Issue 28017: Use -std=gnu99 to get C99 with GNU extensions for bluetooth.h on big endian.
diff --git a/configure b/configure
index 0be0850..4590423 100755
--- a/configure
+++ b/configure
@@ -6858,7 +6858,9 @@
# tweak BASECFLAGS based on compiler and platform
case $GCC in
yes)
- CFLAGS_NODIST="$CFLAGS_NODIST -std=c99"
+ # GNU dialect of C99, enables GNU extensions like __attribute__. GNU99
+ # is required by bluetooth.h on big endian machines.
+ CFLAGS_NODIST="$CFLAGS_NODIST -std=gnu99"
# Python doesn't violate C99 aliasing rules, but older versions of
# GCC produce warnings for legal Python code. Enable