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openwrt/toolchain/gcc/Config.in
Felix Fietkau 61eee1adfb toolchain/gcc: switch to version 7 by default
Newer GCC versions are reported to improve code size on various ARM
devices, which is why newer u-boot versions require them now.
There have also been user reports of data corruption issues fixed on
MIPS by updating from GCC 5 to GCC 7.

This update was previously held up by these two MIPS compile issues,
which have since been fixed:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83496
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84790

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2018-03-12 12:19:23 +01:00

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# Choose gcc version.
choice
prompt "GCC compiler Version" if TOOLCHAINOPTS
default GCC_USE_VERSION_7_1_ARC if arc
default GCC_USE_VERSION_7
help
Select the version of gcc you wish to use.
config GCC_USE_VERSION_7_1_ARC
select GCC_VERSION_7_1_ARC
bool "gcc 7.1.x with support of ARC cores"
depends on arc
config GCC_USE_VERSION_5
bool "gcc 5.x"
depends on !arc
config GCC_USE_VERSION_6
bool "gcc 6.x"
depends on !arc
config GCC_USE_VERSION_7
bool "gcc 7.x"
depends on !arc
endchoice
config GCC_USE_GRAPHITE
bool
prompt "Compile in support for the new Graphite framework in GCC 4.4+" if TOOLCHAINOPTS
config EXTRA_GCC_CONFIG_OPTIONS
string
prompt "Additional gcc configure options" if TOOLCHAINOPTS
default ""
help
Any additional gcc options you may want to include....
config GCC_DEFAULT_PIE
bool
prompt "Build executable with PIE enabled by default" if TOOLCHAINOPTS
depends on !GCC_USE_VERSION_5
default n
help
Use gcc configure option --enable-default-pie to turn on -fPIE and -pie by default.
config GCC_DEFAULT_SSP
bool
prompt "Build executable with Stack-Smashing Protection enabled by default" if TOOLCHAINOPTS
default n
help
Use gcc configure option --enable-default-ssp to turn on -fstack-protector-strong by default.
config GCC_LIBSSP
bool
prompt "Build gcc libssp" if TOOLCHAINOPTS
depends on !USE_MUSL
default y if !USE_MUSL
help
Enable Stack-Smashing Protection support
config SJLJ_EXCEPTIONS
bool
prompt "Use setjump()/longjump() exceptions" if TOOLCHAINOPTS
default n
help
Use old setjump()/longjump() exceptions instead of the newer
frame unwinding exceptions handling routines. Warning: increases
code size and runtime memory usage.
config INSTALL_GFORTRAN
bool
prompt "Build/install fortran compiler?" if TOOLCHAINOPTS
default n
help
Build/install GNU fortran compiler ?
config INSTALL_GCCGO
bool
prompt "Build/install Go compiler?" if TOOLCHAINOPTS
depends on USE_GLIBC || BROKEN
default n
help
Build/install GNU gccgo compiler ?