From dbd9b1c698f00bf132d8ddbf51c06a64970eb55c Mon Sep 17 00:00:00 2001
From: Alibek Omarov <a1ba.omarov@gmail.com>
Date: Mon, 28 Sep 2020 16:21:15 +0300
Subject: [PATCH] public: build: add ARMv8 32-bit support, in case of someone
 actually uses it

---
 cmake/LibraryNaming.cmake          |  8 +++++---
 public/build.h                     | 17 +++++++++--------
 scripts/waifulib/library_naming.py | 12 +++++++-----
 3 files changed, 21 insertions(+), 16 deletions(-)

diff --git a/cmake/LibraryNaming.cmake b/cmake/LibraryNaming.cmake
index 22581078..f4e3d4b0 100644
--- a/cmake/LibraryNaming.cmake
+++ b/cmake/LibraryNaming.cmake
@@ -7,13 +7,13 @@ check_symbol_exists(XASH_AMD64 "build.h" XASH_AMD64)
 check_symbol_exists(XASH_ANDROID "build.h" XASH_ANDROID)
 check_symbol_exists(XASH_APPLE "build.h" XASH_APPLE)
 check_symbol_exists(XASH_ARM "build.h" XASH_ARM)
-check_symbol_exists(XASH_ARM64 "build.h" XASH_ARM64)
 check_symbol_exists(XASH_ARM_HARDFP "build.h" XASH_ARM_HARDFP)
 check_symbol_exists(XASH_ARM_SOFTFP "build.h" XASH_ARM_SOFTFP)
 check_symbol_exists(XASH_ARMv4 "build.h" XASH_ARMv4)
 check_symbol_exists(XASH_ARMv5 "build.h" XASH_ARMv5)
 check_symbol_exists(XASH_ARMv6 "build.h" XASH_ARMv6)
 check_symbol_exists(XASH_ARMv7 "build.h" XASH_ARMv7)
+check_symbol_exists(XASH_ARMv8 "build.h" XASH_ARMv8)
 check_symbol_exists(XASH_BIG_ENDIAN "build.h" XASH_BIG_ENDIAN)
 check_symbol_exists(XASH_BSD "build.h" XASH_BSD)
 check_symbol_exists(XASH_E2K "build.h" XASH_E2K)
@@ -55,11 +55,13 @@ if(XASH_AMD64)
 	set(BUILDARCH "amd64")
 elseif(XASH_X86)
 	set(BUILDARCH "")
-elseif(XASH_ARM64)
+elseif(XASH_ARM AND XASH_64BIT)
 	set(BUILDARCH "arm64")
 elseif(XASH_ARM)
 	set(BUILDARCH "armv")
-	if(XASH_ARMv7)
+	if(XASH_ARMv8)
+		set(BUILDARCH "${BUILDARCH}8_32")
+	elseif(XASH_ARMv7)
 		set(BUILDARCH "${BUILDARCH}7")
 	elseif(XASH_ARMv6)
 		set(BUILDARCH "${BUILDARCH}6")
diff --git a/public/build.h b/public/build.h
index a087c22c..043a11cd 100644
--- a/public/build.h
+++ b/public/build.h
@@ -45,13 +45,13 @@ For more information, please refer to <http://unlicense.org/>
 #undef XASH_ANDROID
 #undef XASH_APPLE
 #undef XASH_ARM
-#undef XASH_ARM64
 #undef XASH_ARM_HARDFP
 #undef XASH_ARM_SOFTFP
 #undef XASH_ARMv4
 #undef XASH_ARMv5
 #undef XASH_ARMv6
 #undef XASH_ARMv7
+#undef XASH_ARMv8
 //#undef XASH_BIG_ENDIAN
 #undef XASH_BSD
 #undef XASH_E2K
@@ -169,14 +169,13 @@ For more information, please refer to <http://unlicense.org/>
 	#define XASH_AMD64 1
 #elif defined(__i386__) || defined(_X86_) || defined(_M_IX86)
 	#define XASH_X86 1
-#elif defined __aarch64__
+#elif defined __aarch64__ || defined _M_ARM64
 	#define XASH_64BIT 1
-	#define XASH_ARM64 1
+	#define XASH_ARM 8
 #elif defined __arm__ || defined _M_ARM
-	#if defined _M_ARM
-		// msvc can only armv7 ?
-		#define XASH_ARM 7
-	#elif __ARM_ARCH == 7 || __ARM_ARCH_7__
+	#if __ARM_ARCH == 8 || __ARM_ARCH_8__
+		#define XASH_ARM 8
+	#elif __ARM_ARCH == 7 || __ARM_ARCH_7__ || defined _M_ARM // msvc can only armv7 in 32 bit
 		#define XASH_ARM 7
 	#elif __ARM_ARCH == 6 || __ARM_ARCH_6__ || __ARM_ARCH_6J__
 		#define XASH_ARM 6
@@ -212,7 +211,9 @@ For more information, please refer to <http://unlicense.org/>
 	#define XASH_64BIT 1
 #endif
 
-#if XASH_ARM == 7
+#if XASH_ARM == 8
+	#define XASH_ARMv8 1
+#elif XASH_ARM == 7
 	#define XASH_ARMv7 1
 #elif XASH_ARM == 6
 	#define XASH_ARMv6 1
diff --git a/scripts/waifulib/library_naming.py b/scripts/waifulib/library_naming.py
index 827ef76c..6ee9a725 100644
--- a/scripts/waifulib/library_naming.py
+++ b/scripts/waifulib/library_naming.py
@@ -25,13 +25,13 @@ DEFINES = [
 'XASH_ANDROID',
 'XASH_APPLE',
 'XASH_ARM',
-'XASH_ARM64',
 'XASH_ARM_HARDFP',
 'XASH_ARM_SOFTFP',
 'XASH_ARMv4',
 'XASH_ARMv5',
 'XASH_ARMv6',
 'XASH_ARMv7',
+'XASH_ARMv8',
 'XASH_BIG_ENDIAN',
 'XASH_BSD',
 'XASH_E2K',
@@ -61,9 +61,9 @@ def configure(conf):
 		'fragment': CHECK_SYMBOL_EXISTS_FRAGMENT % (x, x),
 		'includes': [conf.path.find_node('public/').abspath()],
 		'define_name': x }, DEFINES )
-	
+
 	conf.multicheck(*tests, msg = '', mandatory = False, quiet = True)
-	
+
 	# engine/common/build.c
 	if conf.env.XASH_ANDROID:
 		buildos = "android"
@@ -87,11 +87,13 @@ def configure(conf):
 		buildarch = "amd64"
 	elif conf.env.XASH_X86:
 		buildarch = ""
-	elif conf.env.XASH_ARM64:
+	elif conf.env.XASH_ARM and conf.env.XASH_64BIT:
 		buildarch = "arm64"
 	elif conf.env.XASH_ARM:
 		buildarch = "armv"
-		if conf.env.XASH_ARMv7:
+		if conf.env.XASH_ARMv8:
+			buildarch += "8_32"
+		elif conf.env.XASH_ARMv7:
 			buildarch += "7"
 		elif conf.env.XASH_ARMv6:
 			buildarch += "6"