forked from apache/trafficserver
/
configure.ac
2443 lines (2153 loc) · 73.1 KB
/
configure.ac
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# Process this file with `autoreconf -i` to create a 'configure' file.
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Table of Contents
# 1. INITIALIZATION
# 2. SITE CONFIGURATION
# 3. CHECK FOR PROGRAMS
# 4. CHECK FOR LIBRARIES
# 5. CHECK FOR HEADERS
# 6. OUTPUT FILES
# 7. autoheader TEMPLATES
# -----------------------------------------------------------------------------
# 1. INITIALIZATION
# These first two version numbers are updated automatically on each release.
# Version number is calculated as MAJOR * 1000000 + MINOR * 1000 + MICRO
# Version string is in the form of MAJOR.MINOR.MICRO[sufix]
#
m4_define([TS_VERSION_S],[10.0.0])
m4_define([TS_VERSION_N],[10000000])
AC_INIT([Apache Traffic Server],[TS_VERSION_S()],[dev@trafficserver.apache.org],[trafficserver],[https://trafficserver.apache.org])
AC_PREREQ([2.69])
AC_CONFIG_AUX_DIR([build/_aux])
AC_CONFIG_SRCDIR([src/traffic_server/traffic_server.cc])
AC_CONFIG_MACRO_DIR([build])
# NOTE: we turn off portability warnings because the clang-tidy targets use
# GNU make extensions to filter the sources list.
AM_INIT_AUTOMAKE([-Wall -Werror -Wno-portability tar-ustar foreign no-installinfo no-installman subdir-objects 1.9.2])
# See discussion at https://autotools.io/automake/maintainer.html.
AM_MAINTAINER_MODE([enable])
# Enable a recursive "tidy" rule for clang-tidy.
m4_ifdef([AM_EXTRA_RECURSIVE_TARGETS], [AM_EXTRA_RECURSIVE_TARGETS([clang-tidy])])
AC_CONFIG_HEADERS([include/ink_autoconf.h])
# Configure with --disable-silent-rules to get verbose output. For more info, see
# http://www.gnu.org/software/automake/manual/html_node/Automake-silent_002drules-Option.html
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
# Libtool versioning uses different conventions on different
# platforms. At least on FreeBSD, libtool uses an overly complex
# convention that attempts to solve problems that most people just
# don't have and which just causes confusion for most end users.
#
TS_VERSION_MAJOR=$((TS_VERSION_N() / 1000000 ))
TS_VERSION_MINOR=$(((TS_VERSION_N() / 1000) % 1000 ))
TS_VERSION_MICRO=$((TS_VERSION_N() % 1000 ))
TS_LIBTOOL_MAJOR=`echo $((${TS_VERSION_MAJOR} + ${TS_VERSION_MINOR}))`
TS_LIBTOOL_VERSION=$TS_LIBTOOL_MAJOR:$TS_VERSION_MICRO:$TS_VERSION_MINOR
TS_VERSION_STRING=TS_VERSION_S()
TS_VERSION_NUMBER=TS_VERSION_N()
#
# Substitute the above version numbers into the various files below.
#
AC_SUBST(TS_LIBTOOL_VERSION)
AC_SUBST(TS_VERSION_STRING)
AC_SUBST(TS_VERSION_NUMBER)
AC_SUBST(TS_VERSION_MAJOR)
AC_SUBST(TS_VERSION_MINOR)
AC_SUBST(TS_VERSION_MICRO)
dnl Hard-coded top of ink_autoconf.h:
AH_TOP([
#pragma once
])
#
# Generate ./config.nice for reproducing runs of configure
#
TS_CONFIG_NICE([config.nice])
# XXX we can't just use AC_PREFIX_DEFAULT because that isn't subbed in
# by configure until it is too late. Is that how it should be or not?
# Something seems broken here.
AC_PREFIX_DEFAULT([/usr/local/trafficserver])
# Get the layout here, so we can pass the required variables to Trafficserver
TS_ENABLE_LAYOUT(TrafficServer, [cachedir docdir])
