--- CMakeLists.txt.orig	2024-02-29 13:03:32 UTC
+++ CMakeLists.txt
@@ -14,6 +14,7 @@ include(CMakeDependentOption)
 include("version.inc")
 include(GNUInstallDirs)
 include(CMakeDependentOption)
+add_compile_options(-DNDEBUG)
 
 set(SLIC3R_RESOURCES_DIR "${CMAKE_CURRENT_SOURCE_DIR}/resources")
 file(TO_NATIVE_PATH "${SLIC3R_RESOURCES_DIR}" SLIC3R_RESOURCES_DIR_WIN)
@@ -218,7 +219,7 @@ endif ()
     endif ()
 endif ()
 
-if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
+if (CMAKE_SYSTEM_NAME STREQUAL "Linux" OR CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
     find_package(PkgConfig REQUIRED)
 
     if (CMAKE_VERSION VERSION_LESS "3.1")
@@ -248,6 +249,8 @@ if (NOT MSVC AND ("${CMAKE_CXX_COMPILER_ID}" STREQUAL 
     # On GCC and Clang, no return from a non-void function is a warning only. Here, we make it an error.
     add_compile_options(-Werror=return-type)
 
+    add_compile_options(-Wno-enum-constexpr-conversion -Wno-implicit-const-int-float-conversion)
+
     # removes LOTS of extraneous Eigen warnings (GCC only supports it since 6.1)
     # https://eigen.tuxfamily.org/bz/show_bug.cgi?id=1221
     if("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" OR CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 6.0)
@@ -457,7 +460,7 @@ find_package(EXPAT REQUIRED)
 # no matter what.
 find_package(EXPAT REQUIRED)
 
-add_library(libexpat INTERFACE)
+# add_library(libexpat INTERFACE)
 
 if (TARGET EXPAT::EXPAT )
     target_link_libraries(libexpat INTERFACE EXPAT::EXPAT)
@@ -631,8 +634,8 @@ elseif (SLIC3R_FHS)
     install(DIRECTORY ${SLIC3R_RESOURCES_DIR}/ DESTINATION ${SLIC3R_FHS_RESOURCES}
         PATTERN "*/udev" EXCLUDE
     )
-    install(FILES src/platform/unix/PrusaSlicer.desktop DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/applications)
-    install(FILES src/platform/unix/PrusaGcodeviewer.desktop DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/applications)
+	install(FILES src/platform/unix/PrusaSlicer.desktop DESTINATION share/applications)
+	install(FILES src/platform/unix/PrusaGcodeviewer.desktop DESTINATION share/applications)
     foreach(SIZE 32 128 192)
         install(FILES ${SLIC3R_RESOURCES_DIR}/icons/PrusaSlicer_${SIZE}px.png
             DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/${SIZE}x${SIZE}/apps RENAME PrusaSlicer.png
@@ -641,7 +644,8 @@ elseif (SLIC3R_FHS)
             DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/${SIZE}x${SIZE}/apps RENAME PrusaSlicer-gcodeviewer.png
         )
     endforeach()
-    install(DIRECTORY ${SLIC3R_RESOURCES_DIR}/udev/ DESTINATION lib/udev/rules.d)
+	#FreeBSD doesn't have a udev
+	#install(DIRECTORY ${SLIC3R_RESOURCES_DIR}/udev/ DESTINATION lib/udev/rules.d)
 else ()
     install(FILES src/platform/unix/PrusaSlicer.desktop DESTINATION ${CMAKE_INSTALL_PREFIX}/resources/applications)
     install(FILES src/platform/unix/PrusaGcodeviewer.desktop DESTINATION ${CMAKE_INSTALL_PREFIX}/resources/applications)