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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
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<title>
Autoconf Macro: am_with_mpatrol
</title>
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<hr>
<h1>
am_with_mpatrol
</h1>
<h2>
Synopsis
</h2>
<p class="indent" style="white-space:nowrap;">
<code>AM_WITH_MPATROL(DEFAULT)</code>
</p>
<h2>
Description
</h2>
<div class="indent">
<p>
Integrates the mpatrol malloc debugging library into a new or existing
project and also attempts to determine the support libraries that need to
be linked in when libmpatrol is used.
</p>
<p>
It takes one optional parameter specifying whether mpatrol should be
included in the project (`yes') or not (`no'). This can also be specified
as `threads' if you wish to use the threadsafe version of the mpatrol
library. You can override the value of the optional parameter with the
`--with-mpatrol' option to the resulting `configure' shell script.
</p>
</div>
<h2>
Author
</h2>
<p class="indent">
Graeme S. Roy <graeme@epc.co.uk>
</p>
<h2>
Last Modified
</h2>
<p class="indent">
2003-10-29
</p>
<h2>
M4 Source Code
</h2>
<div class="indent">
<pre class="m4source">
AC_DEFUN([AM_WITH_MPATROL], [
# Firstly, determine if the mpatrol library should be used.
AC_MSG_CHECKING(if mpatrol should be used)
AC_ARG_WITH(mpatrol,
[ --with-mpatrol build with the mpatrol library],
[case "$withval" in
threads)
am_with_mpatrol=1
am_with_mpatrol_threads=1;;
yes)
am_with_mpatrol=1
am_with_mpatrol_threads=0;;
no)
am_with_mpatrol=0
am_with_mpatrol_threads=0;;
*)
AC_MSG_RESULT(no)
AC_MSG_ERROR(invalid value $withval for --with-mpatrol);;
esac
],
[if test "x[$1]" = x
then
am_with_mpatrol=0
am_with_mpatrol_threads=0
elif test "[$1]" = no
then
am_with_mpatrol=0
am_with_mpatrol_threads=0
elif test "[$1]" = yes
then
am_with_mpatrol=1
am_with_mpatrol_threads=0
elif test "[$1]" = threads
then
am_with_mpatrol=1
am_with_mpatrol_threads=1
else
AC_MSG_RESULT(no)
AC_MSG_ERROR(invalid argument [$1])
fi
]
)
if test "$am_with_mpatrol" = 1
then
AC_MSG_RESULT(yes)
# Next, determine which support libraries are available on this
# system. If we don't do this here then we can't link later with
# the mpatrol library to perform any further tests.
am_with_mpatrol_libs=""
AC_CHECK_LIB(ld, ldopen,
am_with_mpatrol_libs="$am_with_mpatrol_libs -lld")
AC_CHECK_LIB(elf, elf_begin,
am_with_mpatrol_libs="$am_with_mpatrol_libs -lelf")
AC_CHECK_LIB(bfd, bfd_init,
am_with_mpatrol_libs="$am_with_mpatrol_libs -lbfd -liberty", ,
-liberty)
AC_CHECK_LIB(imagehlp, SymInitialize,
am_with_mpatrol_libs="$am_with_mpatrol_libs -limagehlp")
AC_CHECK_LIB(cl, U_get_previous_frame,
am_with_mpatrol_libs="$am_with_mpatrol_libs -lcl")
AC_CHECK_LIB(exc, unwind,
am_with_mpatrol_libs="$am_with_mpatrol_libs -lexc")
# Now determine which libraries really need to be linked in with
# the version of libmpatrol that is on this system. For example,
# if the system has libelf and libbfd, we need to determine which
# of these, if any, libmpatrol was built with support for.
am_with_mpatrol_libs2=""
AC_CHECK_LIB(mpatrol, __mp_libld,
am_with_mpatrol_libs2="$am_with_mpatrol_libs2 -lld", ,
$am_with_mpatrol_libs)
AC_CHECK_LIB(mpatrol, __mp_libelf,
am_with_mpatrol_libs2="$am_with_mpatrol_libs2 -lelf", ,
$am_with_mpatrol_libs)
AC_CHECK_LIB(mpatrol, __mp_libbfd,
am_with_mpatrol_libs2="$am_with_mpatrol_libs2 -lbfd -liberty", ,
$am_with_mpatrol_libs)
AC_CHECK_LIB(mpatrol, __mp_libimagehlp,
am_with_mpatrol_libs2="$am_with_mpatrol_libs2 -limagehlp", ,
$am_with_mpatrol_libs)
AC_CHECK_LIB(mpatrol, __mp_libcl,
am_with_mpatrol_libs2="$am_with_mpatrol_libs2 -lcl", ,
$am_with_mpatrol_libs)
AC_CHECK_LIB(mpatrol, __mp_libexc,
am_with_mpatrol_libs2="$am_with_mpatrol_libs2 -lexc", ,
$am_with_mpatrol_libs)
# If we are using the threadsafe mpatrol library then we may also need
# to link in the threads library. We check blindly for pthreads here
# even if we don't need them (in which case it doesn't matter) since
# the threads libraries are linked in by default on AmigaOS, Windows
# and Netware and it is only UNIX systems that we need to worry about.
if test "$am_with_mpatrol_threads" = 1
then
AC_CHECK_LIB(pthread, pthread_mutex_init,
am_with_mpatrol_libs2="$am_with_mpatrol_libs2 -lpthread", [
AC_CHECK_LIB(pthreads, pthread_mutex_init,
am_with_mpatrol_libs2="$am_with_mpatrol_libs2 -lpthreads", [
AC_CHECK_LIB(thread, pthread_mutex_init,
am_with_mpatrol_libs2="$am_with_mpatrol_libs2 -lthread")
]
)
]
)
fi
# We now know what libraries to use in order to link with libmpatrol.
AC_DEFINE(HAVE_MPATROL, 1, [Define if using mpatrol])
if test "$am_with_mpatrol_threads" = 1
then
LIBS="-lmpatrolmt $am_with_mpatrol_libs2 $LIBS"
else
LIBS="-lmpatrol $am_with_mpatrol_libs2 $LIBS"
fi
# Finally, verify that mpatrol is correctly installed and that we can
# link a simple program with it.
AC_CACHE_CHECK(for working mpatrol, am_cv_with_mpatrol, [
AC_TRY_LINK([#include <mpatrol.h>], [
int main(void)
{
malloc(4);
return EXIT_SUCCESS;
}
],
[am_cv_with_mpatrol=yes],
[am_cv_with_mpatrol=no]
)
]
)
if test "$am_cv_with_mpatrol" = no
then
AC_MSG_ERROR(mpatrol not installed correctly)
fi
else
AC_MSG_RESULT(no)
fi
]
)
</pre>
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