configure: check and use -Wempty-body

Would have shown the trailing semi-colon in lavu/log.c that broke detection of 256 colour capable terminals. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago · 7307a7fd93
parent 8710ee11d7
commit 7307a7fd93
1 changed files with 1 additions and 0 deletions
--- a/1
+++ b/1
@ -4776,6 +4776,7 @@ check_cflags -Wundef
 check_cflags -Wmissing-prototypes
 check_cflags -Wno-pointer-to-int-cast
 check_cflags -Wstrict-prototypes
+check_cflags -Wempty-body
 enabled extra_warnings && check_cflags -Winline

 check_disable_warning(){