On 17 May 2018 at 07:58, tong chen wrote: > hi, all: > > I'm compiling libelf.so of elfutils with: > > cc -std=gnu99 -Wall -Wshadow -Wformat=2 -Wold-style-definition > -Wstrict-prototypes -Werror -Wunused -Wextra -Wstack-usage=262144 > -I/home/tom/new_from_st_170401/code/code/julp/build/host/include > -fgnu89-inline -fbuiltin > -L/home/tom/new_from_st_170401/code/code/julp/build/host/lib -lintl > -lz -o libelf.so -shared -o libelf.so > -Wl,--whole-archive,./libelf/libelf_pic.a,--no-whole-archive,--no-undefined > -Wl,--version-script,./libelf/libelf.map,--no-undefined > -Wl,--soname,libelf.so.1,-z,defs,-z,relro > > It reports some undefined reference from libelf_pic.a archive. > But if surround "-lint -lz" with --start-group/--end-group, like this: > > -Wl,--start-group -lintl -lz -Wl,--end-group > > It still reports undefined symbols. To remove this error, I must > place "-lint -lz" in the end of the cmd, after libelf_pic.a. > > Am I using wrong? lintl and lz archives seem haven't been searched > repeatedly. Have you tried moving -lint -lz to the end of the command?
