Hi, On 09/16/13 12:25, Daniel Pocock wrote: > Ubuntu error: > > /bin/bash ../../libtool --tag=CC --mode=link gcc -Wall -pedantic -pthread -g -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -lm -Wl,-Bsymbolic-functions -fPIE -pie -Wl,-z,relro -Wl,-z,now -o tests tests.o check_messages.o check_security.o check_client.o check_collections.o check_invoke.o check_uri.o ../../src/lib/libavis.la ../../packages/check/src/libcheck.la > libtool: link: gcc -Wall -pedantic -pthread -g -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -Wl,-Bsymbolic-functions -fPIE -pie -Wl,-z -Wl,relro -Wl,-z -Wl,now -o .libs/tests tests.o check_messages.o check_security.o check_client.o check_collections.o check_invoke.o check_uri.o -lm ../../src/lib/.libs/libavis.so ../../packages/check/src/.libs/libcheck.a -pthread > ../../src/lib/.libs/libavis.so: undefined reference to `ceilf' > collect2: error: ld returned 1 exit status > make[4]: *** [tests] Error 1 > make[4]: Leaving directory `/tmp/buildd/avis-client-c-1.2.4/src/test' You have the order of libraries incorrect: -lm is a dependency of libavis and therefore needs to be specified afterwards. But from the launchpad page one can see that's only half the story. Anyhow: it's unrelated to autotools. Regards, Thomas -- Thomas Jahns DKRZ GmbH, Department: Application software Deutsches Klimarechenzentrum Bundesstraße 45a D-20146 Hamburg Phone: +49-40-460094-151 Fax: +49-40-460094-270 Email: Thomas Jahns <jahns@xxxxxxx>
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