| comment "GCC Options" |
| |
| config BR2_GCC_NEEDS_MPC |
| bool |
| |
| config BR2_GCC_SUPPORTS_GRAPHITE |
| bool |
| |
| choice |
| prompt "GCC compiler Version" |
| default BR2_GCC_VERSION_4_8_ARC if BR2_arc |
| default BR2_GCC_VERSION_4_9_X |
| help |
| Select the version of gcc you wish to use. |
| |
| config BR2_GCC_VERSION_4_5_X |
| bool "gcc 4.5.x" |
| depends on BR2_DEPRECATED_SINCE_2015_05 |
| # Broken or unsupported architectures |
| depends on !BR2_microblaze && !BR2_aarch64 && !BR2_arc \ |
| && !BR2_powerpc64le && !BR2_nios2 |
| # Broken or unsupported ARM cores |
| depends on !BR2_cortex_a7 && !BR2_cortex_a12 && \ |
| !BR2_cortex_a15 && !BR2_fa526 && !BR2_pj4 |
| # Broken or unsupported PPC cores |
| depends on !BR2_powerpc_e5500 && !BR2_powerpc_e6500 && \ |
| !BR2_powerpc_power8 |
| # SPARC -mcpu=leon3 appeared in gcc 4.8.x |
| depends on !BR2_sparc_leon3 |
| # Broken or unsupported X86 cores |
| depends on !BR2_x86_corei7 && !BR2_x86_jaguar && !BR2_x86_steamroller |
| # ARM EABIhf support appeared in gcc 4.6 |
| depends on !BR2_ARM_EABIHF |
| # musl patches only for gcc 4.7+ |
| depends on !BR2_TOOLCHAIN_BUILDROOT_MUSL |
| select BR2_GCC_NEEDS_MPC |
| |
| config BR2_GCC_VERSION_4_7_X |
| bool "gcc 4.7.x" |
| # Broken or unsupported architectures |
| depends on !BR2_microblaze && !BR2_aarch64 && !BR2_arc \ |
| && !BR2_powerpc64le && !BR2_nios2 |
| # Broken or unsupported ARM cores |
| depends on !BR2_cortex_a12 && !BR2_pj4 |
| # Broken or unsupported PPC cores |
| depends on !BR2_powerpc_e5500 && !BR2_powerpc_e6500 && \ |
| !BR2_powerpc_power8 |
| # SPARC -mcpu=leon3 appeared in gcc 4.8.x |
| depends on !BR2_sparc_leon3 |
| # Broken or unsupported x86 cores |
| depends on !BR2_x86_jaguar && !BR2_x86_steamroller |
| select BR2_GCC_NEEDS_MPC |
| |
| config BR2_GCC_VERSION_4_8_X |
| bool "gcc 4.8.x" |
| # Broken or unsupported architectures |
| depends on !BR2_microblaze && !BR2_arc \ |
| && !BR2_powerpc64le && !BR2_nios2 |
| # Broken or unsupported ARM cores |
| depends on !BR2_cortex_a12 |
| # Broken or unsupported PPC cores |
| depends on !BR2_powerpc_power8 |
| # gcc-4.8.x + binutils-2.25 is broken for MIPS |
| depends on !((BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el) && BR2_BINUTILS_VERSION_2_25_X) |
| select BR2_GCC_NEEDS_MPC |
| select BR2_GCC_SUPPORTS_GRAPHITE |
| |
| config BR2_GCC_VERSION_4_8_ARC |
| bool "gcc 4.8-arc" |
| # Only supported architecture |
| depends on BR2_arc |
| select BR2_GCC_NEEDS_MPC |
| |
| config BR2_GCC_VERSION_4_9_X |
| bool "gcc 4.9.x" |
| # Broken or unsupported architectures |
| depends on !BR2_arc |
| # PR60102 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60102 |
| select BR2_GCC_NEEDS_MPC |
| select BR2_GCC_SUPPORTS_GRAPHITE |
| |
| config BR2_GCC_VERSION_5_X |
| bool "gcc 5.x" |
| # Broken or unsupported architectures |
| depends on !BR2_arc |
| select BR2_GCC_NEEDS_MPC |
| select BR2_GCC_SUPPORTS_GRAPHITE |
| |
| endchoice |
| |
| config BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE |
| bool |
| default y |
| |
| config BR2_GCC_VERSION |
| string |
| default "4.5.4" if BR2_GCC_VERSION_4_5_X |
| default "4.7.4" if BR2_GCC_VERSION_4_7_X |
| default "4.8.5" if BR2_GCC_VERSION_4_8_X |
| default "4.9.3" if BR2_GCC_VERSION_4_9_X |
| default "5.2.0" if BR2_GCC_VERSION_5_X |
| default "arc-2015.06" if BR2_GCC_VERSION_4_8_ARC |
| |
| config BR2_EXTRA_GCC_CONFIG_OPTIONS |
| string "Additional gcc options" |
| default "" |
| help |
| Any additional gcc configure options you may want to |
| include. Those options are applied for all of the gcc |
| initial, gcc intermediate and gcc final passes. |
| |
| config BR2_TOOLCHAIN_BUILDROOT_CXX |
| bool "Enable C++ support" |
| select BR2_INSTALL_LIBSTDCPP |
| help |
| Enable this option if you want your toolchain to support the |
| C++ language and you want C++ libraries to be installed on |
| your target system. |
| |
| config BR2_TOOLCHAIN_BUILDROOT_FORTRAN |
| bool "Enable Fortran support" |
| help |
| Enable this option if you want your toolchain to support the |
| Fortran language and you want Fortran libraries to be |
| installed on your target system. |
| |
| config BR2_GCC_ENABLE_TLS |
| bool "Enable compiler tls support" if BR2_TOOLCHAIN_BUILDROOT_UCLIBC |
| default y |
| depends on BR2_PTHREADS_NATIVE || BR2_TOOLCHAIN_BUILDROOT_EGLIBC || BR2_TOOLCHAIN_BUILDROOT_GLIBC |
| help |
| Enable the compiler to generate code for accessing |
| thread local storage variables |
| |
| config BR2_GCC_ENABLE_LTO |
| bool "Enable compiler link-time-optimization support" |
| select BR2_BINUTILS_ENABLE_LTO |
| help |
| This option enables link-time optimization (LTO) support in |
| gcc. |
| |
| config BR2_GCC_ENABLE_OPENMP |
| bool "Enable compiler OpenMP support" |
| depends on !BR2_PTHREADS_NONE && !BR2_arc && !BR2_microblaze |
| help |
| Enable OpenMP support for the compiler |
| |
| config BR2_GCC_ENABLE_LIBMUDFLAP |
| bool "Enable libmudflap support" |
| # There are architectures, or specific configurations for |
| # which mudflap is not supported. |
| depends on !BR2_ARM_INSTRUCTIONS_THUMB && !BR2_powerpc_SPE |
| depends on !BR2_GCC_VERSION_4_9_X |
| depends on !BR2_GCC_VERSION_5_X |
| help |
| libmudflap is a gcc library used for the mudflap pointer |
| debugging functionality. It is only needed if you intend to |
| use the -fmudflap gcc flag. |
| |
| See http://gcc.gnu.org/wiki/Mudflap_Pointer_Debugging and |
| the help of the gcc -fmudflap option for more details. |
| |
| If you're unsure, leave this option disabled. |
| |
| config BR2_GCC_ENABLE_GRAPHITE |
| bool "Enable graphite support" |
| depends on BR2_GCC_SUPPORTS_GRAPHITE |
| help |
| This option enables the graphite optimizations in the |
| compiler. |