diff --git a/BAN/CMakeLists.txt b/BAN/CMakeLists.txt
index 3f759c40ad..feb9f8ec58 100644
--- a/BAN/CMakeLists.txt
+++ b/BAN/CMakeLists.txt
@@ -9,4 +9,4 @@ add_library(ban ${BAN_SOURCES})
 banan_link_library(ban libc)
 
 banan_install_headers(ban)
-install(TARGETS ban)
+install(TARGETS ban OPTIONAL)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7d5f22d741..1e4389640a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,6 +24,7 @@ set(CMAKE_INSTALL_LIBDIR     ${BANAN_LIB})
 set(CMAKE_INSTALL_INCLUDEDIR ${BANAN_INCLUDE})
 set(CMAKE_INSTALL_SYSCONF    ${BANAN_ETC})
 set(CMAKE_INSTALL_MESSAGE    NEVER)
+set(CMAKE_SKIP_INSTALL_ALL_DEPENDENCY True)
 
 # include headers of ${library} to ${target}
 function(banan_include_headers target library)
@@ -38,12 +39,12 @@ endfunction()
 
 # add install step for all header files of target
 function(banan_install_headers target)
-	file(GLOB_RECURSE headers RELATIVE $<TARGET_PROPERTY:${target},SOURCE_DIR>/include "*.h")
+	file(GLOB_RECURSE headers RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}/include *.h)
 	foreach(header ${headers})
 		get_filename_component(subdirectory ${header} DIRECTORY)
-		install(FILES include/${header} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${subdirectory} OPTIONAL)
+		install(FILES include/${header} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${subdirectory})
 	endforeach()
-	target_include_directories(${target} PRIVATE $<TARGET_PROPERTY:${target},SOURCE_DIR>/include)
+	target_include_directories(${target} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include)
 endfunction()
 
 add_subdirectory(kernel)
diff --git a/kernel/CMakeLists.txt b/kernel/CMakeLists.txt
index 8fa5f09bb5..aa9d0f2a8c 100644
--- a/kernel/CMakeLists.txt
+++ b/kernel/CMakeLists.txt
@@ -212,7 +212,7 @@ banan_include_headers(kernel libinput)
 
 banan_install_headers(kernel)
 set_target_properties(kernel PROPERTIES OUTPUT_NAME banan-os.kernel)
-install(TARGETS kernel DESTINATION ${BANAN_BOOT})
+install(TARGETS kernel DESTINATION ${BANAN_BOOT} OPTIONAL)
 
 if("${BANAN_ARCH}" STREQUAL "x86_64")
 	set(ELF_FORMAT elf64-x86-64)
diff --git a/script/build.sh b/script/build.sh
index 22c7e2e245..0b29c373c1 100755
--- a/script/build.sh
+++ b/script/build.sh
@@ -46,7 +46,7 @@ build_toolchain () {
 }
 
 create_image () {
-	build_target bootloader
+	build_target all
 	build_target install
 
 	$BANAN_ROOT_DIR/ports/build.sh
diff --git a/toolchain/build.sh b/toolchain/build.sh
index 6fa384f28e..d4584659f6 100755
--- a/toolchain/build.sh
+++ b/toolchain/build.sh
@@ -239,7 +239,7 @@ find $BANAN_BUILD_DIR -mindepth 1 -maxdepth 1 ! -name toolchain -exec rm -r {} +
 # NOTE: we have to manually create initial sysroot with libc headers
 #       since cmake cannot be invoked yet
 mkdir -p $BANAN_SYSROOT/usr
-cp -r $BANAN_ROOT_DIR/libc/include $BANAN_SYSROOT/usr/include
+cp -r $BANAN_ROOT_DIR/userspace/libraries/LibC/include $BANAN_SYSROOT/usr/include
 
 mkdir -p $BANAN_BUILD_DIR/toolchain
 
@@ -262,7 +262,8 @@ fi
 if (($BUILD_LIBSTDCPP)); then
 	# delete sysroot and install libc
 	rm -r $BANAN_SYSROOT
-	$BANAN_SCRIPT_DIR/build.sh libc-install
+	$BANAN_SCRIPT_DIR/build.sh libc
+	$BANAN_SCRIPT_DIR/build.sh install
 
 	build_libstdcpp
 fi
diff --git a/userspace/Shell/CMakeLists.txt b/userspace/Shell/CMakeLists.txt
index 206d043b97..3d243d848c 100644
--- a/userspace/Shell/CMakeLists.txt
+++ b/userspace/Shell/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(Shell ${SOURCES})
 banan_link_library(Shell ban)
 banan_link_library(Shell libc)
 
-install(TARGETS Shell)
+install(TARGETS Shell OPTIONAL)
diff --git a/userspace/Terminal/CMakeLists.txt b/userspace/Terminal/CMakeLists.txt
index 9c39342af1..4ba92d8261 100644
--- a/userspace/Terminal/CMakeLists.txt
+++ b/userspace/Terminal/CMakeLists.txt
@@ -10,4 +10,4 @@ banan_link_library(Terminal libfont)
 banan_link_library(Terminal libgui)
 banan_link_library(Terminal libinput)
 
