[PATCH BlueZ 1/3] build: Add sanitizer options
From: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Date: 2021-12-20 23:59:27
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Luiz Augusto von Dentz <redacted> Build using Address Sanitizer (asan), Leak Sanitizer (lsan), or Undefined Behavior Sanitizer (ubsan) by using one of these options for the configure script: --enable-asan --enable-lsan --enable-ubsan For each of these to work, the compiler must support the requested sanitizer and the requisite libraries must be installed (libasan, liblsan, libubsan). --- Makefile.am | 6 +++++ acinclude.m4 | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++ configure.ac | 3 +++ 3 files changed, 84 insertions(+)
diff --git a/Makefile.am b/Makefile.am
index 993168f00..36ff19340 100644
--- a/Makefile.am
+++ b/Makefile.am@@ -243,6 +243,8 @@ src_libshared_glib_la_SOURCES = $(shared_sources) \ src/shared/mainloop-notify.h \ src/shared/mainloop-notify.c \ src/shared/tester.c +src_libshared_glib_la_LDFLAGS = $(AM_LDFLAGS) +src_libshared_glib_la_CFLAGS = $(AM_CFLAGS) src_libshared_mainloop_la_SOURCES = $(shared_sources) \ src/shared/io-mainloop.c \
@@ -250,6 +252,8 @@ src_libshared_mainloop_la_SOURCES = $(shared_sources) \ src/shared/mainloop.h src/shared/mainloop.c \ src/shared/mainloop-notify.h \ src/shared/mainloop-notify.c +src_libshared_mainloop_la_LDFLAGS = $(AM_LDFLAGS) +src_libshared_mainloop_la_CFLAGS = $(AM_CFLAGS) if LIBSHARED_ELL src_libshared_ell_la_SOURCES = $(shared_sources) \
@@ -257,6 +261,8 @@ src_libshared_ell_la_SOURCES = $(shared_sources) \ src/shared/timeout-ell.c \ src/shared/mainloop.h \ src/shared/mainloop-ell.c +src_libshared_ell_la_LDFLAGS = $(AM_LDFLAGS) +src_libshared_ell_la_CFLAGS = $(AM_CFLAGS) endif attrib_sources = attrib/att.h attrib/att-database.h attrib/att.c \
diff --git a/acinclude.m4 b/acinclude.m4
index 529848357..cf9ede408 100644
--- a/acinclude.m4
+++ b/acinclude.m4@@ -10,6 +10,45 @@ AC_DEFUN([AC_PROG_CC_PIE], [ ]) ]) +AC_DEFUN([AC_PROG_CC_ASAN], [ + AC_CACHE_CHECK([whether ${CC-cc} accepts -fsanitize=address], + ac_cv_prog_cc_asan, [ + echo 'void f(){}' > asan.c + if test -z "`${CC-cc} -fsanitize=address -c asan.c 2>&1`"; then + ac_cv_prog_cc_asan=yes + else + ac_cv_prog_cc_asan=no + fi + rm -rf asan* + ]) +]) + +AC_DEFUN([AC_PROG_CC_LSAN], [ + AC_CACHE_CHECK([whether ${CC-cc} accepts -fsanitize=leak], + ac_cv_prog_cc_lsan, [ + echo 'void f(){}' > lsan.c + if test -z "`${CC-cc} -fsanitize=leak -c lsan.c 2>&1`"; then + ac_cv_prog_cc_lsan=yes + else + ac_cv_prog_cc_lsan=no + fi + rm -rf lsan* + ]) +]) + +AC_DEFUN([AC_PROG_CC_UBSAN], [ + AC_CACHE_CHECK([whether ${CC-cc} accepts -fsanitize=undefined], + ac_cv_prog_cc_ubsan, [ + echo 'void f(){}' > ubsan.c + if test -z "`${CC-cc} -fsanitize=undefined -c ubsan.c 2>&1`"; then + ac_cv_prog_cc_ubsan=yes + else + ac_cv_prog_cc_ubsan=no + fi + rm -rf ubsan* + ]) +]) + AC_DEFUN([COMPILER_FLAGS], [ with_cflags="" if (test "$USE_MAINTAINER_MODE" = "yes"); then
@@ -53,6 +92,42 @@ AC_DEFUN([MISC_FLAGS], [ misc_ldflags="$misc_ldflags -pie -Wl,-z,now" fi ]) + AC_ARG_ENABLE(asan, AC_HELP_STRING([--enable-asan], + [enable linking with address sanitizer]), [ + save_LIBS=$LIBS + AC_CHECK_LIB(asan, _init) + LIBS=$save_LIBS + if (test "${enableval}" = "yes" && + test "${ac_cv_lib_asan__init}" = "yes" && + test "${ac_cv_prog_cc_asan}" = "yes"); then + misc_cflags="$misc_cflags -fsanitize=address"; + misc_ldflags="$misc_ldflags -fsanitize=address" + fi + ]) + AC_ARG_ENABLE(lsan, AC_HELP_STRING([--enable-lsan], + [enable linking with address sanitizer]), [ + save_LIBS=$LIBS + AC_CHECK_LIB(lsan, _init) + LIBS=$save_LIBS + if (test "${enableval}" = "yes" && + test "${ac_cv_lib_lsan__init}" = "yes" && + test "${ac_cv_prog_cc_lsan}" = "yes"); then + misc_cflags="$misc_cflags -fsanitize=leak"; + misc_ldflags="$misc_ldflags -fsanitize=leak" + fi + ]) + AC_ARG_ENABLE(ubsan, AC_HELP_STRING([--enable-ubsan], + [enable linking with address sanitizer]), [ + save_LIBS=$LIBS + AC_CHECK_LIB(ubsan, _init) + LIBS=$save_LIBS + if (test "${enableval}" = "yes" && + test "${ac_cv_lib_ubsan__init}" = "yes" && + test "${ac_cv_prog_cc_ubsan}" = "yes"); then + misc_cflags="$misc_cflags -fsanitize=undefined"; + misc_ldflags="$misc_ldflags -fsanitize=undefined" + fi + ]) if (test "$enable_coverage" = "yes"); then misc_cflags="$misc_cflags --coverage" misc_ldflags="$misc_ldflags --coverage"
diff --git a/configure.ac b/configure.ac
index 2674e30d3..c9a7f40a9 100644
--- a/configure.ac
+++ b/configure.ac@@ -23,6 +23,9 @@ AC_C_RESTRICT AC_PROG_CC AM_PROG_CC_C_O AC_PROG_CC_PIE +AC_PROG_CC_ASAN +AC_PROG_CC_LSAN +AC_PROG_CC_UBSAN AC_PROG_INSTALL AC_PROG_MKDIR_P
--
2.33.1