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configure.ac
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## Copyright (C) 1996-2023 The Squid Software Foundation and contributors
##
## Squid software is distributed under GPLv2+ license and includes
## contributions from numerous individuals and organizations.
## Please see the COPYING and CONTRIBUTORS files for details.
##
AC_INIT([Squid Web Proxy],[8.0.0-VCS],[https://bugs.squid-cache.org/],[squid])
AC_PREREQ(2.61)
AC_CONFIG_HEADERS([include/autoconf.h])
AC_CONFIG_AUX_DIR(cfgaux)
AC_CONFIG_SRCDIR([src/main.cc])
AM_INIT_AUTOMAKE([tar-ustar nostdinc subdir-objects dist-xz])
AC_REVISION($Revision$)dnl
AC_PREFIX_DEFAULT(/usr/local/squid)
AM_MAINTAINER_MODE
m4_include([acinclude/ax_with_prog.m4])
m4_include([acinclude/init.m4])
m4_include([acinclude/squid-util.m4])
m4_include([acinclude/compiler-flags.m4])
m4_include([acinclude/os-deps.m4])
m4_include([acinclude/krb5.m4])
m4_include([acinclude/ldap.m4])
m4_include([acinclude/pam.m4])
m4_include([acinclude/pkg.m4])
m4_include([acinclude/tdb.m4])
m4_include([acinclude/lib-checks.m4])
m4_include([acinclude/ax_cxx_compile_stdcxx.m4])
m4_include([acinclude/win32-sspi.m4])
PRESET_CFLAGS="$CFLAGS"
PRESET_CXXFLAGS="$CXXFLAGS"
PRESET_LDFLAGS="$LDFLAGS"
dnl Set default LDFLAGS
AS_IF([test "x$LDFLAGS" = "x"],[LDFLAGS="-g"])
# check for host OS detail
AC_CANONICAL_HOST
AC_MSG_CHECKING([simplified host os])
simple_host_os=`echo $host_os|sed 's/[0-9].*//g;s/-.*//g'`
squid_host_os_version=`echo $host_os|tr -d "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-"`
AS_IF([test -n "$squid_host_os_version"],[
squid_host_os="`echo $simple_host_os| sed s/$squid_host_os_version//g`"
],[
squid_host_os="$simple_host_os"
])
AC_MSG_RESULT($squid_host_os (version $squid_host_os_version))
# on windows squid_host_os is either mingw or cygwin, version is 32
AS_IF([test -e /etc/os-release],[
squid_build_os_release_name=`grep '^PRETTY_NAME=' /etc/os-release | sed 's/^[[^"]]*"//;s/".*$//'`
AS_IF([test "x$squid_build_os_release_name" = "x"],[
squid_build_os_release_name=`grep '^NAME=' /etc/os-release | sed 's/^[[^"]]*"//;s/".*$//'`
])
AS_IF([test "x$squid_build_os_release_name" != "x"],[
AC_MSG_NOTICE([Building on $squid_build_os_release_name])
])
])
AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_CXX
# AC_USE_SYSTEM_EXTENSIONS should be called before any macros that run the C compiler.
AC_USE_SYSTEM_EXTENSIONS
AC_LANG([C++])
# Clang 3.2 on some CPUs requires -march-native to detect correctly.
# GCC 4.3+ can also produce faster executables when its used.
# But building inside a virtual machine environment has been found to
# cause random Illegal Instruction errors due to mis-detection of CPU.
AC_ARG_ENABLE(arch-native,
AS_HELP_STRING([--disable-arch-native],[Some compilers offer CPU-specific
optimizations with the -march=native parameter.
This flag disables the optimization. The default is to
auto-detect compiler support and use where available.]), [
SQUID_YESNO([$enableval],[--enable-arch-native])
])
AC_MSG_NOTICE([CPU arch native optimization enabled: ${enable_arch_native:=auto}])
AS_IF([test "x${enable_arch_native}" != "xno"],[
SQUID_CC_CHECK_ARGUMENT([squid_cv_check_marchnative],[-march=native])
])
# If the user did not specify a C++ version.
user_cxx=`echo "$PRESET_CXXFLAGS" | grep -o -E "(-)std="`
AS_IF([test "x$user_cxx" = "x"],[
# Check for C++17 compiler support
# May change CXX.
AX_CXX_COMPILE_STDCXX([17],[noext],[mandatory])
])
# Prerequisite: CXX has been finalized.
# BUILDCXXFLAGS are defined later, after CXXFLAGS have been finalized.
AC_ARG_VAR([BUILDCXX],[path to compiler for building compile-time tools. e.g. cf_gen])
AS_IF([test "x$HOSTCXX" != "x" -a "x$BUILDCXX" = "x"],[
AC_MSG_WARN([Cross-compiling with HOSTCXX is deprecated. Use BUILDCXX instead.])
BUILDCXX="$HOSTCXX"
])
AS_IF([test "x$BUILDCXX" = "x"],[
BUILDCXX="$CXX"
AS_IF([test "x$squid_cv_check_marchnative" = "xyes"],[
CXXFLAGS="$CXXFLAGS -march=native"
])
])
AC_SUBST(BUILDCXX)
# test for programs
AC_PROG_RANLIB
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_EGREP
AC_PATH_PROG(SH, sh, /bin/sh)
AC_PATH_PROG(FALSE, false, /usr/bin/false)
AC_PATH_PROG(TRUE, true, /usr/bin/true)
AC_PATH_PROG(MV, mv, $FALSE)
AC_PATH_PROG(MKDIR, mkdir, $FALSE)
AC_PATH_PROG(LN, ln, cp)
AC_PATH_PROG(CHMOD, chmod, $FALSE)
AC_PATH_PROG(TR, tr, $FALSE)
AC_PATH_PROG(RM, rm, $FALSE)
dnl Libtool 2.2.6 requires: rm -f
RM="$RM -f"
PKG_PROG_PKG_CONFIG
AS_IF([test "x$PKG_CONFIG" = "x"],[
AC_MSG_WARN([pkg-config not found. Many optional features with external dependencies will not be enabled by default, usually without further warnings.])
