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Diffstat (limited to 'gcc/doc/install.texi')
| -rw-r--r-- | gcc/doc/install.texi | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi index f3f1445..7423224 100644 --- a/gcc/doc/install.texi +++ b/gcc/doc/install.texi @@ -393,7 +393,7 @@ Note binutils 2.35 or newer is required for LTO to work correctly with GNU libtool that includes doing a bootstrap with LTO enabled. @item gzip version 1.2.4 (or later) or -@itemx bzip2 version 1.0.2 (or later) +@itemx xz version 5.0 (or later) Necessary to uncompress GCC @command{tar} files when source code is obtained via HTTPS mirror sites. @@ -1887,8 +1887,8 @@ Produce code conforming to version 20191213. In the absence of this configuration option the default version is 20191213. @item --enable-__cxa_atexit -Define if you want to use @code{__cxa_atexit}, rather than atexit, to -register C++ destructors for local statics and global objects. +Define if you want to use @code{__cxa_atexit}, rather than @code{atexit}, +to register C++ destructors for local statics and global objects. This is essential for fully standards-compliant handling of destructors, but requires @code{__cxa_atexit} in libc. This option is currently only available on systems with GNU libc. When enabled, this |