configure.ac: Require C99

k0kubun · k0kubun · commit ec336fb40e4d · 2019-01-10T08:04:35.000Z
We already added AC_PROG_CC_C99 in r66605. This commit stops warning C99 features. [Misc #15347] [close ruby#2064] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66771 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
diff --git a/configure.ac b/configure.ac
@@ -481,15 +481,13 @@ AS_CASE(["$GCC:${warnflags+set}:${extra_warnflags:+set}:"],
 	particular_werror_flags=no
     ])
     for wflag in \
-		 -Werror=declaration-after-statement \
 		 -Werror=deprecated-declarations \
 		 -Werror=division-by-zero \
 		 -Werror=duplicated-cond \
 		 -Werror=implicit-function-declaration \
 		 -Werror=implicit-int \
 		 -Werror=misleading-indentation \
 		 -Werror=pointer-arith \
-		 -Werror=restrict \
 		 -Werror=shorten-64-to-32 \
 		 -Werror=write-strings \
 		 -Wimplicit-fallthrough=0 \
