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a9fca58305
breakpad/configure.ac
Gabriele Svelto a9fca58305 Make minidump name generation on Linux as random as possible 
This patch ensures that two crashes taken within the same second have
different minidump names. The random characters used in the minidump
filename are now read from /dev/urandom where possible or generated via
arc4random(). If neither is available we fall back to regular rand() but
mixing the address of an object to the current time when generating the
random seed to make it slightly less predictable.

BUG=681

Change-Id: I2e97454859ed386e199b2628d6b7e87e16481b75
Reviewed-on: https://chromium-review.googlesource.com/445784
Reviewed-by: Mike Frysinger <vapier@chromium.org>
2017-04-12 18:51:24 +00:00

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# Copyright (c) 2006, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AC_PREREQ(2.64)
AC_INIT(breakpad, 0.1, google-breakpad-dev@googlegroups.com)
dnl Sanity check: the argument is just a file that should exist.
AC_CONFIG_SRCDIR(README.md)
AC_CONFIG_AUX_DIR(autotools)
AC_CONFIG_MACRO_DIR([m4])
AC_CANONICAL_HOST
AM_INIT_AUTOMAKE(subdir-objects tar-ustar 1.11.1)
AM_CONFIG_HEADER(src/config.h)
AM_MAINTAINER_MODE
AM_PROG_AR
AM_PROG_AS
AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_CPP
AC_PROG_CXX
AC_PROG_RANLIB
dnl This must come before all the feature tests below.
AC_ARG_ENABLE(m32,
AS_HELP_STRING([--enable-m32],
[Compile/build with -m32]
[(default is no)]),
[case "${enableval}" in
yes)
CFLAGS="${CFLAGS} -m32"
CXXFLAGS="${CXXFLAGS} -m32"
usem32=true
;;
no)
usem32=false
;;
*)
AC_MSG_ERROR(bad value ${enableval} for --enable-m32)
;;
esac],
[usem32=false])
AC_HEADER_STDC
AC_SYS_LARGEFILE
AX_PTHREAD
AC_CHECK_HEADERS([a.out.h sys/random.h])
AC_CHECK_FUNCS([arc4random getrandom])
AX_CXX_COMPILE_STDCXX(11, noext, mandatory)
dnl Test supported warning flags.
WARN_CXXFLAGS=
dnl This warning flag is used by clang. Its default behavior is to warn when
dnl given an unknown flag rather than error out.
AC_LANG_PUSH([C++])
AX_CHECK_COMPILE_FLAG([-Werror=unknown-warning-option],[
ax_compiler_flags_test="-Werror=unknown-warning-option"
],[
ax_compiler_flags_test=""
])
AX_APPEND_COMPILE_FLAGS(m4_flatten([
-Wmissing-braces
-Wnon-virtual-dtor
-Woverloaded-virtual
-Wreorder
-Wsign-compare
-Wunused-local-typedefs
-Wunused-variable
-Wvla
]), [WARN_CXXFLAGS], [${ax_compiler_flags_test}])
AS_VAR_APPEND([WARN_CXXFLAGS], " -Werror")
AC_LANG_POP([C++])
AC_SUBST([WARN_CXXFLAGS])
# Only build Linux client libs when compiling for Linux
case $host in
*-*-linux* | *-android* )
LINUX_HOST=true
;;
esac
AM_CONDITIONAL(LINUX_HOST, test x$LINUX_HOST = xtrue)
# Only use Android support headers when compiling for Android
case $host in
*-android*)
ANDROID_HOST=true
;;
esac
AM_CONDITIONAL(ANDROID_HOST, test x$ANDROID_HOST = xtrue)
# Some tools (like mac ones) only support x86 currently.
case $host_cpu in
i?86|x86_64)
X86_HOST=true
;;
esac
AM_CONDITIONAL(X86_HOST, test x$X86_HOST = xtrue)
AC_ARG_ENABLE(processor,
AS_HELP_STRING([--disable-processor],
[Don't build processor library]
[(default is no)]),
[case "${enableval}" in
yes)
disable_processor=false
