Extracted private GetTimeZone() to public wxGetTimeZone() function.

Created new wx/time.h header for this function, more time-related functions
will be added to it later.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@69836 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

Makefile.in

@@ -439,6 +439,7 @@ ALL_BASE_HEADERS =  \
 	wx/textfile.h \
 	wx/thread.h \
 	wx/thrimpl.cpp \
+	wx/time.h \
 	wx/timer.h \
 	wx/tls.h \
 	wx/tokenzr.h \
@@ -618,6 +619,7 @@ ALL_PORTS_BASE_HEADERS =  \
 	wx/textfile.h \
 	wx/thread.h \
 	wx/thrimpl.cpp \
+	wx/time.h \
 	wx/timer.h \
 	wx/tls.h \
 	wx/tokenzr.h \
@@ -785,6 +787,7 @@ ALL_BASE_SOURCES =  \
 	src/common/tarstrm.cpp \
 	src/common/textbuf.cpp \
 	src/common/textfile.cpp \
+	src/common/time.cpp \
 	src/common/timercmn.cpp \
 	src/common/timerimpl.cpp \
 	src/common/tokenzr.cpp \
@@ -984,6 +987,7 @@ MONODLL_OBJECTS =  \
 	monodll_tarstrm.o \
 	monodll_textbuf.o \
 	monodll_textfile.o \
+	monodll_common_time.o \
 	monodll_timercmn.o \
 	monodll_timerimpl.o \
 	monodll_tokenzr.o \
@@ -1117,6 +1121,7 @@ MONOLIB_OBJECTS =  \
 	monolib_tarstrm.o \
 	monolib_textbuf.o \
 	monolib_textfile.o \
+	monolib_common_time.o \
 	monolib_timercmn.o \
 	monolib_timerimpl.o \
 	monolib_tokenzr.o \
@@ -1245,6 +1250,7 @@ BASEDLL_OBJECTS =  \
 	basedll_tarstrm.o \
 	basedll_textbuf.o \
 	basedll_textfile.o \
+	basedll_common_time.o \
 	basedll_timercmn.o \
 	basedll_timerimpl.o \
 	basedll_tokenzr.o \
@@ -1356,6 +1362,7 @@ BASELIB_OBJECTS =  \
 	baselib_tarstrm.o \
 	baselib_textbuf.o \
 	baselib_textfile.o \
+	baselib_common_time.o \
 	baselib_timercmn.o \
 	baselib_timerimpl.o \
 	baselib_tokenzr.o \
@@ -4419,7 +4426,7 @@ COND_PLATFORM_WIN32_1___BASE_PLATFORM_SRC_OBJECTS =  \
 	monodll_fswatcher.o \
 	$(__BASE_WINCE_SRC_OBJECTS)
 @COND_PLATFORM_WIN32_1@__BASE_PLATFORM_SRC_OBJECTS = $(COND_PLATFORM_WIN32_1___BASE_PLATFORM_SRC_OBJECTS)
-@COND_TOOLKIT_WINCE@__BASE_WINCE_SRC_OBJECTS = monodll_time.o
+@COND_TOOLKIT_WINCE@__BASE_WINCE_SRC_OBJECTS = monodll_wince_time.o
 @COND_PLATFORM_MSDOS_1@__BASE_AND_GUI_PLATFORM_SRC_OBJECTS = 
 @COND_PLATFORM_WIN32_1@__BASE_AND_GUI_PLATFORM_SRC_OBJECTS \
 @COND_PLATFORM_WIN32_1@	= monodll_msw_evtloop.o monodll_msw_main.o \
@@ -6377,7 +6384,7 @@ COND_PLATFORM_WIN32_1___BASE_PLATFORM_SRC_OBJECTS_1 =  \
 	monolib_fswatcher.o \
 	$(__BASE_WINCE_SRC_OBJECTS_1)
 @COND_PLATFORM_WIN32_1@__BASE_PLATFORM_SRC_OBJECTS_1 = $(COND_PLATFORM_WIN32_1___BASE_PLATFORM_SRC_OBJECTS_1)
-@COND_TOOLKIT_WINCE@__BASE_WINCE_SRC_OBJECTS_1 = monolib_time.o
+@COND_TOOLKIT_WINCE@__BASE_WINCE_SRC_OBJECTS_1 = monolib_wince_time.o
 @COND_PLATFORM_MSDOS_1@__BASE_AND_GUI_PLATFORM_SRC_OBJECTS_1 = 
 @COND_PLATFORM_WIN32_1@__BASE_AND_GUI_PLATFORM_SRC_OBJECTS_1 \
 @COND_PLATFORM_WIN32_1@	= monolib_msw_evtloop.o monolib_msw_main.o \
@@ -8388,7 +8395,7 @@ COND_PLATFORM_WIN32_1___BASE_PLATFORM_SRC_OBJECTS_2 =  \
 	basedll_fswatcher.o \
 	$(__BASE_WINCE_SRC_OBJECTS_2)
 @COND_PLATFORM_WIN32_1@__BASE_PLATFORM_SRC_OBJECTS_2 = $(COND_PLATFORM_WIN32_1___BASE_PLATFORM_SRC_OBJECTS_2)
-@COND_TOOLKIT_WINCE@__BASE_WINCE_SRC_OBJECTS_2 = basedll_time.o
+@COND_TOOLKIT_WINCE@__BASE_WINCE_SRC_OBJECTS_2 = basedll_wince_time.o
 @COND_PLATFORM_MSDOS_1@__BASE_AND_GUI_PLATFORM_SRC_OBJECTS_2 = 
 @COND_PLATFORM_WIN32_1@__BASE_AND_GUI_PLATFORM_SRC_OBJECTS_2 \
 @COND_PLATFORM_WIN32_1@	= basedll_evtloop.o basedll_main.o basedll_mslu.o \
@@ -8488,7 +8495,7 @@ COND_PLATFORM_WIN32_1___BASE_PLATFORM_SRC_OBJECTS_3 =  \
 	baselib_fswatcher.o \
 	$(__BASE_WINCE_SRC_OBJECTS_3)
 @COND_PLATFORM_WIN32_1@__BASE_PLATFORM_SRC_OBJECTS_3 = $(COND_PLATFORM_WIN32_1___BASE_PLATFORM_SRC_OBJECTS_3)
-@COND_TOOLKIT_WINCE@__BASE_WINCE_SRC_OBJECTS_3 = baselib_time.o
+@COND_TOOLKIT_WINCE@__BASE_WINCE_SRC_OBJECTS_3 = baselib_wince_time.o
 @COND_PLATFORM_MSDOS_1@__BASE_AND_GUI_PLATFORM_SRC_OBJECTS_3 = 
 @COND_PLATFORM_WIN32_1@__BASE_AND_GUI_PLATFORM_SRC_OBJECTS_3 \
 @COND_PLATFORM_WIN32_1@	= baselib_evtloop.o baselib_main.o baselib_mslu.o \
@@ -15877,6 +15884,9 @@ monodll_textbuf.o: $(srcdir)/src/common/textbuf.cpp $(MONODLL_ODEP)
 monodll_textfile.o: $(srcdir)/src/common/textfile.cpp $(MONODLL_ODEP)
 	$(CXXC) -c -o $@ $(MONODLL_CXXFLAGS) $(srcdir)/src/common/textfile.cpp
 
