<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_RESOLVED bz_closed" title="RESOLVED FIXED - compiling glsl fails with undefined reference to `pthread_create'" href="https://bugs.freedesktop.org/show_bug.cgi?id=101071#c16">Comment # 16</a> on <a class="bz_bug_link bz_status_RESOLVED bz_closed" title="RESOLVED FIXED - compiling glsl fails with undefined reference to `pthread_create'" href="https://bugs.freedesktop.org/show_bug.cgi?id=101071">bug 101071</a> from <a class="email" href="mailto:john.ettedgui@gmail.com" title="John <john.ettedgui@gmail.com>"> John</a> <pre>Hello, I've been having the same issue for a while, even with Emil's patch on master: libtool: link: ( cd "glsl/.libs" && rm -f "libstandalone.la" && ln -s "../libstandalone.la" "libstandalone.la" ) /bin/sh ../../libtool --tag=CXX --mode=link g++ -fvisibility=hidden -Werror=pointer-arith -Werror=vla -march=native -O2 -pipe -fstack-protector-strong -fno-plt -fstack-check -flto=8 -g -fvar-tracking-assignments -g -fvar-tracking-assignments -Wall -fno-math-errno -fno-trapping-math -Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now -Wl,-flto -o glsl_compiler glsl/main.o glsl/libstandalone.la libtool: link: g++ -fvisibility=hidden -Werror=pointer-arith -Werror=vla -march=native -O2 -pipe -fstack-protector-strong -fno-plt -fstack-check -flto=8 -g -fvar-tracking-assignments -g -fvar-tracking-assignments -Wall -fno-math-errno -fno-trapping-math -Wl,-O1 -Wl,--sort-common -Wl,--as-needed -Wl,-z -Wl,relro -Wl,-z -Wl,now -Wl,-flto -o glsl_compiler glsl/main.o glsl/.libs/libstandalone.a -lz -lpthread -pthread /usr/lib/gcc/x86_64-pc-linux-gnu/7.1.1/../../../../lib/libstdc++.so: undefined reference to `pthread_create' /usr/lib/gcc/x86_64-pc-linux-gnu/7.1.1/../../../../lib/libstdc++.so: undefined reference to `pthread_once' /usr/lib/gcc/x86_64-pc-linux-gnu/7.1.1/../../../../lib/libstdc++.so: undefined reference to `pthread_join' collect2: error: ld returned 1 exit status If I remove "--as-needed" from my LDFLAGS it compiles with no problem. I'm on GCC 7.1.1, glibc 2.25, not cross-compiling, but compiling for my system. What am I doing wrong? Thanks!</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>