Remove useless warning causing trouble in sparc64

-Wcast-align is not that useful and just generates lots of warnings in
architectures like sparc64.

diff --git a/configure.ac b/configure.ac
index 9c84a048cf50263c29637ab1074cd88fcab63dca..a0ed6c2f5ceeb08c8150963afddb51c58bd64cdf 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -99,7 +99,6 @@ CC_CHECK_CFLAGS_APPEND([ \
                        -Wmissing-noreturn \
                        -Wshadow \
                        -Wendif-labels \
-                       -Wcast-align \
                        -Wstrict-aliasing=2 \
                        -Wwrite-strings \
                        -Wno-long-long \