+monodll_common_time.o: $(srcdir)/src/common/time.cpp $(MONODLL_ODEP)
+	$(CXXC) -c -o $@ $(MONODLL_CXXFLAGS) $(srcdir)/src/common/time.cpp
+
 monodll_timercmn.o: $(srcdir)/src/common/timercmn.cpp $(MONODLL_ODEP)
 	$(CXXC) -c -o $@ $(MONODLL_CXXFLAGS) $(srcdir)/src/common/timercmn.cpp
 
@@ -15994,7 +16004,7 @@ monodll_msw_utilsexc.o: $(srcdir)/src/msw/utilsexc.cpp $(MONODLL_ODEP)
 monodll_fswatcher.o: $(srcdir)/src/msw/fswatcher.cpp $(MONODLL_ODEP)
 	$(CXXC) -c -o $@ $(MONODLL_CXXFLAGS) $(srcdir)/src/msw/fswatcher.cpp
 
-monodll_time.o: $(srcdir)/src/msw/wince/time.cpp $(MONODLL_ODEP)
+monodll_wince_time.o: $(srcdir)/src/msw/wince/time.cpp $(MONODLL_ODEP)
 	$(CXXC) -c -o $@ $(MONODLL_CXXFLAGS) $(srcdir)/src/msw/wince/time.cpp
 
 monodll_core_mimetype.o: $(srcdir)/src/osx/core/mimetype.cpp $(MONODLL_ODEP)
@@ -21262,6 +21272,9 @@ monolib_textbuf.o: $(srcdir)/src/common/textbuf.cpp $(MONOLIB_ODEP)
 monolib_textfile.o: $(srcdir)/src/common/textfile.cpp $(MONOLIB_ODEP)
 	$(CXXC) -c -o $@ $(MONOLIB_CXXFLAGS) $(srcdir)/src/common/textfile.cpp
 
+monolib_common_time.o: $(srcdir)/src/common/time.cpp $(MONOLIB_ODEP)
+	$(CXXC) -c -o $@ $(MONOLIB_CXXFLAGS) $(srcdir)/src/common/time.cpp
+
 monolib_timercmn.o: $(srcdir)/src/common/timercmn.cpp $(MONOLIB_ODEP)
 	$(CXXC) -c -o $@ $(MONOLIB_CXXFLAGS) $(srcdir)/src/common/timercmn.cpp
 
@@ -21379,7 +21392,7 @@ monolib_msw_utilsexc.o: $(srcdir)/src/msw/utilsexc.cpp $(MONOLIB_ODEP)
 monolib_fswatcher.o: $(srcdir)/src/msw/fswatcher.cpp $(MONOLIB_ODEP)
 	$(CXXC) -c -o $@ $(MONOLIB_CXXFLAGS) $(srcdir)/src/msw/fswatcher.cpp
 
-monolib_time.o: $(srcdir)/src/msw/wince/time.cpp $(MONOLIB_ODEP)
+monolib_wince_time.o: $(srcdir)/src/msw/wince/time.cpp $(MONOLIB_ODEP)
 	$(CXXC) -c -o $@ $(MONOLIB_CXXFLAGS) $(srcdir)/src/msw/wince/time.cpp
 
 monolib_core_mimetype.o: $(srcdir)/src/osx/core/mimetype.cpp $(MONOLIB_ODEP)
@@ -26647,6 +26660,9 @@ basedll_textbuf.o: $(srcdir)/src/common/textbuf.cpp $(BASEDLL_ODEP)
 basedll_textfile.o: $(srcdir)/src/common/textfile.cpp $(BASEDLL_ODEP)
 	$(CXXC) -c -o $@ $(BASEDLL_CXXFLAGS) $(srcdir)/src/common/textfile.cpp
 
+basedll_common_time.o: $(srcdir)/src/common/time.cpp $(BASEDLL_ODEP)
+	$(CXXC) -c -o $@ $(BASEDLL_CXXFLAGS) $(srcdir)/src/common/time.cpp
+
 basedll_timercmn.o: $(srcdir)/src/common/timercmn.cpp $(BASEDLL_ODEP)
 	$(CXXC) -c -o $@ $(BASEDLL_CXXFLAGS) $(srcdir)/src/common/timercmn.cpp
 
@@ -26764,7 +26780,7 @@ basedll_msw_utilsexc.o: $(srcdir)/src/msw/utilsexc.cpp $(BASEDLL_ODEP)
 basedll_fswatcher.o: $(srcdir)/src/msw/fswatcher.cpp $(BASEDLL_ODEP)
 	$(CXXC) -c -o $@ $(BASEDLL_CXXFLAGS) $(srcdir)/src/msw/fswatcher.cpp
 
-basedll_time.o: $(srcdir)/src/msw/wince/time.cpp $(BASEDLL_ODEP)
+basedll_wince_time.o: $(srcdir)/src/msw/wince/time.cpp $(BASEDLL_ODEP)
 	$(CXXC) -c -o $@ $(BASEDLL_CXXFLAGS) $(srcdir)/src/msw/wince/time.cpp
 
 basedll_core_mimetype.o: $(srcdir)/src/osx/core/mimetype.cpp $(BASEDLL_ODEP)
@@ -27151,6 +27167,9 @@ baselib_textbuf.o: $(srcdir)/src/common/textbuf.cpp $(BASELIB_ODEP)
 baselib_textfile.o: $(srcdir)/src/common/textfile.cpp $(BASELIB_ODEP)
 	$(CXXC) -c -o $@ $(BASELIB_CXXFLAGS) $(srcdir)/src/common/textfile.cpp
 
