mirror of
https://github.com/NixOS/nix.git
synced 2024-11-27 09:12:40 +00:00
ef7c2d8b3e
This reverts commit 80ebd60e7c. The
reason why we cleared CFLAGS/CXXFLAGS was because otherwise we get a
default value of -O2, which interferes with the defaults set in the
Makefile. (E.g. "make OPTIMIZE=0" should not pass -O2.)
327 lines
8.9 KiB
Plaintext
327 lines
8.9 KiB
Plaintext
AC_INIT(nix, m4_esyscmd([bash -c "echo -n $(cat ./version)$VERSION_SUFFIX"]))
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AC_CONFIG_SRCDIR(README)
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AC_CONFIG_AUX_DIR(config)
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AC_PROG_SED
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# Construct a Nix system name (like "i686-linux").
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AC_CANONICAL_HOST
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AC_MSG_CHECKING([for the canonical Nix system name])
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AC_ARG_WITH(system, AC_HELP_STRING([--with-system=SYSTEM],
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[Platform identifier (e.g., `i686-linux').]),
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[system=$withval],
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[case "$host_cpu" in
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i*86)
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machine_name="i686";;
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amd64)
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machine_name="x86_64";;
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*)
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machine_name="$host_cpu";;
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esac
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case "$host_os" in
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linux-gnu*)
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# For backward compatibility, strip the `-gnu' part.
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system="$machine_name-linux";;
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*)
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# Strip the version number from names such as `gnu0.3',
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# `darwin10.2.0', etc.
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system="$machine_name-`echo $host_os | "$SED" -e's/@<:@0-9.@:>@*$//g'`";;
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esac])
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sys_name=$(uname -s | tr 'A-Z ' 'a-z_')
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case $sys_name in
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cygwin*)
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sys_name=cygwin
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;;
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esac
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AC_MSG_RESULT($system)
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AC_SUBST(system)
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AC_DEFINE_UNQUOTED(SYSTEM, ["$system"], [platform identifier (`cpu-os')])
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# State should be stored in /nix/var, unless the user overrides it explicitly.
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test "$localstatedir" = '${prefix}/var' && localstatedir=/nix/var
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# Solaris-specific stuff.
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AC_STRUCT_DIRENT_D_TYPE
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if test "$sys_name" = sunos; then
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# Solaris requires -lsocket -lnsl for network functions
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LIBS="-lsocket -lnsl $LIBS"
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fi
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CFLAGS=
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CXXFLAGS=
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AC_PROG_CC
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AC_PROG_CXX
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# Use 64-bit file system calls so that we can support files > 2 GiB.
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AC_SYS_LARGEFILE
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# Check for pubsetbuf.
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AC_MSG_CHECKING([for pubsetbuf])
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AC_LANG_PUSH(C++)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <iostream>
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using namespace std;
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static char buf[1024];]],
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[[cerr.rdbuf()->pubsetbuf(buf, sizeof(buf));]])],
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[AC_MSG_RESULT(yes) AC_DEFINE(HAVE_PUBSETBUF, 1, [Whether pubsetbuf is available.])],
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AC_MSG_RESULT(no))
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AC_LANG_POP(C++)
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AC_CHECK_FUNCS([statvfs])
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# Check for lutimes, optionally used for changing the mtime of
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# symlinks.
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AC_CHECK_FUNCS([lutimes])
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# Check whether the store optimiser can optimise symlinks.
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AC_MSG_CHECKING([whether it is possible to create a link to a symlink])
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ln -s bla tmp_link
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if ln tmp_link tmp_link2 2> /dev/null; then
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AC_MSG_RESULT(yes)
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AC_DEFINE(CAN_LINK_SYMLINK, 1, [Whether link() works on symlinks.])
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else
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AC_MSG_RESULT(no)
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fi
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rm -f tmp_link tmp_link2
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# Check for <locale>.
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AC_LANG_PUSH(C++)
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AC_CHECK_HEADERS([locale])
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AC_LANG_POP(C++)
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# Check for <err.h>.