-install(TARGETS Terminal)
+install(TARGETS Terminal OPTIONAL)
diff --git a/userspace/WindowServer/CMakeLists.txt b/userspace/WindowServer/CMakeLists.txt
index d7df2bde06..7bc7674eb4 100644
--- a/userspace/WindowServer/CMakeLists.txt
+++ b/userspace/WindowServer/CMakeLists.txt
@@ -13,4 +13,4 @@ banan_link_library(WindowServer libfont)
 banan_link_library(WindowServer libimage)
 banan_link_library(WindowServer libinput)
 
-install(TARGETS WindowServer)
+install(TARGETS WindowServer OPTIONAL)
diff --git a/userspace/aoc2023/day-template/CMakeLists.txt b/userspace/aoc2023/day-template/CMakeLists.txt
index fa588c3237..2512eba1b3 100644
--- a/userspace/aoc2023/day-template/CMakeLists.txt
+++ b/userspace/aoc2023/day-template/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day-template ${SOURCES})
 banan_include_headers(aoc2023_day-template ban)
 banan_link_library(aoc2023_day-template libc)
 
-install(TARGETS aoc2023_day-template)
+install(TARGETS aoc2023_day-template OPTIONAL)
diff --git a/userspace/aoc2023/day1/CMakeLists.txt b/userspace/aoc2023/day1/CMakeLists.txt
index d91a19e30d..8b49ab97d7 100644
--- a/userspace/aoc2023/day1/CMakeLists.txt
+++ b/userspace/aoc2023/day1/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day1 ${SOURCES})
 banan_include_headers(aoc2023_day1 ban)
 banan_link_library(aoc2023_day1 libc)
 
-install(TARGETS aoc2023_day1)
+install(TARGETS aoc2023_day1 OPTIONAL)
diff --git a/userspace/aoc2023/day10/CMakeLists.txt b/userspace/aoc2023/day10/CMakeLists.txt
index f9bfd51b13..7786435fe6 100644
--- a/userspace/aoc2023/day10/CMakeLists.txt
+++ b/userspace/aoc2023/day10/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day10 ${SOURCES})
 banan_include_headers(aoc2023_day10 ban)
 banan_link_library(aoc2023_day10 libc)
 
-install(TARGETS aoc2023_day10)
+install(TARGETS aoc2023_day10 OPTIONAL)
diff --git a/userspace/aoc2023/day11/CMakeLists.txt b/userspace/aoc2023/day11/CMakeLists.txt
index 2b0191e398..702b6c2046 100644
--- a/userspace/aoc2023/day11/CMakeLists.txt
+++ b/userspace/aoc2023/day11/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day11 ${SOURCES})
 banan_include_headers(aoc2023_day11 ban)
 banan_link_library(aoc2023_day11 libc)
 
-install(TARGETS aoc2023_day11)
+install(TARGETS aoc2023_day11 OPTIONAL)
diff --git a/userspace/aoc2023/day12/CMakeLists.txt b/userspace/aoc2023/day12/CMakeLists.txt
index 03ae6b997a..e72909a04f 100644
--- a/userspace/aoc2023/day12/CMakeLists.txt
+++ b/userspace/aoc2023/day12/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day12 ${SOURCES})
 banan_link_library(aoc2023_day12 ban)
 banan_link_library(aoc2023_day12 libc)
 
-install(TARGETS aoc2023_day12)
+install(TARGETS aoc2023_day12 OPTIONAL)
diff --git a/userspace/aoc2023/day13/CMakeLists.txt b/userspace/aoc2023/day13/CMakeLists.txt
index 4aafcac77e..f3b3388194 100644
--- a/userspace/aoc2023/day13/CMakeLists.txt
+++ b/userspace/aoc2023/day13/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day13 ${SOURCES})
 banan_include_headers(aoc2023_day13 ban)
 banan_link_library(aoc2023_day13 libc)
 
-install(TARGETS aoc2023_day13)
+install(TARGETS aoc2023_day13 OPTIONAL)
diff --git a/userspace/aoc2023/day14/CMakeLists.txt b/userspace/aoc2023/day14/CMakeLists.txt
index 0d6d273e0f..b44b3a182a 100644
--- a/userspace/aoc2023/day14/CMakeLists.txt
+++ b/userspace/aoc2023/day14/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day14 ${SOURCES})
 banan_include_headers(aoc2023_day14 ban)
 banan_link_library(aoc2023_day14 libc)
 
-install(TARGETS aoc2023_day14)
+install(TARGETS aoc2023_day14 OPTIONAL)
diff --git a/userspace/aoc2023/day15/CMakeLists.txt b/userspace/aoc2023/day15/CMakeLists.txt
index 4d845a7621..2579444921 100644
--- a/userspace/aoc2023/day15/CMakeLists.txt
+++ b/userspace/aoc2023/day15/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day15 ${SOURCES})
 banan_include_headers(aoc2023_day15 ban)
 banan_link_library(aoc2023_day15 libc)
 
-install(TARGETS aoc2023_day15)
+install(TARGETS aoc2023_day15 OPTIONAL)
diff --git a/userspace/aoc2023/day16/CMakeLists.txt b/userspace/aoc2023/day16/CMakeLists.txt
index dafa191334..7dc8f3002d 100644
--- a/userspace/aoc2023/day16/CMakeLists.txt
+++ b/userspace/aoc2023/day16/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day16 ${SOURCES})
 banan_include_headers(aoc2023_day16 ban)
 banan_link_library(aoc2023_day16 libc)
 
