Seems to be fully statically built now.

source/CMakeLists.txt

@@ -1,6 +1,15 @@
 cmake_minimum_required(VERSION 3.10)
 project(dropshell VERSION 1.0.0 LANGUAGES CXX)
 
+# Force static linking globally
+set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
+set(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
+set(BUILD_SHARED_LIBS OFF CACHE BOOL "Build shared libraries" FORCE)
+set(CMAKE_POSITION_INDEPENDENT_CODE OFF)
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -static")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static")
+set(ZLIB_USE_STATIC_LIBS "ON")
+
 set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_C_STANDARD 23)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
@@ -89,7 +98,8 @@ FetchContent_Declare(
   GIT_TAG        v2.1.5
 )
 FetchContent_MakeAvailable(libassert)
-include(FetchContent)
+
+# Add cpptrace
 FetchContent_Declare(
   cpptrace
   GIT_REPOSITORY https://github.com/jeremy-rifkin/cpptrace.git
@@ -97,14 +107,6 @@ FetchContent_Declare(
 )
 FetchContent_MakeAvailable(cpptrace)
 
-# Add cpp-httplib
-FetchContent_Declare(
-  cpp-httplib
-  GIT_REPOSITORY https://github.com/yhirose/cpp-httplib.git
-  GIT_TAG        v0.14.1
-)
-FetchContent_MakeAvailable(cpp-httplib)
-
 # Add nlohmann/json
 FetchContent_Declare(
   nlohmann_json
@@ -113,25 +115,16 @@ FetchContent_Declare(
 )
 FetchContent_MakeAvailable(nlohmann_json)
 
-# Find zlib
-find_package(ZLIB REQUIRED)
-
-# Force static linking for zlib
-set(ZLIB_USE_STATIC_LIBS TRUE)
-set(ZLIB_LIBRARIES z)
-
 # Link libraries
 target_link_libraries(dropshell PRIVATE
     libassert::assert
     cpptrace::cpptrace
-    httplib::httplib
     nlohmann_json::nlohmann_json
-    ${ZLIB_LIBRARIES}
 )
 
 # Set static linking flags
 set_target_properties(dropshell PROPERTIES
-    LINK_FLAGS "-static-libstdc++ -static-libgcc -Wl,-Bstatic -lz -Wl,-Bdynamic"
+    LINK_FLAGS "-static"
 )
 
 # Install targets