diff options
Diffstat (limited to 'config/cc/gcc.in')
| -rw-r--r-- | config/cc/gcc.in | 43 |
1 files changed, 34 insertions, 9 deletions
diff --git a/config/cc/gcc.in b/config/cc/gcc.in index 6e6bb828..b51c0bda 100644 --- a/config/cc/gcc.in +++ b/config/cc/gcc.in @@ -53,15 +53,6 @@ config CC_GCC_ENABLE_CXX_FLAGS Note: just pass in the option _value_, that is only the part that goes after the '=' sign. -config CC_GCC_EXTRA_LIBSTDCXX - bool "Re-enable libstdcxx" - default n - depends on LIBC_AVR_LIBC - select CC_CORE_PASS_2_NEEDED - help - libstdcxx is normally disabled on avr systems due to size limitations. - Set this option to re-enable libstdcxx support. - config CC_GCC_CORE_EXTRA_CONFIG_ARRAY string "Core gcc extra config" default "" @@ -240,6 +231,40 @@ config CC_GCC_ENABLE_TARGET_OPTSPACE This will compile crossgcc's libs with -Os. +config CC_GCC_LIBSTDCXX + tristate "Build libstdcxx" + default n if ARCH_AVR || LIBC_NONE + default m + depends on CC_LANG_CXX + select CC_CORE_NEEDED if ARCH_AVR + help + libstdcxx is normally disabled on some systems, like avr, due to size + limitations or it being not supported. + Set this option to force libstdcxx support. + + Option | libstdcxx build | Associated ./configure switch + ---------+--------------------+-------------------------------- + Y | forcibly | --enable-libstdcxx + M | auto | (none, ./configure decides) + N | forcibly not | --disable-libstdcxx + +config CC_GCC_LIBSTDCXX_HOSTED_DISABLE + bool "Build freestanding libstdcxx" + default y if LIBC_AVR_LIBC + default n + depends on CC_GCC_LIBSTDCXX + help + libstdcxx can be compiled in two modes: hosted and freestanding. + Hosted mode is the default, and is used when the OS is available. + Freestanding mode is used when the OS is not available, like in + bare-metal systems. + + Some architectures, like avr, do not support hosted mode, but default + to it, and will fail to build libstdcxx in hosted mode. + + Answer 'y' here to force freestanding mode, otherwise answer let + ./configure decide. + config CC_GCC_LIBMUDFLAP bool prompt "Compile libmudflap" |