initial upload

external_libs/CMakeLists.txt

@@ -0,0 +1,60 @@
+function(initialize_submodule DIRECTORY)
+  if(NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${DIRECTORY}/.git)
+    find_package(Git QUIET REQUIRED)
+    message(STATUS "${CMAKE_CURRENT_SOURCE_DIR}/${DIRECTORY}/.git does not exist. Initializing ${DIRECTORY} submodule ...")
+    execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init ${DIRECTORY}
+                    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+                    RESULT_VARIABLE GIT_EXIT_CODE)
+    if(NOT GIT_EXIT_CODE EQUAL "0")
+      message(FATAL_ERROR "${GIT_EXECUTABLE} submodule update --init dependencies/${DIRECTORY} failed with exit code ${GIT_EXIT_CODE}, please checkout submodules")
+    endif()
+  endif()
+endfunction(initialize_submodule)
+
+
+initialize_submodule(yaml-cpp)
+
+# Apply patch to yaml-cpp to fix missing cstdint include
+set(PATCH_FILE "${CMAKE_CURRENT_SOURCE_DIR}/yaml-cpp-cstdint.patch")
+set(TARGET_FILE "${CMAKE_CURRENT_SOURCE_DIR}/yaml-cpp/src/emitterutils.cpp")
+
+if(EXISTS ${PATCH_FILE} AND EXISTS ${TARGET_FILE})
+  # Check if the patch has already been applied by looking for cstdint include
+  file(READ ${TARGET_FILE} FILE_CONTENTS)
+  string(FIND "${FILE_CONTENTS}" "#include <cstdint>" CSTDINT_FOUND)
+
+  if(CSTDINT_FOUND EQUAL -1)
+    message(STATUS "Applying yaml-cpp cstdint patch...")
+    find_program(PATCH_PROGRAM patch)
+    if(PATCH_PROGRAM)
+      execute_process(
+        COMMAND ${PATCH_PROGRAM} -p1 -i ${PATCH_FILE}
+        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/yaml-cpp
+        RESULT_VARIABLE PATCH_RESULT
+        OUTPUT_QUIET
+        ERROR_QUIET
+      )
+      if(PATCH_RESULT EQUAL 0)
+        message(STATUS "yaml-cpp patch applied successfully")
+      else()
+        message(WARNING "Failed to apply yaml-cpp patch, trying manual fix...")
+        # Fallback: manual insertion
+        file(READ ${TARGET_FILE} ORIGINAL_CONTENT)
+        string(REPLACE "#include <sstream>\n" "#include <sstream>\n#include <cstdint>\n" PATCHED_CONTENT "${ORIGINAL_CONTENT}")
+        file(WRITE ${TARGET_FILE} "${PATCHED_CONTENT}")
+        message(STATUS "Manual yaml-cpp fix applied")
+      endif()
+    else()
+      message(STATUS "patch command not found, applying manual fix...")
+      # Manual insertion if patch command is not available
+      file(READ ${TARGET_FILE} ORIGINAL_CONTENT)
+      string(REPLACE "#include <sstream>\n" "#include <sstream>\n#include <cstdint>\n" PATCHED_CONTENT "${ORIGINAL_CONTENT}")
+      file(WRITE ${TARGET_FILE} "${PATCHED_CONTENT}")
+      message(STATUS "Manual yaml-cpp fix applied")
+    endif()
+  else()
+    message(STATUS "yaml-cpp cstdint patch already applied")
+  endif()
+endif()
+
+add_subdirectory(yaml-cpp EXCLUDE_FROM_ALL)

external_libs/yaml-cpp-cstdint.patch

@@ -0,0 +1,10 @@
+--- a/src/emitterutils.cpp
++++ b/src/emitterutils.cpp
+@@ -1,6 +1,7 @@
+ #include <algorithm>
+ #include <iomanip>
+ #include <sstream>
++#include <cstdint>
+
+ #include "emitterutils.h"
+ #include "exp.h"