Index: src/CMakeLists.txt
--- src/CMakeLists.txt.orig
+++ src/CMakeLists.txt
@@ -659,7 +659,7 @@ if(NOT CUSTOM_CFLAGS)
   #-g MUST be set for ALL builds, or there will be no support for them when bugs happen
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MARCH} ${DT_REQ_INSTRUCTIONS} -g")
   set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -O2 -ftree-vectorize")
-  set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O3 -ffast-math -fno-finite-math-only")
+  set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -ffast-math -fno-finite-math-only")
   if(CMAKE_COMPILER_IS_GNUCC)
     if(BUILD_SSE2_CODEPATHS)
       set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpmath=sse")
@@ -673,7 +673,7 @@ if(NOT CUSTOM_CFLAGS)
 
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MARCH} ${DT_REQ_INSTRUCTIONS} -g")
   set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -O2 -ftree-vectorize")
-  set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3 -ffast-math -fno-finite-math-only")
+  set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -ffast-math -fno-finite-math-only")
   if(CMAKE_COMPILER_IS_GNUCXX)
     if(BUILD_SSE2_CODEPATHS)
       set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpmath=sse")
@@ -966,7 +966,6 @@ if(LIB_DEPS)
 endif()
 
 target_link_libraries(lib_darktable PUBLIC ${STATIC_LIBS})
-target_link_libraries(lib_darktable PRIVATE whereami)
 target_link_libraries(lib_darktable PUBLIC ${LIBS})
 
 unset(LIBS)