Disable exe icons in mingw ghactions builds

So 1ef0c1a didn't help at all, great. Either I'm terrible enough at C++ to get the same thing wrong twice, or this is a mingw bug, in which case I'm not willing to waste time trying to figure it out.

.github/build.sh

@@ -309,6 +309,9 @@ if [[ $RELEASE_TYPE != dev ]]; then
 fi
 if [[ "$BSH_HOST_PLATFORM-$BSH_HOST_LIBC" == "windows-mingw" ]]; then
 	meson_configure+=$'\t'--cross-file=.github/mingw-ghactions.ini
+	# there is some mingw bug that only ever manifests on ghactions which makes MakeIco.exe use tons of memory and fail
+	# TODO: remove this hack once we figure out how to fix that
+	meson_configure+=$'\t'-Dwindows_icons=false
 fi
 if [[ $BSH_DEBUG_RELEASE-$BSH_STATIC_DYNAMIC == release-static ]]; then
 	meson_configure+=$'\t'-Db_lto=true

meson_options.txt

@@ -293,3 +293,9 @@ option(
 	value: 'auto',
 	description: 'Show blue error screen upon unhandled signals and exceptions'
 )
+option(
+	'windows_icons',
+	type: 'boolean',
+	value: true,
+	description: 'Add icon resources to the executable on Windows'
+)

resources/meson.build

@@ -32,42 +32,52 @@ else
 endif
 
 if host_platform == 'windows'
-	make_ico = executable('makeico', sources: 'MakeIco.cpp', native: true)
-	generated_win_icos = {}
-	win_icos = {
-		'icon_exe': [ 'icon_exe', 'icon_exe_48', 'icon_exe_32', 'icon_exe_16' ],
-		'icon_cps': [ 'icon_cps', 'icon_cps_48', 'icon_cps_32', 'icon_cps_16' ],
-	}
-	foreach key, icons : win_icos
-		command = [
-			make_ico,
-			'@OUTPUT@',
-		]
-		foreach ikey : icons
-			command += [ rendered_icons[ikey] ]
+	windows_icons = get_option('windows_icons')
+	rc_conf_depends = []
+	icon_exe_ico_path = ''
+	icon_cps_ico_path = ''
+	if windows_icons
+		make_ico = executable('makeico', sources: 'MakeIco.cpp', native: true)
+		generated_win_icos = {}
+		win_icos = {
+			'icon_exe': [ 'icon_exe', 'icon_exe_48', 'icon_exe_32', 'icon_exe_16' ],
+			'icon_cps': [ 'icon_cps', 'icon_cps_48', 'icon_cps_32', 'icon_cps_16' ],
+		}
+		foreach key, icons : win_icos
+			command = [
+				make_ico,
+				'@OUTPUT@',
+			]
+			foreach ikey : icons
+				command += [ rendered_icons[ikey] ]
+			endforeach
+			generated_win_icos += { key: custom_target(
+				key + '-ico',
+				output: key + '.ico',
+				command: command,
+			) }
 		endforeach
-		generated_win_icos += { key: custom_target(
-			key + '-ico',
-			output: key + '.ico',
-			command: command,
-		) }
-	endforeach
+		rc_conf_depends += [
+			generated_win_icos['icon_exe'],
+			generated_win_icos['icon_cps'],
+		]
+		icon_exe_ico_path = join_paths(meson.current_build_dir(), 'icon_exe.ico')
+		icon_cps_ico_path = join_paths(meson.current_build_dir(), 'icon_cps.ico')
+	endif
 	rc_conf_data = configuration_data()
 	rc_conf_data.merge_from(conf_data)
+	rc_conf_data.set('HAVE_ICONS', windows_icons ? 1 : 0)
 	rc_conf_data.set('RESOUCE_H', join_paths(meson.current_source_dir(), 'resource.h'))
 	rc_conf_data.set('WINUTF8_XML', join_paths(meson.current_source_dir(), 'winutf8.xml'))
-	rc_conf_data.set('ICON_EXE_ICO', join_paths(meson.current_build_dir(), 'icon_exe.ico'))
-	rc_conf_data.set('ICON_CPS_ICO', join_paths(meson.current_build_dir(), 'icon_cps.ico'))
+	rc_conf_data.set('ICON_EXE_ICO', icon_exe_ico_path)
+	rc_conf_data.set('ICON_CPS_ICO', icon_cps_ico_path)
 	powder_files += windows_mod.compile_resources(
 		configure_file(
 			input: 'powder-res.template.rc',
 			output: 'powder-res.rc',
 			configuration: rc_conf_data,
 		),
-		depends: [
-			generated_win_icos['icon_exe'],
-			generated_win_icos['icon_cps'],
-		],
+		depends: rc_conf_depends,
 		depend_files: [
 			'resource.h',
 			'winutf8.xml',

resources/powder-res.template.rc

@@ -5,8 +5,11 @@
 #include <winver.h>
 #include <ntdef.h>
 
+#define HAVE_ICONS @HAVE_ICONS@
+#if HAVE_ICONS
 IDI_ICON ICON DISCARDABLE "@ICON_EXE_ICO@"
 IDI_DOC_ICON ICON DISCARDABLE "@ICON_CPS_ICO@"
+#endif
 CREATEPROCESS_MANIFEST_RESOURCE_ID RT_MANIFEST "@WINUTF8_XML@"
 
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