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set(LIBC_SOURCES
arpa/inet.cpp
assert.cpp
complex.cpp
ctype.cpp
cxxabi.cpp
dirent.cpp
dlfcn.cpp
fcntl.cpp
fenv.cpp
fnmatch.cpp
ifaddrs.cpp
getopt.cpp
grp.cpp
inttypes.cpp
ioctl.cpp
langinfo.cpp
libcinit.cpp
libgen.cpp
link.cpp
locale.cpp
malloc.cpp
mntent.cpp
net.cpp
netdb.cpp
poll.cpp
priority.cpp
pthread_forward.cpp
pthread_integration.cpp
pthread_tls.cpp
pty.cpp
pwd.cpp
qsort.cpp
regex.cpp
resolv.cpp
scanf.cpp
sched.cpp
search.cpp
serenity.cpp
shadow.cpp
signal.cpp
spawn.cpp
stat.cpp
stdio.cpp
stdlib.cpp
string.cpp
strings.cpp
stubs.cpp
sys/auxv.cpp
sys/file.cpp
sys/mman.cpp
sys/prctl.cpp
sys/ptrace.cpp
sys/select.cpp
sys/socket.cpp
sys/statvfs.cpp
sys/uio.cpp
sys/wait.cpp
sys/xattr.cpp
syslog.cpp
termcap.cpp
termios.cpp
time.cpp
times.cpp
ulimit.cpp
unistd.cpp
utime.cpp
utsname.cpp
wchar.cpp
wctype.cpp
wstdio.cpp
)
file(GLOB AK_SOURCES CONFIGURE_DEPENDS "../../../AK/*.cpp")
file(GLOB ELF_SOURCES CONFIGURE_DEPENDS "../LibELF/*.cpp")
if ("${SERENITY_ARCH}" STREQUAL "aarch64")
set(ASM_SOURCES "arch/aarch64/setjmp.S")
set(ELF_SOURCES ${ELF_SOURCES} ../LibELF/Arch/aarch64/entry.S ../LibELF/Arch/aarch64/plt_trampoline.S)
set(CRTI_SOURCE "arch/aarch64/crti.S")
set(CRTN_SOURCE "arch/aarch64/crtn.S")
elseif ("${SERENITY_ARCH}" STREQUAL "i686")
set(ASM_SOURCES "arch/i386/setjmp.S")
set(ELF_SOURCES ${ELF_SOURCES} ../LibELF/Arch/i386/entry.S ../LibELF/Arch/i386/plt_trampoline.S)
set(CRTI_SOURCE "arch/i386/crti.S")
set(CRTN_SOURCE "arch/i386/crtn.S")
elseif ("${SERENITY_ARCH}" STREQUAL "x86_64")
set(LIBC_SOURCES ${LIBC_SOURCES} "arch/x86_64/memset.cpp")
set(ASM_SOURCES "arch/x86_64/setjmp.S" "arch/x86_64/memset.S")
set(ELF_SOURCES ${ELF_SOURCES} ../LibELF/Arch/x86_64/entry.S ../LibELF/Arch/x86_64/plt_trampoline.S)
set(CRTI_SOURCE "arch/x86_64/crti.S")
set(CRTN_SOURCE "arch/x86_64/crtn.S")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unknown-warning-option")
# Note: We link all these against NoCoverage so that we don't break ports by requiring coverage symbols
# in runtime/startup objects.
# Since all native serenity applications use dynamic libraries, prevent coverage on libc.a as well
add_library(crt0 STATIC crt0.cpp)
target_link_libraries(crt0 PRIVATE NoCoverage)
add_custom_command(
TARGET crt0
COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_OBJECTS:crt0> ${CMAKE_INSTALL_PREFIX}/usr/lib/crt0.o
)
add_library(crt0_shared STATIC crt0_shared.cpp)
target_link_libraries(crt0_shared PRIVATE NoCoverage)
add_custom_command(
TARGET crt0_shared
COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_OBJECTS:crt0_shared> ${CMAKE_INSTALL_PREFIX}/usr/lib/crt0_shared.o
)
add_library(crti STATIC ${CRTI_SOURCE})
target_link_libraries(crti PRIVATE NoCoverage)
add_custom_command(
TARGET crti
COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_OBJECTS:crti> ${CMAKE_INSTALL_PREFIX}/usr/lib/crti.o
)
add_library(crtn STATIC ${CRTN_SOURCE})
target_link_libraries(crtn PRIVATE NoCoverage)
add_custom_command(
TARGET crtn
COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_OBJECTS:crtn> ${CMAKE_INSTALL_PREFIX}/usr/lib/crtn.o
)
set_source_files_properties (ssp.cpp PROPERTIES COMPILE_FLAGS
"-fno-stack-protector")
add_library(ssp STATIC ssp.cpp)
target_link_libraries(ssp PRIVATE NoCoverage)
add_custom_command(
TARGET ssp
COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_OBJECTS:ssp> ${CMAKE_INSTALL_PREFIX}/usr/lib/ssp.o
)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libssp.a DESTINATION ${CMAKE_INSTALL_PREFIX}/usr/lib/)
set(SOURCES ${LIBC_SOURCES} ${AK_SOURCES} ${ELF_SOURCES} ${ASM_SOURCES})
# Prevent GCC from removing null checks by marking the `FILE*` argument non-null
set_source_files_properties(stdio.cpp PROPERTIES COMPILE_FLAGS "-fno-builtin-fputc -fno-builtin-fputs -fno-builtin-fwrite")
# Prevent naively implemented string functions (like strlen) from being "optimized" into a call to themselves.
if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
set_source_files_properties(string.cpp wchar.cpp PROPERTIES COMPILE_FLAGS "-fno-tree-loop-distribution -fno-tree-loop-distribute-patterns")
endif()
add_library(LibCStaticWithoutDeps STATIC ${SOURCES})
target_link_libraries(LibCStaticWithoutDeps PUBLIC ssp LibTimeZone PRIVATE NoCoverage)
add_dependencies(LibCStaticWithoutDeps LibM LibSystem LibUBSanitizer)
add_custom_target(LibCStatic
COMMAND ${CMAKE_AR} -x $<TARGET_FILE:LibCStaticWithoutDeps>
COMMAND ${CMAKE_AR} -x $<TARGET_FILE:ssp>
COMMAND ${CMAKE_AR} -x $<TARGET_FILE:LibSystemStatic>
COMMAND ${CMAKE_AR} -x $<TARGET_FILE:LibUBSanitizerStatic>
COMMAND ${CMAKE_AR} -rcs ${CMAKE_CURRENT_BINARY_DIR}/libc.a *.o
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
DEPENDS LibCStaticWithoutDeps ssp LibSystemStatic LibUBSanitizerStatic
)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libc.a DESTINATION ${CMAKE_INSTALL_PREFIX}/usr/lib/)
file(GLOB TEMP_OBJ_FILES ${CMAKE_CURRENT_BINARY_DIR}/*.o)
set_property(
TARGET LibCStatic
APPEND
PROPERTY ADDITIONAL_CLEAN_FILES ${TEMP_OBJ_FILES}
)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -nolibc")
serenity_libc(LibC c)
add_dependencies(LibC crti crt0 crt0_shared crtn)
target_link_libraries(LibC ssp system LibTimeZone)
# We mark LibCStatic as a dependency of LibC because this triggers the build of the LibCStatic target
add_dependencies(LibC LibM LibSystem LibCStatic)
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