# Reparse the configure arguments so we can override the layout.
TS_PARSE_ARGUMENTS
AC_PATH_PROG(PKG_CONFIG, pkg-config)
#
# Host detection
#
AC_CANONICAL_HOST
HOST_GUESS="$host"
AC_SUBST(HOST_GUESS)
AC_ARG_WITH([user],
[AS_HELP_STRING([--with-user],[specify the system user [default=nobody]])],
[
with_user="$withval"
],[
with_user="nobody"
]
)
default_group="`id -ng $with_user`"
AC_ARG_WITH([group],
[AS_HELP_STRING([--with-group],[specify the system group [default=nobody]])],
[
with_group="$withval"
],[
with_group=${default_group:-nobody}
]
)
AC_SUBST([pkgsysuser],[$with_user])
AC_SUBST([pkgsysgroup],[$with_group])
AC_ARG_WITH([build-number],
[AS_HELP_STRING([--with-build-number],[specify a version string for this build])],
[ build_number="$withval" ]
)
#
# Build environment
#
build_person="`id -nu | sed -e 's/\\\\/\\\\\\\\/g'`"
build_group="`id -ng | sed -e 's/\\\\/\\\\\\\\/g'`"
build_machine="`uname -n | sed -e 's/\\\\/\\\\\\\\/g'`"
AC_SUBST([build_machine])
AC_SUBST([build_person])
AC_SUBST([build_group])
AC_SUBST([build_number])
# -----------------------------------------------------------------------------
# 2. SITE CONFIGURATION
#
# Debug
#
AC_MSG_CHECKING([whether to enable debugging])
AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug],[turn on debugging])],
[],
[enable_debug=no]
)
AC_MSG_RESULT([$enable_debug])
AC_MSG_CHECKING([whether to enable mime sanity check])
AC_ARG_ENABLE([mime-sanity-check],
[AS_HELP_STRING([--enable-mime-sanity-check],[turn on mime sanity check])],
[],
[enable_mime_sanity_check=no]
)
AC_MSG_RESULT([$enable_mime_sanity_check])
AC_MSG_CHECKING([whether to enable all asserts, a cheaper debug])
AC_ARG_ENABLE([all-asserts],
[AS_HELP_STRING([--enable-all-asserts],[turn on all code asserts, both debug and release])],
[],
[enable_all_asserts=no]
)
AC_MSG_RESULT([$enable_all_asserts])
AC_MSG_CHECKING([whether to enable event tracker])
AC_ARG_ENABLE([event-tracker],
[AS_HELP_STRING([--enable-event-tracker],[turn on event tracker])],
[],
[enable_event_tracker=no]
)
AC_MSG_RESULT([$enable_event_tracker])
# Enable code coverage instrumentation only if requested by the user.
AC_MSG_CHECKING([whether to code coverage])
AC_ARG_ENABLE([coverage],
[AS_HELP_STRING([--enable-coverage],[generate code coverage instrumentation])],
[],
[enable_coverage=no]
)
AC_MSG_RESULT([$enable_coverage])
#
# Enable -Werror. We want this enabled by default for developers, but disabled by default
# for end users (because we don't want released versions to suffer from compiler warning hell).
#
AC_MSG_CHECKING([whether to enable -Werror])
AC_ARG_ENABLE([werror],
[AS_HELP_STRING([--enable-werror],[turn compiler warnings into errors])],
[],
[enable_werror=no]
)
AC_MSG_RESULT([$enable_werror])
# Enable ASAN for the builds
AC_MSG_CHECKING([whether to enable asan])
AC_ARG_ENABLE([asan],
[AS_HELP_STRING([--enable-asan],[enable Address Sanitizer])],
[],
[enable_asan=no]
)
AC_MSG_RESULT([$enable_asan])
# Enable LSAN in stand-alone mode for the builds
AC_MSG_CHECKING([whether to enable lsan])
AC_ARG_ENABLE([lsan],
[AS_HELP_STRING([--enable-lsan],[enable stand-alone Leak Sanitizer])],
[],
[enable_lsan=no]
)
AC_MSG_RESULT([$enable_lsan])
# Enable TSAN for the builds
AC_MSG_CHECKING([whether to enable tsan])
AC_ARG_ENABLE([tsan],
[AS_HELP_STRING([--enable-tsan],[turn on Thread Sanitizer])],
[],
[enable_tsan=no]
)
AC_MSG_RESULT([$enable_tsan])
#
# Enable Link Time Optimization. This may need different settings per compiler?
#
AC_MSG_CHECKING([whether to enable LTO])
AC_ARG_ENABLE([lto],
[AS_HELP_STRING([--enable-lto],[turn on Link Time Optimization])],
[],
[enable_lto=no]
)
AC_MSG_RESULT([$enable_lto])
#
# Fast SDK APIs, this disables the parameter checks (assert)
# on all APIs.
#
AC_MSG_CHECKING([whether to enable fast SDK APIs])
AC_ARG_ENABLE([fast-sdk],
[AS_HELP_STRING([--enable-fast-sdk],[enable fast SDK APIs (no input parameter sanity checks)])],
[],
[enable_fast_sdk=no]
)
AC_MSG_RESULT([$enable_fast_sdk])
TS_ARG_ENABLE_VAR([use], [fast-sdk])
# Curl support for traffic_top
AC_MSG_CHECKING([whether to enable CURL])
AC_ARG_ENABLE([curl],
[AS_HELP_STRING([--disable-curl],[turn off CURL support for traffic_top])],
[],
[enable_curl=yes]
)
AC_MSG_RESULT([$enable_curl])
if test "x${enable_curl}" = "xyes"; then
AX_LIB_CURL([7.19], [AC_DEFINE([HAS_CURL], [1], [Define if libcurl >= 7.19.])])
