diff --git a/config/cc/gcc.in b/config/cc/gcc.in index 4d0a3eef..f4b0b7ef 100644 --- a/config/cc/gcc.in +++ b/config/cc/gcc.in @@ -179,6 +179,25 @@ config CC_GCC_USE_LTO help Enable the Link Time Optimisations. +config CC_GCC_LTO_ZSTD + tristate + prompt "Support LTO compression with zstd" + default m + depends on CC_GCC_USE_LTO + depends on GCC_10_or_later + depends on ! STATIC_TOOLCHAIN + help + Support zstd compression for LTO object files. This will require + libzstd to be installed when using the toolchain + + Option | ZSTD use | Associated ./configure switch + ---------+--------------------+-------------------------------- + Y | forcibly used | --with-zstd + M | auto | (none, ./configure decides) + N | forcibly not used | --without-zstd + + If unsure, say 'M' + #----------------------------------------------------------------------------- comment "Settings for libraries running on target" diff --git a/scripts/build/cc/gcc.sh b/scripts/build/cc/gcc.sh index 4e0def05..fdfa7d65 100644 --- a/scripts/build/cc/gcc.sh +++ b/scripts/build/cc/gcc.sh @@ -1130,6 +1130,11 @@ do_gcc_backend() { else extra_config+=("--disable-lto") fi + case "${CT_CC_GCC_LTO_ZSTD}" in + y) extra_config+=("--with-zstd");; + m) ;; + *) extra_config+=("--without-zstd");; + esac if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")