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