;;
no)
disable_processor=true
;;
*)
AC_MSG_ERROR(bad value ${enableval} for --disable-processor)
;;
esac],
[disable_processor=false])
AM_CONDITIONAL(DISABLE_PROCESSOR, test x$disable_processor = xtrue)
AC_ARG_ENABLE(tools,
AS_HELP_STRING([--disable-tools],
[Don't build tool binaries]
[(default is no)]),
[case "${enableval}" in
yes)
disable_tools=false
;;
no)
disable_tools=true
;;
*)
AC_MSG_ERROR(bad value ${enableval} for --disable-tools)
;;
esac],
[disable_tools=false])
AM_CONDITIONAL(DISABLE_TOOLS, test x$disable_tools = xtrue)
if test x$LINUX_HOST = xfalse -a x$disable_processor = xtrue -a x$disable_tools = xtrue; then
AC_MSG_ERROR([--disable-processor and --disable-tools were specified, and not building for Linux. Nothing to build!])
fi
AC_ARG_ENABLE(system-test-libs,
AS_HELP_STRING([--enable-system-test-libs],
[Use gtest/gmock/etc... from the system instead ]
[of the local copies (default is local)]),
[case "${enableval}" in
yes)
system_test_libs=true
;;
no)
system_test_libs=false
;;
*)
AC_MSG_ERROR(bad value ${enableval} for --enable-system-test-libs)
;;
esac],
[system_test_libs=false])
AM_CONDITIONAL(SYSTEM_TEST_LIBS, test x$system_test_libs = xtrue)
AC_ARG_VAR([GMOCK_CONFIG], [Path to gmock-config script])
AC_ARG_VAR([GMOCK_CFLAGS], [Compiler flags for gmock])
AC_ARG_VAR([GMOCK_LIBS], [Linker flags for gmock])
AC_ARG_VAR([GTEST_CONFIG], [Path to gtest-config script])
AC_ARG_VAR([GTEST_CFLAGS], [Compiler flags for gtest])
AC_ARG_VAR([GTEST_LIBS], [Linker flags for gtest])
if test x$system_test_libs = xtrue; then
AC_CHECK_TOOL([GMOCK_CONFIG], [gmock-config])
AC_CHECK_TOOL([GTEST_CONFIG], [gtest-config])
GMOCK_CFLAGS=`$GMOCK_CONFIG --cppflags --cxxflags`
GMOCK_LIBS=`$GMOCK_CONFIG --ldflags --libs`
GTEST_CFLAGS=`$GTEST_CONFIG --cppflags --cxxflags`
GTEST_LIBS=`$GTEST_CONFIG --ldflags --libs`
fi
AC_ARG_ENABLE(selftest,
AS_HELP_STRING([--enable-selftest],
[Run extra tests with "make check" ]
[(may conflict with optimizations) ]
[(default is no)]),
[case "${enableval}" in
yes)
selftest=true
;;
no)
selftest=false
;;
*)
AC_MSG_ERROR(bad value ${enableval} for --enable-selftest)
;;
esac],
[selftest=false])
AM_CONDITIONAL(SELFTEST, test x$selftest = xtrue)
AC_ARG_WITH(rust-demangle,
AS_HELP_STRING([--with-rust-demangle=/path/to/rust-demangle-capi],
[Link against the rust-demangle library]
[to demangle Rust language symbols during]
[symbol dumping (default is no)]
[Pass the path to the crate root.]),
[case "${withval}" in
yes)
AC_MSG_ERROR(You must pass the path to the rust-demangle-capi crate for --with-rust-demangle)
;;
no)
rust_demangle=false
;;
*)
if ! test -f "${withval}/Cargo.toml"; then
AC_MSG_ERROR(You must pass the path to the rust-demangle-capi crate for --with-rust-demangle)
fi
RUST_DEMANGLE_CFLAGS="-DHAVE_RUST_DEMANGLE -I${withval}/target/include"
RUST_DEMANGLE_LIBS="-L${withval}/target/release -lrust_demangle -lpthread -ldl"
;;
esac],
[rust_demangle=false])
AC_ARG_VAR([RUST_DEMANGLE_CFLAGS], [Compiler flags for rust-demangle])
AC_ARG_VAR([RUST_DEMANGLE_LIBS], [Linker flags for rust-demangle])
AC_CONFIG_FILES(m4_flatten([
breakpad.pc
breakpad-client.pc
Makefile
]))
AC_OUTPUT
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