+baselib_common_time.o: $(srcdir)/src/common/time.cpp $(BASELIB_ODEP)
+	$(CXXC) -c -o $@ $(BASELIB_CXXFLAGS) $(srcdir)/src/common/time.cpp
+
 baselib_timercmn.o: $(srcdir)/src/common/timercmn.cpp $(BASELIB_ODEP)
 	$(CXXC) -c -o $@ $(BASELIB_CXXFLAGS) $(srcdir)/src/common/timercmn.cpp
 
@@ -27268,7 +27287,7 @@ baselib_msw_utilsexc.o: $(srcdir)/src/msw/utilsexc.cpp $(BASELIB_ODEP)
 baselib_fswatcher.o: $(srcdir)/src/msw/fswatcher.cpp $(BASELIB_ODEP)
 	$(CXXC) -c -o $@ $(BASELIB_CXXFLAGS) $(srcdir)/src/msw/fswatcher.cpp
 
-baselib_time.o: $(srcdir)/src/msw/wince/time.cpp $(BASELIB_ODEP)
+baselib_wince_time.o: $(srcdir)/src/msw/wince/time.cpp $(BASELIB_ODEP)
 	$(CXXC) -c -o $@ $(BASELIB_CXXFLAGS) $(srcdir)/src/msw/wince/time.cpp
 
 baselib_core_mimetype.o: $(srcdir)/src/osx/core/mimetype.cpp $(BASELIB_ODEP)

build/bakefiles/files.bkl

@@ -382,6 +382,7 @@ IMPORTANT: please read docs/tech/tn0016.txt before modifying this file!
     src/common/tarstrm.cpp
     src/common/textbuf.cpp
     src/common/textfile.cpp
+    src/common/time.cpp
     src/common/timercmn.cpp
     src/common/timerimpl.cpp
     src/common/tokenzr.cpp
@@ -527,6 +528,7 @@ IMPORTANT: please read docs/tech/tn0016.txt before modifying this file!
     wx/textfile.h
     wx/thread.h
     wx/thrimpl.cpp
+    wx/time.h
     wx/timer.h
     wx/tls.h
     wx/tokenzr.h

build/msw/makefile.bcc

@@ -390,6 +390,7 @@ MONODLL_OBJECTS =  \
 	$(OBJS)\monodll_tarstrm.obj \
 	$(OBJS)\monodll_textbuf.obj \
 	$(OBJS)\monodll_textfile.obj \
+	$(OBJS)\monodll_time.obj \
 	$(OBJS)\monodll_timercmn.obj \
 	$(OBJS)\monodll_timerimpl.obj \
 	$(OBJS)\monodll_tokenzr.obj \
@@ -538,6 +539,7 @@ MONOLIB_OBJECTS =  \
 	$(OBJS)\monolib_tarstrm.obj \
 	$(OBJS)\monolib_textbuf.obj \
 	$(OBJS)\monolib_textfile.obj \
+	$(OBJS)\monolib_time.obj \
 	$(OBJS)\monolib_timercmn.obj \
 	$(OBJS)\monolib_timerimpl.obj \
 	$(OBJS)\monolib_tokenzr.obj \
@@ -684,6 +686,7 @@ BASEDLL_OBJECTS =  \
 	$(OBJS)\basedll_tarstrm.obj \
 	$(OBJS)\basedll_textbuf.obj \
 	$(OBJS)\basedll_textfile.obj \
+	$(OBJS)\basedll_time.obj \
 	$(OBJS)\basedll_timercmn.obj \
 	$(OBJS)\basedll_timerimpl.obj \
 	$(OBJS)\basedll_tokenzr.obj \
@@ -814,6 +817,7 @@ BASELIB_OBJECTS =  \
 	$(OBJS)\baselib_tarstrm.obj \
 	$(OBJS)\baselib_textbuf.obj \
 	$(OBJS)\baselib_textfile.obj \
+	$(OBJS)\baselib_time.obj \
 	$(OBJS)\baselib_timercmn.obj \
 	$(OBJS)\baselib_timerimpl.obj \
 	$(OBJS)\baselib_tokenzr.obj \
@@ -6246,6 +6250,9 @@ $(OBJS)\monodll_textbuf.obj: ..\..\src\common\textbuf.cpp
 $(OBJS)\monodll_textfile.obj: ..\..\src\common\textfile.cpp
 	$(CXX) -q -c -P -o$@ $(MONODLL_CXXFLAGS) ..\..\src\common\textfile.cpp
 
+$(OBJS)\monodll_time.obj: ..\..\src\common\time.cpp
+	$(CXX) -q -c -P -o$@ $(MONODLL_CXXFLAGS) ..\..\src\common\time.cpp
+
 $(OBJS)\monodll_timercmn.obj: ..\..\src\common\timercmn.cpp
 	$(CXX) -q -c -P -o$@ $(MONODLL_CXXFLAGS) ..\..\src\common\timercmn.cpp
 
@@ -8648,6 +8655,9 @@ $(OBJS)\monolib_textbuf.obj: ..\..\src\common\textbuf.cpp
 $(OBJS)\monolib_textfile.obj: ..\..\src\common\textfile.cpp
 	$(CXX) -q -c -P -o$@ $(MONOLIB_CXXFLAGS) ..\..\src\common\textfile.cpp
 
+$(OBJS)\monolib_time.obj: ..\..\src\common\time.cpp
+	$(CXX) -q -c -P -o$@ $(MONOLIB_CXXFLAGS) ..\..\src\common\time.cpp
+
 $(OBJS)\monolib_timercmn.obj: ..\..\src\common\timercmn.cpp
 	$(CXX) -q -c -P -o$@ $(MONOLIB_CXXFLAGS) ..\..\src\common\timercmn.cpp
 
@@ -11050,6 +11060,9 @@ $(OBJS)\basedll_textbuf.obj: ..\..\src\common\textbuf.cpp
 $(OBJS)\basedll_textfile.obj: ..\..\src\common\textfile.cpp
 	$(CXX) -q -c -P -o$@ $(BASEDLL_CXXFLAGS) ..\..\src\common\textfile.cpp
 
