convert to automake

Zend/Makefile.am

@@ -0,0 +1,21 @@
+## Process this file with automake to produce Makefile.in -*- makefile -*-
+AUTOMAKE_OPTIONS=foreign
+noinst_LIBRARIES=libzend.a
+libzend_a_SOURCES=zend_alloc.c zend_compile.c zend_constants.c \
+	zend_execute.c zend_execute_API.c zend_highlight.c zend_llist.c \
+	zend_opcode.c zend_operators.c zend_ptr_stack.c zend_stack.c \
+	zend_variables.c zend-parser.c zend-scanner.c zend.c zend_API.c \
+	zend_extensions.c zend_hash.c zend_list.c zend_indent.c \
+	zend-parser.y zend-scanner.l
+
+# automake isn't too clever about "non-standard" use of lex and yacc
+
+zend-scanner.c: zend-scanner.l
+	$(LEX) -Pzend -ozend-scanner.c -i zend-scanner.l
+
+zend-parser.h: zend-parser.c
+zend-parser.c: zend-parser.y
+	$(YACC) -p zend -v -d zend-parser.y -o zend-parser.c
+
+clean:
+	-rm -f zend-parser.c zend-parser.h zend-scanner.c