add cmake build_type support.

such as DCMAKE_BUILD_TYPE=Debug.

Signed-off-by: clundro <859287553@qq.com>

CMakeLists.txt

@@ -33,6 +33,8 @@ option(PORTABLE "build a portable binary (disable arch-specific optimizations)"
 # TODO: set ENABLE_NEW_ENCODING to ON when we are ready
 option(ENABLE_NEW_ENCODING "enable new encoding (#1033) for storing 64bit size and expire time in milliseconds" OFF)
 
+set(CMAKE_LINK_DEPENDS_NO_SHARED 1)
+
 if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.24.0")
     cmake_policy(SET CMP0135 NEW)
 endif()
@@ -164,6 +166,12 @@ if ((PROJECT_VERSION STREQUAL "unstable") AND (GIT_SHA STREQUAL ""))
 endif ()
 configure_file(src/version.h.in ${PROJECT_BINARY_DIR}/version.h)
 
+if (NOT CMAKE_BUILD_TYPE OR CMAKE_BUILD_TYPE STREQUAL "None")
+    set (CMAKE_BUILD_TYPE "RelWithDebInfo")
+    message (STATUS "CMAKE_BUILD_TYPE is not set, set to default = ${CMAKE_BUILD_TYPE}")
+endif ()
+message (STATUS "CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
+
 if ((CMAKE_CXX_COMPILER_ID STREQUAL "GNU") OR (CMAKE_CXX_COMPILER_ID STREQUAL "Clang"))
     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libgcc")
 

x.py

@@ -106,7 +106,7 @@ def build(dir: str, jobs: Optional[int], ghproxy: bool, ninja: bool, unittest: b
 
     makedirs(dir, exist_ok=True)
 
-    cmake_options = ["-DCMAKE_BUILD_TYPE=RelWithDebInfo"]
+    cmake_options = []
     if ghproxy:
         cmake_options.append("-DDEPS_FETCH_PROXY=https://ghproxy.com/")
     if ninja: