X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=configure.ac;h=340cdbf8da0ed0bd7aa4c2e361efc47246a3ed3b;hp=2e85b26fc90d4830a1d2a3b313a50adae77cc990;hb=c5e80bd04c289fbbaad197349dd56c758ac39439;hpb=32e6a41f33e5576716b351bd473a27939fe94fa1

diff --git a/configure.ac b/configure.ac
index 2e85b26..340cdbf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -19,7 +19,8 @@ AC_INIT([petitboot], [0.2], [Jeremy Kerr <jk@ozlabs.org>])
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_FILES([Makefile])
 
-default_CFLAGS='--std=gnu99 -O2 -Wall -g'
+default_CFLAGS="--std=gnu99 -O2 -g -Wall -W -Wunused -Wstrict-prototypes \
+-Wmissing-prototypes -Wmissing-declarations -Wredundant-decls -Winline"
 
 if test "x$CFLAGS" = "x"; then
     CFLAGS="$default_CFLAGS"
@@ -28,8 +29,28 @@ fi
 AC_PROG_CC
 AC_PROG_INSTALL
 
-PKG_CHECK_MODULES([twin], [libtwin])
-
-mkdir -p discover ui/test ui/common lib/talloc lib/pb-protocol lib/list
+AC_ARG_WITH([twin],
+	[AS_HELP_STRING([--with-twin],
+		[build GUI versions using the twin window system])],
+	[],
+	[with_twin=check])
+
+PBTWIN=
+LIBTWIN=
+AS_IF([test "x$with_twin" != xno],
+	[PKG_CHECK_MODULES([twin], [libtwin], [],
+		[AC_MSG_RESULT([$twin_PKG_ERRORS])
+		AC_MSG_RESULT([Consider adjusting PKG_CONFIG_PATH environment variable])])
+	AC_CHECK_LIB([twin], [main],
+		[AC_SUBST([LIBTWIN], ["-ltwin"])
+			AC_SUBST([PBTWIN], ["y"])
+			AC_DEFINE([HAVE_LIBTWIN], [1], [Define if you have libtwin])],
+		[if test "x$with_twin" != xcheck; then
+			AC_MSG_FAILURE([--with-twin was given, but test for twin failed])
+		fi],
+		[${twin_LIBS}])])
+
+mkdir -p discover lib/list lib/log lib/pb-protocol lib/talloc lib/waiter \
+	test ui/common ui/ncurses ui/test ui/twin
 
 AC_OUTPUT