promote operands to shift operations to int

[fw/sdcc] / configure.in

diff --git a/configure.in b/configure.in
index 1cf8153a3a4c7042f85d85801e86201c3237650a..b3c478a3ac29a5d7f98c105efbac9de56ec095c5 100755 (executable)
--- a/configure.in
+++ b/configure.in
@@ -37,12 +37,21 @@ AC_PROG_CXX
 AC_PROG_CPP
 AC_PROG_INSTALL
 AC_PROG_RANLIB
-AC_PROG_YACC(bison, :)
 AC_PROG_LEX(flex, :)
+AC_CHECK_PROG(YACC, bison, bison -y, :)
 AC_CHECK_PROG(AUTOCONF, autoconf, autoconf, :)
 AC_CHECK_PROG(AS, as, as, :)
 AC_CHECK_PROG(CP, cp, cp, :)
 
+AC_DEFUN(SDCC_REQUIRE_PROG, 
+[if test "$1" = ":"; then
+  AC_MSG_ERROR([Cannot find required program $2.])
+ fi
+])
+
+SDCC_REQUIRE_PROG($YACC, bison)
+SDCC_REQUIRE_PROG($LEX, lex)
+
 AC_LANG_C
 
 # Checking for header files.
@@ -223,9 +232,20 @@ else
     AC_DEFINE_UNQUOTED(OPT_DISABLE_AVR, 0)
 fi
 
+AC_ARG_ENABLE(boehm-gc,--disable-boehm-gc: Excludes sdcc use of libgc.)
+AC_SUBST(DISABLE_GC,1)
+if test "$enable_boehm_gc" = "no"; then
+    AC_DEFINE(OPT_DISABLE_GC, 1)
+    DISABLE_GC=1
+else
+    AC_DEFINE(OPT_DISABLE_GC, 0)
+    DISABLE_GC=0
+fi
+
 # Generating output files
 # ===========================================================================
 AC_CONFIG_SUBDIRS(sim/ucsim)
+AC_CONFIG_SUBDIRS(packihx)
 # MLH: removed as the rules are already in Makefile.common
 #as/z80/Makefile
 #link/z80/Makefile