+$(OBJS)\basedll_time.obj: ..\..\src\common\time.cpp
+	$(CXX) -q -c -P -o$@ $(BASEDLL_CXXFLAGS) ..\..\src\common\time.cpp
+
 $(OBJS)\basedll_timercmn.obj: ..\..\src\common\timercmn.cpp
 	$(CXX) -q -c -P -o$@ $(BASEDLL_CXXFLAGS) ..\..\src\common\timercmn.cpp
 
@@ -11386,6 +11399,9 @@ $(OBJS)\baselib_textbuf.obj: ..\..\src\common\textbuf.cpp
 $(OBJS)\baselib_textfile.obj: ..\..\src\common\textfile.cpp
 	$(CXX) -q -c -P -o$@ $(BASELIB_CXXFLAGS) ..\..\src\common\textfile.cpp
 
+$(OBJS)\baselib_time.obj: ..\..\src\common\time.cpp
+	$(CXX) -q -c -P -o$@ $(BASELIB_CXXFLAGS) ..\..\src\common\time.cpp
+
 $(OBJS)\baselib_timercmn.obj: ..\..\src\common\timercmn.cpp
 	$(CXX) -q -c -P -o$@ $(BASELIB_CXXFLAGS) ..\..\src\common\timercmn.cpp
 

build/msw/makefile.gcc

@@ -375,6 +375,7 @@ MONODLL_OBJECTS =  \
 	$(OBJS)\monodll_tarstrm.o \
 	$(OBJS)\monodll_textbuf.o \
 	$(OBJS)\monodll_textfile.o \
+	$(OBJS)\monodll_time.o \
 	$(OBJS)\monodll_timercmn.o \
 	$(OBJS)\monodll_timerimpl.o \
 	$(OBJS)\monodll_tokenzr.o \
@@ -524,6 +525,7 @@ MONOLIB_OBJECTS =  \
 	$(OBJS)\monolib_tarstrm.o \
 	$(OBJS)\monolib_textbuf.o \
 	$(OBJS)\monolib_textfile.o \
+	$(OBJS)\monolib_time.o \
 	$(OBJS)\monolib_timercmn.o \
 	$(OBJS)\monolib_timerimpl.o \
 	$(OBJS)\monolib_tokenzr.o \
@@ -671,6 +673,7 @@ BASEDLL_OBJECTS =  \
 	$(OBJS)\basedll_tarstrm.o \
 	$(OBJS)\basedll_textbuf.o \
 	$(OBJS)\basedll_textfile.o \
+	$(OBJS)\basedll_time.o \
 	$(OBJS)\basedll_timercmn.o \
 	$(OBJS)\basedll_timerimpl.o \
 	$(OBJS)\basedll_tokenzr.o \
@@ -802,6 +805,7 @@ BASELIB_OBJECTS =  \
 	$(OBJS)\baselib_tarstrm.o \
 	$(OBJS)\baselib_textbuf.o \
 	$(OBJS)\baselib_textfile.o \
+	$(OBJS)\baselib_time.o \
 	$(OBJS)\baselib_timercmn.o \
 	$(OBJS)\baselib_timerimpl.o \
 	$(OBJS)\baselib_tokenzr.o \
@@ -6414,6 +6418,9 @@ $(OBJS)\monodll_textbuf.o: ../../src/common/textbuf.cpp
 $(OBJS)\monodll_textfile.o: ../../src/common/textfile.cpp
 	$(CXX) -c -o $@ $(MONODLL_CXXFLAGS) $(CPPDEPS) $<
 
+$(OBJS)\monodll_time.o: ../../src/common/time.cpp
+	$(CXX) -c -o $@ $(MONODLL_CXXFLAGS) $(CPPDEPS) $<
+
 $(OBJS)\monodll_timercmn.o: ../../src/common/timercmn.cpp
 	$(CXX) -c -o $@ $(MONODLL_CXXFLAGS) $(CPPDEPS) $<
 
@@ -8816,6 +8823,9 @@ $(OBJS)\monolib_textbuf.o: ../../src/common/textbuf.cpp
 $(OBJS)\monolib_textfile.o: ../../src/common/textfile.cpp
 	$(CXX) -c -o $@ $(MONOLIB_CXXFLAGS) $(CPPDEPS) $<
 
+$(OBJS)\monolib_time.o: ../../src/common/time.cpp
+	$(CXX) -c -o $@ $(MONOLIB_CXXFLAGS) $(CPPDEPS) $<
+
 $(OBJS)\monolib_timercmn.o: ../../src/common/timercmn.cpp
 	$(CXX) -c -o $@ $(MONOLIB_CXXFLAGS) $(CPPDEPS) $<
 
@@ -11218,6 +11228,9 @@ $(OBJS)\basedll_textbuf.o: ../../src/common/textbuf.cpp
 $(OBJS)\basedll_textfile.o: ../../src/common/textfile.cpp
 	$(CXX) -c -o $@ $(BASEDLL_CXXFLAGS) $(CPPDEPS) $<
 
+$(OBJS)\basedll_time.o: ../../src/common/time.cpp
+	$(CXX) -c -o $@ $(BASEDLL_CXXFLAGS) $(CPPDEPS) $<
+
 $(OBJS)\basedll_timercmn.o: ../../src/common/timercmn.cpp
 	$(CXX) -c -o $@ $(BASEDLL_CXXFLAGS) $(CPPDEPS) $<
 
@@ -11554,6 +11567,9 @@ $(OBJS)\baselib_textbuf.o: ../../src/common/textbuf.cpp
 $(OBJS)\baselib_textfile.o: ../../src/common/textfile.cpp
 	$(CXX) -c -o $@ $(BASELIB_CXXFLAGS) $(CPPDEPS) $<
 