-install(TARGETS aoc2023_day16)
+install(TARGETS aoc2023_day16 OPTIONAL)
diff --git a/userspace/aoc2023/day17/CMakeLists.txt b/userspace/aoc2023/day17/CMakeLists.txt
index e3e8204d56..6d73efeb9b 100644
--- a/userspace/aoc2023/day17/CMakeLists.txt
+++ b/userspace/aoc2023/day17/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day17 ${SOURCES})
 banan_include_headers(aoc2023_day17 ban)
 banan_link_library(aoc2023_day17 libc)
 
-install(TARGETS aoc2023_day17)
+install(TARGETS aoc2023_day17 OPTIONAL)
diff --git a/userspace/aoc2023/day18/CMakeLists.txt b/userspace/aoc2023/day18/CMakeLists.txt
index 850c47bf8a..5186776e81 100644
--- a/userspace/aoc2023/day18/CMakeLists.txt
+++ b/userspace/aoc2023/day18/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day18 ${SOURCES})
 banan_include_headers(aoc2023_day18 ban)
 banan_link_library(aoc2023_day18 libc)
 
-install(TARGETS aoc2023_day18)
+install(TARGETS aoc2023_day18 OPTIONAL)
diff --git a/userspace/aoc2023/day19/CMakeLists.txt b/userspace/aoc2023/day19/CMakeLists.txt
index 6310da7146..573048cc7c 100644
--- a/userspace/aoc2023/day19/CMakeLists.txt
+++ b/userspace/aoc2023/day19/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day19 ${SOURCES})
 banan_include_headers(aoc2023_day19 ban)
 banan_link_library(aoc2023_day19 libc)
 
-install(TARGETS aoc2023_day19)
+install(TARGETS aoc2023_day19 OPTIONAL)
diff --git a/userspace/aoc2023/day2/CMakeLists.txt b/userspace/aoc2023/day2/CMakeLists.txt
index 2ac2f804b5..7cc36eeda1 100644
--- a/userspace/aoc2023/day2/CMakeLists.txt
+++ b/userspace/aoc2023/day2/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day2 ${SOURCES})
 banan_include_headers(aoc2023_day2 ban)
 banan_link_library(aoc2023_day2 libc)
 
-install(TARGETS aoc2023_day2)
+install(TARGETS aoc2023_day2 OPTIONAL)
diff --git a/userspace/aoc2023/day20/CMakeLists.txt b/userspace/aoc2023/day20/CMakeLists.txt
index e95d111a47..5d30a5211b 100644
--- a/userspace/aoc2023/day20/CMakeLists.txt
+++ b/userspace/aoc2023/day20/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day20 ${SOURCES})
 banan_link_library(aoc2023_day20 ban)
 banan_link_library(aoc2023_day20 libc)
 
-install(TARGETS aoc2023_day20)
+install(TARGETS aoc2023_day20 OPTIONAL)
diff --git a/userspace/aoc2023/day21/CMakeLists.txt b/userspace/aoc2023/day21/CMakeLists.txt
index d519a99918..2ca947b817 100644
--- a/userspace/aoc2023/day21/CMakeLists.txt
+++ b/userspace/aoc2023/day21/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day21 ${SOURCES})
 banan_include_headers(aoc2023_day21 ban)
 banan_link_library(aoc2023_day21 libc)
 
-install(TARGETS aoc2023_day21)
+install(TARGETS aoc2023_day21 OPTIONAL)
diff --git a/userspace/aoc2023/day22/CMakeLists.txt b/userspace/aoc2023/day22/CMakeLists.txt
index fb7efd8764..2614c3e70d 100644
--- a/userspace/aoc2023/day22/CMakeLists.txt
+++ b/userspace/aoc2023/day22/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day22 ${SOURCES})
 banan_include_headers(aoc2023_day22 ban)
 banan_link_library(aoc2023_day22 libc)
 
-install(TARGETS aoc2023_day22)
+install(TARGETS aoc2023_day22 OPTIONAL)
diff --git a/userspace/aoc2023/day23/CMakeLists.txt b/userspace/aoc2023/day23/CMakeLists.txt
index 83675ac214..e879218276 100644
--- a/userspace/aoc2023/day23/CMakeLists.txt
+++ b/userspace/aoc2023/day23/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day23 ${SOURCES})
 banan_include_headers(aoc2023_day23 ban)
 banan_link_library(aoc2023_day23 libc)
 
-install(TARGETS aoc2023_day23)
+install(TARGETS aoc2023_day23 OPTIONAL)
diff --git a/userspace/aoc2023/day24/CMakeLists.txt b/userspace/aoc2023/day24/CMakeLists.txt
index 166383847e..86c389e56e 100644
--- a/userspace/aoc2023/day24/CMakeLists.txt
+++ b/userspace/aoc2023/day24/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day24 ${SOURCES})
 banan_include_headers(aoc2023_day24 ban)
 banan_link_library(aoc2023_day24 libc)
 
-install(TARGETS aoc2023_day24)
+install(TARGETS aoc2023_day24 OPTIONAL)
diff --git a/userspace/aoc2023/day25/CMakeLists.txt b/userspace/aoc2023/day25/CMakeLists.txt
index f40143d051..2acbae95b4 100644
--- a/userspace/aoc2023/day25/CMakeLists.txt
+++ b/userspace/aoc2023/day25/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day25 ${SOURCES})
 banan_link_library(aoc2023_day25 ban)
 banan_link_library(aoc2023_day25 libc)
 
