[Bug gprof/5147] New: unsatisfied symbol 'fabs' in gprof

[haubi at gentoo dot org]

When building binutils-2.18 on hppa-hpux11.11 (without gcc), linking gprof 
fails:

/bin/sh ./libtool --tag=CC --mode=link cc -Wp,-H256000  -O3   -o gprof 
basic_blocks.o call_graph.o cg_arcs.o cg_dfn.o cg_print.o corefile.o gmon_io.o
gprof.o hertz.o hist.o source.o search_list.o symtab.o sym_ids.o utils.o i386.o
alpha.o vax.o tahoe.o sparc.o mips.o flat_bl.o bsd_callg_bl.o fsf_callg_bl.o
../bfd/libbfd.la ../libiberty/libiberty.a
libtool: link: cc -Wp,-H256000 -O3 -o gprof basic_blocks.o call_graph.o
cg_arcs.o cg_dfn.o cg_print.o corefile.o gmon_io.o gprof.o hertz.o hist.o
source.o search_list.o symtab.o sym_ids.o utils.o i386.o alpha.o vax.o tahoe.o
sparc.o mips.o flat_bl.o bsd_callg_bl.o fsf_callg_bl.o  ../bfd/.libs/libbfd.a
../libiberty/libiberty.a
/usr/ccs/bin/ld: Unsatisfied symbols:
   fabs (first referenced in hist.o) (code)
   gmake[4]: *** [gprof] Error 1
   gmake[4]: Leaving directory `/build/binutils-2.18/gprof'
   gmake[3]: *** [all-recursive] Error 1
   gmake[3]: Leaving directory `/build/binutils-2.18/gprof'
   gmake[2]: *** [all] Error 2 
   gmake[2]: Leaving directory `/build/binutils-2.18/gprof'
   gmake[1]: *** [all-gprof] Error 2
   gmake[1]: Leaving directory `/build/binutils-2.18'
   gmake: *** [all] Error 2

It does help to check for fabs() in libm, like done for frexp() in
binutils/configure:

--- binutils-2.18/gprof/configure.in.orig   2007-10-09 09:22:17.289705000 +0200
+++ binutils-2.18/gprof/configure.in    2007-10-09 09:24:26.745972000 +0200
@@ -44,6 +44,9 @@
        [Is the prototype for getopt in <unistd.h> in the expected format?])
 fi

+# Some systems have fabs only in -lm, not in -lc.
+AC_SEARCH_LIBS(fabs, m)
+
 AM_BINUTILS_WARNINGS

 dnl Required by html and install-html

-- 
           Summary: unsatisfied symbol 'fabs' in gprof
           Product: binutils
           Version: 2.18
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gprof
        AssignedTo: unassigned at sources dot redhat dot com
        ReportedBy: haubi at gentoo dot org
                CC: bug-binutils at gnu dot org
 GCC build triplet: hppa2.0w-hp-hpux11.11
  GCC host triplet: hppa2.0w-hp-hpux11.11
GCC target triplet: hppa2.0w-hp-hpux11.11


http://sourceware.org/bugzilla/show_bug.cgi?id=5147

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