diff options
Diffstat (limited to 'config')
| -rw-r--r-- | config/configure.in.in | 6 | ||||
| -rw-r--r-- | config/global/extract.in | 6 | ||||
| -rw-r--r-- | config/libc/glibc.in | 5 | ||||
| -rw-r--r-- | config/libc/picolibc.in | 124 |
4 files changed, 138 insertions, 3 deletions
diff --git a/config/configure.in.in b/config/configure.in.in index e042019..526064b 100644 --- a/config/configure.in.in +++ b/config/configure.in.in @@ -15,6 +15,12 @@ config CONFIGURE_has_wget config CONFIGURE_has_curl @KCONFIG_curl@ +config CONFIGURE_has_meson + @KCONFIG_meson@ + +config CONFIGURE_has_ninja + @KCONFIG_ninja@ + config CONFIGURE_has_make_3_81_or_newer @KCONFIG_make_3_81_or_newer@ diff --git a/config/global/extract.in b/config/global/extract.in index ba7f5f4..4e62480 100644 --- a/config/global/extract.in +++ b/config/global/extract.in @@ -107,5 +107,7 @@ config LOCAL_PATCH_DIR help Enter the custom patch directory here. - Note that you must ensure that the directory containing your custom - patches is arranged the same way the official directory is. + Note that you must ensure that tree layout of the directory containing + your custom patches match the bundled patches one. For example, if you + have custom GCC patches for <gcc-version>, place them under + $LOCAL_PATCH_DIR/gcc/<gcc-version>. diff --git a/config/libc/glibc.in b/config/libc/glibc.in index f891392..8174dc4 100644 --- a/config/libc/glibc.in +++ b/config/libc/glibc.in @@ -145,9 +145,10 @@ config GLIBC_NO_SPARC_V8 # in 2.16, adding an option to enable that code. Crosstool-NG backports that code # to 2.14/2.15, but there is no harm in throwing this option even if that patch # is not applied. +# The option and the code has finally been removed in 2.32 config GLIBC_HAS_OBSOLETE_RPC def_bool y - depends on GLIBC_2_14_or_later + depends on GLIBC_2_14_or_later && !CT_GLIBC_2_32_or_later config GLIBC_EXTRA_CONFIG_ARRAY string @@ -400,6 +401,8 @@ config GLIBC_SSP # GCC8-related fixes were only available in glibc 2.27. config GLIBC_ENABLE_WERROR bool "Enable -Werror during the build" + depends on !(ARCH_POWERPC && ARCH_64 && GLIBC_V_2_32) + depends on !(ARCH_SPARC && GLIBC_V_2_32) default y if GCC_7_or_older default y if GCC_8_or_later && GLIBC_2_27_or_later help diff --git a/config/libc/picolibc.in b/config/libc/picolibc.in new file mode 100644 index 0000000..cc1d4d1 --- /dev/null +++ b/config/libc/picolibc.in @@ -0,0 +1,124 @@ +# picolibc options + +## depends on BARE_METAL && CONFIGURE_has_meson && CONFIGURE_has_ninja +## select LIBC_SUPPORT_THREADS_NATIVE + +## select CC_CORE_PASSES_NEEDED if CANADIAN +## select CC_CORE_PASS_2_NEEDED if ! CANADIAN + +## help Picolibc is a C library intended for use on embedded systems. It is a +## help conglomeration of several library parts, all under BSD-compatible software +## help licenses that make them easily usable on embedded products. Picolibc +## help is only available in source form. It can be compiled for a wide +## help array of processors, and will usually work on any architecture with +## help the addition of a few low-level routines. + +config PICOLIBC_CXA_ATEXIT + def_bool y + select LIBC_PROVIDES_CXA_ATEXIT + +config LIBC_PICOLIBC_TARGET_CFLAGS + string + prompt "Target CFLAGS for picolibc" + default "" + help + Used to add specific options when compiling the target libraries + (eg. -ffunction-sections -fdata-sections), which can't be defined + in global TARGET_CFLAGS, because they shall be not used for the + gcc target libraries. + Note: Both TARGET_CFLAGS and LIBC_PICOLIBC_TARGET_CFLAGS are used + to compile the libraries. + + Leave blank if you don't know better. + +config LIBC_PICOLIBC_IO_C99FMT + bool + prompt "Enable IOs on C99 formats" + default y + help + Enable support for IOs on C99 formats. + +config LIBC_PICOLIBC_REGISTER_FINI + bool + prompt "Enable finalization function registration using atexit" + help + Enable finalization function registration using atexit. + +config LIBC_PICOLIBC_ATEXIT_DYNAMIC_ALLOC + bool + prompt "Enable dynamic allocation of atexit entries" + help + Enable dynamic allocation of atexit entries. + +config LIBC_PICOLIBC_GLOBAL_ATEXIT + bool + prompt "Enable atexit data structure as global variable" + help + Enable atexit data structure as global variable, instead + of being thread-local. + +config LIBC_PICOLIBC_LITE_EXIT + bool + prompt "Enable lite exit" + default y + help + Enable lite exit, a size-reduced implementation of exit that doesn't + invoke clean-up functions such as _fini or global destructors. + +config LIBC_PICOLIBC_MULTITHREAD + bool + prompt "Enable support for multiple threads" + default y + help + Enable support for multiple threads. + +config LIBC_PICOLIBC_RETARGETABLE_LOCKING + bool + prompt "Enable retargetable locking" + help + Enable retargetable locking to allow the operating system to override + the dummy lock functions defined within picolibc. + +config LIBC_PICOLIBC_EXTRA_SECTIONS + bool + prompt "Place each function & data element in their own section" + help + Place each function & data symbol in their own section. This allows + the linker to garbage collect unused symbols at link time. + +config LIBC_PICOLIBC_ENABLE_TARGET_OPTSPACE + bool + prompt "Optimize picolibc for size" + default y + help + Pass --enable-target-optspace to picolibc configure. + + This will compile picolibc with -Os. + +config LIBC_PICOLIBC_LTO + bool + prompt "Enable Link Time Optimization" + depends on CC_GCC_USE_LTO + help + Builds the libraries with -flto to enable more aggressive link time + optimization. You will need to add -flto-partition=one to your + application's link line to keep the RETURN assembler macro together + with it's consumers. + +config LIBC_PICOLIBC_NANO_MALLOC + bool + prompt "Enable Nano Malloc" + default y + help + PICOLIBC has two implementations of malloc family's functions, one in + `mallocr.c' and the other one in `nano-mallocr.c'. This options + enables the nano-malloc implementation, which is for small systems + with very limited memory. Note that this implementation does not + support `--enable-malloc-debugging' any more. + +config LIBC_PICOLIBC_EXTRA_CONFIG_ARRAY + string + prompt "Extra config for picolibc" + default "" + help + Extra flags to pass to meson when configuring picolibc. |