diff --git a/CMakeLists.txt b/CMakeLists.txt
index eb7e2e0d6c..de4b500c88 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -246,6 +246,10 @@ set(MEMORYCHECK_COMMAND_OPTIONS "--track-origins=yes --leak-check=full --trace-c
 # library so we can actually build the tests.
 option(BUILD_TESTING "Build the testing tree." OFF)
 
+# For special-purpose builds it can be useful to export all symbols from the library,
+# like we do when building the tests.
+option(EXPORT_ALL_SYMBOLS "Export all symbols from the library." OFF)
+
 # Include the xtests for idlc. These tests use the idl compiler (C back-end) to
 # compile an idl file at (test) runtime, and use the C compiler to build a test
 # application for the generated types, that is executed to do the actual testing.
diff --git a/fuzz/oss-fuzz-build.sh b/fuzz/oss-fuzz-build.sh
index 29176988ea..1aa8942713 100644
--- a/fuzz/oss-fuzz-build.sh
+++ b/fuzz/oss-fuzz-build.sh
@@ -18,7 +18,7 @@ mkdir build
 cd build
 cmake \
     -DBUILD_IDLC=ON \
-    -DBUILD_TESTING=ON \
+    -DEXPORT_ALL_SYMBOLS=ON \
     -DBUILD_SHARED_LIBS=OFF \
     -DBUILD_EXAMPLES=NO \
     -DENABLE_SECURITY=NO \
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index a37f837212..d4d23a49f5 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -13,7 +13,7 @@ include (GenerateExportHeader)
 
 add_library(ddsc)
 
-if(BUILD_TESTING)
+if(BUILD_TESTING OR EXPORT_ALL_SYMBOLS)
   set_property(TARGET ddsc PROPERTY WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
 else()
   set_property(TARGET ddsc PROPERTY C_VISIBILITY_PRESET hidden)