On Tue, Apr 9, 2024 at 4:08 PM Sam James <s...@gentoo.org> wrote: > > "H.J. Lu" <hjl.to...@gmail.com> writes: > > > When -fsanitize=address,undefined is used to build, the mmap configure > > check failed with > > I think Paul fixed this in autoconf commit > 09b6e78d1592ce10fdc975025d699ee41444aa3f, so we should add a comment > about that so we can clean this up in future.
Sure . That was in 2016. > > > > ================================================================= > > ==231796==ERROR: LeakSanitizer: detected memory leaks > > > > Direct leak of 4096 byte(s) in 1 object(s) allocated from: > > #0 0x7cdd3d0defdf in __interceptor_malloc > > ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69 > > #1 0x5750c7f6d72b in main > > /home/alan/build/gas-san/all/bfd/conftest.c:239 > > > > Direct leak of 4096 byte(s) in 1 object(s) allocated from: > > #0 0x7cdd3d0defdf in __interceptor_malloc > > ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69 > > #1 0x5750c7f6d2e1 in main > > /home/alan/build/gas-san/all/bfd/conftest.c:190 > > > > SUMMARY: AddressSanitizer: 8192 byte(s) leaked in 2 allocation(s). > > > > Define GCC_AC_FUNC_MMAP with export ASAN_OPTIONS=detect_leaks=0 to avoid > > the sanitizer configure check failure. > > > > H.J. Lu (2): > > mmap: Avoid the sanitizer configure check failure > > mmap: Avoid the sanitizer configure check failure > > > > bfd/Makefile.in | 2 +- > > bfd/aclocal.m4 | 1 + > > bfd/configure | 5 +++++ > > bfd/configure.ac | 2 +- > > binutils/Makefile.in | 2 +- > > binutils/aclocal.m4 | 1 + > > binutils/configure | 5 +++++ > > binutils/configure.ac | 2 +- > > config/mmap.m4 | 12 ++++++++++++ > > config/no-executables.m4 | 4 ++-- > > ld/Makefile.in | 2 +- > > ld/aclocal.m4 | 1 + > > ld/configure | 5 +++++ > > ld/configure.ac | 2 +- > > libctf/Makefile.in | 2 +- > > libctf/aclocal.m4 | 1 + > > libctf/configure | 5 +++++ > > libctf/configure.ac | 2 +- > > libiberty/Makefile.in | 1 + > > libiberty/acinclude.m4 | 2 +- > > libiberty/aclocal.m4 | 1 + > > libiberty/configure | 5 +++++ > > libsframe/Makefile.in | 1 + > > libsframe/aclocal.m4 | 1 + > > libsframe/configure | 5 +++++ > > libsframe/configure.ac | 2 +- > > zlib/Makefile.in | 2 +- > > zlib/acinclude.m4 | 1 + > > zlib/configure | 7 ------- > > 29 files changed, 64 insertions(+), 20 deletions(-) -- H.J.
