Add an option to disable GZIP.

unittest/CMakeLists.txt

@@ -10,24 +10,26 @@ set(UT_SRCS
 set(UT_TARGET_NAME webcc_unittest)
 
 # Common libraries to link.
-set(TEST_LIBS webcc ${Boost_LIBRARIES} "${CMAKE_THREAD_LIBS_INIT}")
+set(UT_LIBS webcc ${Boost_LIBRARIES} "${CMAKE_THREAD_LIBS_INIT}")
 
 if(WEBCC_ENABLE_SSL)
-    set(TEST_LIBS ${TEST_LIBS} ${OPENSSL_LIBRARIES})
+    set(UT_LIBS ${UT_LIBS} ${OPENSSL_LIBRARIES} crypt32)
 endif()
 
-if(WIN32)
-    set(TEST_LIBS ${TEST_LIBS} zlibstatic crypt32)
-else()
-    set(TEST_LIBS ${TEST_LIBS} ${ZLIB_LIBRARIES})
+if(WEBCC_ENABLE_GZIP)
+    if(WIN32)
+        set(UT_LIBS ${UT_LIBS} zlibstatic)
+    else()
+        set(UT_LIBS ${UT_LIBS} ${ZLIB_LIBRARIES})
+    endif()
 endif()
 
 if(UNIX)
     # Add `-ldl` for Linux to avoid "undefined reference to `dlopen'".
-    set(TEST_LIBS ${TEST_LIBS} ${CMAKE_DL_LIBS})
+    set(UT_LIBS ${UT_LIBS} ${CMAKE_DL_LIBS})
 endif()
 
 add_executable(${UT_TARGET_NAME} ${UT_SRCS})
-target_link_libraries(${UT_TARGET_NAME} webcc gtest ${TEST_LIBS})
+target_link_libraries(${UT_TARGET_NAME} webcc gtest ${UT_LIBS})
 
 add_test(${UT_TARGET_NAME} ${UT_TARGET_NAME})