fi
#
# Diags
#
AC_MSG_CHECKING([whether to enable diags])
AC_ARG_ENABLE([diags],
[AS_HELP_STRING([--disable-diags],[turn off diags])],
[],
[enable_diags=yes]
)
AC_MSG_RESULT([$enable_diags])
TS_ARG_ENABLE_VAR([use], [diags])
#
# FIPS
#
AC_MSG_CHECKING([whether to enable fips])
AC_ARG_ENABLE([fips],
[AS_HELP_STRING([--enable-fips],[turn on FIPS compliance])],
[],
[enable_fips=no]
)
AC_MSG_RESULT([$enable_fips])
TS_ARG_ENABLE_VAR([enable], [fips])
#
# Build regression tests?
#
AC_MSG_CHECKING([whether to enable regression tests])
AC_ARG_ENABLE([tests],
[AS_HELP_STRING([--disable-tests],[turn off regression tests])],
[],
[enable_tests=yes]
)
AC_MSG_RESULT([$enable_tests])
TS_ARG_ENABLE_VAR([has], [tests])
AM_CONDITIONAL([BUILD_TESTS], [test 0 -ne $has_tests])
#
# Build expensive unit tests ?
#
AC_MSG_CHECKING([whether to enable expensive unit tests])
AC_ARG_ENABLE([expensive-tests],
[AS_HELP_STRING([--enable-expensive-tests],[turn on expensive unit tests])],
[],
[enable_expensive_tests=no]
)
AC_MSG_RESULT([$enable_expensive_tests])
TS_ARG_ENABLE_VAR([has], [expensive_tests])
AM_CONDITIONAL([EXPENSIVE_TESTS], [test 0 -ne $has_expensive_tests])
#
# Build documentation?
#
# Java needed only for documentation building, but making it conditional
# makes the diagnostic output ugly and hard to follow.
AC_ARG_VAR(JAVA, [path to java executor])
AC_CHECK_PROG(JAVA, java, java)
AC_MSG_RESULT([Checking whether to build documentation:])
AC_ARG_ENABLE([docs],
[AS_HELP_STRING([--enable-docs],[enable documentation building])],
[
enable_doc_build=yes
AM_PATH_PYTHON([3.4], [
TS_MAN1_MANPAGES=`cd $srcdir/doc && $PYTHON manpages.py --section=1 | $AWK '{print "$(BUILDDIR)/man/" $0 }' | tr '\n' ' '`
TS_MAN3_MANPAGES=`cd $srcdir/doc && $PYTHON manpages.py --section=3 | $AWK '{print "$(BUILDDIR)/man/" $0 }' | tr '\n' ' '`
TS_MAN5_MANPAGES=`cd $srcdir/doc && $PYTHON manpages.py --section=5 | $AWK '{print "$(BUILDDIR)/man/" $0 }' | tr '\n' ' '`
TS_MAN8_MANPAGES=`cd $srcdir/doc && $PYTHON manpages.py --section=8 | $AWK '{print "$(BUILDDIR)/man/" $0 }' | tr '\n' ' '`
], [
enable_doc_build=no
AC_MSG_ERROR(Doc building disabled, Python 3.4 or better required)
])
AS_IF([test -z "$JAVA"],
[
enable_doc_build=no
AC_MSG_ERROR(Doc building disabled, Java required but not found)
])
AC_ARG_VAR(SPHINXBUILD, [the sphinx-build documentation generator])
AC_ARG_VAR(SPHINXOPTS, [additional sphinx-build options])
AC_PATH_PROG([SPHINXBUILD], [$SPHINXBUILD], [$PYTHON -m sphinx])
AS_IF(["$PYTHON" "$srcdir/doc/checkvers.py" --check-version],
[
sphinx_version_check=yes
],[
sphinx_version_check=no
enable_doc_build=no
AC_MSG_ERROR(Doc building disabled, check Sphinx installation)
])
AC_SUBST(TS_MAN1_MANPAGES)
AC_SUBST(TS_MAN3_MANPAGES)
AC_SUBST(TS_MAN5_MANPAGES)
AC_SUBST(TS_MAN8_MANPAGES)
AC_MSG_CHECKING([whether to build man pages])
AS_IF([test "x$sphinx_version_check" = "xyes" -a "x$SPHINXBUILD" != "xfalse"], [
build_manpages=true
AC_MSG_RESULT([yes])
], [
build_manpages=false
AC_MSG_RESULT([no])
])
],
[enable_doc_build=no]
)
AC_MSG_RESULT([Will build documentation: $enable_doc_build])
AM_CONDITIONAL([BUILD_DOCS], [test "xyes" = "x$enable_doc_build"])
AM_CONDITIONAL([BUILD_MANPAGES], [test "xtrue" = "x$build_manpages"])
#
# WCCP
#
AC_MSG_CHECKING([whether to enable WCCP v2 support])
AC_ARG_ENABLE([wccp],
[AS_HELP_STRING([--enable-wccp],[enable WCCP v2])],
[],
[enable_wccp=no]
)
AC_MSG_RESULT([$enable_wccp])
TS_ARG_ENABLE_VAR([has],[wccp])
AM_CONDITIONAL([BUILD_WCCP], [test 0 -ne $has_wccp])
# Google profiler
AC_MSG_CHECKING([whether to enable profiler])
AC_ARG_WITH([profiler],
[AS_HELP_STRING([--with-profiler],[enable support for profiler [default=no]])],
[with_profiler=$withval],
[with_profiler=no]
)
AC_MSG_RESULT([$with_profiler])