-install(TARGETS aoc2023_day25)
+install(TARGETS aoc2023_day25 OPTIONAL)
diff --git a/userspace/aoc2023/day3/CMakeLists.txt b/userspace/aoc2023/day3/CMakeLists.txt
index 1b0d615a4d..c8fed7ca02 100644
--- a/userspace/aoc2023/day3/CMakeLists.txt
+++ b/userspace/aoc2023/day3/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day3 ${SOURCES})
 banan_include_headers(aoc2023_day3 ban)
 banan_link_library(aoc2023_day3 libc)
 
-install(TARGETS aoc2023_day3)
+install(TARGETS aoc2023_day3 OPTIONAL)
diff --git a/userspace/aoc2023/day4/CMakeLists.txt b/userspace/aoc2023/day4/CMakeLists.txt
index d2802650e9..752d27fbb2 100644
--- a/userspace/aoc2023/day4/CMakeLists.txt
+++ b/userspace/aoc2023/day4/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day4 ${SOURCES})
 banan_link_library(aoc2023_day4 ban)
 banan_link_library(aoc2023_day4 libc)
 
-install(TARGETS aoc2023_day4)
+install(TARGETS aoc2023_day4 OPTIONAL)
diff --git a/userspace/aoc2023/day5/CMakeLists.txt b/userspace/aoc2023/day5/CMakeLists.txt
index fb2da9aec9..ff2200fd4d 100644
--- a/userspace/aoc2023/day5/CMakeLists.txt
+++ b/userspace/aoc2023/day5/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day5 ${SOURCES})
 banan_include_headers(aoc2023_day5 ban)
 banan_link_library(aoc2023_day5 libc)
 
-install(TARGETS aoc2023_day5)
+install(TARGETS aoc2023_day5 OPTIONAL)
diff --git a/userspace/aoc2023/day6/CMakeLists.txt b/userspace/aoc2023/day6/CMakeLists.txt
index b584e78eae..ab9c17cc9f 100644
--- a/userspace/aoc2023/day6/CMakeLists.txt
+++ b/userspace/aoc2023/day6/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day6 ${SOURCES})
 banan_include_headers(aoc2023_day6 ban)
 banan_link_library(aoc2023_day6 libc)
 
-install(TARGETS aoc2023_day6)
+install(TARGETS aoc2023_day6 OPTIONAL)
diff --git a/userspace/aoc2023/day7/CMakeLists.txt b/userspace/aoc2023/day7/CMakeLists.txt
index f88ce3e8c3..2f591c73ea 100644
--- a/userspace/aoc2023/day7/CMakeLists.txt
+++ b/userspace/aoc2023/day7/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day7 ${SOURCES})
 banan_include_headers(aoc2023_day7 ban)
 banan_link_library(aoc2023_day7 libc)
 
-install(TARGETS aoc2023_day7)
+install(TARGETS aoc2023_day7 OPTIONAL)
diff --git a/userspace/aoc2023/day8/CMakeLists.txt b/userspace/aoc2023/day8/CMakeLists.txt
index a738ad8c3b..14d356e0fc 100644
--- a/userspace/aoc2023/day8/CMakeLists.txt
+++ b/userspace/aoc2023/day8/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day8 ${SOURCES})
 banan_include_headers(aoc2023_day8 ban)
 banan_link_library(aoc2023_day8 libc)
 
-install(TARGETS aoc2023_day8)
+install(TARGETS aoc2023_day8 OPTIONAL)
diff --git a/userspace/aoc2023/day9/CMakeLists.txt b/userspace/aoc2023/day9/CMakeLists.txt
index 02836e411e..565930eded 100644
--- a/userspace/aoc2023/day9/CMakeLists.txt
+++ b/userspace/aoc2023/day9/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_day9 ${SOURCES})
 banan_include_headers(aoc2023_day9 ban)
 banan_link_library(aoc2023_day9 libc)
 
-install(TARGETS aoc2023_day9)
+install(TARGETS aoc2023_day9 OPTIONAL)
diff --git a/userspace/aoc2023/full/CMakeLists.txt b/userspace/aoc2023/full/CMakeLists.txt
index 0cc52df6c0..dc5aafe6e7 100644
--- a/userspace/aoc2023/full/CMakeLists.txt
+++ b/userspace/aoc2023/full/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(aoc2023_full ${SOURCES})
 banan_include_headers(aoc2023_full ban)
 banan_link_library(aoc2023_full libc)
 
-install(TARGETS aoc2023_full)
+install(TARGETS aoc2023_full OPTIONAL)
diff --git a/userspace/cat-mmap/CMakeLists.txt b/userspace/cat-mmap/CMakeLists.txt
index 8f0298af40..f637010397 100644
--- a/userspace/cat-mmap/CMakeLists.txt
+++ b/userspace/cat-mmap/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(cat-mmap ${SOURCES})
 banan_link_library(cat-mmap libc)
 
-install(TARGETS cat-mmap)
+install(TARGETS cat-mmap OPTIONAL)
diff --git a/userspace/cat/CMakeLists.txt b/userspace/cat/CMakeLists.txt
index a0e8ee9791..9d084dc278 100644
--- a/userspace/cat/CMakeLists.txt
+++ b/userspace/cat/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(cat ${SOURCES})
 banan_link_library(cat libc)
 
