diff options
Diffstat (limited to 'x11-drivers/nvidia-drivers/nvidia-drivers-515.86.01.ebuild')
| -rw-r--r-- | x11-drivers/nvidia-drivers/nvidia-drivers-515.86.01.ebuild | 64 |
1 files changed, 52 insertions, 12 deletions
diff --git a/x11-drivers/nvidia-drivers/nvidia-drivers-515.86.01.ebuild b/x11-drivers/nvidia-drivers/nvidia-drivers-515.86.01.ebuild index 7cb7cee88bbe..c8a19fc25b38 100644 --- a/x11-drivers/nvidia-drivers/nvidia-drivers-515.86.01.ebuild +++ b/x11-drivers/nvidia-drivers/nvidia-drivers-515.86.01.ebuild @@ -195,20 +195,60 @@ pkg_setup() { BUILD_PARAMS='NV_VERBOSE=1 IGNORE_CC_MISMATCH=yes SYSSRC="${KV_DIR}" SYSOUT="${KV_OUT_DIR}"' BUILD_TARGETS="modules" - if linux_chkconfig_present CC_IS_CLANG; then - ewarn "Warning: clang-built kernel detected, using clang for modules (experimental)" - ewarn "Can use KERNEL_CC and KERNEL_LD environment variables to override if needed." - - tc-is-clang || : "${KERNEL_CC:=${CHOST}-clang}" - if linux_chkconfig_present LD_IS_LLD; then - : "${KERNEL_LD:=ld.lld}" - if linux_chkconfig_present LTO_CLANG_THIN; then - # kernel enables cache by default leading to sandbox violations - BUILD_PARAMS+=' ldflags-y=--thinlto-cache-dir= LDFLAGS_MODULE=--thinlto-cache-dir=' - fi + # Try to match toolchain with kernel only for modules + # (experimental, ideally this should be handled in linux-mod.eclass) + nvidia-tc-set() { + local -n var=KERNEL_${1} + if [[ ! -v var ]]; then + read -r var < <(type -P "${@:2}") || + die "failed to find in PATH at least one of: ${*:2}" + einfo "Forcing '${var}' for modules (set ${!var} to override)" + fi + } + + local tool switch + if linux_chkconfig_present CC_IS_GCC; then + if ! tc-is-gcc; then + switch= + nvidia-tc-set CC {${CHOST}-,}gcc + nvidia-tc-set CXX {${CHOST}-,}g++ # needed by kernel-open + fi + elif linux_chkconfig_present CC_IS_CLANG; then + ewarn "Warning: using ${PN} with a clang-built kernel is largely untested" + if ! tc-is-clang; then + switch=llvm- + nvidia-tc-set CC {${CHOST}-,}clang + nvidia-tc-set CXX {${CHOST}-,}clang++ fi fi - BUILD_PARAMS+=' ${KERNEL_CC:+CC="${KERNEL_CC}"} ${KERNEL_LD:+LD="${KERNEL_LD}"}' + + if linux_chkconfig_present LD_IS_BFD; then + # tc-ld-is-bfd needs https://github.com/gentoo/gentoo/pull/28355 + [[ $(LC_ALL=C $(tc-getLD) --version 2>/dev/null) == "GNU ld"* ]] || + nvidia-tc-set LD {${CHOST}-,}{ld.bfd,ld} + elif linux_chkconfig_present LD_IS_LLD; then + tc-ld-is-lld || nvidia-tc-set LD {${CHOST}-,}{ld.lld,lld} + fi + + if [[ -v switch ]]; then + # only need llvm-nm for lto, but use complete set to be safe + for tool in AR NM OBJCOPY OBJDUMP READELF STRIP; do + case $(LC_ALL=C $(tc-get${tool}) --version 2>/dev/null) in + LLVM*|llvm*) [[ ! ${switch} ]];; + *) [[ ${switch} ]];; + esac && nvidia-tc-set ${tool} {${CHOST}-,}${switch}${tool,,} + done + fi + + # pass unconditionally given exports are semi-ignored except CC/LD + for tool in CC CXX LD AR NM OBJCOPY OBJDUMP READELF STRIP; do + BUILD_PARAMS+=" ${tool}=\"\${KERNEL_${tool}:-\$(tc-get${tool})}\"" + done + + if linux_chkconfig_present LTO_CLANG_THIN; then + # kernel enables cache by default leading to sandbox violations + BUILD_PARAMS+=' ldflags-y=--thinlto-cache-dir= LDFLAGS_MODULE=--thinlto-cache-dir=' + fi if kernel_is -gt ${NV_KERNEL_MAX/./ }; then ewarn "Kernel ${KV_MAJOR}.${KV_MINOR} is either known to break this version of ${PN}" |