+$(OBJS)\baselib_time.o: ../../src/common/time.cpp
+	$(CXX) -c -o $@ $(BASELIB_CXXFLAGS) $(CPPDEPS) $<
+
 $(OBJS)\baselib_timercmn.o: ../../src/common/timercmn.cpp
 	$(CXX) -c -o $@ $(BASELIB_CXXFLAGS) $(CPPDEPS) $<
 

build/msw/makefile.vc

@@ -393,6 +393,7 @@ MONODLL_OBJECTS =  \
 	$(OBJS)\monodll_tarstrm.obj \
 	$(OBJS)\monodll_textbuf.obj \
 	$(OBJS)\monodll_textfile.obj \
+	$(OBJS)\monodll_time.obj \
 	$(OBJS)\monodll_timercmn.obj \
 	$(OBJS)\monodll_timerimpl.obj \
 	$(OBJS)\monodll_tokenzr.obj \
@@ -548,6 +549,7 @@ MONOLIB_OBJECTS =  \
 	$(OBJS)\monolib_tarstrm.obj \
 	$(OBJS)\monolib_textbuf.obj \
 	$(OBJS)\monolib_textfile.obj \
+	$(OBJS)\monolib_time.obj \
 	$(OBJS)\monolib_timercmn.obj \
 	$(OBJS)\monolib_timerimpl.obj \
 	$(OBJS)\monolib_tokenzr.obj \
@@ -699,6 +701,7 @@ BASEDLL_OBJECTS =  \
 	$(OBJS)\basedll_tarstrm.obj \
 	$(OBJS)\basedll_textbuf.obj \
 	$(OBJS)\basedll_textfile.obj \
+	$(OBJS)\basedll_time.obj \
 	$(OBJS)\basedll_timercmn.obj \
 	$(OBJS)\basedll_timerimpl.obj \
 	$(OBJS)\basedll_tokenzr.obj \
@@ -836,6 +839,7 @@ BASELIB_OBJECTS =  \
 	$(OBJS)\baselib_tarstrm.obj \
 	$(OBJS)\baselib_textbuf.obj \
 	$(OBJS)\baselib_textfile.obj \
+	$(OBJS)\baselib_time.obj \
 	$(OBJS)\baselib_timercmn.obj \
 	$(OBJS)\baselib_timerimpl.obj \
 	$(OBJS)\baselib_tokenzr.obj \
@@ -6852,6 +6856,9 @@ $(OBJS)\monodll_textbuf.obj: ..\..\src\common\textbuf.cpp
 $(OBJS)\monodll_textfile.obj: ..\..\src\common\textfile.cpp
 	$(CXX) /c /nologo /TP /Fo$@ $(MONODLL_CXXFLAGS) ..\..\src\common\textfile.cpp
 
+$(OBJS)\monodll_time.obj: ..\..\src\common\time.cpp
+	$(CXX) /c /nologo /TP /Fo$@ $(MONODLL_CXXFLAGS) ..\..\src\common\time.cpp
+
 $(OBJS)\monodll_timercmn.obj: ..\..\src\common\timercmn.cpp
 	$(CXX) /c /nologo /TP /Fo$@ $(MONODLL_CXXFLAGS) ..\..\src\common\timercmn.cpp
 
@@ -9254,6 +9261,9 @@ $(OBJS)\monolib_textbuf.obj: ..\..\src\common\textbuf.cpp
 $(OBJS)\monolib_textfile.obj: ..\..\src\common\textfile.cpp
 	$(CXX) /c /nologo /TP /Fo$@ $(MONOLIB_CXXFLAGS) ..\..\src\common\textfile.cpp
 
+$(OBJS)\monolib_time.obj: ..\..\src\common\time.cpp
+	$(CXX) /c /nologo /TP /Fo$@ $(MONOLIB_CXXFLAGS) ..\..\src\common\time.cpp
+
 $(OBJS)\monolib_timercmn.obj: ..\..\src\common\timercmn.cpp
 	$(CXX) /c /nologo /TP /Fo$@ $(MONOLIB_CXXFLAGS) ..\..\src\common\timercmn.cpp
 
@@ -11656,6 +11666,9 @@ $(OBJS)\basedll_textbuf.obj: ..\..\src\common\textbuf.cpp
 $(OBJS)\basedll_textfile.obj: ..\..\src\common\textfile.cpp
 	$(CXX) /c /nologo /TP /Fo$@ $(BASEDLL_CXXFLAGS) ..\..\src\common\textfile.cpp
 
+$(OBJS)\basedll_time.obj: ..\..\src\common\time.cpp
+	$(CXX) /c /nologo /TP /Fo$@ $(BASEDLL_CXXFLAGS) ..\..\src\common\time.cpp
+
 $(OBJS)\basedll_timercmn.obj: ..\..\src\common\timercmn.cpp
 	$(CXX) /c /nologo /TP /Fo$@ $(BASEDLL_CXXFLAGS) ..\..\src\common\timercmn.cpp
 
@@ -11992,6 +12005,9 @@ $(OBJS)\baselib_textbuf.obj: ..\..\src\common\textbuf.cpp
 $(OBJS)\baselib_textfile.obj: ..\..\src\common\textfile.cpp
 	$(CXX) /c /nologo /TP /Fo$@ $(BASELIB_CXXFLAGS) ..\..\src\common\textfile.cpp
 
+$(OBJS)\baselib_time.obj: ..\..\src\common\time.cpp
+	$(CXX) /c /nologo /TP /Fo$@ $(BASELIB_CXXFLAGS) ..\..\src\common\time.cpp
+
 $(OBJS)\baselib_timercmn.obj: ..\..\src\common\timercmn.cpp
 	$(CXX) /c /nologo /TP /Fo$@ $(BASELIB_CXXFLAGS) ..\..\src\common\timercmn.cpp
 

build/msw/makefile.wat

@@ -3911,6 +3911,7 @@ MONODLL_OBJECTS =  &
 	$(OBJS)\monodll_tarstrm.obj &
 	$(OBJS)\monodll_textbuf.obj &
 	$(OBJS)\monodll_textfile.obj &
+	$(OBJS)\monodll_time.obj &
 	$(OBJS)\monodll_timercmn.obj &
 	$(OBJS)\monodll_timerimpl.obj &
 	$(OBJS)\monodll_tokenzr.obj &
@@ -4058,6 +4059,7 @@ MONOLIB_OBJECTS =  &
 	$(OBJS)\monolib_tarstrm.obj &
 	$(OBJS)\monolib_textbuf.obj &
 	$(OBJS)\monolib_textfile.obj &
+	$(OBJS)\monolib_time.obj &
 	$(OBJS)\monolib_timercmn.obj &
 	$(OBJS)\monolib_timerimpl.obj &
 	$(OBJS)\monolib_tokenzr.obj &
@@ -4203,6 +4205,7 @@ BASEDLL_OBJECTS =  &
 	$(OBJS)\basedll_tarstrm.obj &
 	$(OBJS)\basedll_textbuf.obj &
 	$(OBJS)\basedll_textfile.obj &
+	$(OBJS)\basedll_time.obj &
 	$(OBJS)\basedll_timercmn.obj &
 	$(OBJS)\basedll_timerimpl.obj &
 	$(OBJS)\basedll_tokenzr.obj &
@@ -4333,6 +4336,7 @@ BASELIB_OBJECTS =  &
 	$(OBJS)\baselib_tarstrm.obj &
 	$(OBJS)\baselib_textbuf.obj &
 	$(OBJS)\baselib_textfile.obj &
+	$(OBJS)\baselib_time.obj &
 	$(OBJS)\baselib_timercmn.obj &
 	$(OBJS)\baselib_timerimpl.obj &
 	$(OBJS)\baselib_tokenzr.obj &
@@ -6685,6 +6689,9 @@ $(OBJS)\monodll_textbuf.obj :  .AUTODEPEND ..\..\src\common\textbuf.cpp
 $(OBJS)\monodll_textfile.obj :  .AUTODEPEND ..\..\src\common\textfile.cpp
 	$(CXX) -bt=nt -zq -fo=$^@ $(MONODLL_CXXFLAGS) $<
 
