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| author | Loren J. Rittle <ljrittle@acm.org> | 2002-04-22 22:46:34 +0000 |
|---|---|---|
| committer | Loren J. Rittle <ljrittle@gcc.gnu.org> | 2002-04-22 22:46:34 +0000 |
| commit | c5ac5edb613e71297ef7a3c092295508d73e3454 (patch) | |
| tree | b5b53d93d35e4fd80d58e607a5b1296471a231c5 | |
| parent | 9340544b77d22d9976a299fe3a348b3bfce2c642 (diff) | |
| download | gcc-c5ac5edb613e71297ef7a3c092295508d73e3454.zip gcc-c5ac5edb613e71297ef7a3c092295508d73e3454.tar.gz gcc-c5ac5edb613e71297ef7a3c092295508d73e3454.tar.bz2 | |
* docs/html/17_intro/porting.texi (_GLIBCPP_AVOID_FSEEK): Remove.
From-SVN: r52642
| -rw-r--r-- | libstdc++-v3/ChangeLog | 4 | ||||
| -rw-r--r-- | libstdc++-v3/docs/html/17_intro/porting.texi | 9 |
2 files changed, 5 insertions, 8 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 61788e0..14f64f9 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,7 @@ +2002-04-22 Loren J. Rittle <ljrittle@acm.org> + + * docs/html/17_intro/porting.texi (_GLIBCPP_AVOID_FSEEK): Remove. + 2002-04-20 Jason Merrill <jason@redhat.com> PR libstdc++/4150 diff --git a/libstdc++-v3/docs/html/17_intro/porting.texi b/libstdc++-v3/docs/html/17_intro/porting.texi index d5d32b4..f770de9 100644 --- a/libstdc++-v3/docs/html/17_intro/porting.texi +++ b/libstdc++-v3/docs/html/17_intro/porting.texi @@ -142,18 +142,11 @@ need to define. You will need to add them to the target. It will not work to simply define these macros in @file{os_defines.h}. -At this time, there are two libstdc++-v3-specific macros which may be +At this time, there is one libstdc++-v3-specific macro which may be defined. @code{_G_USING_THUNKS} may be defined to 0 to express that the port doesn't use thunks (although it is unclear that this is still useful since libio support isn't currently working and the g++ v3 ABI invalidates the assumption that some ports don't use thunks). -@code{_GLIBCPP_AVOID_FSEEK} may be defined if seeking on an interactive -stream (or one hooked to a pipe) is not allowed by the OS. In this -case, getc()/ungetc() will be used at some key locations in the library -implementation instead of fseek(). Currently, the code path to avoid -fseek() is only enabled when the seek size is 1 character away from the -current stream position. This is known to improve *-unknown-freebsd*, -sparc-sun-solaris2.* and *-*-mingw32*. Finally, you should bracket the entire file in an include-guard, like this: |