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AC_CHECK_HEADER([err.h], [], [bsddiff_compat_include="-Icompat-include"])
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AC_SUBST([bsddiff_compat_include])
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AC_DEFUN([NEED_PROG],
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[
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AC_PATH_PROG($1, $2)
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if test -z "$$1"; then
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AC_MSG_ERROR([$2 is required])
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fi
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])
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NEED_PROG(curl, curl)
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NEED_PROG(bash, bash)
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NEED_PROG(patch, patch)
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AC_PATH_PROG(xmllint, xmllint, false)
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AC_PATH_PROG(xsltproc, xsltproc, false)
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AC_PATH_PROG(flex, flex, false)
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AC_PATH_PROG(bison, bison, false)
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NEED_PROG(perl, perl)
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NEED_PROG(sed, sed)
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NEED_PROG(tar, tar)
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NEED_PROG(bzip2, bzip2)
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NEED_PROG(gzip, gzip)
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NEED_PROG(xz, xz)
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AC_PATH_PROG(dot, dot)
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AC_PATH_PROG(dblatex, dblatex)
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AC_PATH_PROG(pv, pv, pv)
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# Test that Perl has the open/fork feature (Perl 5.8.0 and beyond).
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AC_MSG_CHECKING([whether Perl is recent enough])
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if ! $perl -e 'open(FOO, "-|", "true"); while (<FOO>) { print; }; close FOO or die;'; then
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AC_MSG_RESULT(no)
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AC_MSG_ERROR([Your Perl version is too old. Nix requires Perl 5.8.0 or newer.])
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fi
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AC_MSG_RESULT(yes)
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# Figure out where to install Perl modules.
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AC_MSG_CHECKING([for the Perl installation prefix])
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perlversion=$($perl -e 'use Config; print $Config{version};')
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perlarchname=$($perl -e 'use Config; print $Config{archname};')
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AC_SUBST(perllibdir, [${libdir}/perl5/site_perl/$perlversion/$perlarchname])
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AC_MSG_RESULT($perllibdir)
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NEED_PROG(cat, cat)
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NEED_PROG(tr, tr)
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AC_ARG_WITH(coreutils-bin, AC_HELP_STRING([--with-coreutils-bin=PATH],
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[path of cat, mkdir, etc.]),
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coreutils=$withval, coreutils=$(dirname $cat))
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AC_SUBST(coreutils)
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AC_ARG_WITH(store-dir, AC_HELP_STRING([--with-store-dir=PATH],
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[path of the Nix store (defaults to /nix/store)]),
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storedir=$withval, storedir='/nix/store')
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AC_SUBST(storedir)
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# Look for OpenSSL, a required dependency.
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AC_PATH_PROG(openssl, openssl, openssl) # if not found, call openssl in $PATH
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AC_SUBST(openssl)
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AC_DEFINE_UNQUOTED(OPENSSL_PATH, ["$openssl"], [Path of the OpenSSL binary])
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PKG_CHECK_MODULES([OPENSSL], [libcrypto], [CXXFLAGS="$OPENSSL_CFLAGS $CXXFLAGS"])
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# Look for libbz2, a required dependency.
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AC_CHECK_LIB([bz2], [BZ2_bzWriteOpen], [true],
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[AC_MSG_ERROR([Nix requires libbz2, which is part of bzip2. See http://www.bzip.org/.])])
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AC_CHECK_HEADERS([bzlib.h], [true],
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[AC_MSG_ERROR([Nix requires libbz2, which is part of bzip2. See http://www.bzip.org/.])])
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# Look for SQLite, a required dependency.
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PKG_CHECK_MODULES([SQLITE3], [sqlite3 >= 3.6.19], [CXXFLAGS="$SQLITE3_CFLAGS $CXXFLAGS"])
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# Look for libcurl, a required dependency.
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PKG_CHECK_MODULES([LIBCURL], [libcurl], [CXXFLAGS="$LIBCURL_CFLAGS $CXXFLAGS"])
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# Look for libsodium, an optional dependency.
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PKG_CHECK_MODULES([SODIUM], [libsodium],
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[AC_DEFINE([HAVE_SODIUM], [1], [Whether to use libsodium for cryptography.])
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CXXFLAGS="$SODIUM_CFLAGS $CXXFLAGS"
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have_sodium=1], [have_sodium=])
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AC_SUBST(HAVE_SODIUM, [$have_sodium])
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# Look for liblzma, a required dependency.
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PKG_CHECK_MODULES([LIBLZMA], [liblzma], [CXXFLAGS="$LIBLZMA_CFLAGS $CXXFLAGS"])
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# Whether to use the Boehm garbage collector.
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AC_ARG_ENABLE(gc, AC_HELP_STRING([--enable-gc],
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[enable garbage collection in the Nix expression evaluator (requires Boehm GC) [default=no]]),
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gc=$enableval, gc=no)
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if test "$gc" = yes; then
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PKG_CHECK_MODULES([BDW_GC], [bdw-gc])
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CXXFLAGS="$BDW_GC_CFLAGS $CXXFLAGS"
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AC_DEFINE(HAVE_BOEHMGC, 1, [Whether to use the Boehm garbage collector.])