# Disable all static library builds
AC_DISABLE_STATIC
#
# use eventfd() or pipes
# Found that ec2 is using an older kernel causing eventfd errors.
# Disable eventfd when using ATS on EC2 Fedora.
#
AC_MSG_CHECKING([whether to enable eventfd()])
AC_ARG_ENABLE([eventfd],
[AS_HELP_STRING([--disable-eventfd],[turn off eventfd and use pipes])],
[],
[enable_eventfd="yes"]
)
AC_MSG_RESULT([$enable_eventfd])
#
# use POSIX capabilities instead of user ID switching.
#
AC_MSG_CHECKING([whether to use POSIX capabilities])
AC_ARG_ENABLE([posix-cap],
[AS_HELP_STRING([--disable-posix-cap],[Use user id switching instead of POSIX capabilities])],
[],
[enable_posix_cap="auto"]
)
AC_MSG_RESULT([$enable_posix_cap])
#
# use hwloc library when possible (can be disabled)
#
AC_MSG_CHECKING([whether to use hwloc library])
AC_ARG_ENABLE([hwloc],
[AS_HELP_STRING([--disable-hwloc],[Don't use the hwloc library])],
[],
[enable_hwloc="yes"]
)
AC_MSG_RESULT([$enable_hwloc])
#
# Enable ccache explicitly (it's disabled by default, because of build problems in some cases)
#
AC_MSG_CHECKING([whether to enable ccache])
AC_ARG_ENABLE([ccache],
[AS_HELP_STRING([--enable-ccache],[Enable ccache (for developers)])],
[],
[enable_ccache="no"]
)
AC_MSG_RESULT([$enable_ccache])
#
# Enable hardening of the executables
#
AC_MSG_CHECKING([whether to enable hardening of the executables])
AC_ARG_ENABLE([hardening],
[AS_HELP_STRING([--enable-hardening],[Enable hardening of executables])],
[],
[enable_hardening="no"]
)
AC_MSG_RESULT([$enable_hardening])
#
# Use TPROXY for connection transparency.
#
AC_MSG_CHECKING([whether to enable TPROXY based transparency])
AC_ARG_ENABLE([tproxy],
[AS_HELP_STRING([--enable-tproxy[[=ARG]]],
[Use TPROXY to enable connection transparency.
'auto' or omitted for local system default,
'no' to disable,
'force' to use built in default,
number to use as IP_TRANSPARENT sockopt.
[default=auto]
])
],
[],
[enable_tproxy="auto"]
)
AC_MSG_RESULT([$enable_tproxy])
#
# Max host name length that we deal with in URLs.
#
AC_ARG_WITH([max-host-name-len],
[AS_HELP_STRING([--with-max-host-name-len],[max host name length [default=256]])],
[max_host_name_len=$withval],
[max_host_name_len=256]
)
AC_SUBST(max_host_name_len)
#
# EventProcessor thread configurations
#
AC_ARG_WITH([max-event-threads],
[AS_HELP_STRING([--with-max-event-threads],[max number of event threads [default=4096]])],
[max_event_threads=$withval],
[max_event_threads=4096]
)
AC_SUBST(max_event_threads)
AC_ARG_WITH([max-threads-per-type],
[AS_HELP_STRING([--with-max-threads-per-type],[max number of threads per event type [default=3072]])],
[max_threads_per_type=$withval],
[max_threads_per_type=3072]
)
AC_SUBST(max_threads_per_type)
#
# Experimental plugins
#
AC_MSG_CHECKING([whether to enable experimental plugins])
AC_ARG_ENABLE([experimental-plugins],
[AS_HELP_STRING([--enable-experimental-plugins],[build experimental plugins])],
[],
[enable_experimental_plugins=no]
)
AC_MSG_RESULT([$enable_experimental_plugins])
AM_CONDITIONAL([BUILD_EXPERIMENTAL_PLUGINS], [ test "x${enable_experimental_plugins}" = "xyes" ])
#
# Check Magick++ is available. Enable experimental/webp_transform plugin
#
PKG_CHECK_MODULES([LIBMAGICKCPP],[Magick++ >= 7], [
TS_ADDTO(LIBMAGICKCPP_CFLAGS, [-DMAGICK_VERSION=7])
have_libmagickcpp=yes
AS_IF([test "x$enable_experimental_plugins" = "xyes"], [
enable_image_magick_plugins=yes
])
],
[
PKG_CHECK_MODULES([LIBMAGICKCPP],[Magick++ < 7], [
TS_ADDTO(LIBMAGICKCPP_CFLAGS, [-DMAGICK_VERSION=6])
have_libmagickcpp=yes
AS_IF([test "x$enable_experimental_plugins" = "xyes"], [
enable_image_magick_plugins=yes
])
],
[
have_libmagickcpp=no
])])
AM_CONDITIONAL([BUILD_IMAGE_MAGICK_PLUGINS], [test "x${enable_image_magick_plugins}" = "xyes"])
