diff --git a/ports/pcre/fix-arm-config-define.patch b/ports/pcre/fix-arm-config-define.patch
new file mode 100644
index 000000000..94ca808c3
--- /dev/null
+++ b/ports/pcre/fix-arm-config-define.patch
@@ -0,0 +1,54 @@
+diff --git a/sljit/sljitConfigInternal.h b/sljit/sljitConfigInternal.h
+index 4dc452f..5a9827d 100644
+--- "a/sljit/sljitConfigInternal.h"
++++ "b/sljit/sljitConfigInternal.h"
+@@ -149,7 +149,7 @@
+ 
+ #if defined(_M_X64) || defined(__x86_64__)
+ #define SLJIT_CONFIG_X86_64 1
+-#elif defined(_ARM_)
++#elif defined(_M_ARM)
+ #define SLJIT_CONFIG_ARM_V5 1
+ #else
+ #define SLJIT_CONFIG_X86_32 1
+@@ -332,9 +332,16 @@
+ 
+ #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")
++uint32_t FlushInstructionCache(void *hProcess, void *lpBaseAddress, uintptr_t dwSize);
++#define SLJIT_CACHE_FLUSH(from, to) \
++	FlushInstructionCache(GetCurrentProcess(), (void*)(from), (uintptr_t)(to - from));
++#endif
+ 
+ #endif
+ 
+diff --git "a/sljit/sljitNativeARM_32.c" "b/sljit/sljitNativeARM_32.c"
+index a756f82..86bdcbb 100644
+--- "a/sljit/sljitNativeARM_32.c"
++++ "b/sljit/sljitNativeARM_32.c"
+@@ -1798,7 +1798,8 @@ extern "C" {
+ extern unsigned int __aeabi_uidivmod(unsigned int numerator, unsigned int denominator);
+ extern int __aeabi_idivmod(int numerator, int denominator);
+ #else
+-#error "Software divmod functions are needed"
++extern unsigned int __aeabi_uidivmod(unsigned int numerator, unsigned int denominator);
++extern int __aeabi_idivmod(int numerator, int denominator);
+ #endif
+ 
+ #ifdef __cplusplus
+@@ -1852,7 +1853,8 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compile
+ 		FAIL_IF(sljit_emit_ijump(compiler, SLJIT_FAST_CALL, SLJIT_IMM,
+ 			((op | 0x2) == SLJIT_DIV_UW ? SLJIT_FUNC_OFFSET(__aeabi_uidivmod) : SLJIT_FUNC_OFFSET(__aeabi_idivmod))));
+ #else
+-#error "Software divmod functions are needed"
++		FAIL_IF(sljit_emit_ijump(compiler, SLJIT_FAST_CALL, SLJIT_IMM,
++			((op | 0x2) == SLJIT_DIV_UW ? SLJIT_FUNC_OFFSET(__aeabi_uidivmod) : SLJIT_FUNC_OFFSET(__aeabi_idivmod))));
+ #endif
+ 
+ 		if ((op >= SLJIT_DIV_UW) && (compiler->scratches >= 3)) {
diff --git a/ports/pcre/fix-option.patch b/ports/pcre/fix-option.patch
index d1a2b13eb..bbaf4df91 100644
--- a/ports/pcre/fix-option.patch
+++ b/ports/pcre/fix-option.patch
@@ -2,12 +2,23 @@ diff --git a/CMakeLists.txt b/CMakeLists.txt
 index 42451ad..858a34b 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -191,7 +191,7 @@ IF (MINGW)
+@@ -74,7 +74,6 @@ PROJECT(PCRE C CXX)
+ # CMP0026 to avoid warnings for the use of LOCATION in GET_TARGET_PROPERTY.
+ 
+ CMAKE_MINIMUM_REQUIRED(VERSION 2.8.0)
+-CMAKE_POLICY(SET CMP0026 OLD)
+ 
+ SET(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake) # for FindReadline.cmake
+ 
+@@ -191,9 +190,8 @@ IF (MINGW)
  ENDIF(MINGW)
  
  IF(MSVC)
 -  OPTION(PCRE_STATIC_RUNTIME OFF CACHE BOOL
-+  OPTION(PCRE_STATIC_RUNTIME
- 	"ON=Compile against the static runtime (/MT)."
- 	OFF)
+-	"ON=Compile against the static runtime (/MT)."
+-	OFF)
++  add_definitions(/wd4703)
++  OPTION(PCRE_STATIC_RUNTIME "ON=Compile against the static runtime (/MT)." OFF)
    OPTION(INSTALL_MSVC_PDB
+          "ON=Install .pdb files built by MSVC, if generated"
+          OFF)
diff --git a/ports/pcre/portfile.cmake b/ports/pcre/portfile.cmake
index 3b310b7ea..9e5a933ff 100644
--- a/ports/pcre/portfile.cmake
+++ b/ports/pcre/portfile.cmake
@@ -18,7 +18,8 @@ vcpkg_download_distfile(ARCHIVE
 vcpkg_extract_source_archive(${ARCHIVE})
 
 vcpkg_apply_patches(SOURCE_PATH ${SOURCE_PATH}
-    PATCHES ${CMAKE_CURRENT_LIST_DIR}/fix-option.patch)
+    PATCHES ${CMAKE_CURRENT_LIST_DIR}/fix-option.patch
+	        ${CMAKE_CURRENT_LIST_DIR}/fix-arm-config-define.patch)
 
 vcpkg_configure_cmake(
     SOURCE_PATH ${SOURCE_PATH}