])
AC_PATH_PROG(PERL, perl, none)
AS_IF([test "x$ac_cv_path_PERL" = "xnone"],[
AC_MSG_FAILURE([Perl is required to compile Squid. Please install Perl and then re-run configure ])
])
AC_PATH_PROG(POD2MAN, pod2man, $FALSE)
AM_CONDITIONAL(ENABLE_POD2MAN_DOC, test "x${ac_cv_path_POD2MAN}" != "x$FALSE")
AC_PATH_PROG(AR, ar, $FALSE)
AR_R="$AR r"
AC_SUBST(AR_R)
AC_PATH_PROG(LINUXDOC, linuxdoc, $FALSE)
AM_CONDITIONAL(ENABLE_RELEASE_DOCS, test "x${ac_cv_path_LINUXDOC}" != "x$FALSE")
SQUID_RELEASE=`echo $VERSION | cut -d. -f1`
AC_SUBST(SQUID_RELEASE)
# pre-define DEFAULT_PREFIX, some modules need it.
AS_IF([test "${prefix}" = "NONE"],[squid_prefix=$ac_default_prefix],[squid_prefix=$prefix])
AC_DEFINE_UNQUOTED(DEFAULT_PREFIX,[$squid_prefix],[The install prefix])
AC_ARG_ENABLE(strict-error-checking,
AS_HELP_STRING([--disable-strict-error-checking],[By default squid is compiled
with all possible static compiler error-checks enabled.
This flag disables the behavior]), [
SQUID_YESNO([$enableval],[--enable-strict-error-checking])
])
AC_MSG_NOTICE([strict error checking enabled: ${enable_strict_error_checking:=yes}])
# LT_INIT requires libtool v2, might as well state it loud
LT_PREREQ([2.2])
LT_INIT([dlopen])
AS_IF([test "x$ac_top_build_prefix" != "x"],[
# LTDL v3-v7 macros assume the autoconf 2.62 variable top_build_prefix is defined
# But from autoconf 2.64 its called ac_top_build_prefix and not automatically added to the Makefile
# This fixes Linux LTDLv3-v7, and BSD LTDL v2.2
top_build_prefix=${ac_top_build_prefix}
AC_SUBST(top_build_prefix)
])
LTDL_INIT
dnl LibTool environment is now prepared for setup. Check that it is usable and initialize.
LT_LIB_DLLOAD
# Do we need these unconditionally for "make distcheck" to work?
AC_SUBST(INCLTDL)
AC_SUBST(LIBLTDL)
AC_MSG_CHECKING(whether to use loadable modules)
AS_IF([test "x${enable_shared:=yes}" = "xyes"],[AC_DEFINE(USE_LOADABLE_MODULES,1,[Support Loadable Modules])])
AM_CONDITIONAL(ENABLE_LOADABLE_MODULES, test "x${enable_shared:=yes}" = "xyes")
AC_MSG_RESULT([$enable_shared])
SQUID_CC_GUESS_VARIANT
SQUID_CC_GUESS_OPTIONS
dnl find out the exe extension for this platform.
dnl If it is not empty, use it for CGI as well.
AC_EXEEXT
AC_OBJEXT
AS_IF([test "x$EXEEXT" = "x"],[CGIEXT=".cgi"],[CGIEXT=""])
AC_SUBST(CGIEXT)
AM_CONDITIONAL(ENABLE_WIN32SPECIFIC,[test "x$squid_host_os" = "xmingw"])
AM_CONDITIONAL(ENABLE_WIN32_IPC,[test "x$squid_host_os" = "xmingw"])
AS_CASE(["$squid_host_os"],
[mingw],[
CFLAGS="$CFLAGS -mthreads"
CXXFLAGS="$CXXFLAGS -mthreads -static-libgcc -static-libstdc++"
dnl Check for Winsock only on MinGW
SQUID_CHECK_WINSOCK_LIB
AC_CHECK_HEADERS([ws2tcpip.h winsock2.h windows.h io.h],,,[
#if HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
#if HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
#if HAVE_WINDOWS_H
#include <windows.h>
#endif
])
MINGW_LIBS="-lmingwex"
AC_SUBST(MINGW_LIBS)
AC_CHECK_FUNCS([fsync])
],
[freebsd],[
# FreeBSD places local libraries and packages in /usr/local
CFLAGS="$CFLAGS -I/usr/local/include"
CXXFLAGS="$CXXFLAGS -I/usr/local/include"
LDFLAGS="$LDFLAGS -L/usr/local/lib -Wl,-R/usr/local/lib"
]
)
dnl Substitutions
AC_DEFINE_UNQUOTED(CONFIG_HOST_TYPE, "$host",[Host type from configure])
AC_DEFINE_UNQUOTED(SQUID_CONFIGURE_OPTIONS, "$ac_configure_args",
[configure command line used to configure Squid])
CACHE_EFFECTIVE_USER="nobody"
AC_ARG_WITH(default-user,
AS_HELP_STRING([--with-default-user=USER],[System user account for squid permissions. Default: nobody]),
[ CACHE_EFFECTIVE_USER="$withval" ]
)
AC_SUBST(CACHE_EFFECTIVE_USER)
DEFAULT_LOG_DIR="$localstatedir/logs"
AC_ARG_WITH(logdir,
AS_HELP_STRING([--with-logdir=PATH],
[Default location for squid logs. default: PREFIX/var/logs]),[
AS_CASE([$withval],
[yes|no],[AC_MSG_ERROR([--with-logdir requires a directory PATH. --with-logdir=PATH])],
[DEFAULT_LOG_DIR="$withval"]
)
])
AC_SUBST(DEFAULT_LOG_DIR)
DEFAULT_PID_FILE="$localstatedir/run/@[email protected]"
AC_ARG_WITH(pidfile,
AS_HELP_STRING([--with-pidfile=PATH],
[Default location for squid pid file. Default: PREFIX/var/run/squid.pid]),[
AS_CASE([$withval],
[yes|no],[AC_MSG_ERROR([--with-pidfile requires a file PATH. --with-pidfile=PATH])],
[DEFAULT_PID_FILE="$withval"]
)
])