+$(OBJS)\monodll_time.obj :  .AUTODEPEND ..\..\src\common\time.cpp
+	$(CXX) -bt=nt -zq -fo=$^@ $(MONODLL_CXXFLAGS) $<
+
 $(OBJS)\monodll_timercmn.obj :  .AUTODEPEND ..\..\src\common\timercmn.cpp
 	$(CXX) -bt=nt -zq -fo=$^@ $(MONODLL_CXXFLAGS) $<
 
@@ -9087,6 +9094,9 @@ $(OBJS)\monolib_textbuf.obj :  .AUTODEPEND ..\..\src\common\textbuf.cpp
 $(OBJS)\monolib_textfile.obj :  .AUTODEPEND ..\..\src\common\textfile.cpp
 	$(CXX) -bt=nt -zq -fo=$^@ $(MONOLIB_CXXFLAGS) $<
 
+$(OBJS)\monolib_time.obj :  .AUTODEPEND ..\..\src\common\time.cpp
+	$(CXX) -bt=nt -zq -fo=$^@ $(MONOLIB_CXXFLAGS) $<
+
 $(OBJS)\monolib_timercmn.obj :  .AUTODEPEND ..\..\src\common\timercmn.cpp
 	$(CXX) -bt=nt -zq -fo=$^@ $(MONOLIB_CXXFLAGS) $<
 
@@ -11489,6 +11499,9 @@ $(OBJS)\basedll_textbuf.obj :  .AUTODEPEND ..\..\src\common\textbuf.cpp
 $(OBJS)\basedll_textfile.obj :  .AUTODEPEND ..\..\src\common\textfile.cpp
 	$(CXX) -bt=nt -zq -fo=$^@ $(BASEDLL_CXXFLAGS) $<
 
+$(OBJS)\basedll_time.obj :  .AUTODEPEND ..\..\src\common\time.cpp
+	$(CXX) -bt=nt -zq -fo=$^@ $(BASEDLL_CXXFLAGS) $<
+
 $(OBJS)\basedll_timercmn.obj :  .AUTODEPEND ..\..\src\common\timercmn.cpp
 	$(CXX) -bt=nt -zq -fo=$^@ $(BASEDLL_CXXFLAGS) $<
 
@@ -11825,6 +11838,9 @@ $(OBJS)\baselib_textbuf.obj :  .AUTODEPEND ..\..\src\common\textbuf.cpp
 $(OBJS)\baselib_textfile.obj :  .AUTODEPEND ..\..\src\common\textfile.cpp
 	$(CXX) -bt=nt -zq -fo=$^@ $(BASELIB_CXXFLAGS) $<
 
+$(OBJS)\baselib_time.obj :  .AUTODEPEND ..\..\src\common\time.cpp
+	$(CXX) -bt=nt -zq -fo=$^@ $(BASELIB_CXXFLAGS) $<
+
 $(OBJS)\baselib_timercmn.obj :  .AUTODEPEND ..\..\src\common\timercmn.cpp
 	$(CXX) -bt=nt -zq -fo=$^@ $(BASELIB_CXXFLAGS) $<
 

build/msw/wx_base.dsp

@@ -531,6 +531,10 @@ SOURCE=..\..\src\common\textfile.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=..\..\src\common\time.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=..\..\src\common\timercmn.cpp
 # End Source File
 # Begin Source File
@@ -1563,6 +1567,10 @@ SOURCE=..\..\include\wx\thread.h
 # End Source File
 # Begin Source File
 
+SOURCE=..\..\include\wx\time.h
+# End Source File
+# Begin Source File
+
 SOURCE=..\..\include\wx\timer.h
 # End Source File
 # Begin Source File

build/msw/wx_vc7_base.vcproj

@@ -837,6 +837,9 @@
 			<File
 				RelativePath="..\..\src\common\textfile.cpp">
 			</File>
+			<File
+				RelativePath="..\..\src\common\time.cpp">
+			</File>
 			<File
 				RelativePath="..\..\src\common\timercmn.cpp">
 			</File>
@@ -1596,6 +1599,9 @@
 			<File
 				RelativePath="..\..\include\wx\thread.h">
 			</File>
+			<File
+				RelativePath="..\..\include\wx\time.h">
+			</File>
 			<File
 				RelativePath="..\..\include\wx\timer.h">
 			</File>

build/msw/wx_vc8_base.vcproj

@@ -1150,6 +1150,10 @@
 				RelativePath="..\..\src\common\textfile.cpp"
 				>
 			</File>
+			<File
+				RelativePath="..\..\src\common\time.cpp"
+				>
+			</File>
 			<File
 				RelativePath="..\..\src\common\timercmn.cpp"
 				>
@@ -2149,6 +2153,10 @@
 				RelativePath="..\..\include\wx\thread.h"
 				>
 			</File>
+			<File
+				RelativePath="..\..\include\wx\time.h"
+				>
+			</File>
 			<File
 				RelativePath="..\..\include\wx\timer.h"
 				>

