diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index e05ba785f06f..df36a8db6315 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-02-23  Thomas Schwinge  <thomas@codesourcery.com>
+
+	PR target/65181
+	* config/nvptx/t-nvptx (INHIBIT_LIBC_CFLAGS): Define to
+	-Dinhibit_libc.
+
 2015-02-17  Sandra Loosemore  <sandra@codesourcery.com>
 
 	* config/arm/bpabi.S (test_div_by_zero): Make label names
diff --git a/libgcc/config/nvptx/t-nvptx b/libgcc/config/nvptx/t-nvptx
index 08d3a67189ef..34d68cca6cd6 100644
--- a/libgcc/config/nvptx/t-nvptx
+++ b/libgcc/config/nvptx/t-nvptx
@@ -7,3 +7,8 @@ LIB2FUNCS_EXCLUDE=__main
 
 crt0.o: $(srcdir)/config/nvptx/crt0.s
 	cp $< $@
+
+# Prevent building "advanced" stuff (for example, gcov support).  We don't
+# support it, and it may cause the build to fail, because of alloca usage, for
+# example.
+INHIBIT_LIBC_CFLAGS = -Dinhibit_libc