AC_SUBST(DEFAULT_PID_FILE)
DEFAULT_SWAP_DIR="$localstatedir/cache/squid"
AC_ARG_WITH(swapdir,
AS_HELP_STRING([--with-swapdir=PATH],
[Default location for squid cache directories. Default: PREFIX/var/cache/squid]),[
AS_CASE([$withval],
[yes|no],[AC_MSG_ERROR([--with-swapdir requires a directory PATH. --with-swapdir=PATH])],
[DEFAULT_SWAP_DIR="$withval"]
)
])
AC_SUBST(DEFAULT_SWAP_DIR)
dnl Set Default CFLAGS
AS_IF([test "x$PRESET_CFLAGS" = "x"],[
AS_IF([test "$squid_cv_compiler" = "gcc"],[
# TODO check if these exceptions are still necessary
AS_CASE(["$host"],
[*-sun-sunos*],[
# sunos has too many warnings for -Wall to be useful
],
[CFLAGS="$squid_cv_cc_option_wall $CFLAGS"]
)
],[
AS_CASE(["$host"],
[*mips-sgi-irix6.*],[
# suggested by Rafael Seidl <[email protected]>
CFLAGS="$squid_cv_cc_option_optimize -OPT:Olimit=0:space=OFF \
-woff 1009,1014,1110,1116,1183,1185,1188,1204,1230,1233,1355 \
-Wl,-woff,85,-woff,84,-woff,134 \
-nostdinc -I/usr/include -D_BSD_SIGNALS $CFLAGS"
CXXFLAGS="$squid_cv_cc_option_optimize -OPT:Olimit=0:space=OFF \
-woff 1009,1014,1110,1116,1183,1185,1188,1204,1230,1233,1355 \
-Wl,-woff,85,-woff,84,-woff,134 \
-nostdinc -I/usr/include -D_BSD_SIGNALS $CXXFLAGS"
])
])
])
AC_MSG_CHECKING([compiler name-version])
squid_cv_cc_name=`$CC --version | head -1 | cut -f1 -d" "`
AS_CASE([$squid_cv_cc_name],
[gcc|clang],[squid_cv_cc_majversion=`$CC -dumpversion | cut -f1 -d.`],
[squid_cv_cc_majversion="unknown"]
)
squid_cv_cc_simplified="$squid_cv_cc_name-$squid_cv_cc_majversion"
AC_MSG_RESULT($squid_cv_cc_simplified)
# warning flags
# -Wall
SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([$squid_cv_cc_option_wall])
# -Wextra
AS_IF([test "$squid_cv_cc_simplified" = "gcc-4"],[
AC_MSG_NOTICE([skipping -Wextra on $squid_cv_cc_simplified])
],[
SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Wextra])
# Now disable or configure certain warnings enabled by -Wextra
# -Wunused-private-field causes a huge number of false positives
# in unit tests. Disable that
SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Wno-unused-private-field])
# ...=5: Do not trust comments about fallthrough cases (GCC).
SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Wimplicit-fallthrough=5])
AS_IF([test "x$squid_cv_cc_arg_wimplicit_fallthrough_5" != "xyes"], [
SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Wno-implicit-fallthrough])
])
])
# useful warnings that may not be included in -Wall -Wextra
SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Wpointer-arith])
SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Wwrite-strings])
SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Wcomments])
SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Wshadow])
SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Wmissing-declarations])
SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Woverloaded-virtual])
dnl CentOS (and RHEL) still define ntohs() using deprecated C++ features
SQUID_CC_REQUIRE_ARGUMENT([ac_cv_require_wno_deprecated_register],[-Werror -Wno-deprecated-register],[[#include <arpa/inet.h>]],[[int fox=ntohs(1);]])
AS_IF([test "x$enable_strict_error_checking" != "xno"],[
SQUID_CFLAGS="$SQUID_CFLAGS $squid_cv_cc_option_werror"
SQUID_CXXFLAGS="$SQUID_CXXFLAGS $squid_cv_cxx_option_werror"
])
AS_IF([test "x$ac_cv_require_wno_deprecated_register" = "xyes"],[
SQUID_CXXFLAGS="$SQUID_CXXFLAGS -Wno-deprecated-register"
])
# squid_cv_cc_arg_pipe is set by SQUID_CC_GUESS_OPTIONS
SQUID_CXXFLAGS="$SQUID_CXXFLAGS $squid_cv_cc_arg_pipe"
SQUID_CFLAGS="$SQUID_CFLAGS $squid_cv_cc_arg_pipe"
# possibly include some build info tag into squid -v
SQUID_EMBED_BUILD_INFO
AC_ARG_ENABLE(optimizations,
AS_HELP_STRING([--disable-optimizations],
[Do not compile Squid with compiler optimizations enabled.
Optimization is good for production builds, but not
good for debugging. During development, use
--disable-optimizations to reduce compilation times
and allow easier debugging.]), [
AS_IF([test "x$enableval" = "xno"],[
AC_MSG_NOTICE([Disabling compiler optimizations (-O flag)])
CFLAGS="`echo $CFLAGS | sed -e 's/-O[[0-9g]]*//'`"
CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-O[[0-9g]]*//'`"
])
])
dnl Nasty hack to get autoconf 2.64 on Linux to run.