-install(TARGETS cat)
+install(TARGETS cat OPTIONAL)
diff --git a/userspace/chmod/CMakeLists.txt b/userspace/chmod/CMakeLists.txt
index 53b91dc858..d3cb1c5f5b 100644
--- a/userspace/chmod/CMakeLists.txt
+++ b/userspace/chmod/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(chmod ${SOURCES})
 banan_link_library(chmod libc)
 
-install(TARGETS chmod)
+install(TARGETS chmod OPTIONAL)
diff --git a/userspace/cp/CMakeLists.txt b/userspace/cp/CMakeLists.txt
index a4b4e03afe..25f24ca398 100644
--- a/userspace/cp/CMakeLists.txt
+++ b/userspace/cp/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(cp ${SOURCES})
 banan_include_headers(cp ban)
 banan_link_library(cp libc)
 
-install(TARGETS cp)
+install(TARGETS cp OPTIONAL)
diff --git a/userspace/dd/CMakeLists.txt b/userspace/dd/CMakeLists.txt
index 7c3da0c544..9d09cde147 100644
--- a/userspace/dd/CMakeLists.txt
+++ b/userspace/dd/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(dd ${SOURCES})
 banan_link_library(dd libc)
 
-install(TARGETS dd)
+install(TARGETS dd OPTIONAL)
diff --git a/userspace/dhcp-client/CMakeLists.txt b/userspace/dhcp-client/CMakeLists.txt
index b02731a049..c02b342624 100644
--- a/userspace/dhcp-client/CMakeLists.txt
+++ b/userspace/dhcp-client/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(dhcp-client ${SOURCES})
 banan_include_headers(dhcp-client ban)
 banan_link_library(dhcp-client libc)
 
-install(TARGETS dhcp-client)
+install(TARGETS dhcp-client OPTIONAL)
diff --git a/userspace/echo/CMakeLists.txt b/userspace/echo/CMakeLists.txt
index 638a3caad6..231cfe5de5 100644
--- a/userspace/echo/CMakeLists.txt
+++ b/userspace/echo/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(echo ${SOURCES})
 banan_link_library(echo libc)
 
-install(TARGETS echo)
+install(TARGETS echo OPTIONAL)
diff --git a/userspace/getopt/CMakeLists.txt b/userspace/getopt/CMakeLists.txt
index 08ad357e09..80d66e9475 100644
--- a/userspace/getopt/CMakeLists.txt
+++ b/userspace/getopt/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(getopt ${SOURCES})
 banan_include_headers(getopt ban)
 banan_link_library(getopt libc)
 
-install(TARGETS getopt)
+install(TARGETS getopt OPTIONAL)
diff --git a/userspace/http-server/CMakeLists.txt b/userspace/http-server/CMakeLists.txt
index 778ef7b03e..3c5928e13f 100644
--- a/userspace/http-server/CMakeLists.txt
+++ b/userspace/http-server/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(http-server ${SOURCES})
 banan_link_library(http-server ban)
 banan_link_library(http-server libc)
 
-install(TARGETS http-server)
+install(TARGETS http-server OPTIONAL)
diff --git a/userspace/id/CMakeLists.txt b/userspace/id/CMakeLists.txt
index d301ca59b2..142c5862eb 100644
--- a/userspace/id/CMakeLists.txt
+++ b/userspace/id/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(id ${SOURCES})
 banan_include_headers(id ban)
 banan_link_library(id libc)
 
-install(TARGETS id)
+install(TARGETS id OPTIONAL)
diff --git a/userspace/image/CMakeLists.txt b/userspace/image/CMakeLists.txt
index 84eafe0f2d..8ae616998f 100644
--- a/userspace/image/CMakeLists.txt
+++ b/userspace/image/CMakeLists.txt
@@ -7,4 +7,4 @@ banan_include_headers(image ban)
 banan_link_library(image libc)
 banan_link_library(image libimage)
 
-install(TARGETS image)
+install(TARGETS image OPTIONAL)
diff --git a/userspace/init/CMakeLists.txt b/userspace/init/CMakeLists.txt
index 09f0f913df..499e07a197 100644
--- a/userspace/init/CMakeLists.txt
+++ b/userspace/init/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(init ${SOURCES})
 banan_include_headers(init ban)
 banan_link_library(init libc)
 
-install(TARGETS init)
+install(TARGETS init OPTIONAL)
diff --git a/userspace/libraries/LibC/CMakeLists.txt b/userspace/libraries/LibC/CMakeLists.txt
index 99edf15993..163c394f77 100644
--- a/userspace/libraries/LibC/CMakeLists.txt
+++ b/userspace/libraries/LibC/CMakeLists.txt
@@ -32,7 +32,7 @@ set(LIBC_SOURCES
 )
 
 add_library(libc ${LIBC_SOURCES})
-target_compile_options(libc PRIVATE -O2 -g -Wstack-usage=512 -fno-tree-loop-distribute-patterns)
+target_compile_options(libc PRIVATE -O2 -g -Wstack-usage=512 -fno-tree-loop-distribute-patterns -nostdlib)
 target_compile_options(libc PUBLIC -Wall -Wextra -Werror -Wno-error=stack-usage=)
 
 add_library(crt0 OBJECT arch/${BANAN_ARCH}/crt0.S)
@@ -49,6 +49,6 @@ banan_include_headers(libc ban)
 banan_include_headers(libc kernel)
 
