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* configure.in: On Windows platforms, system provided headers are

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VC++ optimized.  That is, C++ habits are often contaminated into
	  various  headers.  Most  frequent  situation is  the  use of  //
	  comments.  We bypass ANSI  C mode for them.  Otherwise extension
	  libs cannot include those headers.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36056 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
shyouhei 2012-06-13 06:16:46 +00:00
parent 24b9cf95e0
commit 43bc8f9beb
2 changed files with 21 additions and 4 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
Wed Jun 13 15:12:07 2012 URABE Shyouhei <shyouhei@ruby-lang.org>
* configure.in: On Windows platforms, system provided headers are
VC++ optimized. That is, C++ habits are often contaminated into
various headers. Most frequent situation is the use of //
comments. We bypass ANSI C mode for them. Otherwise extension
libs cannot include those headers.
Wed Jun 13 13:39:23 2012 Nobuyoshi Nakada <nobu@ruby-lang.org>
* include/ruby/win32.h: get rid of C99 style one line comments.

17
configure.in
View file

@ -610,10 +610,19 @@ if test "$GCC" = yes; then
RUBY_APPEND_OPTION(LDFLAGS, -fstack-protector)
fi
# ANSI (no XCFLAGS because this is C only)
RUBY_TRY_CFLAGS(-ansi -std=iso9899:199409, [
RUBY_APPEND_OPTION(warnflags, -ansi -std=iso9899:199409)
RUBY_APPEND_OPTION(rb_cv_warnflags, -ansi -std=iso9899:199409)
AS_CASE(["$target_os"],[mingw*], [
# On Windows platforms, system provided headers are VC++
# optimized. That is, C++ habits are often contaminated into
# various headers. Most frequent situation is the use of //
# comments. We bypass ANSI C mode for them. Otherwise
# extension libs cannot include those headers.
],
[
# 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(rb_cv_warnflags, -ansi -std=iso9899:199409)
])
])
# suppress annoying -Wstrict-overflow warnings