build/msw/wx_vc9_base.vcproj

@@ -1146,6 +1146,10 @@
 				RelativePath="..\..\src\common\textfile.cpp"
 				>
 			</File>
+			<File
+				RelativePath="..\..\src\common\time.cpp"
+				>
+			</File>
 			<File
 				RelativePath="..\..\src\common\timercmn.cpp"
 				>
@@ -2145,6 +2149,10 @@
 				RelativePath="..\..\include\wx\thread.h"
 				>
 			</File>
+			<File
+				RelativePath="..\..\include\wx\time.h"
+				>
+			</File>
 			<File
 				RelativePath="..\..\include\wx\timer.h"
 				>

include/wx/time.h

@@ -0,0 +1,17 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/time.h
+// Purpose:     Miscellaneous time-related functions.
+// Author:      Vadim Zeitlin
+// Created:     2011-11-26
+// RCS-ID:      $Id: wxhead.h,v 1.12 2010-04-22 12:44:51 zeitlin Exp $
+// Copyright:   (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_TIME_H_
+#define _WX_TIME_H_
+
+// Returns the difference between UTC and local time in seconds.
+WXDLLIMPEXP_BASE int wxGetTimeZone();
+
+#endif // _WX_TIME_H_

interface/wx/time.h

@@ -0,0 +1,21 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/time.h
+// Purpose:     Time-related functions.
+// Author:      Vadim Zeitlin
+// Created:     2011-11-27
+// RCS-ID:      $Id$
+// Copyright:   (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+/** @addtogroup group_funcmacro_time */
+//@{
+
+/**
+    Returns the difference between UTC and local time in seconds.
+
+    @header{wx/time.h}
+ */
+int wxGetTimeZone();
+
+//@}

src/common/datetime.cpp

@@ -75,6 +75,7 @@
 #endif // WX_PRECOMP
 
 #include "wx/thread.h"
+#include "wx/time.h"
 #include "wx/tokenzr.h"
 
 #include <ctype.h>
@@ -122,14 +123,6 @@ wxCUSTOM_TYPE_INFO(wxDateTime, wxToStringConverter<wxDateTime> , wxFromStringCon
     #include <values.h>
 #endif
 
-#ifndef WX_GMTOFF_IN_TM
-    // Define it for some systems which don't (always) use configure but are
-    // known to have tm_gmtoff field.
-    #if defined(__WXPALMOS__) || defined(__DARWIN__)
-        #define WX_GMTOFF_IN_TM
-    #endif
-#endif
-
 // NB: VC8 safe time functions could/should be used for wxMSW as well probably
 #if defined(__WXWINCE__) && defined(__VISUALC8__)
 
@@ -327,69 +320,6 @@ wxDateTime::wxDateTime_t GetNumOfDaysInMonth(int year, wxDateTime::Month month)
     return daysInMonth[wxDateTime::IsLeapYear(year)][month];
 }
 
-// returns the time zone in the C sense, i.e. the difference UTC - local
-// (in seconds)
-// NOTE: not static because used by datetimefmt.cpp
-int GetTimeZone()
-{
-#ifdef WX_GMTOFF_IN_TM
-    // set to true when the timezone is set
-    static bool s_timezoneSet = false;
-    static long gmtoffset = LONG_MAX; // invalid timezone
-
-    // ensure that the timezone variable is set by calling wxLocaltime_r
-    if ( !s_timezoneSet )
-    {
-        // just call wxLocaltime_r() instead of figuring out whether this
-        // system supports tzset(), _tzset() or something else
-        time_t t = time(NULL);
-        struct tm tm;
-
-        wxLocaltime_r(&t, &tm);
-        s_timezoneSet = true;
-
-        // note that GMT offset is the opposite of time zone and so to return
-        // consistent results in both WX_GMTOFF_IN_TM and !WX_GMTOFF_IN_TM
-        // cases we have to negate it
-        gmtoffset = -tm.tm_gmtoff;
-
-        // this function is supposed to return the same value whether DST is
-        // enabled or not, so we need to use an additional offset if DST is on
-        // as tm_gmtoff already does include it
-        if ( tm.tm_isdst )
-            gmtoffset += 3600;
-    }
-    return (int)gmtoffset;
-#elif defined(__DJGPP__) || defined(__WINE__)
-    struct timeb tb;
-    ftime(&tb);
-    return tb.timezone*60;
-#elif defined(__VISUALC__)
-    // We must initialize the time zone information before using it (this will
-    // be done only once internally).
-    _tzset();
-
-    // Starting with VC++ 8 timezone variable is deprecated and is not even
-    // available in some standard library version so use the new function for
-    // accessing it instead.
-    #if wxCHECK_VISUALC_VERSION(8)
-        long t;
-        _get_timezone(&t);
-        return t;
-    #else // VC++ < 8
-        return timezone;
-    #endif
-#elif defined(WX_TIMEZONE) // If WX_TIMEZONE was defined by configure, use it.
-    return WX_TIMEZONE;
-#elif defined(__BORLANDC__) || defined(__MINGW32__) || defined(__VISAGECPP__)
-    return _timezone;
-#elif defined(__MWERKS__)
-    return 28800;
-#else // unknown platform -- assume it has timezone
-    return timezone;
-#endif // WX_GMTOFF_IN_TM/!WX_GMTOFF_IN_TM
-}
-
 // return the integral part of the JDN for the midnight of the given date (to
 // get the real JDN you need to add 0.5, this is, in fact, JDN of the
 // noon of the previous day)
@@ -615,7 +545,7 @@ wxDateTime::TimeZone::TimeZone(wxDateTime::TZ tz)
         case wxDateTime::Local:
             // get the offset from C RTL: it returns the difference GMT-local
             // while we want to have the offset _from_ GMT, hence the '-'
-            m_offset = -GetTimeZone();
+            m_offset = -wxGetTimeZone();
             break;
 
         case wxDateTime::GMT_12:
@@ -1272,7 +1202,7 @@ wxDateTime& wxDateTime::Set(const struct tm& tm)
         if ( tm2.tm_year == 70 && tm2.tm_mon == 0 && tm2.tm_mday == 1 )
         {
             return Set((time_t)(
-                       GetTimeZone() +
+                       wxGetTimeZone() +
                        tm2.tm_hour * MIN_PER_HOUR * SEC_PER_MIN +
                        tm2.tm_min * SEC_PER_MIN +
                        tm2.tm_sec));
@@ -1386,7 +1316,7 @@ wxDateTime& wxDateTime::Set(wxDateTime_t day,
         m_time *= SECONDS_PER_DAY * TIME_T_FACTOR;
 
