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fix bug #5384 -- define DLL_EXPORT in DLL builds and adjust begin_code.h

This commit is contained in:
Ozkan Sezer 2020-12-09 12:01:10 +03:00
parent 50203d58b3
commit 250a055727
6 changed files with 26 additions and 28 deletions
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4
CMakeLists.txt
View File

@ -2212,6 +2212,10 @@ if(SDL_SHARED)
SOVERSION ${LT_REVISION} SOVERSION ${LT_REVISION}
OUTPUT_NAME "SDL2-${LT_RELEASE}") OUTPUT_NAME "SDL2-${LT_RELEASE}")
else() else()
if(WINDOWS OR CYGWIN)
set_target_properties(SDL2 PROPERTIES
DEFINE_SYMBOL DLL_EXPORT)
endif()
set_target_properties(SDL2 PROPERTIES set_target_properties(SDL2 PROPERTIES
VERSION ${SDL_VERSION} VERSION ${SDL_VERSION}
SOVERSION ${LT_REVISION} SOVERSION ${LT_REVISION}

12
VisualC-WinRT/UWP_VS2015/SDL-UWP.vcxproj
View File

@ -508,7 +508,7 @@
<PrecompiledHeader>NotUsing</PrecompiledHeader> <PrecompiledHeader>NotUsing</PrecompiledHeader>
<CompileAsWinRT>false</CompileAsWinRT> <CompileAsWinRT>false</CompileAsWinRT>
<AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile> </ClCompile>
<Link> <Link>
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>
@ -522,7 +522,7 @@
<PrecompiledHeader>NotUsing</PrecompiledHeader> <PrecompiledHeader>NotUsing</PrecompiledHeader>
<CompileAsWinRT>false</CompileAsWinRT> <CompileAsWinRT>false</CompileAsWinRT>
<AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile> </ClCompile>
<Link> <Link>
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>
@ -536,7 +536,7 @@
<PrecompiledHeader>NotUsing</PrecompiledHeader> <PrecompiledHeader>NotUsing</PrecompiledHeader>
<CompileAsWinRT>false</CompileAsWinRT> <CompileAsWinRT>false</CompileAsWinRT>
<AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile> </ClCompile>
<Link> <Link>
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>
@ -550,7 +550,7 @@
<PrecompiledHeader>NotUsing</PrecompiledHeader> <PrecompiledHeader>NotUsing</PrecompiledHeader>
<CompileAsWinRT>false</CompileAsWinRT> <CompileAsWinRT>false</CompileAsWinRT>
<AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile> </ClCompile>
<Link> <Link>
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>
@ -564,7 +564,7 @@
<PrecompiledHeader>NotUsing</PrecompiledHeader> <PrecompiledHeader>NotUsing</PrecompiledHeader>
<CompileAsWinRT>false</CompileAsWinRT> <CompileAsWinRT>false</CompileAsWinRT>
<AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile> </ClCompile>
<Link> <Link>
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>
@ -578,7 +578,7 @@
<PrecompiledHeader>NotUsing</PrecompiledHeader> <PrecompiledHeader>NotUsing</PrecompiledHeader>
<CompileAsWinRT>false</CompileAsWinRT> <CompileAsWinRT>false</CompileAsWinRT>
<AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile> </ClCompile>
<Link> <Link>
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>

8
VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj
View File

@ -425,7 +425,7 @@
<PrecompiledHeader>NotUsing</PrecompiledHeader> <PrecompiledHeader>NotUsing</PrecompiledHeader>
<CompileAsWinRT>false</CompileAsWinRT> <CompileAsWinRT>false</CompileAsWinRT>
<AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile> </ClCompile>
<Link> <Link>
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>
@ -439,7 +439,7 @@
<PrecompiledHeader>NotUsing</PrecompiledHeader> <PrecompiledHeader>NotUsing</PrecompiledHeader>
<CompileAsWinRT>false</CompileAsWinRT> <CompileAsWinRT>false</CompileAsWinRT>
<AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile> </ClCompile>
<Link> <Link>
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>
@ -453,7 +453,7 @@
<PrecompiledHeader>NotUsing</PrecompiledHeader> <PrecompiledHeader>NotUsing</PrecompiledHeader>
<CompileAsWinRT>false</CompileAsWinRT> <CompileAsWinRT>false</CompileAsWinRT>
<AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile> </ClCompile>
<Link> <Link>
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>
@ -467,7 +467,7 @@
<PrecompiledHeader>NotUsing</PrecompiledHeader> <PrecompiledHeader>NotUsing</PrecompiledHeader>
<CompileAsWinRT>false</CompileAsWinRT> <CompileAsWinRT>false</CompileAsWinRT>
<AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile> </ClCompile>
<Link> <Link>
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>

