diff --git a/ChangeLog b/ChangeLog
index 4d580b5c..a3733a66 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+1999-01-19  Pavel Roskin  <pavel_roskin@geocities.com>
+
+	* ifnames.sh: Source lines ending with backslash are prepended to
+ 	the following line before further processing.
+
 1999-01-19  Ben Elliston  <bje@cygnus.com>
 
 	* acspecific.m4 (AC_PROG_CXXCPP): Substitute @CXXCPP@ correctly
diff --git a/bin/ifnames.in b/bin/ifnames.in
index 7709d283..051e7e09 100644
--- a/bin/ifnames.in
+++ b/bin/ifnames.in
@@ -90,6 +90,15 @@ fi
     }
   }
 
+  {
+    while (sub(/\\$/, "", $0) > 0) {
+      if ((getline tmp) > 0)
+	$0 = $0 tmp
+      else
+	break
+    }
+  }
+
   /^[\t ]*#/ {
     if (sub(/^[\t ]*#[\t ]*ifn?def[\t ]+/, "", $0)) {
       sub(/[^A-Za-z_0-9].*/, "", $0)
diff --git a/ifnames.in b/ifnames.in
index 7709d283..051e7e09 100644
--- a/ifnames.in
+++ b/ifnames.in
@@ -90,6 +90,15 @@ fi
     }
   }
 
+  {
+    while (sub(/\\$/, "", $0) > 0) {
+      if ((getline tmp) > 0)
+	$0 = $0 tmp
+      else
+	break
+    }
+  }
+
   /^[\t ]*#/ {
     if (sub(/^[\t ]*#[\t ]*ifn?def[\t ]+/, "", $0)) {
       sub(/[^A-Za-z_0-9].*/, "", $0)
diff --git a/ifnames.sh b/ifnames.sh
index 7709d283..051e7e09 100644
--- a/ifnames.sh
+++ b/ifnames.sh
@@ -90,6 +90,15 @@ fi
     }
   }
 
+  {
+    while (sub(/\\$/, "", $0) > 0) {
+      if ((getline tmp) > 0)
+	$0 = $0 tmp
+      else
+	break
+    }
+  }
+
   /^[\t ]*#/ {
     if (sub(/^[\t ]*#[\t ]*ifn?def[\t ]+/, "", $0)) {
       sub(/[^A-Za-z_0-9].*/, "", $0)