From 88bf0fb137e7d0ac89f870100f37034f0ce8f718 Mon Sep 17 00:00:00 2001 From: nicola Date: Thu, 29 Aug 2002 22:50:27 +0000 Subject: Extended documentation on ObjC macros and flags git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@56668 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/doc/cpp.texi | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'gcc/doc/cpp.texi') diff --git a/gcc/doc/cpp.texi b/gcc/doc/cpp.texi index 0770e418a83..e84cf5f78c2 100644 --- a/gcc/doc/cpp.texi +++ b/gcc/doc/cpp.texi @@ -2028,8 +2028,10 @@ mechanism based on @code{setjmp} and @code{longjmp} for exception handling. @item __NEXT_RUNTIME__ -This macro is defined, with value 1, when the NeXT runtime -(as in @option{-fnext-runtime}) is in use for Objective-C. +This macro is defined, with value 1, if (and only if) the NeXT runtime +(as in @option{-fnext-runtime}) is in use for Objective-C. If the GNU +runtime is used, this macro is not defined, so that you can use this +macro to determine which runtime (NeXT or GNU) is being used. @item __TARGET_BITS_ORDER__ This macro describes the target's bits order in a byte. Its value is -- cgit v1.2.1