Dear Fellow Autoconfers,
I have just tried to build one of my autotools-based projects on a
machine with Autoconf 2.59 [1], and it does not recognize
AC_PROG_CC_C99
AC_OPENMP
as you can see here:
/netscr/adamsonj/haploid: Wed May 05> libtoolize
Remember to add `AC_PROG_LIBTOOL' to `configure.ac'.[2]
You should add the contents of `/usr/share/aclocal/libtool.m4' to `aclocal.m4'.
/netscr/adamsonj/haploid: Wed May 05> cat /usr/share/aclocal/libtool.m4 >> aclocal.m4
/netscr/adamsonj/haploid: Wed May 05> aclocal
/netscr/adamsonj/haploid: Wed May 05> mkdir m4
/netscr/adamsonj/haploid: Wed May 05> autoreconf -vi
autoreconf: Entering directory `.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: aclocal -I m4
autoreconf: configure.ac: tracing
autoreconf: configure.ac: not using Libtool
autoreconf: running: /usr/bin/autoconf
configure.ac:31: error: possibly undefined macro: AC_USE_SYSTEM_EXTENSIONS
If this token and others are legitimate, please use
m4_pattern_allow.
See the Autoconf documentation.
configure.ac:37: error: possibly undefined macro: AC_PROG_CC_C99
configure.ac:52: error: possibly undefined macro: AC_OPENMP
autoreconf: /usr/bin/autoconf failed with exit status: 1
/netscr/adamsonj/haploid: Wed May 05>
I added a file called "emerald.m4" to the m4 directory containing
m4_pattern_allow(AC_PROG_CC_C99, AC_OPENMP)
and autoreconf runs just fine. However, during the configure stage I
get these errors:
./configure: line 3115: AC_PROG_CC_C99: command not found
./configure: line 19094: AC_OPENMP: command not found
meaning the macros are not expanded when ./configure is written
(right?). However, when I compile, I still get the -lgomp flag.
When were these macros added and what's the best solution for me here?
Thanks,
Joel
Footnotes:
[1] Local development is with version 2.63
[2] I remember doing this when I first wrote configure.ac and it said I
should replace it with LT_INIT which is what I have, but then the older
version complains; I suppose this makes sense.
--
Joel J. Adamson
Servedio Lab
University of North Carolina at Chapel Hill
FSF Member #8164
http://www.unc.edu/~adamsonj
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