51 lines
2.2 KiB
Text
51 lines
2.2 KiB
Text
dnl This Source Code Form is subject to the terms of the Mozilla Public
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dnl License, v. 2.0. If a copy of the MPL was not distributed with this
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dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
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AC_DEFUN([MOZ_CONFIG_SANITIZE], [
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dnl ========================================================
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dnl = Use Address Sanitizer
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dnl ========================================================
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if test -n "$MOZ_ASAN"; then
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if test "$CC_TYPE" = clang-cl ; then
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# Look for the ASan runtime binary
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if test "$TARGET_CPU" = "x86_64"; then
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MOZ_CLANG_RT_ASAN_LIB=clang_rt.asan_dynamic-x86_64.dll
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else
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MOZ_CLANG_RT_ASAN_LIB=clang_rt.asan_dynamic-i386.dll
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fi
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# We use MOZ_PATH_PROG in order to get a Windows style path.
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MOZ_PATH_PROG(MOZ_CLANG_RT_ASAN_LIB_PATH, $MOZ_CLANG_RT_ASAN_LIB)
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if test -z "$MOZ_CLANG_RT_ASAN_LIB_PATH"; then
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AC_MSG_ERROR([Couldn't find $MOZ_CLANG_RT_ASAN_LIB. It should be available in the same location as clang-cl.])
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fi
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AC_SUBST(MOZ_CLANG_RT_ASAN_LIB_PATH)
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# Suppressing errors in recompiled code.
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if test "$OS_ARCH" = "WINNT"; then
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CFLAGS="-fsanitize-blacklist=$_topsrcdir/build/sanitizers/asan_blacklist_win.txt $CFLAGS"
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CXXFLAGS="-fsanitize-blacklist=$_topsrcdir/build/sanitizers/asan_blacklist_win.txt $CXXFLAGS"
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fi
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fi
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ASAN_FLAGS="-fsanitize=address"
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if test "$OS_TARGET" = Linux; then
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# -fno-sanitize-address-globals-dead-stripping is used to work around
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# https://github.com/rust-lang/rust/issues/113404
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# It forces clang not to use __asan_register_elf_globals/__asan_globals_registered,
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# avoiding the conflict with rust.
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ASAN_FLAGS="$ASAN_FLAGS -fno-sanitize-address-globals-dead-stripping"
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fi
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CFLAGS="$ASAN_FLAGS $CFLAGS"
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CXXFLAGS="$ASAN_FLAGS $CXXFLAGS"
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if test "$CC_TYPE" != clang-cl ; then
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LDFLAGS="-fsanitize=address -rdynamic $LDFLAGS"
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fi
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fi
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dnl ========================================================
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dnl = Test for whether the compiler is compatible with the
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dnl = given sanitize options.
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dnl ========================================================
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AC_TRY_LINK(,,,AC_MSG_ERROR([compiler is incompatible with sanitize options]))
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])
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