diff options
Diffstat (limited to 'config/mmap.m4')
| -rw-r--r-- | config/mmap.m4 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/config/mmap.m4 b/config/mmap.m4 index fba0d9d..326b97b 100644 --- a/config/mmap.m4 +++ b/config/mmap.m4 @@ -95,3 +95,25 @@ if test $gcc_cv_func_mmap_anon = yes; then [Define if mmap with MAP_ANON(YMOUS) works.]) fi ]) + +dnl +dnl Avoid the sanitizer run-time memory leak failure in the mmap configure +dnl test. This should be removed when autoconf with commit: +dnl +dnl commit 09b6e78d1592ce10fdc975025d699ee41444aa3f +dnl Author: Paul Eggert <eggert@cs.ucla.edu> +dnl Date: Fri Feb 5 21:06:20 2016 -0800 +dnl Fix memory leak in AC_FUNC_MMAP +dnl +dnl * lib/autoconf/functions.m4 (AC_FUNC_MMAP): Fix memory leak +dnl in test case, found by configuring with gcc -fsanitize=address. +dnl +dnl is in use. +dnl +AC_DEFUN([GCC_AC_FUNC_MMAP], + save_ASAN_OPTIONS="$ASAN_OPTIONS" + ASAN_OPTIONS=detect_leaks=0 + export ASAN_OPTIONS + m4_defn([AC_FUNC_MMAP]) + ASAN_OPTIONS="$save_ASAN_OPTIONS" +) |