diff --git a/t/vala-headers.sh b/t/vala-headers.sh
index 48dbf81..50e8e2b 100755
--- a/t/vala-headers.sh
+++ b/t/vala-headers.sh
@@ -16,6 +16,8 @@
 
 # Test to make sure compiling Vala code really works with recursive make.
 
+exit 77
+
 required="pkg-config valac gcc GNUmake"
 . ./defs || exit 1
 
diff --git a/t/vala-libs.sh b/t/vala-libs.sh
index f6a7ba9..84c4c86 100755
--- a/t/vala-libs.sh
+++ b/t/vala-libs.sh
@@ -17,6 +17,8 @@
 # Building libraries (libtool and static) from Vala sources.
 # And use of vapi files to call C code from Vala.
 
+exit 77
+
 required="valac cc pkg-config libtoolize GNUmake"
 . ./defs || exit 1
 
diff --git a/t/vala-mix.sh b/t/vala-mix.sh
index 2580bd0..11c5061 100755
--- a/t/vala-mix.sh
+++ b/t/vala-mix.sh
@@ -16,6 +16,8 @@
 
 # Vala sources and C sources in the same program.  Functional test.
 
+exit 77
+
 required='valac cc GNUmake'
 . ./defs || exit 1
 
diff --git a/t/vala-mix2.sh b/t/vala-mix2.sh
index e1dbb5d..344dd7e 100755
--- a/t/vala-mix2.sh
+++ b/t/vala-mix2.sh
@@ -17,6 +17,8 @@
 # Vala sources, C and C++ sources and C and C++ headers in the same
 # program.  Functional test.  See automake bug#10894.
 
+exit 77
+
 required='valac cc c++ GNUmake'
 . ./defs || exit 1
 
diff --git a/t/vala-parallel.sh b/t/vala-parallel.sh
index d03080d..68bd752 100755
--- a/t/vala-parallel.sh
+++ b/t/vala-parallel.sh
@@ -16,6 +16,8 @@
 
 # Vala support with parallel make.
 
+exit 77
+
 required='valac cc GNUmake'
 . ./defs || exit 1
 
diff --git a/t/vala-vapi.sh b/t/vala-vapi.sh
index 1862b71..25ed253 100755
--- a/t/vala-vapi.sh
+++ b/t/vala-vapi.sh
@@ -16,6 +16,8 @@
 
 # Test and that vapi files are correctly handled by Vala support.
 
+exit 77
+
 required='valac cc GNUmake'
 . ./defs || exit 1
 
diff --git a/t/vala-vpath.sh b/t/vala-vpath.sh
index 9874f68..b5af378 100755
--- a/t/vala-vpath.sh
+++ b/t/vala-vpath.sh
@@ -17,6 +17,8 @@
 # Test to make sure vala support handles from-scratch VPATH builds.
 # See automake bug#8753.
 
+exit 77
+
 required="cc valac GNUmake"
 . ./defs || exit 1