 banan_install_headers(libc)
-install(TARGETS libc)
+install(TARGETS libc OPTIONAL)
 
 set(CMAKE_STATIC_LIBRARY_PREFIX "")
diff --git a/userspace/libraries/LibELF/CMakeLists.txt b/userspace/libraries/LibELF/CMakeLists.txt
index ffe8b45b7b..e478f41e82 100644
--- a/userspace/libraries/LibELF/CMakeLists.txt
+++ b/userspace/libraries/LibELF/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_library(libelf ${SOURCES})
 
 banan_install_headers(libelf)
-install(TARGETS libelf)
+install(TARGETS libelf OPTIONAL)
diff --git a/userspace/libraries/LibFont/CMakeLists.txt b/userspace/libraries/LibFont/CMakeLists.txt
index d433b36af6..d33a81223c 100644
--- a/userspace/libraries/LibFont/CMakeLists.txt
+++ b/userspace/libraries/LibFont/CMakeLists.txt
@@ -8,6 +8,6 @@ banan_link_library(libfont libc)
 banan_link_library(libfont ban)
 
 banan_install_headers(libfont)
-install(TARGETS libfont)
+install(TARGETS libfont OPTIONAL)
 
 set(CMAKE_STATIC_LIBRARY_PREFIX "")
diff --git a/userspace/libraries/LibGUI/CMakeLists.txt b/userspace/libraries/LibGUI/CMakeLists.txt
index 9a96c0f961..5cbfdf5e16 100644
--- a/userspace/libraries/LibGUI/CMakeLists.txt
+++ b/userspace/libraries/LibGUI/CMakeLists.txt
@@ -9,6 +9,6 @@ banan_include_headers(libgui libinput)
 banan_link_library(libgui libc)
 
 banan_install_headers(libgui)
-install(TARGETS libgui)
+install(TARGETS libgui OPTIONAL)
 
 set(CMAKE_STATIC_LIBRARY_PREFIX "")
diff --git a/userspace/libraries/LibImage/CMakeLists.txt b/userspace/libraries/LibImage/CMakeLists.txt
index 418581c18f..019549eaf8 100644
--- a/userspace/libraries/LibImage/CMakeLists.txt
+++ b/userspace/libraries/LibImage/CMakeLists.txt
@@ -10,6 +10,6 @@ banan_link_library(libimage libc)
 banan_link_library(libimage ban)
 
 banan_install_headers(libimage)
-install(TARGETS libimage)
+install(TARGETS libimage OPTIONAL)
 
 set(CMAKE_STATIC_LIBRARY_PREFIX "")
diff --git a/userspace/libraries/LibInput/CMakeLists.txt b/userspace/libraries/LibInput/CMakeLists.txt
index dd075eb07e..ed3d02a245 100644
--- a/userspace/libraries/LibInput/CMakeLists.txt
+++ b/userspace/libraries/LibInput/CMakeLists.txt
@@ -8,6 +8,6 @@ banan_include_headers(libinput ban)
 banan_link_library(libinput libc)
 
 banan_install_headers(libinput)
-install(TARGETS libinput)
+install(TARGETS libinput OPTIONAL)
 
 set(CMAKE_STATIC_LIBRARY_PREFIX "")
diff --git a/userspace/loadkeys/CMakeLists.txt b/userspace/loadkeys/CMakeLists.txt
index dd6d7a3472..7cd4fcdac0 100644
--- a/userspace/loadkeys/CMakeLists.txt
+++ b/userspace/loadkeys/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(loadkeys ${SOURCES})
 banan_link_library(loadkeys libc)
 
-install(TARGETS loadkeys)
+install(TARGETS loadkeys OPTIONAL)
diff --git a/userspace/ls/CMakeLists.txt b/userspace/ls/CMakeLists.txt
index d1fa310aa6..316ff7c86f 100644
--- a/userspace/ls/CMakeLists.txt
+++ b/userspace/ls/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(ls ${SOURCES})
 banan_link_library(ls ban)
 banan_link_library(ls libc)
 
-install(TARGETS ls)
+install(TARGETS ls OPTIONAL)
diff --git a/userspace/meminfo/CMakeLists.txt b/userspace/meminfo/CMakeLists.txt
index fd5339cf9b..d79e80d32f 100644
--- a/userspace/meminfo/CMakeLists.txt
+++ b/userspace/meminfo/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(meminfo ${SOURCES})
 banan_link_library(meminfo libc)
 
-install(TARGETS meminfo)
+install(TARGETS meminfo OPTIONAL)
diff --git a/userspace/mkdir/CMakeLists.txt b/userspace/mkdir/CMakeLists.txt
index 38fbda31e3..2d66513c98 100644
--- a/userspace/mkdir/CMakeLists.txt
+++ b/userspace/mkdir/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(mkdir ${SOURCES})
 banan_link_library(mkdir libc)
 
-install(TARGETS mkdir)
+install(TARGETS mkdir OPTIONAL)
diff --git a/userspace/nslookup/CMakeLists.txt b/userspace/nslookup/CMakeLists.txt
index c251bb2f78..19f64db2d8 100644
--- a/userspace/nslookup/CMakeLists.txt
+++ b/userspace/nslookup/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(nslookup ${SOURCES})
 banan_link_library(nslookup libc)
 