dnl all other uses of RUN_IFELSE are wrapped inside CACHE_CHECK which breaks on 2.64
AC_RUN_IFELSE([AC_LANG_SOURCE([[ int main(int argc, char **argv) { return 0; } ]])],[],[],[:])
AH_TEMPLATE(XMALLOC_STATISTICS,[Define to have malloc statistics])
AC_ARG_ENABLE(xmalloc-statistics,
AS_HELP_STRING([--enable-xmalloc-statistics],
[Show malloc statistics in status page]), [
SQUID_YESNO([$enableval],[--enable-xmalloc-statistics])
])
SQUID_DEFINE_BOOL(XMALLOC_STATISTICS,${enable_xmalloc_statistics:=no},
[Show malloc statistics in status page])
AC_MSG_NOTICE([xmalloc stats display: $enable_xmalloc_statistics])
squid_opt_aufs_threads=""
AC_ARG_WITH(aufs-threads,
AS_HELP_STRING([--with-aufs-threads=N_THREADS],
[Tune the number of worker threads for the aufs object store.]), [
AS_CASE([$withval],
[@<:@0-9@:>@*],[squid_opt_aufs_threads=$withval],
AC_MSG_ERROR(--with-aufs-threads expects a numeric argument)
)
])
AS_IF([test "x$squid_opt_aufs_threads" != "x"],[
AC_MSG_NOTICE([With $squid_opt_aufs_threads aufs threads])
AC_DEFINE_UNQUOTED(AUFS_IO_THREADS,$squid_opt_aufs_threads,
[Defines how many threads aufs uses for I/O])
])
AC_DEFUN([LIBATOMIC_CHECKER],[
AC_MSG_CHECKING(whether linking $1 -latomic works)
AC_LINK_IFELSE([
AC_LANG_SOURCE([[
#include <atomic>
#include <cstdint>
int
main(int argc, char **) {
return (
std::atomic<uint8_t>(uint8_t(argc)).exchange(0) &&
std::atomic<uint64_t>{}.is_lock_free()
) ? 0 : 1;
}
]])],[
AC_MSG_RESULT(yes)
libatomic_checker_result="yes"],[
AC_MSG_RESULT(no)
libatomic_checker_result="no"
])])
## check for atomics library before anything that might need it
SQUID_STATE_SAVE(LIBATOMIC)
LIBATOMIC_CHECKER(without)
AS_IF([test "x$libatomic_checker_result" = "xno"],[
LIBS="$LIBS -latomic"
LIBATOMIC_CHECKER(with)
AS_IF([test "x$libatomic_checker_result" = "xyes"],[
ATOMICLIB="-latomic"],[
AC_MSG_ERROR([Required library libatomic not found.])
])])
SQUID_STATE_ROLLBACK(LIBATOMIC)
AC_SUBST(ATOMICLIB)
SQUID_AUTO_LIB(psapi,[Windows PSAPI.dll],[LIBPSAPI])
SQUID_CHECK_LIB_WORKS(psapi,[
CPPFLAGS="$LIBPSAPI_CFLAGS $CPPFLAGS"
LIBS="$LIBPSAPI_PATH $LIBS"
AC_CHECK_LIB([psapi],[K32GetProcessMemoryInfo],[
LIBPSAPI_LIBS="-lpsapi"
AC_CHECK_HEADERS([psapi.h],,,[
#if HAVE_WINDOWS_H
#include <windows.h>
#endif
])
])
])
AC_SEARCH_LIBS([shm_open], [rt])
AS_IF([test "x$ac_cv_search_shm_open" != "xno"],[
AC_DEFINE(HAVE_SHM,1,[Support shared memory features])
])
squid_disk_module_candidates=
AC_ARG_ENABLE(disk-io,
AS_HELP_STRING([--enable-disk-io="list of modules"],
[Build support for the list of disk I/O modules.
Set without a value or omitted, all available modules will be built.
See src/DiskIO for a list of available modules, or
Programmers Guide section on DiskIO
for details on how to build your custom disk module]),
AS_CASE(["$enableval"],
[yes],[],
[no|none],[enable_disk_io="no"],
[
enable_disk_io="yes"
squid_disk_module_candidates="$enableval"
])
)
AS_IF([test "x${enable_disk_io:=yes}" = "xyes"],[
SQUID_LOOK_FOR_MODULES([$srcdir/src/DiskIO],[squid_disk_module_candidates])
AS_IF([test "x$ac_cv_search_shm_open" = "xno"],[
squid_disk_module_candidates=`echo "$squid_disk_module_candidates" | sed 's/IpcIo//g'`
])
])
SQUID_CLEANUP_MODULES_LIST([squid_disk_module_candidates])
SQUID_CHECK_EXISTING_MODULES([$srcdir/src/DiskIO],[squid_disk_module_candidates])
AC_MSG_NOTICE([DiskIO modules built: ${squid_disk_module_candidates:-none}])
SQUID_DEFINE_BOOL(USE_DISKIO,$enable_disk_io,[DiskIO modules are expected to be available.])
dnl Some autoconf.h defines we might enable later...
AC_ARG_WITH(pthreads,AS_HELP_STRING([--without-pthreads],[Disable POSIX Threads]))
AC_ARG_WITH(aio, AS_HELP_STRING([--without-aio],[Do not use POSIX AIO. Default: auto-detect]))
ENABLE_WIN32_AIOPS=0
squid_opt_use_aio=
squid_opt_use_diskthreads=
AIOLIB=
dnl Setup the module paths etc.
DISK_LIBS=
DISK_MODULES=
AH_TEMPLATE(HAVE_DISKIO_MODULE_AIO, [Whether POSIX AIO Disk I/O module is built])
AH_TEMPLATE(HAVE_DISKIO_MODULE_BLOCKING, [Whether Blocking Disk I/O module is built])
AH_TEMPLATE(HAVE_DISKIO_MODULE_DISKDAEMON, [Whether DiskDaemon Disk I/O module is built])
AH_TEMPLATE(HAVE_DISKIO_MODULE_DISKTHREADS, [Whether DiskThreads Disk I/O module is built])
AH_TEMPLATE(HAVE_DISKIO_MODULE_IPCIO, [Whether IpcIo Disk I/O module is built])
AH_TEMPLATE(HAVE_DISKIO_MODULE_MMAPPED, [Whether Mmapped Disk I/O module is built])
for module in $squid_disk_module_candidates none; do
# maybe not needed
AS_IF([test "x$module" = "xnone"],[continue])
AS_IF([! test -d "$srcdir/src/DiskIO/$module"],[AC_MSG_ERROR([disk-io $module does not exist])])
AS_CASE(["$module"],
[AIO],[
dnl Check for POSIX AIO availability
squid_opt_use_aio="yes"
AIOLIB=
AS_IF([test "x$with_aio" != "xno"],[
have_aio_header=no
AC_CHECK_HEADERS(aio.h,[have_aio_header=yes])
dnl On some systems POSIX AIO functions are in librt
dnl On some systems POSIX AIO functions are in libaio
AC_CHECK_LIB(rt,aio_read,[AIOLIB="-lrt"],AC_CHECK_LIB(aio,aio_read,[AIOLIB="-laio"],[]))
dnl Enable AIO if the library and headers are found
AS_IF([test "x$AIOLIB" != "x" -a "x$have_aio_header" = "xyes"],[
AC_MSG_NOTICE([Native POSIX AIO support detected.])
squid_opt_use_aio="yes"
],[
dnl Windows does things differently. We provide wrappers.
dnl TODO: Windows really needs its own DiskIO module or its Overlaped IO
AS_IF([test "$squid_host_os" = "mingw"],[
squid_opt_use_aio="yes"
AC_MSG_NOTICE([Windows being built. Maybe-enable POSIX AIO.])