#
# Example plugins. The example plugins are only built and installed if this is enabled. Installing
# them is useful for QA, but not useful for most users, so we default this to disabled.
#
AC_MSG_CHECKING([whether to install example plugins])
AC_ARG_ENABLE([example-plugins],
[AS_HELP_STRING([--enable-example-plugins],[Build and install example plugins])],
[],
[enable_example_plugins=no]
)
AC_MSG_RESULT([$enable_example_plugins])
AM_CONDITIONAL([BUILD_EXAMPLE_PLUGINS], [ test "x${enable_example_plugins}" = "xyes" ])
#
# Test tools. The test tools are always built, but not always installed. Installing
# them is useful for QA, but not useful for most users, so we default this to disabled.
#
AC_MSG_CHECKING([whether to install testing tools])
AC_ARG_ENABLE([test-tools],
[AS_HELP_STRING([--enable-test-tools],[install testing tools])],
[],
[enable_test_tools=no]
)
AC_MSG_RESULT([$enable_test_tools])
AM_CONDITIONAL([BUILD_TEST_TOOLS], [ test "x${enable_test_tools}" = "xyes" ])
#
# Check if we should allow builds on 32-bit platforms
#
AC_MSG_CHECKING([whether to allow 32-bit builds])
AC_ARG_ENABLE([32bit-build],
[AS_HELP_STRING([--enable-32bit-build],[allow 32bit builds])],
[],
[enable_32bit=no]
)
AC_MSG_RESULT([$enable_32bit])
#
# Installation directories
# For each var the following is evaluated
# foo Standard variable eg. ${prefix}/foo
# rel_foo Relative to prefix eg. foo
#
TS_SUBST_LAYOUT_PATH([prefix])
TS_SUBST_LAYOUT_PATH([exec_prefix])
TS_SUBST_LAYOUT_PATH([bindir])
TS_SUBST_LAYOUT_PATH([sbindir])
TS_SUBST_LAYOUT_PATH([libdir])
TS_SUBST_LAYOUT_PATH([libexecdir])
TS_SUBST_LAYOUT_PATH([infodir])
TS_SUBST_LAYOUT_PATH([mandir])
TS_SUBST_LAYOUT_PATH([sysconfdir])
TS_SUBST_LAYOUT_PATH([datadir])
TS_SUBST_LAYOUT_PATH([installbuilddir])
TS_SUBST_LAYOUT_PATH([includedir])
TS_SUBST_LAYOUT_PATH([localstatedir])
TS_SUBST_LAYOUT_PATH([runtimedir])
TS_SUBST_LAYOUT_PATH([logdir])
TS_SUBST_LAYOUT_PATH([cachedir])
TS_SUBST_LAYOUT_PATH([docdir])
TS_SUBST([pkgbindir])
TS_SUBST([pkgsbindir])
TS_SUBST([pkglibdir])
TS_SUBST([pkglibexecdir])
TS_SUBST([pkgsysconfdir])
TS_SUBST([pkgdatadir])
TS_SUBST([pkglocalstatedir])
TS_SUBST([pkgruntimedir])
TS_SUBST([pkglogdir])
TS_SUBST([pkgcachedir])
TS_SUBST([pkgdocdir])
# -----------------------------------------------------------------------------
# 3. CHECK FOR PROGRAMS
# Compiler selection:
#
# Implementation note (toc)
# 1) Get default compiler settings (case statement.)
# 2) Check for over-rides of default compiler.
# 3) (in first kludge mode block...) obtain any further CFLAG-type additions.
# 4) Test compilers with all flags set.
# AC_PROG can sometimes mangle CFLAGS etc.
# in particular, on Linux they insert -g -O2, here we preserve any user CFLAGS
_ts_saved_CFLAGS="${CFLAGS}"
_ts_saved_CXXFLAGS="${CXXFLAGS}"