-install(TARGETS nslookup)
+install(TARGETS nslookup OPTIONAL)
diff --git a/userspace/poweroff/CMakeLists.txt b/userspace/poweroff/CMakeLists.txt
index 81c3f74c0c..891141e15c 100644
--- a/userspace/poweroff/CMakeLists.txt
+++ b/userspace/poweroff/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(poweroff ${SOURCES})
 banan_link_library(poweroff libc)
 
-install(TARGETS poweroff)
+install(TARGETS poweroff OPTIONAL)
diff --git a/userspace/resolver/CMakeLists.txt b/userspace/resolver/CMakeLists.txt
index 23a8cc1c7e..ca488ed9a6 100644
--- a/userspace/resolver/CMakeLists.txt
+++ b/userspace/resolver/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(resolver ${SOURCES})
 banan_link_library(resolver ban)
 banan_link_library(resolver libc)
 
-install(TARGETS resolver)
+install(TARGETS resolver OPTIONAL)
diff --git a/userspace/rm/CMakeLists.txt b/userspace/rm/CMakeLists.txt
index 9213a5510f..2c590c53b3 100644
--- a/userspace/rm/CMakeLists.txt
+++ b/userspace/rm/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(rm ${SOURCES})
 banan_include_headers(rm ban)
 banan_link_library(rm libc)
 
-install(TARGETS rm)
+install(TARGETS rm OPTIONAL)
diff --git a/userspace/sleep/CMakeLists.txt b/userspace/sleep/CMakeLists.txt
index 3efe450fb6..174c0227da 100644
--- a/userspace/sleep/CMakeLists.txt
+++ b/userspace/sleep/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(sleep ${SOURCES})
 banan_link_library(sleep libc)
 
-install(TARGETS sleep)
+install(TARGETS sleep OPTIONAL)
diff --git a/userspace/snake/CMakeLists.txt b/userspace/snake/CMakeLists.txt
index 66e4059eae..efb87de600 100644
--- a/userspace/snake/CMakeLists.txt
+++ b/userspace/snake/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(snake ${SOURCES})
 banan_include_headers(snake ban)
 banan_link_library(snake libc)
 
-install(TARGETS snake)
+install(TARGETS snake OPTIONAL)
diff --git a/userspace/stat/CMakeLists.txt b/userspace/stat/CMakeLists.txt
index 2b539b2121..70d5611924 100644
--- a/userspace/stat/CMakeLists.txt
+++ b/userspace/stat/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(stat ${SOURCES})
 banan_link_library(stat ban)
 banan_link_library(stat libc)
 
-install(TARGETS stat)
+install(TARGETS stat OPTIONAL)
diff --git a/userspace/sudo/CMakeLists.txt b/userspace/sudo/CMakeLists.txt
index f116692382..fd0277bac1 100644
--- a/userspace/sudo/CMakeLists.txt
+++ b/userspace/sudo/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(sudo ${SOURCES})
 banan_link_library(sudo libc)
 
-install(TARGETS sudo)
+install(TARGETS sudo OPTIONAL)
diff --git a/userspace/sync/CMakeLists.txt b/userspace/sync/CMakeLists.txt
index 307481f56e..628200b0e1 100644
--- a/userspace/sync/CMakeLists.txt
+++ b/userspace/sync/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(sync ${SOURCES})
 banan_link_library(sync libc)
 
-install(TARGETS sync)
+install(TARGETS sync OPTIONAL)
diff --git a/userspace/tee/CMakeLists.txt b/userspace/tee/CMakeLists.txt
index 7962c169b1..0288a76cb8 100644
--- a/userspace/tee/CMakeLists.txt
+++ b/userspace/tee/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(tee ${SOURCES})
 banan_link_library(tee libc)
 
-install(TARGETS tee)
+install(TARGETS tee OPTIONAL)
diff --git a/userspace/test-framebuffer/CMakeLists.txt b/userspace/test-framebuffer/CMakeLists.txt
index fa8c2f130f..a7f09aa247 100644
--- a/userspace/test-framebuffer/CMakeLists.txt
+++ b/userspace/test-framebuffer/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(test-framebuffer ${SOURCES})
 banan_link_library(test-framebuffer libc)
 
-install(TARGETS test-framebuffer)
+install(TARGETS test-framebuffer OPTIONAL)
diff --git a/userspace/test-globals/CMakeLists.txt b/userspace/test-globals/CMakeLists.txt
index ad9ab9460c..24caa441a1 100644
--- a/userspace/test-globals/CMakeLists.txt
+++ b/userspace/test-globals/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(test-globals ${SOURCES})
 banan_link_library(test-globals libc)
 
-install(TARGETS test-globals)
+install(TARGETS test-globals OPTIONAL)
diff --git a/userspace/test-mmap-shared/CMakeLists.txt b/userspace/test-mmap-shared/CMakeLists.txt
index 29d9e930e3..d97591d4e5 100644
--- a/userspace/test-mmap-shared/CMakeLists.txt
+++ b/userspace/test-mmap-shared/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(test-mmap-shared ${SOURCES})
 banan_link_library(test-mmap-shared libc)
 
-install(TARGETS test-mmap-shared)
+install(TARGETS test-mmap-shared OPTIONAL)
diff --git a/userspace/test-mouse/CMakeLists.txt b/userspace/test-mouse/CMakeLists.txt
index 2060258e98..fe117f2be3 100644
--- a/userspace/test-mouse/CMakeLists.txt
+++ b/userspace/test-mouse/CMakeLists.txt
@@ -7,4 +7,4 @@ banan_include_headers(test-mouse ban)
 banan_include_headers(test-mouse libinput)
 banan_link_library(test-mouse libc)
 