],[
squid_opt_use_aio="no"
AC_MSG_NOTICE([Native POSIX AIO support not detected. AIO automatically disabled.])
])
])
],[
AC_MSG_NOTICE([POSIX AIO support manually disabled.])
squid_opt_use_aio="no"
])
dnl Use the POSIX AIO pieces if we actually need them.
AS_IF([test "x$squid_opt_use_aio" = "xyes"],[
DISK_MODULES="$DISK_MODULES AIO"
AC_DEFINE([HAVE_DISKIO_MODULE_AIO],1,[POSIX AIO Disk I/O module is built])
AS_IF([test "$squid_host_os" = "mingw"],[
ENABLE_WIN32_AIO=1
AC_MSG_NOTICE([Replacing AIO DiskIO module with: Windows overlapped I/O support])
],[
AC_MSG_NOTICE([Enabling AIO DiskIO module])
])
],[
AC_MSG_NOTICE([AIO DiskIO Module disabled. Missing POSIX AIO support.])
squid_disk_module_candidates_AIO=no
])
],
[Blocking],[
AC_MSG_NOTICE([Enabling Blocking DiskIO module])
DISK_MODULES="$DISK_MODULES Blocking"
AC_DEFINE([HAVE_DISKIO_MODULE_BLOCKING],1,[Blocking Disk I/O module is built])
],
[DiskDaemon],[
AS_IF([test "$squid_host_os" = "mingw"],[
AC_MSG_NOTICE([DiskDaemon not supported on MinGW])
squid_disk_module_candidates_DiskDaemon=no
],[
AC_MSG_NOTICE([Enabling DiskDaemon DiskIO module])
DISK_MODULES="$DISK_MODULES DiskDaemon"
AC_DEFINE([HAVE_DISKIO_MODULE_DISKDAEMON],1,[DiskDaemon Disk I/O module is built])
])
],
[DiskThreads],[
squid_opt_use_diskthreads="yes"
LIBPTHREADS=
SQUID_STATE_SAVE([diskthreads_state],[SQUID_CFLAGS SQUID_CXXFLAGS])
AS_IF([test "x$with_pthreads" != "xno"],[
dnl TODO: this needs to be extended to handle more systems and better
dnl REF: http://www.openldap.org/lists/openldap-bugs/200006/msg00070.html
dnl REF: http://autoconf-archive.cryp.to/acx_pthread.html
AS_CASE(["$squid_host_os"],
[mingw],[
ENABLE_WIN32_AIOPS=1
AC_MSG_NOTICE([Windows threads support automatically enabled])
],
[freebsd],[
AS_IF([test `echo "$squid_host_os_version" | tr -d .` -lt 70],[
AC_MSG_NOTICE(pthread library requires FreeBSD 7 or later)
squid_opt_use_diskthreads="no"
],[
SQUID_CFLAGS="$SQUID_CFLAGS -D_REENTRANT"
SQUID_CXXFLAGS="$SQUID_CXXFLAGS -D_REENTRANT"
AS_IF([test "x$GCC" = "xyes" -a "x$PRESET_LDFLAGS" = "x"],[LDFLAGS="$LDFLAGS -pthread"])
])
],
[openbsd],[
AS_IF([test `echo "$squid_host_os_version" | tr -d .` -lt 52],[
AC_MSG_NOTICE(pthread library requires OpenBSD 5.2 or later)
squid_opt_use_diskthreads="no"
],[
SQUID_CFLAGS="$SQUID_CFLAGS -D_REENTRANT"
SQUID_CXXFLAGS="$SQUID_CXXFLAGS -D_REENTRANT"
LDFLAGS="$LDFLAGS -lpthread"
])
],
[solaris],[
AS_IF([test "x$GCC" = "xyes"],[
SQUID_CFLAGS="$SQUID_CFLAGS -D_REENTRANT -pthreads"
SQUID_CXXFLAGS="$SQUID_CXXFLAGS -D_REENTRANT -pthreads"
AC_CHECK_LIB(pthread, pthread_create ,[LIBPTHREADS="-lpthread"], [
AC_MSG_NOTICE(pthread library required but cannot be found.)
squid_opt_use_diskthreads="no"
])
],[
dnl test for -lpthread first. libc version is a stub apparently on Solaris.
SQUID_CFLAGS="$SQUID_CFLAGS -D_REENTRANT -lpthread"
SQUID_CXXFLAGS="$SQUID_CXXFLAGS -D_REENTRANT -lpthread"
AC_SEARCH_LIBS([pthread_create],[pthread thread],[
LIBPTHREADS="" #in LIBS
],[
AC_MSG_NOTICE(pthread library required but cannot be found.)
squid_opt_use_diskthreads="no"
])
])
],
[
SQUID_CFLAGS="$SQUID_CFLAGS -D_REENTRANT"
SQUID_CXXFLAGS="$SQUID_CXXFLAGS -D_REENTRANT"
AC_CHECK_LIB(pthread, pthread_create ,[LIBPTHREADS="-lpthread"], [
AC_MSG_NOTICE(pthread library required but cannot be found.)
squid_opt_use_diskthreads="no"
])
]
)
],[
AC_MSG_NOTICE([Native pthreads support manually disabled.])
squid_opt_use_diskthreads="no"
])
AS_IF([test "x$squid_opt_use_diskthreads" = "xyes"],[
AC_MSG_NOTICE([Enabling DiskThreads DiskIO module])
DISK_MODULES="$DISK_MODULES DiskThreads"
AC_DEFINE([HAVE_DISKIO_MODULE_DISKTHREADS],1,[DiskThreads Disk I/O module is built])
],[
AC_MSG_NOTICE([Native pthreads support disabled. DiskThreads module automaticaly disabled.])
