From 6166c1509a2d137bac94fbf5bd65e888d4696aad Mon Sep 17 00:00:00 2001
From: Tony Lin <tony-lin@outlook.com>
Date: Wed, 10 Apr 2019 11:21:17 +0000
Subject: [PATCH] Enable pcre2:arm64-windows

Update sljitConfigInternal.h for ARM64
---
 ports/pcre2/fix-arm64-config.patch | 29 +++++++++++++++++++++++++++++
 ports/pcre2/portfile.cmake         |  2 +-
 2 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100644 ports/pcre2/fix-arm64-config.patch

diff --git a/ports/pcre2/fix-arm64-config.patch b/ports/pcre2/fix-arm64-config.patch
new file mode 100644
index 0000000000..bba95718ae
--- /dev/null
+++ b/ports/pcre2/fix-arm64-config.patch
@@ -0,0 +1,29 @@
+diff --git a/src/sljit/sljitConfigInternal.h b/src/sljit/sljitConfigInternal.h
+index cc0810f..964afe8 100644
+--- a/src/sljit/sljitConfigInternal.h
++++ b/src/sljit/sljitConfigInternal.h
+@@ -151,6 +151,8 @@
+ #define SLJIT_CONFIG_X86_64 1
+ #elif defined(_ARM_)
+ #define SLJIT_CONFIG_ARM_V5 1
++#elif defined(_M_ARM64)
++#define SLJIT_CONFIG_ARM_64 1
+ #else
+ #define SLJIT_CONFIG_X86_32 1
+ #endif
+@@ -324,9 +326,15 @@
+ 
+ #else
+ 
++#if defined(__linux__)
+ /* Calls __ARM_NR_cacheflush on ARM-Linux. */
+ #define SLJIT_CACHE_FLUSH(from, to) \
+ 	__clear_cache((char*)(from), (char*)(to))
++#elif(_WIN32)
++#pragma comment(lib, "kernel32.lib")
++#define SLJIT_CACHE_FLUSH(from, to) \
++	FlushInstructionCache(GetCurrentProcess(), (void*)(from), (uintptr_t)(to - from));
++#endif
+ 
+ #endif
+ 
diff --git a/ports/pcre2/portfile.cmake b/ports/pcre2/portfile.cmake
index e2f5a702a1..82b9014d11 100644
--- a/ports/pcre2/portfile.cmake
+++ b/ports/pcre2/portfile.cmake
@@ -10,7 +10,7 @@ vcpkg_extract_source_archive_ex(
     OUT_SOURCE_PATH SOURCE_PATH
     ARCHIVE ${ARCHIVE}
     PATCHES fix-space.patch
-)
+            fix-arm64-config.patch)
 
 vcpkg_configure_cmake(
     SOURCE_PATH ${SOURCE_PATH}