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Libraries
asn1c
Commits
03531df8
Commit
03531df8
authored
7 years ago
by
Lev Walkin
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stronger detection of fuzzing infrastructure (linkability)
parent
d346ffd8
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.gitignore
.gitignore
+1
-0
configure.ac
configure.ac
+14
-7
m4/ax_check_compile_and_link_flag.m4
m4/ax_check_compile_and_link_flag.m4
+72
-0
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.gitignore
View file @
03531df8
...
@@ -19,6 +19,7 @@ Makefile
...
@@ -19,6 +19,7 @@ Makefile
Makefile.in
Makefile.in
ylwrap
ylwrap
m4/*
m4/*
!m4/ax_*.m4
# Generated by `./configure`
# Generated by `./configure`
config.h
config.h
...
...
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configure.ac
View file @
03531df8
...
@@ -211,7 +211,6 @@ Check out https://clang.llvm.org/docs/AddressSanitizer.html#how-to-build])])
...
@@ -211,7 +211,6 @@ Check out https://clang.llvm.org/docs/AddressSanitizer.html#how-to-build])])
[SANITIZER_CFLAGS="${SANITIZER_CFLAGS} -fno-omit-frame-pointer"])
[SANITIZER_CFLAGS="${SANITIZER_CFLAGS} -fno-omit-frame-pointer"])
])
])
dnl Enable LibFuzzer, if supported.
dnl Enable LibFuzzer, if supported.
LIBFUZZER_CFLAGS=""
LIBFUZZER_CFLAGS=""
AC_ARG_ENABLE([test-fuzzer],
AC_ARG_ENABLE([test-fuzzer],
...
@@ -219,13 +218,21 @@ AC_ARG_ENABLE([test-fuzzer],
...
@@ -219,13 +218,21 @@ AC_ARG_ENABLE([test-fuzzer],
[Enable LLVM LibFuzzer for randomized testing])],
[Enable LLVM LibFuzzer for randomized testing])],
[enable_test_fuzzer=$enableval], [enable_test_fuzzer=no])
[enable_test_fuzzer=$enableval], [enable_test_fuzzer=no])
AS_IF([test "x$enable_test_fuzzer" != xno], [
AS_IF([test "x$enable_test_fuzzer" != xno], [
AX_CHECK_COMPILE_FLAG([-fsanitize=fuzzer],
AX_CHECK_COMPILE_AND_LINK_FLAG([-fsanitize=fuzzer],
[LIBFUZZER_CFLAGS="${FUZZER_CFLAGS} -fsanitize=fuzzer -DENABLE_LIBFUZZER"],
[LIBFUZZER_CFLAGS="-fsanitize=fuzzer -DENABLE_LIBFUZZER"],
[
[AC_MSG_FAILURE(
AC_MSG_FAILURE(
[--enable-test-fuzzer=$enable_test_fuzzer is not supported on a target system.
[--enable-test-fuzzer=$enable_test_fuzzer is not supported on a target system.
Check out http://llvm.org/docs/LibFuzzer.html])
Check out http://llvm.org/docs/LibFuzzer.html])],
])
[],
[AC_LANG_SOURCE([[
#include <sys/types.h>
int LLVMFuzzerTestOneInput(const unsigned char *Data, size_t Size);
int LLVMFuzzerTestOneInput(const unsigned char *Data, size_t Size) {
(void)Data;
(void)Size;
return 0;
}
]])])
])
])
TESTSUITE_CFLAGS="${TESTSUITE_CFLAGS} ${SANITIZER_CFLAGS}"
TESTSUITE_CFLAGS="${TESTSUITE_CFLAGS} ${SANITIZER_CFLAGS}"
...
...
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m4/ax_check_compile_and_link_flag.m4
0 → 100644
View file @
03531df8
# SYNOPSIS
#
# AX_CHECK_COMPILE_AND_LINK_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT])
#
# DESCRIPTION
#
# Check whether the given FLAG works with the current language's compiler
# or gives an error. (Warnings, however, are ignored)
#
# ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on
# success/failure.
#
# If EXTRA-FLAGS is defined, it is added to the current language's default
# flags (e.g. CFLAGS) when the check is done. The check is thus made with
# the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to
# force the compiler to issue an error when a bad flag is given.
#
# INPUT gives an alternative input source to AC_COMPILE_IFELSE.
#
# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this
# macro in sync with AX_CHECK_{PREPROC,LINK}_FLAG.
#
# LICENSE
#
# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
# Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com>
# Copyright (c) 2017 Lev Walkin <vlm@lionet.info>
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation, either version 3 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
# scripts that are the output of Autoconf when processing the Macro. You
# need not follow the terms of the GNU General Public License when using
# or distributing such scripts, even though portions of the text of the
# Macro appear in them. The GNU General Public License (GPL) does govern
# all other use of the material that constitutes the Autoconf Macro.
#
# This special exception to the GPL applies to versions of the Autoconf
# Macro released by the Autoconf Archive. When you make and distribute a
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
#serial 1
AC_DEFUN([AX_CHECK_COMPILE_AND_LINK_FLAG],
[AC_PREREQ(2.61)dnl
AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]clflags_$4_$1])dnl
AC_CACHE_CHECK([whether _AC_LANG compiler and linker accept $1], CACHEVAR, [
ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
_AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1"
AC_LINK_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
[AS_VAR_SET(CACHEVAR,[yes])],
[AS_VAR_SET(CACHEVAR,[no])])
_AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags])
AS_IF([test x"AS_VAR_GET(CACHEVAR)" = xyes],
[m4_default([$2], :)],
[m4_default([$3], :)])
AS_VAR_POPDEF([CACHEVAR])dnl
])dnl AX_CHECK_COMPILE_AND_LINK_FLAG
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