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fi
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# Check for the required Perl dependencies (DBI, DBD::SQLite and WWW::Curl).
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perlFlags="-I$perllibdir"
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AC_ARG_WITH(dbi, AC_HELP_STRING([--with-dbi=PATH],
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[prefix of the Perl DBI library]),
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perlFlags="$perlFlags -I$withval")
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AC_ARG_WITH(dbd-sqlite, AC_HELP_STRING([--with-dbd-sqlite=PATH],
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[prefix of the Perl DBD::SQLite library]),
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perlFlags="$perlFlags -I$withval")
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AC_ARG_WITH(www-curl, AC_HELP_STRING([--with-www-curl=PATH],
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[prefix of the Perl WWW::Curl library]),
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perlFlags="$perlFlags -I$withval")
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AC_MSG_CHECKING([whether DBD::SQLite works])
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if ! $perl $perlFlags -e 'use DBI; use DBD::SQLite;' 2>&5; then
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AC_MSG_RESULT(no)
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AC_MSG_FAILURE([The Perl modules DBI and/or DBD::SQLite are missing.])
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fi
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AC_MSG_RESULT(yes)
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AC_MSG_CHECKING([whether WWW::Curl works])
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if ! $perl $perlFlags -e 'use WWW::Curl;' 2>&5; then
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AC_MSG_RESULT(no)
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AC_MSG_FAILURE([The Perl module WWW::Curl is missing.])
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fi
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AC_MSG_RESULT(yes)
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AC_SUBST(perlFlags)
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# Check for otool, an optional dependency on Darwin.
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AC_PATH_PROG(otool, otool)
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AC_MSG_CHECKING([that otool works])
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case $host_os in
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darwin*)
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if test -z "$otool" || ! $otool --version 2>/dev/null; then
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AC_MSG_RESULT(no)
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AC_MSG_ERROR([Can't get version from otool; do you need to install developer tools?])
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fi
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AC_MSG_RESULT(yes)
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;;
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*)
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AC_MSG_RESULT(not needed)
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;;
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esac
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# Whether to build the Perl bindings
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AC_MSG_CHECKING([whether to build the Perl bindings])
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AC_ARG_ENABLE(perl-bindings, AC_HELP_STRING([--enable-perl-bindings],
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[whether to build the Perl bindings (recommended) [default=yes]]),
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perlbindings=$enableval, perlbindings=yes)
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if test "$enable_shared" = no; then
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# Perl bindings require shared libraries.
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perlbindings=no
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fi
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AC_SUBST(perlbindings)
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AC_MSG_RESULT($perlbindings)
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AC_ARG_ENABLE(init-state, AC_HELP_STRING([--disable-init-state],
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[do not initialise DB etc. in `make install']),
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init_state=$enableval, init_state=yes)
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#AM_CONDITIONAL(INIT_STATE, test "$init_state" = "yes")
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# Setuid installations.
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AC_CHECK_FUNCS([setresuid setreuid lchown])
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# Nice to have, but not essential.
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AC_CHECK_FUNCS([strsignal posix_fallocate nanosleep sysconf])
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# This is needed if bzip2 is a static library, and the Nix libraries
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# are dynamic.
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if test "$(uname)" = "Darwin"; then
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LDFLAGS="-all_load $LDFLAGS"
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fi
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# Figure out the extension of dynamic libraries.
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eval dynlib_suffix=$shrext_cmds
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AC_SUBST(dynlib_suffix)
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# Do we have GNU tar?
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AC_MSG_CHECKING([if you have a recent GNU tar])
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if $tar --version 2> /dev/null | grep -q GNU && tar cvf /dev/null --warning=no-timestamp ./config.log > /dev/null; then
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AC_MSG_RESULT(yes)
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tarFlags="--warning=no-timestamp"
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else
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AC_MSG_RESULT(no)
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fi
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AC_SUBST(tarFlags)
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# Expand all variables in config.status.
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test "$prefix" = NONE && prefix=$ac_default_prefix
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test "$exec_prefix" = NONE && exec_prefix='${prefix}'
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for name in $ac_subst_vars; do
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declare $name="$(eval echo "${!name}")"
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declare $name="$(eval echo "${!name}")"
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declare $name="$(eval echo "${!name}")"
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done
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rm -f Makefile.config
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AC_CONFIG_HEADER([config.h])
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AC_CONFIG_FILES([])
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AC_OUTPUT
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