# We force the compiler search list because the default GCC on Darwin cannot build
# Traffic Server. On most (all?) platforms, cc and c++ should be the preferred default
# compiler.
AC_PROG_CC([cc gcc clang icc])
AC_PROG_CXX([c++ g++ clang++ icpc])
AM_PROG_CC_C_O
AC_PROG_CPP
AC_PROG_CXXCPP
AM_PROG_AS
AX_COMPILER_VENDOR
AX_CC_FOR_BUILD
CFLAGS="${_ts_saved_CFLAGS}"
CXXFLAGS="${_ts_saved_CXXFLAGS}"
# All compilers we support have 'gnu99' as an available C standard
TS_ADDTO(AM_CFLAGS, [-std=gnu99])
AC_ARG_VAR(CXXSTD, [C++ standard version])
if test "x${CXXSTD}" = "x"; then
CXXSTD="17"
fi
case $CXXSTD in
17)
cxxver="201703L"
;;
20)
AC_MSG_NOTICE([Unsupported standard version $CXXSTD])
cxxver="202002L"
;;
23)
AC_MSG_NOTICE([Unsupported standard version $CXXSTD])
cxxver="202100L"
;;
*)
AC_MSG_WARN([Unrecognized standard version $CXXSTD])
CXXSTD="17"
cxxver="201703L"
;;
esac
ac_save_CXX="$CXX"
CXX="$CXX -std=c++$CXXSTD"
AC_LANG_PUSH(C++)
AC_MSG_CHECKING([whether $CXX supports -std=c++$CXXSTD])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([
#if __cplusplus < $cxxver
#error "This is not C++$CXXSTD"
#endif
], []
)], [
AC_MSG_RESULT(yes)
], [
AC_MSG_RESULT(no)
AC_MSG_ERROR([*** A compiler with support for -std=c++$CXXSTD is required.])
])
AC_LANG_POP
CXX="$ac_save_CXX"
TS_ADDTO(AM_CXXFLAGS, [-std=c++$CXXSTD])
dnl AC_PROG_SED is only available from version 2.6 (released in 2003). CentosOS
dnl 5.9 still has an ancient version, but we have macros that require
dnl AC_PROG_SED. The actual AC_PROG_SED macro does functional checks, but here
dnl we define a trivial local version for times when we are running on
dnl obsoldete autoconf.
ifdef([AC_PROG_SED], [], [
AC_DEFUN([AC_PROG_SED], [
AC_CHECK_PROG(SED, sed, sed)
])
])
# Various OS specific setup.
# This also sets up a "normalized" variable and define $host_os_def.
case $host_os in
linux*)
host_os_def="linux"
AM_LDFLAGS="-rdynamic"
;;
darwin*)
host_os_def="darwin"
;;
freebsd*)
host_os_def="freebsd"
AM_LDFLAGS="-rdynamic"
TS_ADDTO(TS_INCLUDES, [-I/usr/local/include])
TS_ADDTO(AM_CPPFLAGS, [-D_GLIBCXX_USE_C99])
TS_ADDTO(AM_CPPFLAGS, [-D_GLIBCXX_USE_C99_MATH])
TS_ADDTO(AM_CPPFLAGS, [-D_GLIBCXX_USE_C99_MATH_TR1])
;;
kfreebsd*)
host_os_def="freebsd"
AM_LDFLAGS="-rdynamic"
TS_ADDTO(TS_INCLUDES, [-I/usr/local/include])
TS_ADDTO(AM_CPPFLAGS, [-Dkfreebsd])
;;
openbsd*)
host_os_def="openbsd"
;;
*)
AM_LDFLAGS="-rdynamic"
host_os_def=unknown
;;
esac
TS_ADDTO(AM_CPPFLAGS, [-D$host_os_def])
AM_CONDITIONAL([OS_LINUX], [test "x$host_os_def" = "xlinux"])
dnl AM_PROG_AR is not always available, but it doesn't seem to be needed in older versions.
ifdef([AM_PROG_AR],
[AM_PROG_AR])
AC_PROG_AWK
AC_PROG_SED
AC_PROG_LN_S
AC_PROG_INSTALL
LT_INIT
AC_CHECK_PROG(RM, rm, rm)
AC_CHECK_PROG(ASCPP, cpp, cpp)
AC_CHECK_TOOL(AR, ar, ar)
AC_SEARCH_LIBS([strerror],[cposix])
AC_ARG_VAR(RPATH, [path to be added to rpath])
AC_ARG_VAR([CLANG_TIDY], [clang-tidy command])
# Default CLANG_TIDY to "clang-tidy", or "false" if it is not present.
AC_PATH_PROG([CLANG_TIDY], [clang-tidy],[false])
# Do bison check by hand because we must do a version check.
# Use YACC because it makes autotools shut up.
BISON_MAJOR=2
BISON_MINOR=4
BISON_POINT=1
AC_CHECK_PROG([YACC],[bison],[bison])
AS_IF([test -n "$YACC"],
[ bison_version_check=`$YACC --version 2>&1 | \
$SED -n '/bison/s/^[[^0-9]]*\([[0-9]][[0-9.]]*\).*$/\1/p' | \
$AWK "{ if (\\$1 > $BISON_MAJOR || (\\$1 == $BISON_MAJOR && (\\$2 > $BISON_MINOR || (\\$2 == $BISON_MINOR && (NR == 2 || \\$3 >= $BISON_POINT))))) print \"yes\"; else printf(\"version %d.%d.%d\",\\$1,\\$2,\\$3); }" FS=. \
`
AS_IF([test "x$bison_version_check" != "xyes"],
[ YACC=''
AS_IF([test -z "$bison_version_check"],
[bison_version_check='no version data']
)
]
)
],
[ YACC=''
bison_version_check="nothing"
]
)
# Check lex/flex by hand because we need flex of a sufficient version.
FLEX_MAJOR=2
FLEX_MINOR=5
FLEX_POINT=33
dnl ylwrap requires the lexer executable to be an absolute path or in the srcdir.
dnl but we need various other LEX values.
