MagnumFont, MagnumFontConverter: fix linker errors in tests on Windows.

src/MagnumPlugins/MagnumFont/CMakeLists.txt

@@ -54,7 +54,19 @@ endif()
 install(FILES ${MagnumFont_HEADERS} DESTINATION ${MAGNUM_PLUGINS_INCLUDE_INSTALL_DIR}/MagnumFont)
 
 if(BUILD_GL_TESTS)
-    add_library(MagnumMagnumFontTestLib STATIC $<TARGET_OBJECTS:MagnumFontObjects>)
+    # On Win32 we need to avoid dllimporting TgaImporter symbols, because it
+    # would search for the symbols in some DLL even when they were linked
+    # statically. However it apparently doesn't matter that they were
+    # dllexported when building the static library. EH.
+    if(WIN32)
+        add_library(MagnumMagnumFontTestLib STATIC
+            ${MagnumFont_SRCS}
+            ${MagnumFont_HEADERS})
+        set_target_properties(MagnumMagnumFontTestLib PROPERTIES COMPILE_FLAGS "-DMAGNUM_TGAIMPORTER_BUILD_STATIC")
+    else()
+        add_library(MagnumMagnumFontTestLib STATIC $<TARGET_OBJECTS:MagnumFontObjects>)
+    endif()
     target_link_libraries(MagnumMagnumFontTestLib Magnum MagnumText MagnumTgaImporterTestLib)
+
     add_subdirectory(Test)
 endif()

src/MagnumPlugins/MagnumFontConverter/CMakeLists.txt

@@ -54,7 +54,19 @@ endif()
 install(FILES ${MagnumFontConverter_HEADERS} DESTINATION ${MAGNUM_PLUGINS_INCLUDE_INSTALL_DIR}/MagnumFontConverter)
 
 if(BUILD_GL_TESTS)
-    add_library(MagnumMagnumFontConverterTestLib STATIC $<TARGET_OBJECTS:MagnumFontConverterObjects>)
+    # On Win32 we need to avoid dllimporting TgaImageConverter symbols, because
+    # it would search for the symbols in some DLL even when they were linked
+    # statically. However it apparently doesn't matter that they were
+    # dllexported when building the static library. EH.
+    if(WIN32)
+        add_library(MagnumMagnumFontConverterTestLib STATIC
+            ${MagnumFontConverter_SRCS}
+            ${MagnumFontConverter_HEADERS})
+        set_target_properties(MagnumMagnumFontConverterTestLib PROPERTIES COMPILE_FLAGS "-DMAGNUM_TGAIMAGECONVERTER_BUILD_STATIC")
+    else()
+        add_library(MagnumMagnumFontConverterTestLib STATIC $<TARGET_OBJECTS:MagnumFontConverterObjects>)
+    endif()
     target_link_libraries(MagnumMagnumFontConverterTestLib Magnum MagnumText MagnumTgaImageConverterTestLib)
+
     add_subdirectory(Test)
 endif()

src/MagnumPlugins/MagnumFontConverter/Test/CMakeLists.txt

@@ -32,3 +32,11 @@ corrade_add_test(MagnumFontConverterGLTest MagnumFontConverterGLTest.cpp LIBRARI
     MagnumMagnumFontConverterTestLib
     MagnumTgaImporterTestLib
     ${GL_TEST_LIBRARIES})
+
+# On Win32 we need to avoid dllimporting TgaImporter symbols, because it would
+# search for the symbols in some DLL even though they were linked statically.
+# However it apparently doesn't matter that they were dllexported when building
+# the static library. EH.
+if(WIN32)
+    set_target_properties(MagnumFontConverterGLTest PROPERTIES COMPILE_FLAGS "-DMAGNUM_TGAIMPORTER_BUILD_STATIC")
+endif()