From 72037259a77a618160e9a9129873c39eb888e632 Mon Sep 17 00:00:00 2001
From: winsoft666 <winsoft666@outlook.com>
Date: Tue, 23 Nov 2021 12:36:49 +0800
Subject: [PATCH] OpenSSL is optional.

---
 run_cmake.bat                   | 3 +--
 src/CMakeLists.txt              | 7 +++++--
 src/curl_utils.cpp              | 8 ++++++++
 tests/teemo_tool/CMakeLists.txt | 6 ++++--
 tests/unit_test/CMakeLists.txt  | 8 +++++---
 5 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/run_cmake.bat b/run_cmake.bat
index 3ba3364..3e9fb09 100644
--- a/run_cmake.bat
+++ b/run_cmake.bat
@@ -99,8 +99,7 @@ if "" == "%BUILD_SHARED_LIBS%" (
 )
 
 vcpkg install gtest:%VCPKG_TARGET_TRIPLET%
-vcpkg install curl[non-http]:%VCPKG_TARGET_TRIPLET%
 
-cmake.exe -G "%CMAKE_GENERATOR%" -T "%TOOLSET%" -A "%ARCH%" -DCMAKE_TOOLCHAIN_FILE=D:\sourcecode\vcpkg\scripts\buildsystems\vcpkg.cmake -DVCPKG_TARGET_TRIPLET=%VCPKG_TARGET_TRIPLET% -DBUILD_SHARED_LIBS=%BUILD_SHARED_LIBS% -DCMAKE_INSTALL_PREFIX=D:\Teemo -DBUILD_TESTS=ON -S %~dp0 -B %~dp0build
+cmake.exe -G "%CMAKE_GENERATOR%" -T "%TOOLSET%" -A "%ARCH%" -DCMAKE_TOOLCHAIN_FILE=D:\sourcecode\Github\vcpkg\scripts\buildsystems\vcpkg.cmake -DVCPKG_TARGET_TRIPLET=%VCPKG_TARGET_TRIPLET% -DBUILD_SHARED_LIBS=%BUILD_SHARED_LIBS% -DCMAKE_INSTALL_PREFIX=D:\Teemo -DBUILD_TESTS=ON -S %~dp0 -B %~dp0build
 endlocal
 goto :eof
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 61ba17e..ef7e423 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -87,8 +87,11 @@ target_include_directories(${LIB_NAME} PUBLIC
 	${CURL_INCLUDE_DIRS})
 
 # OpenSSL
-find_package(OpenSSL REQUIRED)
-target_link_libraries(${LIB_NAME} PUBLIC OpenSSL::SSL OpenSSL::Crypto)
+find_package(OpenSSL)
+if(OpenSSL_FOUND)
+  add_definitions(-DWITH_OPENSSL)
+  target_link_libraries(${LIB_NAME} PUBLIC OpenSSL::SSL OpenSSL::Crypto)
+endif()
 
 
 if (WIN32 OR _WIN32)
diff --git a/src/curl_utils.cpp b/src/curl_utils.cpp
index 0a28ac3..b02243e 100644
--- a/src/curl_utils.cpp
+++ b/src/curl_utils.cpp
@@ -14,7 +14,9 @@
 
 #include "curl_utils.h"
 #include "curl/curl.h"
+#ifdef WITH_OPENSSL
 #include <openssl/crypto.h>
+#endif
 
 namespace teemo {
 namespace {
@@ -36,6 +38,7 @@ int THREAD_cleanup(void);
 #define THREAD_ID pthread_self()
 #endif
 
+#ifdef WITH_OPENSSL
 static MUTEX_TYPE* mutex_buf = NULL;
 static void locking_function(int mode, int n, const char* file, int line) {
   if (mode & CRYPTO_LOCK)
@@ -72,15 +75,20 @@ int THREAD_cleanup(void) {
   mutex_buf = NULL;
   return 1;
 }
+#endif
 }  // namespace
 
 void GlobalCurlInit() {
+#ifdef WITH_OPENSSL
   THREAD_setup();
+#endif
   curl_global_init(CURL_GLOBAL_ALL);
 }
 
 void GlobalCurlUnInit() {
   curl_global_cleanup();
+#ifdef WITH_OPENSSL
   THREAD_cleanup();
+#endif
 }
 }  // namespace teemo
diff --git a/tests/teemo_tool/CMakeLists.txt b/tests/teemo_tool/CMakeLists.txt
index 48b604b..3f2d0b2 100644
--- a/tests/teemo_tool/CMakeLists.txt
+++ b/tests/teemo_tool/CMakeLists.txt
@@ -46,8 +46,10 @@ find_package(CURL REQUIRED)
 target_link_libraries(${EXE_NAME} ${CURL_LIBRARIES})
 
 # OpenSSL
-find_package(OpenSSL REQUIRED)
-target_link_libraries(${EXE_NAME} OpenSSL::SSL OpenSSL::Crypto)
+find_package(OpenSSL)
+if(OpenSSL_FOUND)
+  target_link_libraries(${EXE_NAME} OpenSSL::SSL OpenSSL::Crypto)
+endif()
 
 # Win32 Console
 if (WIN32 OR _WIN32)
diff --git a/tests/unit_test/CMakeLists.txt b/tests/unit_test/CMakeLists.txt
index d4a1475..62856a1 100644
--- a/tests/unit_test/CMakeLists.txt
+++ b/tests/unit_test/CMakeLists.txt
@@ -35,7 +35,7 @@ if (NOT BUILD_SHARED_LIBS)
 endif()
 
 include_directories(../../src)
-file(GLOB SOURCE_FILES 			./*.cpp ../../src/file_util.cpp)
+file(GLOB SOURCE_FILES 			./*.cpp ../../src/file_util.cpp ../../src/string_encode.cpp)
 
 add_executable(
 	${EXE_NAME}
@@ -56,8 +56,10 @@ find_package(CURL REQUIRED)
 target_link_libraries(${EXE_NAME} ${CURL_LIBRARIES})
 
 # OpenSSL
-find_package(OpenSSL REQUIRED)
-target_link_libraries(${EXE_NAME} OpenSSL::SSL OpenSSL::Crypto)
+find_package(OpenSSL)
+if(OpenSSL_FOUND)
+  target_link_libraries(${EXE_NAME} OpenSSL::SSL OpenSSL::Crypto)
+endif()
 
 add_test(NAME unit
 COMMAND ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_BINDIR}/unit_tests)