replace preprocessor __try/__except hack with patch

Author: dicej

makefile

@@ -2278,6 +2278,9 @@ ifneq (7,$(openjdk-version))
 	if [ -f openjdk-patches/$(notdir $(<)).8.patch ]; then \
 		( cd $(build) && patch -p0 ) < openjdk-patches/$(notdir $(<)).8.patch; \
 	fi
+	if [ -f openjdk-patches/$(notdir $(<)).8.$(platform).patch ]; then \
+		( cd $(build) && patch -p0 ) < openjdk-patches/$(notdir $(<)).8.$(platform).patch; \
+	fi
 endif
 	if [ -f openjdk-patches/$(notdir $(<)).patch ]; then \
 		( cd $(build) && patch -p0 ) < openjdk-patches/$(notdir $(<)).patch; \

openjdk-patches/java_props_md.c.8.windows.patch

@@ -0,0 +1,24 @@
+--- openjdk/java_props_md.c
++++ openjdk/java_props_md.c
+@@ -212,17 +212,17 @@
+          * SHELL32 DLL is delay load DLL and we can use the trick with
+          * __try/__except block.
+          */
+-        __try {
++        /* __try { */
+             /*
+              * For Windows Vista and later (or patched MS OS) we need to use
+              * [SHGetKnownFolderPath] call to avoid MAX_PATH length limitation.
+              * Shell32.dll (version 6.0.6000 or later)
+              */
+             hr = SHGetKnownFolderPath(&FOLDERID_Profile, KF_FLAG_DONT_VERIFY, NULL, &u_path);
+-        } __except(EXCEPTION_EXECUTE_HANDLER) {
++        /* } __except(EXCEPTION_EXECUTE_HANDLER) { */
+             /* Exception: no [SHGetKnownFolderPath] entry */
+-            hr = E_FAIL;
+-        }
++        /*     hr = E_FAIL; */
++        /* } */
+ 
+         if (FAILED(hr)) {
+             WCHAR path[MAX_PATH+1];

openjdk-src.mk

@@ -252,9 +252,7 @@ ifeq ($(platform),windows)
 		-D_JAVASOFT_WIN32_TYPEDEF_MD_H_ \
 		-D_WIN32_WINNT=0x0600 \
 		-Ds6_words=_s6_words \
-		-Ds6_bytes=_s6_bytes \
-		"-D__try=if (1)" \
-		"-D__except(a)=else"
+		-Ds6_bytes=_s6_bytes
 
 		ifeq ($(arch),x86_64)
 			openjdk-cflags += "-I$(root)/win64/include"