fix: use zlib static (#872)

cortex-cpp/Makefile

@@ -40,7 +40,6 @@ pre-package:
 ifeq ($(OS),Windows_NT)
 	@powershell -Command "mkdir -p cortex-cpp;"
 	@powershell -Command "cp build\cortex-cpp.exe .\cortex-cpp\;"
-	@powershell -Command "cp build-deps\_install\bin\zlib.dll .\cortex-cpp\;"
 	@powershell -Command "cp ..\.github\patches\windows\msvcp140.dll .\cortex-cpp\;"
 	@powershell -Command "cp ..\.github\patches\windows\vcruntime140_1.dll .\cortex-cpp\;"
 	@powershell -Command "cp ..\.github\patches\windows\vcruntime140.dll .\cortex-cpp\;"

cortex-cpp/cortex-cpp-deps/CMakeLists.txt

@@ -19,20 +19,26 @@ set(THIRD_PARTY_INSTALL_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../build-deps/_install)
 #set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
 #
 # Add the external project
-set(ZLIB_USE_STATIC_LIBS OFF)
-find_package(ZLIB)
-if(NOT ZLIB_FOUND)
-    set(ZLIB_USE_STATIC_LIBS ON)
-    ExternalProject_Add(
-        zlib
+if(NOT APPLE)
+ExternalProject_Add(
+    zlib
 	GIT_REPOSITORY https://github.com/madler/zlib.git
 	GIT_TAG v1.2.11
 	CMAKE_ARGS
 	    -DBUILD_SHARED_LIBS=OFF
 	    -DCMAKE_INSTALL_PREFIX=${THIRD_PARTY_INSTALL_PATH}
         -DCMAKE_BUILD_TYPE=RELEASE
+)
+
+if(WIN32)
+    SET(ZLIB_DYN_PATH "${THIRD_PARTY_INSTALL_PATH}/lib/zlib.lib")
+    ExternalProject_Add_Step(
+        zlib remove_dynamic_lib
+        COMMAND ${CMAKE_COMMAND} -E rm -f ${ZLIB_DYN_PATH}
+	    DEPENDEES install
     )
 endif()
+endif()
 
 ExternalProject_Add(
     brotli
@@ -76,7 +82,6 @@ ExternalProject_Add(
     CMAKE_ARGS
     -DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}
 	-DOPENSSL_USE_STATIC_LIBS=TRUE
-	-DZLIB_USE_STATIC_LIBS=${ZLIB_USE_STATIC_LIBS}
 	-DBUILD_ORM=OFF
 	-DBUILD_YAML_CONFIG=OFF
 	-DBUILD_EXAMPLES=OFF
@@ -116,8 +121,9 @@ link_directories(${THIRD_PARTY_INSTALL_PATH}/lib)
 # Optionally link or add dependencies to your targets
 add_dependencies(drogon c-ares jsoncpp brotli)
 
-if(ZLIB_USE_STATIC_LIBS)
+if(NOT APPLE)
     add_dependencies(drogon zlib)
 endif()
+
 # target_link_libraries(<your-target> ...)