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configure.in: no -Wextra-token on gcc 3

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* 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
This commit is contained in:
nobu 2013-04-05 14:08:21 +00:00
parent 647dc4fd49
commit b493f30a42
1 changed files with 8 additions and 1 deletions
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9
configure.in
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@ -419,6 +419,8 @@ AC_SUBST(LD)
if test "$GCC" = yes; then if test "$GCC" = yes; then
linker_flag=-Wl, linker_flag=-Wl,
: ${optflags=-O3} : ${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"]) # RUBY_APPEND_OPTIONS(XCFLAGS, ["-include ruby/config.h" "-include ruby/missing.h"])
else else
linker_flag= linker_flag=
@ -664,6 +666,11 @@ AC_ARG_ENABLE(werror,
rb_cv_warnflags="$warnflags" rb_cv_warnflags="$warnflags"
if test "$GCC:${warnflags+set}:no" = yes::no; then if test "$GCC:${warnflags+set}:no" = yes::no; then
if test $gcc_major -ge 4; then
extra_warning=-Werror=extra-tokens
else
extra_warning=
fi
for wflag in -Wno-unused-parameter -Wno-parentheses -Wno-long-long \ for wflag in -Wno-unused-parameter -Wno-parentheses -Wno-long-long \
-Wno-missing-field-initializers \ -Wno-missing-field-initializers \
-Wunused-variable \ -Wunused-variable \
@ -672,7 +679,7 @@ if test "$GCC:${warnflags+set}:no" = yes::no; then
-Werror=declaration-after-statement \ -Werror=declaration-after-statement \
-Werror=shorten-64-to-32 \ -Werror=shorten-64-to-32 \
-Werror=implicit-function-declaration \ -Werror=implicit-function-declaration \
-Werror=extra-tokens \ $extra_warning \
; do ; do
if test "$particular_werror_flags" != yes; then if test "$particular_werror_flags" != yes; then
wflag=`echo x$wflag | sed 's/^x-Werror=/-W/;s/^x//'` wflag=`echo x$wflag | sed 's/^x-Werror=/-W/;s/^x//'`