diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-04-05 14:08:21 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-04-05 14:08:21 +0000 |
| commit | b493f30a42c889f4ef724057abd56dbed5fc3497 (patch) | |
| tree | f81cd2f2ffe8581fafdfa0811f38a46268a1fcea /configure.in | |
| parent | 647dc4fd49f542dfec72a72818908191dce76b2b (diff) | |
configure.in: no -Wextra-token on gcc 3
* configure.in (warnflags): -Wextra-tokens is same as -Wextra and
let -Wno- options ignored on gcc 3.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40131 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/configure.in b/configure.in index 5f70e6db9b..321e06d2ab 100644 --- a/configure.in +++ b/configure.in @@ -419,6 +419,8 @@ AC_SUBST(LD) if test "$GCC" = yes; then linker_flag=-Wl, : ${optflags=-O3} + gcc_major=`echo =__GNUC__ | $CC -E -xc - | sed '/^=/!d;s///'` + test -n "$gcc_major" || gcc_major=0 # RUBY_APPEND_OPTIONS(XCFLAGS, ["-include ruby/config.h" "-include ruby/missing.h"]) else linker_flag= @@ -664,6 +666,11 @@ AC_ARG_ENABLE(werror, rb_cv_warnflags="$warnflags" if test "$GCC:${warnflags+set}:no" = yes::no; then + if test $gcc_major -ge 4; then + extra_warning=-Werror=extra-tokens + else + extra_warning= + fi for wflag in -Wno-unused-parameter -Wno-parentheses -Wno-long-long \ -Wno-missing-field-initializers \ -Wunused-variable \ @@ -672,7 +679,7 @@ if test "$GCC:${warnflags+set}:no" = yes::no; then -Werror=declaration-after-statement \ -Werror=shorten-64-to-32 \ -Werror=implicit-function-declaration \ - -Werror=extra-tokens \ + $extra_warning \ ; do if test "$particular_werror_flags" != yes; then wflag=`echo x$wflag | sed 's/^x-Werror=/-W/;s/^x//'` |