SQUID_STATE_ROLLBACK([diskthreads_state])
squid_disk_module_candidates_DiskThreads=no
])
],
[IpcIo],[
AS_IF([test "x$ac_cv_search_shm_open" = "xno"],[
AC_MSG_NOTICE([DiskIO IpcIo module requires shared memory support])
squid_disk_module_candidates_IpcIo=no
],[
AC_MSG_NOTICE([Enabling IpcIo DiskIO module])
DISK_MODULES="$DISK_MODULES IpcIo"
AC_DEFINE([HAVE_DISKIO_MODULE_IPCIO],1,[IpcIo Disk I/O module is built])
])
],
[Mmapped],[
dnl TODO: use availability of sys/mman.h and/or mmap to define
dnl OR support windows mmap functions
AS_IF([test "x$squid_host_os" = "xmingw"],[
AC_MSG_NOTICE([Mmapped DiskIO is not available on Mingw])
squid_disk_module_candidates_Mmapped=no
],[
AC_MSG_NOTICE([Enabling Mmapped DiskIO module])
DISK_MODULES="$DISK_MODULES Mmapped"
AC_DEFINE([HAVE_DISKIO_MODULE_MMAPPED],1,[Mmapped Disk I/O module is built])
])
],
[
AC_MSG_NOTICE([Enabling $module DiskIO module])
DISK_LIBS="$DISK_LIBS lib${module}.la"
DISK_MODULES="$DISK_MODULES ${module}"
])
done
AC_MSG_NOTICE([IO Modules built: $DISK_MODULES])
AC_SUBST(DISK_MODULES)
AC_SUBST(DISK_LIBS)
AM_CONDITIONAL(ENABLE_DISKIO_AIO, test "x$squid_disk_module_candidates_AIO" = "xyes")
AC_SUBST(AIOLIB)
AM_CONDITIONAL(ENABLE_WIN32_AIO, test "x$squid_disk_module_candidates_AIO" = "xyes" -a "x$ENABLE_WIN32_AIO" = "x1")
AM_CONDITIONAL(ENABLE_DISKIO_BLOCKING, test "x$squid_disk_module_candidates_Blocking" = "xyes")
AM_CONDITIONAL(ENABLE_DISKIO_DISKDAEMON, test "x$squid_disk_module_candidates_DiskDaemon" = "xyes")
AM_CONDITIONAL(ENABLE_DISKIO_DISKTHREADS, test "x$squid_disk_module_candidates_DiskThreads" = "xyes")
AC_SUBST(LIBPTHREADS)
AM_CONDITIONAL(ENABLE_WIN32_AIOPS, test "x$squid_disk_module_candidates_DiskThreads" = "xyes" -a "x$ENABLE_WIN32_AIOPS" = "x1")
AM_CONDITIONAL(ENABLE_DISKIO_IPCIO, test "x$squid_disk_module_candidates_IpcIo" = "xyes")
AM_CONDITIONAL(ENABLE_DISKIO_MMAPPED, test "x$squid_disk_module_candidates_Mmapped" = "xyes")
dnl Check what Storage formats are wanted.
dnl This version will error out with a message saying why if a required DiskIO is missing.
AC_ARG_ENABLE([storeio],
AS_HELP_STRING([--enable-storeio="list of modules"],
[Build support for the list of store I/O modules.
The default is only to build the "ufs" module.
See src/fs for a list of available modules, or
Programmers Guide section <not yet written>
for details on how to build your custom store module]), [
AS_CASE(["$enableval"],
[yes],[],
[no|none],[enable_storeio="no"],
[
enable_storeio="yes"
# ufs is really always needed as it has low-level routines
# if it is a dupe it will be cleaned-up later
squid_storeio_module_candidates="$enableval ufs"
])
])
AS_IF([test "x${enable_storeio:=yes}" = "xyes"],[
SQUID_LOOK_FOR_MODULES([$srcdir/src/fs],[squid_storeio_module_candidates])
])
SQUID_CLEANUP_MODULES_LIST([squid_storeio_module_candidates])
SQUID_CHECK_EXISTING_MODULES([$srcdir/src/fs],[squid_storeio_module_candidates])
AC_MSG_NOTICE([Store modules built: ${squid_storeio_module_candidates:-none}])
for fs in ${squid_storeio_module_candidates:-none}; do
AS_CASE([$fs],
[diskd],[
AS_IF([test "x$squid_disk_module_candidates_Blocking" != "xyes" -a \
"x$squid_disk_module_candidates_DiskDaemon" != "xyes"],[
AC_MSG_ERROR([Storage diskd module requires DiskIO module: Blocking or DiskDaemon])
])
],
[aufs],[
AS_IF([test "x$squid_disk_module_candidates_Blocking" != "xyes" -a \
"x$squid_disk_module_candidates_DiskThreads" != "xyes"],[
AC_MSG_ERROR([Storage module aufs requires DiskIO module: Blocking or DiskThreads])
])
],
[rock],[
AS_IF([test "x$squid_disk_module_candidates_IpcIo" != "xyes" -a \
"x$squid_disk_module_candidates_Blocking" != "xyes"],[
AC_MSG_ERROR([Storage module Rock requires DiskIO module: Blocking or IpcIo])
])
squid_do_build_rock=true
],
[ufs],[
AS_IF([test "x$squid_disk_module_candidates_Blocking" != "xyes"],[
AC_MSG_ERROR([Storage module ufs requires DiskIO module: Blocking])
])
squid_do_build_ufs=true
]
)
done
AM_CONDITIONAL(ENABLE_FS_UFS, test "x$squid_do_build_ufs" = "xtrue")
AM_CONDITIONAL(ENABLE_FS_ROCK, test "x$squid_do_build_rock" = "xtrue")
dnl hack: need to define those even if not used in the build system to
dnl make sure that global FS objects are linked to the squid binary.
