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

An upcoming commit that removes the common/globals.h symbols from the
gvc.def file would otherwise cause errors like this:

minglemain.obj : error LNK2001: unresolved external symbol _Files [C:\Users\magja\graphviz\cmd\mingle\mingle.vcxproj]

Towards https://gitlab.com/graphviz/graphviz/-/issues/2058.

diff --git a/cmd/mingle/mingle.vcxproj b/cmd/mingle/mingle.vcxproj
index d164fb6e94390ee6a3849959bb6ccfc1bdb049d8..d18e2ecc83a19d2a79b8c85b4f1a18161fcc59cc 100644 (file)
--- a/cmd/mingle/mingle.vcxproj
+++ b/cmd/mingle/mingle.vcxproj
@@ -53,7 +53,7 @@
     <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;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_DEBUG;_LIB;GVDLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
       <PrecompiledHeader />
@@ -78,7 +78,7 @@
       <Optimization>MaxSpeed</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <AdditionalIncludeDirectories>$(SolutionDir)windows\include;$(SolutionDir)windows\dependencies\libraries\vcpkg\installed\x86-windows\include;$(SolutionDir)lib;$(SolutionDir)lib\cdt;$(SolutionDir)lib\cgraph;$(SolutionDir)lib\common;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;_LIB;GVDLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <PrecompiledHeader />
       <WarningLevel>Level4</WarningLevel>