Index: Makefile.in
==================================================================
--- Makefile.in
+++ Makefile.in
@@ -74,11 +74,11 @@
 		cp -r $(srcdir)/tcc/win32/include/* "$(DESTDIR)$(PACKAGE_INSTALL_DIR)/include/"; \
 		echo cp -r $(srcdir)/tcc/win32/lib/*.def "$(DESTDIR)$(PACKAGE_INSTALL_DIR)/lib/"; \
 		cp -r $(srcdir)/tcc/win32/lib/*.def "$(DESTDIR)$(PACKAGE_INSTALL_DIR)/lib/"; \
 	fi
 	( for file in $(INSTALL_HEADERS); do echo "#include <$${file}>"; done ) | \
-		$(CPP) -v $(CPPFLAGS) -I$(srcdir)/tcc/include -I$(srcdir)/tcc/include - 2>&1 | awk -f $(srcdir)/headers.awk | while read src dst; do \
+		$(CPP) -v $(CPPFLAGS) -I$(srcdir)/tcc/include -I$(srcdir)/tcc/include - 2>&1 | @AWK@ -f $(srcdir)/headers.awk | while read src dst; do \
 			dst="$(DESTDIR)$(PACKAGE_INSTALL_DIR)/include/$$dst"; \
 			if [ -e "$${dst}" ]; then continue; fi; \
 			dstdir="$$(dirname "$$dst")"; \
 			mkdir -p "$$dstdir"; \
 			echo cp "$$src" "$$dst"; \

Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -1,10 +1,11 @@
 dnl Define ourselves
 AC_INIT(tcc4tcl, @@VERS@@)
 
 dnl Checks for programs.
 AC_PROG_CC
+AC_PROG_CPP
 AC_PROG_MAKE_SET
 AC_PROG_INSTALL
 AC_GNU_SOURCE
 AC_LANG(C)
 
@@ -71,16 +72,18 @@
 		HOST_PATH_SEPARATOR=':'
 		;;
 esac
 AC_SUBST(HOST_PATH_SEPARATOR)
 
+dnl Find a suitable awk
+AC_CHECK_TOOLS(AWK, gawk awk, [false])
+
 dnl Perform Tcl Extension required stuff
 TCLEXT_INIT
 
 dnl This must be done last since it breaks the compilation
 if test "${TCC4TCL_TARGET}" = "shared"; then
-	DC_SETVERSIONSCRIPT([${srcdir}/tcc4tcl.vers], [tcc4tcl.syms])
-	DC_FIND_STRIP_AND_REMOVESYMS([tcc4tcl.syms])
+	DC_SETUP_STABLE_API([${srcdir}/tcc4tcl.vers], [tcc4tcl.syms])
 fi
 
 dnl Produce output
 AC_OUTPUT(Makefile pkgIndex.tcl tcc4tcl.syms)