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* ltdl.m4 (AC_WITH_LTDL): New macro to add `--with-included-ltdl'

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option to configure, but to find an appropriate ltdl library and
append the right options to link it.
This commit is contained in:
Gary V. Vaughan 2001-10-28 00:00:00 +00:00
parent 0285781a63
commit e830175dc7
2 changed files with 55 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2001-10-27 Gary V. Vaughan <gary@gnu.org>
* ltdl.m4 (AC_WITH_LTDL): New macro to add `--with-included-ltdl'
option to configure, but to find an appropriate ltdl library and
append the right options to link it.
2001-10-24 Kevin Ryde <user42@zip.com.au>
*libtool.m4 (AC_LIBTOOL_PROG_LD_SHLIBS): Remove a stray ' quote.

50
ltdl.m4
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@ -20,7 +20,55 @@
## configuration script generated by Autoconf, you may include it under
## the same distribution terms that you use for the rest of that program.
# serial 4 AC_LIB_LTDL
# serial 6 AC_LIB_LTDL
# AC_WITH_LTDL
# ------------
# Clients of libltdl can use this macro to allow the installer to
# choose between a shipped copy of the ltdl sources or a preinstalled
# version of the library.
AC_DEFUN([AC_WITH_LTDL],
[AC_REQUIRE([AC_LIB_LTDL])
AC_SUBST([LIBLTDL])
AC_SUBST([INCLTDL])
# Unless the user asks us to check, assume no installed ltdl exists.
use_installed_libltdl=no
AC_ARG_WITH([included_ltdl],
[ --with-included-ltdl use the GNU ltdl sources included here])
if test "x$with_included_ltdl" != xyes; then
# We are not being forced to use the included libltdl sources, so
# decide whether there is a useful installed version we can use.
AC_CHECK_HEADER([ltdl.h],
[AC_CHECK_LIB([ltdl], [lt_dlcaller_register],
[with_included_ltdl=no],
[with_included_ltdl=yes])
])
fi
if test "x$enable_ltdl_install" != xyes; then
# If the user did not specify an installable libltdl, then default
# to a convenience lib.
AC_LIBLTDL_CONVENIENCE
fi
if test "x$with_included_ltdl" = xno; then
# If the included ltdl is not to be used. then Use the
# preinstalled libltdl we found.
AC_DEFINE([HAVE_LTDL], 1,
[Define this if a modern libltdl is already installed])
LIBLTDL=-lltdl
fi
# Report our decision...
AC_MSG_CHECKING([whether to use included libltdl])
AC_MSG_RESULT([$with_included_ltdl])
AC_CONFIG_SUBDIRS([libltdl])
])# AC_WITH_LTDL
# AC_LIB_LTDL
# -----------