added -ldl to the build process

hcl/Makefile.in

@@ -163,8 +163,8 @@ am__DIST_COMMON = $(srcdir)/Makefile.in $(top_srcdir)/ac/ar-lib \
 	$(top_srcdir)/ac/compile $(top_srcdir)/ac/config.guess \
 	$(top_srcdir)/ac/config.sub $(top_srcdir)/ac/install-sh \
 	$(top_srcdir)/ac/ltmain.sh $(top_srcdir)/ac/missing ac/ar-lib \
-	ac/compile ac/config.guess ac/config.sub ac/depcomp \
-	ac/install-sh ac/ltmain.sh ac/missing
+	ac/compile ac/config.guess ac/config.sub ac/install-sh \
+	ac/ltmain.sh ac/missing
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 distdir = $(PACKAGE)-$(VERSION)
 top_distdir = $(distdir)
@@ -229,6 +229,7 @@ CYGPATH_W = @CYGPATH_W@
 DEFS = @DEFS@
 DEPDIR = @DEPDIR@
 DLLTOOL = @DLLTOOL@
+DL_LIBS = @DL_LIBS@
 DSYMUTIL = @DSYMUTIL@
 DUMPBIN = @DUMPBIN@
 ECHO_C = @ECHO_C@

hcl/configure

@@ -657,6 +657,7 @@ PACKAGE_VERSION_MINOR
 PACKAGE_VERSION_MAJOR
 QUADMATH_LIBS
 UNICOWS_LIBS
+DL_LIBS
 LIBM
 WIN32_FALSE
 WIN32_TRUE
@@ -17587,6 +17588,65 @@ fi
 done
 
 
+save_LIBS="$LIBS"
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5
+$as_echo_n "checking for library containing dlopen... " >&6; }
+if ${ac_cv_search_dlopen+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
+int
+main ()
+{
+return dlopen ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' dl dld; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_search_dlopen=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if ${ac_cv_search_dlopen+:} false; then :
+  break
+fi
+done
+if ${ac_cv_search_dlopen+:} false; then :
+
+else
+  ac_cv_search_dlopen=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dlopen" >&5
+$as_echo "$ac_cv_search_dlopen" >&6; }
+ac_res=$ac_cv_search_dlopen
+if test "$ac_res" != no; then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+  DL_LIBS="$ac_cv_search_dlopen"
+fi
+
+LIBS="$save_LIBS"
+
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lunicows" >&5
 $as_echo_n "checking for main in -lunicows... " >&6; }

hcl/lib/Makefile.am

@@ -15,12 +15,12 @@ CPPFLAGS_LIB_COMMON = $(CPPFLAGS_ALL_COMMON)
 LDFLAGS_LIB_COMMON = $(LDFLAGS_ALL_COMMON) -version-info 1:0:0 -no-undefined
 LIBADD_LIB_COMMON = $(LIBM)
 
-if ENABLE_LIBLTDL
-CPPFLAGS_LIB_COMMON += $(LTDLINCL)
-LIBADD_LIB_COMMON += $(LIBLTDL)
-else
+#if ENABLE_LIBLTDL
+#CPPFLAGS_LIB_COMMON += $(LTDLINCL)
+#LIBADD_LIB_COMMON += $(LIBLTDL)
+#else
 LIBADD_LIB_COMMON += $(DL_LIBS)
-endif
+#endif
 
 pkgincludedir = $(includedir)
 pkglibdir = $(libdir)

hcl/lib/Makefile.in

@@ -135,7 +135,7 @@ am__installdirs = "$(DESTDIR)$(pkglibdir)" "$(DESTDIR)$(bindir)" \
 	"$(DESTDIR)$(pkgincludedir)"
 LTLIBRARIES = $(pkglib_LTLIBRARIES)
 am__DEPENDENCIES_1 =
-am__DEPENDENCIES_2 = $(am__DEPENDENCIES_1)
+am__DEPENDENCIES_2 = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1)
 libhcl_la_DEPENDENCIES = $(am__DEPENDENCIES_2)
 am_libhcl_la_OBJECTS = libhcl_la-bigint.lo libhcl_la-comp.lo \
 	libhcl_la-debug.lo libhcl_la-decode.lo libhcl_la-dic.lo \
@@ -223,6 +223,7 @@ CTAGS = ctags
 am__DIST_COMMON = $(srcdir)/Makefile.in $(srcdir)/hcl-cfg.h.in \
 	$(top_srcdir)/ac/depcomp
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+#endif
 pkgincludedir = $(includedir)
 pkglibdir = $(libdir)
 ACLOCAL = @ACLOCAL@
@@ -247,6 +248,7 @@ CYGPATH_W = @CYGPATH_W@
 DEFS = @DEFS@
 DEPDIR = @DEPDIR@
 DLLTOOL = @DLLTOOL@
+DL_LIBS = @DL_LIBS@
 DSYMUTIL = @DSYMUTIL@
 DUMPBIN = @DUMPBIN@
 ECHO_C = @ECHO_C@
@@ -381,7 +383,12 @@ LDFLAGS_ALL_COMMON = -L$(abs_builddir) -L$(libdir)
 ##################################################
 CPPFLAGS_LIB_COMMON = $(CPPFLAGS_ALL_COMMON)
 LDFLAGS_LIB_COMMON = $(LDFLAGS_ALL_COMMON) -version-info 1:0:0 -no-undefined
-LIBADD_LIB_COMMON = $(LIBM)
+
+#if ENABLE_LIBLTDL
+#CPPFLAGS_LIB_COMMON += $(LTDLINCL)
+#LIBADD_LIB_COMMON += $(LIBLTDL)
+#else
+LIBADD_LIB_COMMON = $(LIBM) $(DL_LIBS)
 pkginclude_HEADERS = \
 	hcl-cfg.h \
 	hcl-cmn.h \