AC_PROG_LEX([noyywrap])
AS_IF([test -n "$LEX"],
[ flex_version_check=`$LEX --version 2>&1 | \
$SED -n '/flex/s/^[[^0-9]]*\([[0-9]][[0-9.]]*\)[[^0-9]]*.*$/\1/p' | \
$AWK "{ if (\\$1 > $FLEX_MAJOR || (\\$1 == $FLEX_MAJOR && (\\$2 > $FLEX_MINOR || (\\$2 == $FLEX_MINOR && (NR == 2 || \\$3 >= $FLEX_POINT))))) print \"yes\"; else printf(\"version %d.%d.%d\",\\$1,\\$2,\\$3); }" FS=. \
`
AS_IF([test "x$flex_version_check" != "xyes"],
[ LEX=''
AS_IF([test -z "$flex_version_check"],
[flex_version_check='no version data']
)
]
)
],
[ LEX=''
flex_version_check="nothing"
]
)
# Generated files checked in, only build them if the local OS has the necessary support.
# Otherwise just use the checked in version.
AM_CONDITIONAL([BUILD_TSCONFIG_GRAMMAR], [ test -n "$LEX" && test -n "$YACC" ])
# Check for Doxygen
AC_PATH_PROG([DOXYGEN], [doxygen]) # needed for Doxygen
AC_ARG_VAR([DOXYGEN], [full path of Doxygen executable])
# Check for GNU-style -On optimization flags
AC_MSG_CHECKING([whether to auto-set compiler optimization flags])
has_optimizer_flags=`echo "$CFLAGS $CXXFLAGS" | ${AWK} '$0 !~ /-O.?/{print "no"}'`
AS_IF([test "x${has_optimizer_flags}" = "xno"],
[
optimizing_flags='-O3'
AC_MSG_RESULT([yes ${optimizing_flags}])
],
[
has_optimizer_flags='yes'
optimizing_flags=''
AC_MSG_RESULT([no])
]
)
case $host_os_def in
linux)
AS_IF([test "x$ax_cv_c_compiler_vendor" = "xintel"], [
# -Wall is overzealous for us, so need to turn this off for now:
#
# #873 is "has no corresponding operator delete"
# #279 is "controlling expression is constant" (which is e.g. TSReleaseAssert(!"Unexpected Event");
common_opt="-pipe -Wall -wd873 -wd279"
debug_opt="-g $common_opt"
release_opt="-g $common_opt $optimizing_flags -axsse4.2 -fno-strict-aliasing"
cxx_opt="-Wno-invalid-offsetof"
])
AS_IF([test "x$ax_cv_c_compiler_vendor" = "xclang"], [
common_opt="-pipe -Wall -Wno-deprecated-declarations -Qunused-arguments -Wextra -Wno-ignored-qualifiers -Wno-unused-parameter"
debug_opt="-ggdb3 $common_opt -Qunused-arguments"
release_opt="-g $common_opt $optimizing_flags -fno-strict-aliasing -Qunused-arguments"
cxx_opt="-Wno-invalid-offsetof"
])
AS_IF([test "x$ax_cv_c_compiler_vendor" = "xgnu"], [
# This is useful for finding odd conversions
# common_opt="-pipe -Wall -Wconversion -Wno-sign-conversion -Wno-format-truncation"
common_opt="-pipe -Wall -Wextra -Wno-ignored-qualifiers -Wno-unused-parameter -Wno-format-truncation -Wno-cast-function-type -Wno-stringop-overflow"
debug_opt="-ggdb3 $common_opt"
release_opt="-g $common_opt $optimizing_flags -feliminate-unused-debug-symbols -fno-strict-aliasing"
cxx_opt="-Wno-invalid-offsetof -Wno-noexcept-type -Wsuggest-override"
# Special options for flex generated .c files
flex_cflags="-Wno-unused-parameter"
])
TS_ADDTO([AM_LDFLAGS], [-Wl,--as-needed])
;; # linux)
darwin)
AS_IF([test "x$ax_cv_c_compiler_vendor" = "xclang"], [
common_opt="-pipe -Wall -Qunused-arguments -Wextra -Wno-unused-parameter"
debug_opt="-g $common_opt"
release_opt="-g $common_opt $optimizing_flags -fno-strict-aliasing"
cxx_opt="-Wno-invalid-offsetof"
], [
AC_MSG_WARN([clang is the only supported compiler on Darwin])
])
