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| author | Tom Tromey <tom@tromey.com> | 2018-08-18 15:32:46 -0600 |
|---|---|---|
| committer | Tom Tromey <tom@tromey.com> | 2018-10-03 15:19:06 -0600 |
| commit | f35d5adea1cee8ce9141ad85a7e59d008c2e4d42 (patch) | |
| tree | 88cb5d24575333e1977ac5aab23466d476992288 /gdb/README | |
| parent | 1dffa580e7e083a43216fd7cbcadd72c760cf29d (diff) | |
| download | gdb-f35d5adea1cee8ce9141ad85a7e59d008c2e4d42.zip gdb-f35d5adea1cee8ce9141ad85a7e59d008c2e4d42.tar.gz gdb-f35d5adea1cee8ce9141ad85a7e59d008c2e4d42.tar.bz2 | |
Add --enable-ubsan
This adds --enable-ubsan to gdb's configure. By default it is enabled
in development mode, and disabled otherwise. This passes both
-fsanitize=undefined and -fno-sanitize-recover=undefined to
compilations, so that undefined behavior violations will be sure to
cause test failures.
gdb/ChangeLog
2018-10-03 Tom Tromey <tom@tromey.com>
* README: Mention --enable-ubsan.
* NEWS: Mention --enable-ubsan.
* acinclude.m4: Include sanitize.m4.
* configure: Rebuild.
* configure.ac: Call AM_GDB_UBSAN.
* sanitize.m4: New file.
gdb/doc/ChangeLog
2018-10-03 Tom Tromey <tom@tromey.com>
* gdb.texinfo (Configure Options): Document --enable-ubsan.
Diffstat (limited to 'gdb/README')
| -rw-r--r-- | gdb/README | 7 |
1 files changed, 7 insertions, 0 deletions
@@ -538,6 +538,13 @@ more obscure GDB `configure' options are not listed here. the compiler, which will fail the compilation if the compiler outputs any warning messages. +`--enable-ubsan' + Enable the GCC undefined behavior sanitizer. By default this is + disabled in GDB releases, but enabled when building from git. + The undefined behavior sanitizer checks for C++ undefined + behavior. It has a performance cost, so if you are looking at + GDB's performance, you should disable it. + `configure' accepts other options, for compatibility with configuring other GNU tools recursively. |