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author | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2021-07-14 09:27:24 +0200 |
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committer | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2021-07-19 12:53:25 +0200 |
commit | 06b2b33d802b8ec2a96ecce7f85a3d6f17812c45 (patch) | |
tree | d31c4c447820920c4d2a83d4c9d9e13cf0d29ba4 | |
parent | 677ecc8f1fcca27ddabf3df4c7ef709686f57389 (diff) | |
download | neard-06b2b33d802b8ec2a96ecce7f85a3d6f17812c45.tar.gz |
build: add support for GCC sanitizers (asan, lsan and ubsan)
Add support for GCC sanitizers: address (asan), leak (lsan) and
undefined behavior (ubsan). These can be toggled in ./configure with
--enable-asan, --enable-lsan and --enable-ubsan.
The autoconf code for this derived from ell (mostly authored by Mat
Martineau <mathew.j.martineau@linux.intel.com>):
https://git.kernel.org/pub/scm/libs/ell/ell.git
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
-rw-r--r-- | HACKING | 5 | ||||
-rw-r--r-- | acinclude.m4 | 36 | ||||
-rw-r--r-- | configure.ac | 45 |
3 files changed, 85 insertions, 1 deletions
@@ -51,8 +51,11 @@ like this: # git clone git://git.kernel.org/pub/scm/network/.../neard.git # cd neard - Configure and build + Configure (choose only one) # ./bootstrap-configure + # ./bootstrap-configure --enable-asan --enable-lsan --enable-ubsan + + Build # make Check installation diff --git a/acinclude.m4 b/acinclude.m4 index a12b939..e9ad0d6 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -9,3 +9,39 @@ AC_DEFUN([NEARD_PROG_CC_PIE], [ rm -rf conftest* ]) ]) + +AC_DEFUN([NEARD_PROG_CC_ASAN], [ +AC_CACHE_CHECK([whether ${CC-cc} accepts -fsanitize=address], neard_cv_prog_cc_asan, [ + echo 'void f(){}' > conftest.c + if test -z "`${CC-cc} -fsanitize=address -c conftest.c 2>&1`"; then + neard_cv_prog_cc_asan=yes + else + neard_cv_prog_cc_asan=no + fi + rm -rf conftest* +]) +]) + +AC_DEFUN([NEARD_PROG_CC_LSAN], [ +AC_CACHE_CHECK([whether ${CC-cc} accepts -fsanitize=leak], neard_cv_prog_cc_lsan, [ + echo 'void f(){}' > conftest.c + if test -z "`${CC-cc} -fsanitize=leak -c conftest.c 2>&1`"; then + neard_cv_prog_cc_lsan=yes + else + neard_cv_prog_cc_lsan=no + fi + rm -rf conftest* +]) +]) + +AC_DEFUN([NEARD_PROG_CC_UBSAN], [ +AC_CACHE_CHECK([whether ${CC-cc} accepts -fsanitize=undefined], neard_cv_prog_cc_ubsan, [ + echo 'void f(){}' > conftest.c + if test -z "`${CC-cc} -fsanitize=undefined -c conftest.c 2>&1`"; then + neard_cv_prog_cc_ubsan=yes + else + neard_cv_prog_cc_ubsan=no + fi + rm -rf conftest* +]) +]) diff --git a/configure.ac b/configure.ac index 1ec6f4e..c1fdc44 100644 --- a/configure.ac +++ b/configure.ac @@ -26,6 +26,9 @@ AC_LANG([C]) AC_PROG_CC NEARD_PROG_CC_PIE +NEARD_PROG_CC_ASAN +NEARD_PROG_CC_LSAN +NEARD_PROG_CC_UBSAN AC_PROG_INSTALL AC_PROG_MKDIR_P @@ -98,6 +101,48 @@ AC_ARG_ENABLE(pie, AS_HELP_STRING([--enable-pie], AC_CHECK_LIB(dl, dlopen, dummy=yes, AC_MSG_ERROR(dynamic linking loader is required)) +save_LIBS=$LIBS +AC_CHECK_LIB(asan, _init) +LIBS=$save_LIBS + +AC_ARG_ENABLE(asan, AC_HELP_STRING([--enable-asan], + [enable linking with address sanitizer]), [ + if (test "${enableval}" = "yes" && + test "${ac_cv_lib_asan__init}" = "yes" && + test "${neard_cv_prog_cc_asan}" = "yes"); then + CFLAGS="$CFLAGS -fsanitize=address"; + LDFLAGS="$LDFLAGS -fsanitize=address" + fi +]) + +save_LIBS=$LIBS +AC_CHECK_LIB(lsan, _init) +LIBS=$save_LIBS + +AC_ARG_ENABLE(lsan, AC_HELP_STRING([--enable-lsan], + [enable linking with leak sanitizer]), [ + if (test "${enableval}" = "yes" && + test "${ac_cv_lib_lsan__init}" = "yes" && + test "${neard_cv_prog_cc_lsan}" = "yes"); then + CFLAGS="$CFLAGS -fsanitize=leak"; + LDFLAGS="$LDFLAGS -fsanitize=leak" + fi +]) + +save_LIBS=$LIBS +AC_CHECK_LIB(ubsan, _init) +LIBS=$save_LIBS + +AC_ARG_ENABLE(ubsan, AC_HELP_STRING([--enable-ubsan], + [enable linking with undefined behavior sanitizer]), [ + if (test "${enableval}" = "yes" && + test "${ac_cv_lib_ubsan__init}" = "yes" && + test "${neard_cv_prog_cc_ubsan}" = "yes"); then + CFLAGS="$CFLAGS -fsanitize=undefined"; + LDFLAGS="$LDFLAGS -fsanitize=undefined" + fi +]) + GLIB_DEPS="glib-2.0 >= 2.28" PKG_CHECK_MODULES(GLIB, [${GLIB_DEPS}], dummy=yes, AC_MSG_ERROR(GLib >= 2.28 is required)) |