X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=configure.ac;h=b1e98b478be78343abbe56526a38d27bab533589;hb=0a1ab8bf8f4c76c809c63ff26d0aa4a5af418728;hp=50f8de43fc9ba14458d0e8baa9e10d3e33ca014b;hpb=7de20e391530026e9c7bce986dc5d212a48673e8;p=libserialport.git

diff --git a/configure.ac b/configure.ac
index 50f8de4..b1e98b4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -86,10 +86,15 @@ SP_PKGLIBS=""
 
 case $target_os in
 *linux*)
-	# On Linux libudev is currently a hard requirement.
+	# On Linux libudev is currently required for enumeration.
+	AC_ARG_WITH([libudev],
+            [AS_HELP_STRING([--with-libudev],
+            [use libudev for serial port enumeration @<:@default=check@:>@])],
+            [], [with_libudev=check])
+	AS_IF([test "x$with_libudev" != xno], [
 	PKG_CHECK_MODULES([libudev], [libudev >= 0],
 		[CFLAGS="$CFLAGS $libudev_CFLAGS"; LIBS="$LIBS $libudev_LIBS";
-		SP_PKGLIBS="$SP_PKGLIBS libudev"])
+		SP_PKGLIBS="$SP_PKGLIBS libudev"; AC_DEFINE(HAVE_LIBUDEV)])], [])
 	;;
 *darwin*)
 	LDFLAGS="$LDFLAGS -Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation"