Files: tests/test-tsearch.sh tests/test-tsearch.c tests/signature.h Depends-on: stdint configure.ac: TEST_TSEARCH_LIBM= AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[#ifndef __NO_MATH_INLINES # define __NO_MATH_INLINES 1 /* for glibc */ #endif #include double x;]], [[x = log (x);]])], [], [TEST_TSEARCH_LIBM=-lm]) AC_SUBST([TEST_TSEARCH_LIBM]) AC_CHECK_FUNCS_ONCE([initstate]) Makefile.am: TESTS += test-tsearch.sh check_PROGRAMS += test-tsearch test_tsearch_LDADD = $(LDADD) @TEST_TSEARCH_LIBM@