diff options
| -rw-r--r-- | ChangeLog | 13 | ||||
| -rw-r--r-- | configure.in | 5 |
2 files changed, 17 insertions, 1 deletions
@@ -1,3 +1,16 @@ +Fri Mar 21 21:57:34 2014 Akinori MUSHA <knu@iDaemons.org> + + * configure.in: Fix a build problem with clang and --with-opt-dir. + If ruby is configured with --with-opt-dir=dir when using clang + as compiler, a warning `clang: warning: argument unused during + compilation: '-I dir'` is emitted almost every time clang + compiles a file. Unfortunately, RUBY_CHECK_PRINTF_PREFIX takes + any output from the compiler as fatal error, and the check thus + fails due to the warning. This is an attempt to fix the problem + by adding a flag -Qunused-arguments to CFLAGS locally in the + function to suppress the warning. [ruby-dev:48062] [Bug #9658] + [Fixes GH-571] https://github.com/ruby/ruby/pull/571 + Fri Mar 21 16:31:56 2014 Zachary Scott <e@zzak.io> * gc.c: [DOC] Fix call-seq for GC.start by @jasonrclark [Fixes GH-572] diff --git a/configure.in b/configure.in index e952cc7be1..55dea5123e 100644 --- a/configure.in +++ b/configure.in @@ -779,6 +779,8 @@ if test "$GCC:${warnflags+set}:no" = yes::no; then rb_cv_warnflags="$warnflags" warnflags= fi +RUBY_TRY_CFLAGS(-Qunused-arguments, [RUBY_APPEND_OPTIONS(rb_cv_wsuppress_flags, -Qunused-arguments)]) + if test "$GCC" = yes; then # -D_FORTIFY_SOURCE # When defined _FORTIFY_SOURCE, glibc enables some additional sanity @@ -1302,7 +1304,8 @@ AC_DEFINE_UNQUOTED(PACKED_STRUCT_UNALIGNED(x), $packed_struct_unaligned) AC_DEFUN([RUBY_CHECK_PRINTF_PREFIX], [ AC_CACHE_CHECK([for printf prefix for $1], [rb_cv_pri_prefix_]AS_TR_SH($1),[ [rb_cv_pri_prefix_]AS_TR_SH($1)=[NONE] - RUBY_WERROR_FLAG(for pri in $2; do + RUBY_WERROR_FLAG(RUBY_APPEND_OPTIONS(CFLAGS, $rb_cv_wsuppress_flags) + for pri in $2; do AC_TRY_COMPILE( [@%:@include <stdio.h> @%:@include <stddef.h> |