[587/587] python "../../build/toolchain/gcc_link_wrapper.py" --output="./mksnapshot" -- x86_64-pc-linux-gnu-g++ -pie -fPIC -Wl,-z,noexecstack -Wl,-z,now -Wl,-z,relro -Wl,-z,defs -Wl,--no-as-needed -lpthread -Wl,--as-needed -fuse-ld=lld -flto=thin -Wl,--thinlto-jobs=8 -Wl,--thinlto-cache-dir=thinlto-cache -Wl,--thinlto-cache-policy,cache_size=10\% -Wl,--lto-O0 -m64 -Wl,-rpath-link=. -Wl,--disable-new-dtags -Wl,-rpath=\$ORIGIN/. -Wl,-rpath-link=. -Wl,-O1 -Wl,--gc-sections -Wl,-O1 -Wl,--as-needed -o "./mksnapshot" -Wl,--start-group @"./mksnapshot.rsp"  -Wl,--end-group   -ldl -lpthread -lrt -licui18n -licuuc -licudata
FAILED: mksnapshot
python "../../build/toolchain/gcc_link_wrapper.py" --output="./mksnapshot" -- x86_64-pc-linux-gnu-g++ -pie -fPIC -Wl,-z,noexecstack -Wl,-z,now -Wl,-z,relro -Wl,-z,defs -Wl,--no-as-needed -lpthread -Wl,--as-needed -fuse-ld=lld -flto=thin -Wl,--thinlto-jobs=8 -Wl,--thinlto-cache-dir=thinlto-cache -Wl,--thinlto-cache-policy,cache_size=10\% -Wl,--lto-O0 -m64 -Wl,-rpath-link=. -Wl,--disable-new-dtags -Wl,-rpath=\$ORIGIN/. -Wl,-rpath-link=. -Wl,-O1 -Wl,--gc-sections -Wl,-O1 -Wl,--as-needed -o "./mksnapshot" -Wl,--start-group @"./mksnapshot.rsp"  -Wl,--end-group   -ldl -lpthread -lrt -licui18n -licuuc -licudata
ld.lld: error: undefined symbol: main
>>> referenced by /usr/lib/gcc/x86_64-pc-linux-gnu/9.2.0/../../../../lib64/Scrt1.o:(_start)
collect2: error: ld returned 1 exit status
ninja: build stopped: subcommand failed.
 * ERROR: dev-util/electron-2.0.17-r2::gentoo failed (compile phase):
 *   (no error message)
 *
 * Call stack:
 *     ebuild.sh, line  125:  Called src_compile
 *   environment, line 5090:  Called eninja '-C' '/var/tmp/notmpfs/portage/dev-util/electron-2.0.17-r2/work/electron-2.0.17/chromium/out/Release' 'mksnapshot'
 *   environment, line 1928:  Called die
 * The specific snippet of code:
 *       "$@" || die
 *
 * If you need support, post the output of `emerge --info '=dev-util/electron-2.0.17-r2::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-util/electron-2.0.17-r2::gentoo'`.
 *
 * You have enabled the custom-cflags USE flag.
 * Please disable it before reporting a bug.
 *
 *
 * MemTotal:        8184028 kB
 * SwapTotal:       8388604 kB
 *
 * The complete build log is located at '/var/tmp/notmpfs/portage/dev-util/electron-2.0.17-r2/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/notmpfs/portage/dev-util/electron-2.0.17-r2/temp/environment'.
 * Working directory: '/var/tmp/notmpfs/portage/dev-util/electron-2.0.17-r2/work/electron-2.0.17/chromium'
 * S: '/var/tmp/notmpfs/portage/dev-util/electron-2.0.17-r2/work/electron-2.0.17'