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detect leak detector in runtime

This commit is contained in:
Lev Walkin 2017-10-19 03:21:21 -07:00
parent 48e82d1f1f
commit 0afbd325f3
1 changed files with 10 additions and 3 deletions
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13
configure.ac
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@ -198,13 +198,20 @@ AS_IF([test "x$disable_test_asan" != xno], [
[--disable-test-asan=$disable_test_asan is not supported on a target system.
Check out https://clang.llvm.org/docs/AddressSanitizer.html#how-to-build])])
])
dnl Address sanitizer sometimes is equipped with the leak sanitizer,
dnl so we use -fsanitize=leak to permit ASAN_OPTIONS environment.
dnl Address sanitizer sometimes is equipped with the leak sanitizer.
dnl If address sanitizer is not equipped with a leak sanitizer,
dnl invoking programs with ASAN_OPTIONS=detect_leaks=1 will break them.
AX_CHECK_COMPILE_FLAG([-fsanitize=leak], [
ASAN_OPTIONS="detect_leaks=1"
export ASAN_OPTIONS
save_cflags="${CFLAGS}"
CFLAGS="${CFLAGS} ${SANITIZER_CFLAGS}"
AC_RUN_IFELSE([AC_LANG_PROGRAM()], [
ASAN_ENV_FLAGS="${ASAN_ENV_FLAGS} ASAN_OPTIONS=detect_leaks=1"
])
CFLAGS="${save_cflags}"
unset ASAN_OPTIONS
dnl Keep error messages nice. Also consider:
dnl export ASAN_SYMBOLIZER_PATH=/usr/bin/llvm-symbolizer
dnl export ASAN_OPTIONS=symbolize=1