https://sourceware.org/bugzilla/show_bug.cgi?id=28849
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> --- Created attachment 13949 --> https://sourceware.org/bugzilla/attachment.cgi?id=13949&action=edit A testcase without -lfto [hjl@gnu-tgl-3 pr28849-2]$ make gcc -O2 -c -o z1.o z1.c gcc -shared -fPIC -Wl,-soname,libz3.so -o libz3.so z3.c gcc -shared -fPIC -Wl,-soname,libz2.so -o libz2.so z2.c gcc -Wl,--copy-dt-needed-entries -O2 -o zexec1 -L. -Wl,-R,. z1.o -lz2 -lz3 gcc -Wl,--copy-dt-needed-entries -O2 -o zexec2 -L. -Wl,-R,. z1.o -lz2 /usr/local/bin/ld: z1.o: in function `main': z1.c:(.text.startup+0x5): undefined reference to `should_be_dynamic_in_exec' collect2: error: ld returned 1 exit status make: *** [Makefile:17: zexec2] Error 1 [hjl@gnu-tgl-3 pr28849-2]$ -- You are receiving this mail because: You are on the CC list for the bug.