12
VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj
View File

@ -504,7 +504,7 @@
<PrecompiledHeader>NotUsing</PrecompiledHeader> <PrecompiledHeader>NotUsing</PrecompiledHeader>
<CompileAsWinRT>false</CompileAsWinRT> <CompileAsWinRT>false</CompileAsWinRT>
<AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_WINDLL;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;_WINDLL;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile> </ClCompile>
<Link> <Link>
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>
@ -519,7 +519,7 @@
<PrecompiledHeader>NotUsing</PrecompiledHeader> <PrecompiledHeader>NotUsing</PrecompiledHeader>
<CompileAsWinRT>false</CompileAsWinRT> <CompileAsWinRT>false</CompileAsWinRT>
<AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_WINDLL;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;_WINDLL;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile> </ClCompile>
<Link> <Link>
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>
@ -534,7 +534,7 @@
<PrecompiledHeader>NotUsing</PrecompiledHeader> <PrecompiledHeader>NotUsing</PrecompiledHeader>
<CompileAsWinRT>false</CompileAsWinRT> <CompileAsWinRT>false</CompileAsWinRT>
<AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_WINDLL;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;_WINDLL;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile> </ClCompile>
<Link> <Link>
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>
@ -549,7 +549,7 @@
<PrecompiledHeader>NotUsing</PrecompiledHeader> <PrecompiledHeader>NotUsing</PrecompiledHeader>
<CompileAsWinRT>false</CompileAsWinRT> <CompileAsWinRT>false</CompileAsWinRT>
<AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_WINDLL;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;_WINDLL;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile> </ClCompile>
<Link> <Link>
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>
@ -564,7 +564,7 @@
<PrecompiledHeader>NotUsing</PrecompiledHeader> <PrecompiledHeader>NotUsing</PrecompiledHeader>
<CompileAsWinRT>false</CompileAsWinRT> <CompileAsWinRT>false</CompileAsWinRT>
<AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_WINDLL;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;_WINDLL;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile> </ClCompile>
<Link> <Link>
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>
@ -579,7 +579,7 @@
<PrecompiledHeader>NotUsing</PrecompiledHeader> <PrecompiledHeader>NotUsing</PrecompiledHeader>
<CompileAsWinRT>false</CompileAsWinRT> <CompileAsWinRT>false</CompileAsWinRT>
<AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_WINDLL;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;_WINDLL;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile> </ClCompile>
<Link> <Link>
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>

8
VisualC/SDL/SDL.vcxproj
View File

@ -96,7 +96,7 @@
<Optimization>Disabled</Optimization> <Optimization>Disabled</Optimization>
<AdditionalIncludeDirectories>$(ProjectDir)/../../include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>$(ProjectDir)/../../include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<AdditionalUsingDirectories>%(AdditionalUsingDirectories)</AdditionalUsingDirectories> <AdditionalUsingDirectories>%(AdditionalUsingDirectories)</AdditionalUsingDirectories>
<PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary> <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
<BufferSecurityCheck>false</BufferSecurityCheck> <BufferSecurityCheck>false</BufferSecurityCheck>
<EnableEnhancedInstructionSet>StreamingSIMDExtensions</EnableEnhancedInstructionSet> <EnableEnhancedInstructionSet>StreamingSIMDExtensions</EnableEnhancedInstructionSet>
@ -127,7 +127,7 @@
<Optimization>Disabled</Optimization> <Optimization>Disabled</Optimization>
<AdditionalIncludeDirectories>$(ProjectDir)/../../include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>$(ProjectDir)/../../include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<AdditionalUsingDirectories>%(AdditionalUsingDirectories)</AdditionalUsingDirectories> <AdditionalUsingDirectories>%(AdditionalUsingDirectories)</AdditionalUsingDirectories>
<PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary> <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
<BufferSecurityCheck>false</BufferSecurityCheck> <BufferSecurityCheck>false</BufferSecurityCheck>
<WarningLevel>Level3</WarningLevel> <WarningLevel>Level3</WarningLevel>
@ -160,7 +160,7 @@
<ClCompile> <ClCompile>
<AdditionalIncludeDirectories>$(ProjectDir)/../../include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>$(ProjectDir)/../../include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<AdditionalUsingDirectories>%(AdditionalUsingDirectories)</AdditionalUsingDirectories> <AdditionalUsingDirectories>%(AdditionalUsingDirectories)</AdditionalUsingDirectories>
<PreprocessorDefinitions>NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary> <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
<BufferSecurityCheck>false</BufferSecurityCheck> <BufferSecurityCheck>false</BufferSecurityCheck>
<EnableEnhancedInstructionSet>StreamingSIMDExtensions</EnableEnhancedInstructionSet> <EnableEnhancedInstructionSet>StreamingSIMDExtensions</EnableEnhancedInstructionSet>
@ -192,7 +192,7 @@
<ClCompile> <ClCompile>
<AdditionalIncludeDirectories>$(ProjectDir)/../../include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> <AdditionalIncludeDirectories>$(ProjectDir)/../../include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<AdditionalUsingDirectories>%(AdditionalUsingDirectories)</AdditionalUsingDirectories> <AdditionalUsingDirectories>%(AdditionalUsingDirectories)</AdditionalUsingDirectories>
<PreprocessorDefinitions>NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>DLL_EXPORT;NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary> <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
<BufferSecurityCheck>false</BufferSecurityCheck> <BufferSecurityCheck>false</BufferSecurityCheck>
<WarningLevel>Level3</WarningLevel> <WarningLevel>Level3</WarningLevel>

10
include/begin_code.h
View File

@ -51,14 +51,8 @@
/* Some compilers use a special export keyword */ /* Some compilers use a special export keyword */
#ifndef DECLSPEC #ifndef DECLSPEC
# if defined(__WIN32__) || defined(__WINRT__) # if defined(__WIN32__) || defined(__WINRT__) || defined(__CYGWIN__)
# ifdef __BORLANDC__ # ifdef DLL_EXPORT
# ifdef BUILD_SDL
# define DECLSPEC
# else
# define DECLSPEC __declspec(dllimport)
# endif
# elif defined(_DLL)
# define DECLSPEC __declspec(dllexport) # define DECLSPEC __declspec(dllexport)
# else # else
# define DECLSPEC # define DECLSPEC