gecko-dev/build/autoconf/sanitize.m4
Steve Fink 986c3892e5 Bug 1288596 - Better error message when compiler is incompatible with sanitizer, r=glandium
--HG--
extra : rebase_source : eb0582ee2ff4b576fd34b91bc4caf66493b84b96
2016-07-29 11:28:33 -07:00

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dnl This Source Code Form is subject to the terms of the Mozilla Public
dnl License, v. 2.0. If a copy of the MPL was not distributed with this
dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
AC_DEFUN([MOZ_CONFIG_SANITIZE], [
dnl ========================================================
dnl = Use Address Sanitizer
dnl ========================================================
MOZ_ARG_ENABLE_BOOL(address-sanitizer,
[ --enable-address-sanitizer Enable Address Sanitizer (default=no)],
MOZ_ASAN=1,
MOZ_ASAN= )
if test -n "$MOZ_ASAN"; then
MOZ_LLVM_HACKS=1
if test -n "$CLANG_CL"; then
# Look for clang_rt.asan_dynamic-i386.dll
MOZ_CLANG_RT_ASAN_LIB=clang_rt.asan_dynamic-i386.dll
# We use MOZ_PATH_PROG in order to get a Windows style path.
MOZ_PATH_PROG(MOZ_CLANG_RT_ASAN_LIB_PATH, $MOZ_CLANG_RT_ASAN_LIB)
if test -z "$MOZ_CLANG_RT_ASAN_LIB_PATH"; then
AC_MSG_ERROR([Couldn't find $MOZ_CLANG_RT_ASAN_LIB. It should be available in the same location as clang-cl.])
fi
AC_SUBST(MOZ_CLANG_RT_ASAN_LIB_PATH)
fi
CFLAGS="-fsanitize=address $CFLAGS"
CXXFLAGS="-fsanitize=address $CXXFLAGS"
LDFLAGS="-fsanitize=address $LDFLAGS"
AC_DEFINE(MOZ_ASAN)
MOZ_PATH_PROG(LLVM_SYMBOLIZER, llvm-symbolizer)
fi
AC_SUBST(MOZ_ASAN)
dnl ========================================================
dnl = Use Memory Sanitizer
dnl ========================================================
MOZ_ARG_ENABLE_BOOL(memory-sanitizer,
[ --enable-memory-sanitizer Enable Memory Sanitizer (default=no)],
MOZ_MSAN=1,
MOZ_MSAN= )
if test -n "$MOZ_MSAN"; then
MOZ_LLVM_HACKS=1
CFLAGS="-fsanitize=memory -fsanitize-memory-track-origins $CFLAGS"
CXXFLAGS="-fsanitize=memory -fsanitize-memory-track-origins $CXXFLAGS"
LDFLAGS="-fsanitize=memory -fsanitize-memory-track-origins $LDFLAGS"
AC_DEFINE(MOZ_MSAN)
MOZ_PATH_PROG(LLVM_SYMBOLIZER, llvm-symbolizer)
fi
AC_SUBST(MOZ_MSAN)
dnl ========================================================
dnl = Use Thread Sanitizer
dnl ========================================================
MOZ_ARG_ENABLE_BOOL(thread-sanitizer,
[ --enable-thread-sanitizer Enable Thread Sanitizer (default=no)],
MOZ_TSAN=1,
MOZ_TSAN= )
if test -n "$MOZ_TSAN"; then
MOZ_LLVM_HACKS=1
CFLAGS="-fsanitize=thread $CFLAGS"
CXXFLAGS="-fsanitize=thread $CXXFLAGS"
LDFLAGS="-fsanitize=thread $LDFLAGS"
AC_DEFINE(MOZ_TSAN)
MOZ_PATH_PROG(LLVM_SYMBOLIZER, llvm-symbolizer)
fi
AC_SUBST(MOZ_TSAN)
# The LLVM symbolizer is used by all sanitizers
AC_SUBST(LLVM_SYMBOLIZER)
dnl ========================================================
dnl = Enable hacks required for LLVM instrumentations
dnl ========================================================
MOZ_ARG_ENABLE_BOOL(llvm-hacks,
[ --enable-llvm-hacks Enable workarounds required for several LLVM instrumentations (default=no)],
MOZ_LLVM_HACKS=1,
MOZ_LLVM_HACKS= )
if test -n "$MOZ_LLVM_HACKS"; then
MOZ_NO_WLZDEFS=1
MOZ_CFLAGS_NSS=1
fi
AC_SUBST(MOZ_NO_WLZDEFS)
AC_SUBST(MOZ_CFLAGS_NSS)
dnl ========================================================
dnl = Test for whether the compiler is compatible with the
dnl = given sanitize options.
dnl ========================================================
AC_TRY_LINK(,,,AC_MSG_ERROR([compiler is incompatible with sanitize options]))
])