Full link command, note the -flto=4 argument

link.txt (text/plain), 2.30 KB, created by phkb on 2020-04-09 07:06:49 UTC

/usr/bin/x86_64-pc-linux-gnu-g++ -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector-strong -Wall -Wempty-body -Wignored-qualifiers -Woverloaded-virtual -Wpointer-arith -Wsign-compare -Wtype-limits -Wunreachable-code -Wwrite-strings -Wno-invalid-offsetof -Wc++1z-compat -Wduplicated-cond -Wimplicit-fallthrough -Wno-error=maybe-uninitialized -Wno-error=deprecated-declarations -Wno-error=array-bounds -Wno-error=coverage-mismatch -Wno-error=free-nonheap-object -Wno-error=multistatement-macros -Wno-error=class-memaccess -Wno-error=deprecated-copy -Wformat -Wformat-security -Wformat-overflow=2 -fno-sized-deallocation -pipe -march=native -flifetime-dse=1 -flto -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector-strong -fno-exceptions -fno-strict-aliasing -fno-rtti -ffunction-sections -fdata-sections -fno-exceptions -fno-math-errno -pthread -pipe -freorder-blocks -O2 -fomit-frame-pointer -funwind-tables  -fPIC -shared -Wl,-z,defs -Wl,--gc-sections -Wl,-h,libxul.so -o libxul.so /var/tmp/portage/www-client/firefox-68.6.1/work/firefox-68.6.1/ff/toolkit/library/libxul_so.list  -flto=4 -flifetime-dse=1 -lpthread -Wl,-O1 -Wl,--as-needed -Wl,-rpath=/usr/lib64/firefox,--enable-new-dtags -Wl,--compress-debug-sections=zlib -fuse-ld=gold -fstack-protector-strong -Wl,-z,noexecstack -Wl,-z,text -Wl,-z,relro -Wl,-z,nocopyreloc -Wl,-Bsymbolic-functions -Wl,--icf=safe -Wl,-rpath-link,/var/tmp/portage/www-client/firefox-68.6.1/work/firefox-68.6.1/ff/dist/bin -Wl,-rpath-link,/usr/lib   -fdiagnostics-color ../../js/src/build/libjs_static.a /var/tmp/portage/www-client/firefox-68.6.1/work/firefox-68.6.1/ff/x86_64-unknown-linux-gnu/release/libgkrust.a ../../security/sandbox/linux/libmozsandbox.so ../../config/external/lgpllibs/liblgpllibs.so ../../widget/gtk/mozgtk/stub/libmozgtk_stub.so -Wl,--version-script,symverscript  -ldl  -licui18n -licuuc -licudata -laom -lm -lpthread -ldav1d -lrt -lX11 -lX11-xcb -lxcb -lXcomposite -lXcursor -lXdamage -lXext -lXfixes -lXi -lXrender -ldl -lc -lffi -lplds4 -lplc4 -lnspr4 -lz -lssl3 -lsmime3 -lnss3 -lnssutil3 -lsqlite3 -lfreetype -lfontconfig -L/usr/lib64 -lgraphite2 -lharfbuzz -lpng -lwebpdemux -lwebp -L/usr/lib -levent -lvpx -lpixman-1 -lasound -lpangocairo-1.0 -lpango-1.0 -latk-1.0 -lcairo-gobject -lcairo -lgdk_pixbuf-2.0 -lgio-2.0 -lgobject-2.0 -lglib-2.0 -lxcb-shm -lpangoft2-1.0 -lXt -lgthread-2.0