-install(TARGETS test-mouse)
+install(TARGETS test-mouse OPTIONAL)
diff --git a/userspace/test-popen/CMakeLists.txt b/userspace/test-popen/CMakeLists.txt
index c475c12ad4..3ae3d565d3 100644
--- a/userspace/test-popen/CMakeLists.txt
+++ b/userspace/test-popen/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(test-popen ${SOURCES})
 banan_link_library(test-popen libc)
 
-install(TARGETS test-popen)
+install(TARGETS test-popen OPTIONAL)
diff --git a/userspace/test-sort/CMakeLists.txt b/userspace/test-sort/CMakeLists.txt
index 96c48bcbe6..c6e9f8d228 100644
--- a/userspace/test-sort/CMakeLists.txt
+++ b/userspace/test-sort/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(test-sort ${SOURCES})
 banan_include_headers(test-sort ban)
 banan_link_library(test-sort libc)
 
-install(TARGETS test-sort)
+install(TARGETS test-sort OPTIONAL)
diff --git a/userspace/test-tcp/CMakeLists.txt b/userspace/test-tcp/CMakeLists.txt
index 519fb2d0d0..6836da0aed 100644
--- a/userspace/test-tcp/CMakeLists.txt
+++ b/userspace/test-tcp/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(test-tcp ${SOURCES})
 banan_link_library(test-tcp libc)
 
-install(TARGETS test-tcp)
+install(TARGETS test-tcp OPTIONAL)
diff --git a/userspace/test-udp/CMakeLists.txt b/userspace/test-udp/CMakeLists.txt
index 60d3f0246e..1165a49b70 100644
--- a/userspace/test-udp/CMakeLists.txt
+++ b/userspace/test-udp/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(test-udp ${SOURCES})
 banan_link_library(test-udp libc)
 
-install(TARGETS test-udp)
+install(TARGETS test-udp OPTIONAL)
diff --git a/userspace/test-unix-socket/CMakeLists.txt b/userspace/test-unix-socket/CMakeLists.txt
index 82cbc0382c..4720fa4abb 100644
--- a/userspace/test-unix-socket/CMakeLists.txt
+++ b/userspace/test-unix-socket/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(test-unix-socket ${SOURCES})
 banan_link_library(test-unix-socket libc)
 
-install(TARGETS test-unix-socket)
+install(TARGETS test-unix-socket OPTIONAL)
diff --git a/userspace/test-window/CMakeLists.txt b/userspace/test-window/CMakeLists.txt
index b0c0857fd0..94b5205efc 100644
--- a/userspace/test-window/CMakeLists.txt
+++ b/userspace/test-window/CMakeLists.txt
@@ -8,4 +8,4 @@ banan_include_headers(test-window libinput)
 banan_link_library(test-window libc)
 banan_link_library(test-window libgui)
 
-install(TARGETS test-window)
+install(TARGETS test-window OPTIONAL)
diff --git a/userspace/test/CMakeLists.txt b/userspace/test/CMakeLists.txt
index 093742dbcb..dac58209cb 100644
--- a/userspace/test/CMakeLists.txt
+++ b/userspace/test/CMakeLists.txt
@@ -5,4 +5,4 @@ set(TEST_SOURCES
 add_executable(test ${TEST_SOURCES})
 banan_link_library(test libc)
 
-install(TARGETS test)
+install(TARGETS test OPTIONAL)
diff --git a/userspace/touch/CMakeLists.txt b/userspace/touch/CMakeLists.txt
index 2e93a18220..a0ba7c8378 100644
--- a/userspace/touch/CMakeLists.txt
+++ b/userspace/touch/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(touch ${SOURCES})
 banan_link_library(touch libc)
 
-install(TARGETS touch)
+install(TARGETS touch OPTIONAL)
diff --git a/userspace/u8sum/CMakeLists.txt b/userspace/u8sum/CMakeLists.txt
index 3233e3effb..836751311d 100644
--- a/userspace/u8sum/CMakeLists.txt
+++ b/userspace/u8sum/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(u8sum ${SOURCES})
 banan_link_library(u8sum libc)
 
-install(TARGETS u8sum)
+install(TARGETS u8sum OPTIONAL)
diff --git a/userspace/whoami/CMakeLists.txt b/userspace/whoami/CMakeLists.txt
index 106f9616de..fa4129427f 100644
--- a/userspace/whoami/CMakeLists.txt
+++ b/userspace/whoami/CMakeLists.txt
@@ -6,4 +6,4 @@ add_executable(whoami ${SOURCES})
 banan_include_headers(whoami ban)
 banan_link_library(whoami libc)
 
-install(TARGETS whoami)
+install(TARGETS whoami OPTIONAL)
diff --git a/userspace/yes/CMakeLists.txt b/userspace/yes/CMakeLists.txt
index b6ef202cfc..6da530daeb 100644
--- a/userspace/yes/CMakeLists.txt
+++ b/userspace/yes/CMakeLists.txt
@@ -5,4 +5,4 @@ set(SOURCES
 add_executable(yes ${SOURCES})
 banan_link_library(yes libc)
 
-install(TARGETS yes)
+install(TARGETS yes OPTIONAL)