+AC_SUBST(LIBTHREAD)
+AC_SUBST(CFLAGSTHREADS)
+HAVETHREADS=0
+CFLAGSTHREADS=""
+LIBTHREAD=""
+dnl
+dnl ------ GNU threads
+AC_ARG_ENABLE(pth, [ --enable-pth enable GNU threads],[enable_pth=$enableval],[enable_pth=no])
+AC_SUBST(LIBPTH)
+if test "$enable_pth" = "yes"; then
+ OLIBS=$LIBS
+ AC_CHECK_LIB(pth,main)
+ if test "$ac_cv_lib_pth_main" = "yes"; then
+ AC_CHECK_HEADERS(pth.h)
+ if test "$ac_cv_header_pth_h" = "yes"; then
+ LIBTHREAD="-lpth"
+ CFLAGSTHREADS="-DYAZ_GNU_THREADS=1"
+ HAVETHREADS=1
+ fi
+ fi
+ LIBS=$OLIBS
+fi
+dnl
+dnl ------ POSIX Threads
+AC_ARG_ENABLE(threads, [ --disable-threads disable POSIX threads],[enable_threads=$enableval],[enable_threads=yes])
+if test "$enable_threads" = "yes" -a "$HAVETHREADS" = "0"; then
+ OLIBS=$LIBS
+ OCC=$CC
+ AC_CHECK_LIB(pthread,main)
+ AC_MSG_CHECKING(for working POSIX Threads)
+ AC_TRY_LINK([#include <pthread.h>
+ void *func(void *p) { return 0; }
+ ],[
+ pthread_t pthread_id;
+ pthread_create (&pthread_id, 0, func, 0);],
+ thread_ok=yes,thread_ok=no)
+ if test "$thread_ok" = "yes"; then
+ AC_MSG_RESULT(yes)
+ LIBTHREAD="-lpthread"
+ CFLAGSTHREADS="-DYAZ_POSIX_THREADS=1 -D_REENTRANT"
+ HAVETHREADS=1
+ else
+ CC="$CC -pthread"
+ AC_TRY_LINK([#include <pthread.h>
+ void *func(void *p) { return 0; }
+ ],[
+ pthread_t pthread_id;
+ pthread_create (&pthread_id, 0, func, 0);],
+ thread_ok=yes,thread_ok=no)
+ if test "$thread_ok" = "yes"; then
+ AC_MSG_RESULT([yes,BSD])
+ CFLAGSTHREADS="-pthread -DYAZ_POSIX_THREADS=1 -D_REENTRANT"
+ LIBTHREAD="-pthread"
+ HAVETHREADS=1
+ fi
+ fi
+ if test "$thread_ok" = "no"; then
+ AC_MSG_RESULT(no)
+ fi
+ CC=$OCC
+ LIBS=$OLIBS
+fi
+AM_CONDITIONAL(ISTHR, test $HAVETHREADS = "1")
+dnl
+dnl ----- libXML2
+AC_SUBST(XML2_LIBS)
+AC_SUBST(XML2_CFLAGS)
+xml2dir=default
+AC_ARG_WITH(xml2, [ --with-xml2[=PREFIX] use libxml2 in PREFIX],[xml2dir=$withval])
+if test "$xml2dir" = "yes" -o "$xml2dir" = "default"; then
+ for d in /usr /usr/local; do
+ if test -x $d/bin/xml2-config; then
+ xml2dir=$d
+ fi
+ done
+fi
+if test "$xml2dir" != "no"; then
+ AC_MSG_CHECKING(for libXML2)
+ if test -x $xml2dir/bin/xml2-config; then
+ XML2_LIBS=`$xml2dir/bin/xml2-config --libs`
+ LIBS="$XML2_LIBS $LIBS"
+ XML2_CFLAGS=`$xml2dir/bin/xml2-config --cflags`
+ XML2_VER=`$xml2dir/bin/xml2-config --version`
+ AC_MSG_RESULT($XML2_VER)
+ AC_DEFINE(HAVE_XML2)
+ else
+ AC_MSG_RESULT([Not found])
+ if test "$xml2dir" != "default"; then
+ AC_MSG_ERROR([libXML2 development libraries missing])
+ fi