Hello. I've managed to resolve compilation problems with LDFLAGS="-Wl,--as-needed" in gigabase [1] package but before I'll report upstream I'd like to ensure that my fix is correct. Without --as-needed everything compiles and works fine. Before fix compilation stopped on error: ./libtool --mode=link i686-pc-linux-gnu-g++ -Wl,--as-needed -pthread -o guess guess.o libgigabase_r.la i686-pc-linux-gnu-g++ -Wl,--as-needed -pthread -o .libs/guess guess.o ./.libs/libgigabase_r.so -L/usr/lib/gcc/i686-pc-linux-gnu/4.1.2 -L/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/../../../../i686-pc-linux-gnu/lib -L/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/../../.. -lstdc++ -lm -lgcc_s -lc -lgcc_s ./.libs/libgigabase_r.so: undefined reference to `pthread_create' Currently I fixed the problem by changing g++ to gcc (i686-pc-linux-gnu-g++ > i686-pc-linux-gnu-gcc) or more rigorously I've changed "LD = $(CXX)" with "LD = $(CC)" in Makefile.in (package without automake). But two questions still remains I'm unsure with the answers on them: 1. Did I understood correctly that the only right way to link is to call gcc instead of g++? In google I found page which states the opposite [2], so I'm really confused. 2. Shall I put -pthread after all objects (after libgigase_r.la) or gcc takes care about -lpthread position by itself? This question arose as at the beginning I've tried to fix the problem by changing linking order and putting -pthread at the end and although this does not fix the problem I'm curious does there exit "right" order for -pthread? References, [1] http://www.garret.ru/~knizhnik/gigabase.html [2] http://www.cs.washington.edu/orgs/acm/tutorials/dev-in-unix/compiler.html Thank you very much in advance, -- Peter.
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