Fix Win component build failure
Windows component build with clang has this compile error.
icu_63::uprv_detectWindowsTimeZone' should not add 'dllexport' attribute
[-Werror,-Wdll-attribute-on-redeclaration]
uprv_detectWindowsTimeZone()
Cherry-pick https://github.com/unicode-org/icu/pull/318
TBR=gsathya@chromium.org,ftang@chromium.org
Bug: 913298
Test: Windows component build compiles w/o any error.
Change-Id: I45fc8ac2c1f5fa7821178fea5985c5df6afea850
Reviewed-on: https://chromium-review.googlesource.com/c/1377561
Reviewed-by: Jungshik Shin <jshin@chromium.org>
diff --git a/README.chromium b/README.chromium
index 6b5200e..921a8c5 100644
--- a/README.chromium
+++ b/README.chromium
@@ -282,5 +282,4 @@
https://unicode-org.atlassian.net/browse/ICU-20302
- Fix:
https://github.com/unicode-org/icu/pull/315
-
-
+ https://github.com/unicode-org/icu/pull/318
diff --git a/patches/win7_tz.patch b/patches/win7_tz.patch
index 4406e6b..97fae84 100644
--- a/patches/win7_tz.patch
+++ b/patches/win7_tz.patch
@@ -29,3 +29,16 @@
if (U_FAILURE(status)) {
return nullptr;
+diff --git a/source/common/wintz.h b/source/common/wintz.h
+index f98b1779..cd8565ee 100644
+--- a/source/common/wintz.h
++++ b/source/common/wintz.h
+@@ -28,7 +28,7 @@ U_CDECL_BEGIN
+ typedef struct _TIME_ZONE_INFORMATION TIME_ZONE_INFORMATION;
+ U_CDECL_END
+
+-U_CFUNC const char* U_EXPORT2
++U_INTERNAL const char* U_EXPORT2
+ uprv_detectWindowsTimeZone();
+
+ #endif /* U_PLATFORM_USES_ONLY_WIN32_API */
diff --git a/source/common/wintz.h b/source/common/wintz.h
index f98b177..cd8565e 100644
--- a/source/common/wintz.h
+++ b/source/common/wintz.h
@@ -28,7 +28,7 @@
typedef struct _TIME_ZONE_INFORMATION TIME_ZONE_INFORMATION;
U_CDECL_END
-U_CFUNC const char* U_EXPORT2
+U_INTERNAL const char* U_EXPORT2
uprv_detectWindowsTimeZone();
#endif /* U_PLATFORM_USES_ONLY_WIN32_API */
