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configure.in: use C99

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* configure.in: ISO9899:1999 is necessary for strtoll() on FreeBSD
  10, (and may be possibly other platforms).

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44876 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-02-07 06:13:19 +00:00
parent fe1c21087d
commit e224ab088d
1 changed files with 7 additions and 4 deletions
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11
configure.in
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@ -813,10 +813,13 @@ if test "$GCC" = yes; then
],
[
# ANSI (no XCFLAGS because this is C only)
RUBY_TRY_CFLAGS(-ansi -std=iso9899:199409, [
RUBY_APPEND_OPTION(warnflags, -ansi -std=iso9899:199409)
RUBY_APPEND_OPTION(strict_warnflags, -ansi -std=iso9899:199409)
])
for ansi_options in -std=iso9899:1999 "-ansi -std=iso9899:199409"; do
RUBY_TRY_CFLAGS(${ansi_options}, [
RUBY_APPEND_OPTIONS(warnflags, ${ansi_options})
RUBY_APPEND_OPTIONS(strict_warnflags, ${ansi_options})
], [ansi_options=])
test "x${ansi_options}" = x || break
done
])
# suppress annoying -Wstrict-overflow warnings