AH_TEMPLATE(HAVE_FS_UFS, "Define to 1 if ufs filesystem module is build")
AH_TEMPLATE(HAVE_FS_AUFS, "Define to 1 if aufs filesystem module is build")
AH_TEMPLATE(HAVE_FS_DISKD, "Define to 1 if diskd filesystem module is build")
AH_TEMPLATE(HAVE_FS_ROCK, "Define to 1 if rock filesystem module is build")
dnl got final squid_storeio_module_candidates, build library lists
dnl This list will not be needed when each fs library has its own Makefile
STORE_LIBS_TO_BUILD=
dnl File system libraries to link executables with.
dnl These are the same as STORE_LIBS_TO_BUILD, but with a path
STORE_LIBS_TO_ADD=
for fs in $squid_storeio_module_candidates; do
STORE_LIBS_TO_BUILD="$STORE_LIBS_TO_BUILD lib${fs}.la"
STORE_LIBS_TO_ADD="$STORE_LIBS_TO_ADD fs/lib${fs}.la"
SQUID_TOUPPER_VAR_CONTENTS([fs])
AC_DEFINE_UNQUOTED(HAVE_FS_${fs}, 1)
done
AC_SUBST(STORE_LIBS_TO_BUILD)
AC_SUBST(STORE_LIBS_TO_ADD)
AC_SUBST(STORE_TESTS)
dnl At lest one removal policy is always needed.
dnl 'lru' removal policy is currently hard-coded by name for tests
dnl so we must set it as default.
REPL_POLICIES="lru"
AC_ARG_ENABLE(removal-policies,
AS_HELP_STRING([--enable-removal-policies="list of policies"],
[Build support for the list of removal policies.
The default is only to build the "lru" module.
See src/repl for a list of available modules, or
Programmers Guide section 9.9 for details on how
to build your custom policy]), [
AS_CASE(["$enableval"],
[yes],[ SQUID_LOOK_FOR_MODULES([$srcdir/src/repl],[REPL_POLICIES]) ],
[no],[],
[ REPL_POLICIES="$enableval" ]
)
])
SQUID_CLEANUP_MODULES_LIST([REPL_POLICIES])
SQUID_CHECK_EXISTING_MODULES([$srcdir/src/repl],[REPL_POLICIES])
AC_MSG_NOTICE([Removal policies to build: $REPL_POLICIES])
REPL_OBJS="repl/lib`echo \"$REPL_POLICIES\" | sed -e 's% %.a repl/lib%g'`.a"
REPL_LIBS=`echo "$REPL_OBJS" | sed -e 's%repl/%%g'`
AC_SUBST(REPL_POLICIES)
AC_SUBST(REPL_OBJS)
AC_SUBST(REPL_LIBS)
AM_CONDITIONAL(ENABLE_PINGER, false)
AC_ARG_ENABLE(icmp,
AS_HELP_STRING([--enable-icmp],[Enable ICMP pinging and Network Measurement]),[
AS_IF([test "x$enableval" = "xyes"],[
AC_MSG_NOTICE([ICMP enabled])
AC_DEFINE(USE_ICMP,1,[Define to use Squid ICMP and Network Measurement features (highly recommended!)])
AM_CONDITIONAL(ENABLE_PINGER, true)
])
])
AM_CONDITIONAL(ENABLE_DELAY_POOLS, false)
AC_ARG_ENABLE(delay-pools,
AS_HELP_STRING([--enable-delay-pools],[Enable delay pools to limit bandwidth usage]),[
AS_IF([test "x$enableval" = "xyes"],[
AC_MSG_NOTICE([Delay pools enabled])
AC_DEFINE([USE_DELAY_POOLS],1,[Traffic management via "delay pools".])
AM_CONDITIONAL(ENABLE_DELAY_POOLS, true)
])
])
dnl disable generic/common adaptation support by default
squid_opt_use_adaptation=no
AC_ARG_ENABLE(icap-client,
AS_HELP_STRING([--disable-icap-client],[Disable the ICAP client.]),[
SQUID_YESNO([$enableval],[--enable-icap-client])
])
SQUID_DEFINE_BOOL(ICAP_CLIENT,${enable_icap_client:=yes}, [Enable ICAP client features in Squid])
AS_IF(test "x$enable_icap_client" != "xno", squid_opt_use_adaptation="yes")
AM_CONDITIONAL(ENABLE_ICAP_CLIENT, test "x$enable_icap_client" != "xno")
AC_ARG_ENABLE(ecap,
AS_HELP_STRING([--enable-ecap],[support loadable content adaptation modules]),[
SQUID_YESNO([$enableval],[--enable-ecap])],[
enable_ecap="no"
])
dnl Perform configuration consistency checks for eCAP
AS_IF([test "x$enable_ecap" != "xno"],[
AS_IF([test "x$enable_shared" != "xyes"],[
AC_MSG_ERROR([eCAP support requires loadable modules (i.e. --enable-shared or equivalent).])
])
AS_IF([test -n "$PKG_CONFIG"],[
dnl eCAP support requires libecap.
dnl This Squid supports libecap v1.0.x.
dnl Use EXT_ prefix to distinguish external libecap (that we check for
dnl here) from our own convenience ecap library in Makefiles.
PKG_CHECK_MODULES([EXT_LIBECAP],[libecap >= 1.0 libecap < 1.1])
],[
AC_MSG_NOTICE([eCAP support requires pkg-config to verify the correct library version. Trouble may follow.])