# NOTE: This seems semi-kludgy, but useful for MacPorts I think.
AS_IF([test -d /opt/local/include], [
TS_ADDTO(TS_INCLUDES, [-I/opt/local/include])
])
AS_IF([test -d /opt/local/lib], [
TS_ADDTO(AM_LDFLAGS, [-L/opt/local/lib])
])
;; # darwin)
freebsd|kfreebsd)
AS_IF([test "x$ax_cv_c_compiler_vendor" = "xclang"], [
common_opt="-pipe -Wall -Wno-deprecated-declarations -Qunused-arguments -Wextra -Wno-ignored-qualifiers -Wno-unused-parameter"
debug_opt="-ggdb3 $common_opt"
release_opt="-g $common_opt $optimizing_flags -fno-strict-aliasing"
cxx_opt="-Wno-invalid-offsetof"
])
AS_IF([test "x$ax_cv_c_compiler_vendor" = "xgnu"], [
common_opt="-pipe -Wall -Wextra -Wno-ignored-qualifiers -Wno-unused-parameter"
debug_opt="-ggdb3 $common_opt"
release_opt="-g $common_opt $optimizing_flags -feliminate-unused-debug-symbols -fno-strict-aliasing"
cxx_opt="-Wno-invalid-offsetof -Wsuggest-override"
])
AS_IF([test -d /usr/local/lib], [
TS_ADDTO(AM_LDFLAGS, [-L/usr/local/lib])
])
;; # freebsd|kfreebsd)
*)
# Not sure what platform this is, but take a stab at some general GCC options ...
AS_IF([test "x$ax_cv_c_compiler_vendor" = "xgnu"], [
common_opt="-pipe -Wall -Wextra -Wno-ignored-qualifiers -Wno-unused-parameter"
debug_opt="-ggdb3 $common_opt"
release_opt="-g $common_opt $optimizing_flags -feliminate-unused-debug-symbols -fno-strict-aliasing"
cxx_opt="-Wno-invalid-offsetof"
])
esac
AS_IF([test x"$enable_coverage" = "xyes"], [
# Map per-compiler code coverage instrumentation flags. Note that
# we don't test whether the compiler actually support these options
# (we don't do that in general). The user is expected to use a modern,
# supported compiler to test coverage.
AS_CASE("$ax_cv_c_compiler_vendor",
[clang], [
TS_ADDTO(AM_CXXFLAGS, "-fprofile-instr-generate")
TS_ADDTO(AM_CXXFLAGS, "-fcoverage-mapping")
TS_ADDTO(AM_CFLAGS, "-fprofile-instr-generate")
TS_ADDTO(AM_CFLAGS, "-fcoverage-mapping")
], [gnu], [
TS_ADDTO(AM_CXXFLAGS, "--coverage")
TS_ADDTO(AM_CFLAGS, "--coverage")
TS_ADDTO(LIBS, "-lgcov")
])
])
# Only add -Werror if the user has requested it. We enable this by default for
# development, disable it by default for release.
AS_IF([test x"$enable_werror" = "xyes"], [
TS_ADDTO(release_opt, -Werror)
TS_ADDTO(debug_opt, -Werror)
])
# Add the necessary flags for LTO
AS_IF([test x"$enable_lto" = "xyes"], [
AS_IF([test "x$ax_cv_c_compiler_vendor" = "xclang"], [
TS_ADDTO(AM_CXXFLAGS, [-flto=thin -fuse-ld=lld])
TS_ADDTO(AM_CFLAGS, [-flto=thin -fuse-ld=lld])
TS_ADDTO(AM_LDFLAGS, [-flto=thin -fuse-ld=lld])
], [
TS_ADDTO(AM_CXXFLAGS, [-flto])
TS_ADDTO(AM_CFLAGS, [-flto])
TS_ADDTO(AM_LDFLAGS, [-flto])
])
])
cc_oflag_opt=$release_opt
cc_oflag_dbg=$debug_opt
cxx_oflag_opt="$release_opt $cxx_opt $cxx_rel"
cxx_oflag_dbg="$debug_opt $cxx_opt $cxx_dbg"
# Special compiler flag hacks for various pieces of the code
AC_SUBST([FLEX_CFLAGS], $flex_cflags)
#
# _Here_ is where we go ahead and add the _optimizations_ to already
# existing CFLAGS/CXXFLAGS if some special values had been set.
#
if test "x${enable_debug}" = "xyes"; then
TS_ADDTO(AM_CFLAGS, [${cc_oflag_dbg}])
TS_ADDTO(AM_CXXFLAGS, [${cxx_oflag_dbg}])
TS_ADDTO(AM_CPPFLAGS, [-DDEBUG -D_DEBUG])
else
TS_ADDTO(AM_CFLAGS, [${cc_oflag_opt}])
TS_ADDTO(AM_CXXFLAGS, [${cxx_oflag_opt}])
fi
if test "x${enable_mime_sanity_check}" = "xyes"; then
TS_ADDTO(AM_CPPFLAGS, [-DENABLE_MIME_SANITY_CHECK])