gvpack: MSBuild: define GVDLL to ensure correct storage-class attributes

An upcoming commit will change the storage-class attributes to be
controlled by the GVDLL symbol in cdt.h.

Without this change, errors like this would occur:

gvpack.obj : error LNK2001: unresolved external symbol _Dtoset

Towards https://gitlab.com/graphviz/graphviz/-/issues/2173.

diff --git a/cmd/tools/gvpack.vcxproj b/cmd/tools/gvpack.vcxproj
index 328f1c1357819f238ceac98eac65039468a077d3..42e5ce54700d3307e3d39cad684b352f1c0b32ff 100644 (file)
--- a/cmd/tools/gvpack.vcxproj
+++ b/cmd/tools/gvpack.vcxproj
@@ -54,7 +54,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>$(SolutionDir)windows\include;$(SolutionDir)windows\dependencies\libraries\vcpkg\installed\x86-windows\include;$(SolutionDir)lib;$(SolutionDir)lib\cdt;$(SolutionDir)lib\cgraph;$(SolutionDir)lib\common;$(SolutionDir)lib\gvc;$(SolutionDir)lib\pack;$(SolutionDir)lib\pathplan;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_DEBUG;_CONSOLE;DEMAND_LOADING;WIN32_DLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;DEMAND_LOADING;GVDLL;WIN32_DLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
       <PrecompiledHeader />
@@ -78,7 +78,7 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
       <AdditionalIncludeDirectories>$(SolutionDir)windows\include;$(SolutionDir)windows\dependencies\libraries\vcpkg\installed\x86-windows\include;$(SolutionDir)lib;$(SolutionDir)lib\cdt;$(SolutionDir)lib\cgraph;$(SolutionDir)lib\common;$(SolutionDir)lib\gvc;$(SolutionDir)lib\pack;$(SolutionDir)lib\pathplan;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>NDEBUG;_CONSOLE;DEMAND_LOADING;WIN32_DLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;DEMAND_LOADING;GVDLL;WIN32_DLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader />
       <WarningLevel>Level4</WarningLevel>
       <EnablePREfast>true</EnablePREfast>