}")
 			endif (NOT output MATCHES "^${pkg_md5_sum}")
-		endif (NOT EXISTS ${filename})
+		endif ()
 	endforeach (url)
 endforeach (pkg_set)
 
-if (NOT WIN32)
-	unset (sevenzip_executable)
-	find_program (sevenzip_executable 7za)
-	if (NOT sevenzip_executable)
-		message (FATAL_ERROR "Could not find 7za (part of p7zip)")
-	endif (NOT sevenzip_executable)
-endif (NOT WIN32)
-
-# Stage 2: setup 7za first
-file (MAKE_DIRECTORY ${tmp_dir})
-foreach (url ${pkg_7za_urls})
-	get_filename_component (filename ${url} NAME)
-	message (STATUS "Extracting ${filename}...")
-
-	set (filename ${pkg_dir}/${filename})
-	execute_process (COMMAND ${CMAKE_COMMAND} -E tar xf ${filename}
-		WORKING_DIRECTORY ${tmp_dir}
-		RESULT_VARIABLE status)
-	if (status)
-		message (FATAL_ERROR "Extraction failed: ${status}")
-	endif (status)
-endforeach (url)
-
-file (MAKE_DIRECTORY ${tools_dir})
-file (COPY ${tmp_dir}/7za.exe DESTINATION ${tools_dir})
-file (REMOVE_RECURSE ${tmp_dir})
-list (REMOVE_ITEM pkg_list "7za")
-
-# Stage 3: extract the rest of packages
+# Stage 2: extract the rest of packages
 foreach (pkg_set ${pkg_list})
 	foreach (url ${pkg_${pkg_set}_urls})
 		get_filename_component (filename ${url} NAME)
 		message (STATUS "Extracting ${filename}...")
-
-		if (filename MATCHES "\\.7z$")
-			set (extract_command ${sevenzip_executable} x)
-			set (quiet OUTPUT_QUIET)
-		else (filename MATCHES "\\.7z$")
-			set (extract_command ${CMAKE_COMMAND} -E tar xf)
-			set (quiet)
-		endif (filename MATCHES "\\.7z$")
+		set (extract_command ${CMAKE_COMMAND} -E tar xf)
 
 		set (filename ${pkg_dir}/${filename})
 		if (pkg_${pkg_set}_strip)
 			file (MAKE_DIRECTORY ${tmp_dir})
 			execute_process (COMMAND ${extract_command} ${filename}
 				WORKING_DIRECTORY ${tmp_dir}
-				RESULT_VARIABLE status ${quiet})
+				RESULT_VARIABLE status)
 			file (COPY ${tmp_dir}/${pkg_${pkg_set}_strip}/
 				DESTINATION ${working_dir})
 			file (REMOVE_RECURSE ${tmp_dir})
-		else (pkg_${pkg_set}_strip)
+		else ()
 			execute_process (COMMAND ${extract_command} ${filename}
 				WORKING_DIRECTORY ${working_dir}
-				RESULT_VARIABLE status ${quiet})
-		endif (pkg_${pkg_set}_strip)
+				RESULT_VARIABLE status)
+		endif ()
 
 		if (status)
 			message (FATAL_ERROR "Extraction failed: ${status}")
-		endif (status)
+		endif ()
 	endforeach (url)
 endforeach (pkg_set)
 
-# Stage 4: final touches
+# Stage 3: final touches
 # We have to fix the prefix path as it is completely wrong everywhere
 file (GLOB files ${working_dir}/lib/pkgconfig/*.pc)
 foreach (file ${files})
-- 
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