sol0$ make
/bin/bash ../libtool --tag=CC --mode=link gcc -DNDEBUG -O2 -g -std=gnu99 -Wall -Wunused-variable -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -g -O2    -o adsi_tests  adsi_tests.o -L../src -lspandsp -lm -ltiff  -lXft -lXext -lX11 -lxml2
gcc -DNDEBUG -O2 -g -std=gnu99 -Wall -Wunused-variable -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -g -O2 -o .libs/adsi_tests adsi_tests.o  -L/home/openpbx/project.openpbx/spandsp-0.0.4/src /home/openpbx/project.openpbx/spandsp-0.0.4/src/.libs/libspandsp.so -lm -ltiff -lXft -lXext -lX11 -lxml2  -R/usr/local/lib
Undefined       first referenced
 symbol             in file
__tgmath_pow                        /home/openpbx/project.openpbx/spandsp-0.0.4/src/.libs/libspandsp.so
__tgmath_log                        /home/openpbx/project.openpbx/spandsp-0.0.4/src/.libs/libspandsp.so
__tgmath_sqrt                       /home/openpbx/project.openpbx/spandsp-0.0.4/src/.libs/libspandsp.so
__tgmath_rint                       /home/openpbx/project.openpbx/spandsp-0.0.4/src/.libs/libspandsp.so
__tgmath_fabs                       /home/openpbx/project.openpbx/spandsp-0.0.4/src/.libs/libspandsp.so
ld: fatal: Symbol referencing errors. No output written to .libs/adsi_tests
collect2: ld returned 1 exit status
*** Error code 1
make: Fatal error: Command failed for target `adsi_tests'
sol0$