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_7_X bool "gcc 4.7.x" depends on BR2_DEPRECATED_SINCE_2016_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_a12 && !BR2_pj4 && !BR2_cortex_a17 # 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 # Unsupported for MIPS R6 depends on !BR2_mips_32r6 && !BR2_mips_64r6 select BR2_GCC_NEEDS_MPC select BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 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 && !BR2_cortex_a17 # 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) # Unsupported for MIPS R6 depends on !BR2_mips_32r6 && !BR2_mips_64r6 select BR2_GCC_NEEDS_MPC select BR2_GCC_SUPPORTS_GRAPHITE select BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 config BR2_GCC_VERSION_4_8_ARC bool "gcc 4.8-arc" # Only supported architecture depends on BR2_arc select BR2_GCC_NEEDS_MPC select BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 config BR2_GCC_VERSION_4_9_X bool "gcc 4.9.x" # Broken or unsupported architectures depends on !BR2_arc # Broken or unsupported ARM cores depends on !BR2_cortex_a17 # Unsupported for MIPS R6 depends on !BR2_mips_32r6 && !BR2_mips_64r6 # PR60102 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60102 select BR2_GCC_NEEDS_MPC select BR2_GCC_SUPPORTS_GRAPHITE select BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 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 select BR2_TOOLCHAIN_GCC_AT_LEAST_5 config BR2_GCC_VERSION_6_X bool "gcc 6.x" # Broken or unsupported architectures depends on !BR2_arc select BR2_GCC_NEEDS_MPC select BR2_GCC_SUPPORTS_GRAPHITE select BR2_TOOLCHAIN_GCC_AT_LEAST_6 endchoice config BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE bool default y config BR2_GCC_VERSION string 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 "5.3.0" if BR2_GCC_VERSION_5_X default "6.1.0" if BR2_GCC_VERSION_6_X default "arc-2016.03-rc2" 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.