         // JDN corresponds to GMT, we take localtime
-        Add(wxTimeSpan(hour, minute, second + GetTimeZone(), millisec));
+        Add(wxTimeSpan(hour, minute, second + wxGetTimeZone(), millisec));
     }
 
     return *this;
@@ -1525,7 +1455,7 @@ wxDateTime::Tm wxDateTime::GetTm(const TimeZone& tz) const
         // use C RTL functions
         struct tm tmstruct;
         tm *tm;
-        if ( tz.GetOffset() == -GetTimeZone() )
+        if ( tz.GetOffset() == -wxGetTimeZone() )
         {
             // we are working with local time
             tm = wxLocaltime_r(&time, &tmstruct);
@@ -2159,7 +2089,7 @@ int wxDateTime::IsDST(wxDateTime::Country country) const
 
 wxDateTime& wxDateTime::MakeTimezone(const TimeZone& tz, bool noDST)
 {
-    long secDiff = GetTimeZone() + tz.GetOffset();
+    long secDiff = wxGetTimeZone() + tz.GetOffset();
 
     // we need to know whether DST is or not in effect for this date unless
     // the test disabled by the caller
@@ -2174,7 +2104,7 @@ wxDateTime& wxDateTime::MakeTimezone(const TimeZone& tz, bool noDST)
 
 wxDateTime& wxDateTime::MakeFromTimezone(const TimeZone& tz, bool noDST)
 {
-    long secDiff = GetTimeZone() + tz.GetOffset();
+    long secDiff = wxGetTimeZone() + tz.GetOffset();
 
     // we need to know whether DST is or not in effect for this date unless
     // the test disabled by the caller

src/common/datetimefmt.cpp

@@ -57,6 +57,7 @@
 #endif
 
 #include "wx/datetime.h"
+#include "wx/time.h"
 
 // ============================================================================
 // implementation of wxDateTime
@@ -68,8 +69,6 @@
 
 extern void InitTm(struct tm& tm);
 
-extern int GetTimeZone();
-
 extern wxString CallStrftime(const wxString& format, const tm* tm);
 
 // ----------------------------------------------------------------------------
@@ -329,7 +328,7 @@ wxString wxDateTime::Format(const wxString& formatp, const TimeZone& tz) const
         // use strftime()
         struct tm tmstruct;
         struct tm *tm;
-        if ( tz.GetOffset() == -GetTimeZone() )
+        if ( tz.GetOffset() == -wxGetTimeZone() )
         {
             // we are working with local time
             tm = wxLocaltime_r(&time, &tmstruct);

src/common/time.cpp

@@ -0,0 +1,100 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        src/common/time.cpp
+// Purpose:     Implementation of time-related functions.
+// Author:      Vadim Zeitlin
+// Created:     2011-11-26
+// RCS-ID:      $Id: wxhead.cpp,v 1.11 2010-04-22 12:44:51 zeitlin Exp $
+// Copyright:   (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#include "wx/time.h"
+
+#ifndef WX_GMTOFF_IN_TM
+    // Define it for some systems which don't (always) use configure but are
+    // known to have tm_gmtoff field.
+    #if defined(__WXPALMOS__) || defined(__DARWIN__)
+        #define WX_GMTOFF_IN_TM
+    #endif
+#endif
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// returns the time zone in the C sense, i.e. the difference UTC - local
+// (in seconds)
+int wxGetTimeZone()
+{
+#ifdef WX_GMTOFF_IN_TM
+    // set to true when the timezone is set
+    static bool s_timezoneSet = false;
+    static long gmtoffset = LONG_MAX; // invalid timezone
+
+    // ensure that the timezone variable is set by calling wxLocaltime_r
+    if ( !s_timezoneSet )
+    {
+        // just call wxLocaltime_r() instead of figuring out whether this
+        // system supports tzset(), _tzset() or something else
+        time_t t = time(NULL);
+        struct tm tm;
+
+        wxLocaltime_r(&t, &tm);
+        s_timezoneSet = true;
+
+        // note that GMT offset is the opposite of time zone and so to return
+        // consistent results in both WX_GMTOFF_IN_TM and !WX_GMTOFF_IN_TM
+        // cases we have to negate it
+        gmtoffset = -tm.tm_gmtoff;
+
+        // this function is supposed to return the same value whether DST is
+        // enabled or not, so we need to use an additional offset if DST is on
+        // as tm_gmtoff already does include it
+        if ( tm.tm_isdst )
+            gmtoffset += 3600;
+    }
+    return (int)gmtoffset;
+#elif defined(__DJGPP__) || defined(__WINE__)
+    struct timeb tb;
+    ftime(&tb);
+    return tb.timezone*60;
+#elif defined(__VISUALC__)
+    // We must initialize the time zone information before using it (this will
+    // be done only once internally).
+    _tzset();
+
+    // Starting with VC++ 8 timezone variable is deprecated and is not even
+    // available in some standard library version so use the new function for
+    // accessing it instead.
+    #if wxCHECK_VISUALC_VERSION(8)
+        long t;
+        _get_timezone(&t);
+        return t;
+    #else // VC++ < 8
+        return timezone;
+    #endif
+#elif defined(WX_TIMEZONE) // If WX_TIMEZONE was defined by configure, use it.
+    return WX_TIMEZONE;
+#elif defined(__BORLANDC__) || defined(__MINGW32__) || defined(__VISAGECPP__)
+    return _timezone;
+#elif defined(__MWERKS__)
+    return 28800;
+#else // unknown platform -- assume it has timezone
+    return timezone;
+#endif // WX_GMTOFF_IN_TM/!WX_GMTOFF_IN_TM
+}

wxGTK.spec

@@ -306,6 +306,7 @@ wx/textbuf.h
 wx/textfile.h
 wx/thread.h
 wx/thrimpl.cpp
+wx/time.h
 wx/timer.h
 wx/tls.h
 wx/tokenzr.h

wxMotif.spec

@@ -208,6 +208,7 @@ wx/textbuf.h
 wx/textfile.h
 wx/thread.h
 wx/thrimpl.cpp
+wx/time.h
 wx/timer.h
 wx/tls.h
 wx/tokenzr.h

wxX11.spec

@@ -232,6 +232,7 @@ wx/textbuf.h
 wx/textfile.h
 wx/thread.h
 wx/thrimpl.cpp
+wx/time.h
 wx/timer.h
 wx/tls.h
 wx/tokenzr.h