I am currently also doing this as part of the autoconf-refactor branch.
I believe it's ready for an interim merge to trunk, but I'd like a
second pair of eyes to check it before it's done.
On 3/12/10, Henrik Nordstrom wrote:
> Every AC_CHECK_LIB where we look for main needs to be redone to look for
> some sane function. See bug for details.
>
>
> ons 2010-03-10 klockan 20:59 +1300 skrev Amos Jeffries:
>>
>> revno: 10322
>> committer: Amos Jeffries
>> branch nick: trunk
>> timestamp: Wed 2010-03-10 20:59:21 +1300
>> message:
>> Bug 2873: undefined symbol rint
>>
>> Detect math library properly based on rint synbol we need.
>> On Solaris at least "main" symbol does not exist.
>> modified:
>> configure.in
>> src/Common.am
>> vanligt textdokument-bilaga (r10322.diff)
>> === modified file 'configure.in'
>> --- a/configure.in 2010-02-03 12:36:21 +
>> +++ b/configure.in 2010-03-10 07:59:21 +
>> @@ -2973,14 +2973,22 @@
>>fi
>>
>> AC_CHECK_LIB(regex, main, [REGEXLIB="-lregex"])
>> +MATHLIB=""
>> case "$host_os" in
>> mingw|mingw32)
>> AC_MSG_NOTICE([Use MSVCRT for math functions.])
>> ;;
>> *)
>> -AC_CHECK_LIB(m, main)
>> +AC_SEARCH_LIBS([rint],[m],[
>> +case "$ac_cv_search_rint" in
>> +no*)
>> +;;
>> +*)
>> +MATHLIB="$ac_cv_search_rint"
>> +esac ])
>> ;;
>> esac
>> +AC_SUBST(MATHLIB)
>>
>> dnl Enable IPv6 support
>> AC_MSG_CHECKING([whether to enable IPv6])
>>
>> === modified file 'src/Common.am'
>> --- a/src/Common.am 2009-11-21 05:29:45 +
>> +++ b/src/Common.am 2010-03-10 07:59:21 +
>> @@ -29,6 +29,8 @@
>> $(OBJS): $(top_srcdir)/include/version.h
>> $(top_builddir)/include/autoconf.h
>>
>> ## Because compatibility is almost universal. And the link order is
>> important.
>> +## NP: libmisc util.cc depends on rint from math library
>> COMPAT_LIB = \
>> -L$(top_builddir)/lib -lmiscutil \
>> -$(top_builddir)/compat/libcompat.la
>> +$(top_builddir)/compat/libcompat.la \
>> +$(MATHLIB)
>>
>
>
>
--
/kinkie