])
SQUID_STATE_SAVE(squid_ecap_state)
CPPFLAGS="$EXT_LIBECAP_CFLAGS $CPPFLAGS"
LIBS="$EXT_LIBECAP_LIBS $LIBS"
AC_CHECK_HEADERS([ \
libecap/adapter/service.h \
libecap/adapter/xaction.h \
libecap/common/area.h \
libecap/common/body.h \
libecap/common/delay.h \
libecap/common/forward.h \
libecap/common/header.h \
libecap/common/memory.h \
libecap/common/message.h \
libecap/common/name.h \
libecap/common/named_values.h \
libecap/common/names.h \
libecap/common/options.h \
libecap/common/registry.h \
libecap/common/version.h \
libecap/host/host.h \
libecap/host/xaction.h \
],,,[
/* libecap-1.0.1 headers do not build without autoconf.h magic */
#define HAVE_CONFIG_H
/* libecap/common/delay.h fails to include <string> */
#include <string>
])
AC_MSG_CHECKING([whether -lecap will link])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#if HAVE_LIBECAP_COMMON_NAMES_H
#include <libecap/common/names.h>
#endif
]],[[
const libecap::Name test("test", libecap::Name::NextId());
]])
],[
AC_MSG_RESULT(yes)
squid_opt_use_adaptation=yes
],[
AC_MSG_RESULT(no)
AS_IF([test "x$enable_ecap" = "xyes"],[
AC_MSG_ERROR([eCAP library will not link.
You may need to rebuild libecap using the same version of GCC as Squid.
There have been breaking ABI changes in the libstdc++ STL with GCC 5.])
],[
AC_MSG_NOTICE([eCAP library will not link.
You may need to rebuild libecap using the same version of GCC as Squid.
There have been breaking ABI changes in the libstdc++ STL with GCC 5.])
enable_ecap="no"
])
])
SQUID_STATE_ROLLBACK(squid_ecap_state)
])
SQUID_DEFINE_BOOL(USE_ECAP,${enable_ecap:=no},[Whether to use eCAP support])
AM_CONDITIONAL(ENABLE_ECAP, test "x$enable_ecap" = "xyes")
dnl enable adaptation if requested by specific adaptation mechanisms
ADAPTATION_LIBS=""
AS_IF([test "x$squid_opt_use_adaptation" = "xyes"],[ADAPTATION_LIBS="adaptation/libadaptation.la"])
SQUID_DEFINE_BOOL(USE_ADAPTATION,${squid_opt_use_adaptation:=no}, [common adaptation support])
AM_CONDITIONAL(ENABLE_ADAPTATION, test "x$squid_opt_use_adaptation" = "xyes")
AC_SUBST(ADAPTATION_LIBS)
AS_IF([test "x$squid_host_os" = "xmingw"],[enable_wccp=no])
AC_ARG_ENABLE(wccp,
AS_HELP_STRING([--disable-wccp],[Disable Web Cache Coordination Protocol]),[
SQUID_YESNO([$enableval],[--enable-wccp])
])
SQUID_DEFINE_BOOL(USE_WCCP, ${enable_wccp:=yes}, [Define to enable WCCP])
AC_MSG_NOTICE([Web Cache Coordination Protocol enabled: $enable_wccp])
AS_IF([test "x$squid_host_os" = "xmingw"],[enable_wccpv2=no])
AC_ARG_ENABLE(wccpv2,
AS_HELP_STRING([--disable-wccpv2],
[Disable Web Cache Coordination V2 Protocol]), [
SQUID_YESNO([$enableval],[--enable-wccpv2])
])
SQUID_DEFINE_BOOL(USE_WCCPv2,${enable_wccpv2:=yes},
[Define to enable WCCP V2])
AC_MSG_NOTICE([Web Cache Coordination V2 Protocol enabled: $enable_wccpv2])
AC_ARG_ENABLE(snmp,
AS_HELP_STRING([--disable-snmp],[Disable SNMP monitoring support]), [
SQUID_YESNO([$enableval],[--enable-snmp])
])
SQUID_DEFINE_BOOL(SQUID_SNMP,${enable_snmp:=yes},
[Define to enable SNMP monitoring of Squid])
AM_CONDITIONAL(ENABLE_SNMP, [test "x$enable_snmp" = "xyes"])
AS_IF([test "x$enable_snmp" = "xyes"],[SNMPLIB="../lib/snmplib/libsnmplib.la"])
AC_MSG_NOTICE([SNMP support enabled: $enable_snmp])
AC_SUBST(SNMPLIB)
AC_ARG_ENABLE(eui,
AS_HELP_STRING([--disable-eui],
[Disable use of ARP / MAC/ EUI (ether address)]), [
SQUID_YESNO([$enableval],[--enable-eui])
])
AS_IF([test "x${enable_eui:=yes}" = "xyes"],[
SQUID_STATE_SAVE(LIBEUI)
# GLIBC 2.30 deprecates sysctl.h. Test with the same flags that (may) break includes later.
CFLAGS=$SQUID_CFLAGS
CXXFLAGS=$SQUID_CXXFLAGS
AS_CASE(["$squid_host_os"],
[linux|solaris|freebsd|openbsd|netbsd|cygwin],[:],
[mingw],[EUILIB="-liphlpapi"],
[AC_MSG_WARN([EUI support probably will not work on host $host.])]
)
# iphlpapi.h check delayed after winsock2.h
AC_CHECK_HEADERS( \
windows.h \
sys/sockio.h \
sys/param.h,
[], [], [[
#if HAVE_WINDOWS_H
include <windows.h>
#endif
]]
)
AC_CHECK_HEADERS( \
net/if_arp.h \
net/route.h,
[], [], [[
#include <sys/types.h>
#include <sys/socket.h>
]])
# OpenBSD, FreeBSD and NetBSD requires sys/param.h to be included before sysctl.h and net/if_dl.h
AC_CHECK_HEADERS( \
net/if_dl.h \
sys/sysctl.h,
[], [], [[
#if HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
]])
SQUID_STATE_ROLLBACK(LIBEUI)
])
AC_SUBST(EUILIB)
AC_MSG_NOTICE([EUI (MAC address) controls enabled: $enable_eui])
SQUID_DEFINE_BOOL(USE_SQUID_EUI,$enable_eui,
[Define this to include code which lets you use ethernet addresses. This code uses API initially defined in 4.4-BSD.])
AM_CONDITIONAL(ENABLE_EUI, [test "x$enable_eui" = "xyes" ])
AC_ARG_ENABLE(htcp,