diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 339 |
1 files changed, 339 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 000000000000..043aed5b369a --- /dev/null +++ b/configure.ac @@ -0,0 +1,339 @@ +AC_INIT(nix, m4_esyscmd([bash -c "echo -n $(cat ./version)$VERSION_SUFFIX"])) +AC_CONFIG_SRCDIR(README) +AC_CONFIG_AUX_DIR(config) + +AC_PROG_SED + +# Construct a Nix system name (like "i686-linux"). +AC_CANONICAL_HOST +AC_MSG_CHECKING([for the canonical Nix system name]) + +AC_ARG_WITH(system, AC_HELP_STRING([--with-system=SYSTEM], + [Platform identifier (e.g., `i686-linux').]), + [system=$withval], + [case "$host_cpu" in + i*86) + machine_name="i686";; + amd64) + machine_name="x86_64";; + *) + machine_name="$host_cpu";; + esac + + case "$host_os" in + linux-gnu*) + # For backward compatibility, strip the `-gnu' part. + system="$machine_name-linux";; + *) + # Strip the version number from names such as `gnu0.3', + # `darwin10.2.0', etc. + system="$machine_name-`echo $host_os | "$SED" -e's/@<:@0-9.@:>@*$//g'`";; + esac]) + +sys_name=$(uname -s | tr 'A-Z ' 'a-z_') + +case $sys_name in + cygwin*) + sys_name=cygwin + ;; +esac + +AC_MSG_RESULT($system) +AC_SUBST(system) +AC_DEFINE_UNQUOTED(SYSTEM, ["$system"], [platform identifier (`cpu-os')]) + + +# State should be stored in /nix/var, unless the user overrides it explicitly. +test "$localstatedir" = '${prefix}/var' && localstatedir=/nix/var + + +# Solaris-specific stuff. +if test "$sys_name" = sunos; then + # Solaris requires -lsocket -lnsl for network functions + LIBS="-lsocket -lnsl $LIBS" +fi + + +CFLAGS=${CFLAGS:--g -O3 -Wall} +CXXFLAGS=${CXXFLAGS:--g -O3 -Wall} +AC_PROG_CC +AC_PROG_CXX + + +# Use 64-bit file system calls so that we can support files > 2 GiB. +AC_SYS_LARGEFILE + + +# Check for pubsetbuf. +AC_MSG_CHECKING([for pubsetbuf]) +AC_LANG_PUSH(C++) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <iostream> +using namespace std; +static char buf[1024];]], + [[cerr.rdbuf()->pubsetbuf(buf, sizeof(buf));]])], + [AC_MSG_RESULT(yes) AC_DEFINE(HAVE_PUBSETBUF, 1, [Whether pubsetbuf is available.])], + AC_MSG_RESULT(no)) +AC_LANG_POP(C++) + + +# Check for chroot support (requires chroot() and bind mounts). +AC_CHECK_FUNCS([chroot]) +AC_CHECK_FUNCS([unshare]) +AC_CHECK_FUNCS([statvfs]) +AC_CHECK_HEADERS([sched.h]) +AC_CHECK_HEADERS([sys/param.h]) +AC_CHECK_HEADERS([sys/mount.h], [], [], +[#ifdef HAVE_SYS_PARAM_H +# include <sys/param.h> +# endif +]) + + +# Check for vfork. +#AC_FUNC_FORK() + + +# Check for lutimes, optionally used for changing the mtime of +# symlinks. +AC_CHECK_FUNCS([lutimes]) + + +# Check for sched_setaffinity. +AC_CHECK_FUNCS([sched_setaffinity]) + + +# Check whether the store optimiser can optimise symlinks. +AC_MSG_CHECKING([whether it is possible to create a link to a symlink]) +ln -s bla tmp_link +if ln tmp_link tmp_link2 2> /dev/null; then + AC_MSG_RESULT(yes) + AC_DEFINE(CAN_LINK_SYMLINK, 1, [Whether link() works on symlinks.]) +else + AC_MSG_RESULT(no) +fi +rm -f tmp_link tmp_link2 + + +# Check for <locale>. +AC_LANG_PUSH(C++) +AC_CHECK_HEADERS([locale]) +AC_LANG_POP(C++) + + +# Check for <err.h>. +AC_CHECK_HEADER([err.h], [], [bsddiff_compat_include="-Icompat-include"]) +AC_SUBST([bsddiff_compat_include]) + + +# Check whether we have the personality() syscall, which allows us to +# do i686-linux builds on x86_64-linux machines. +AC_CHECK_HEADERS([sys/personality.h]) + + +# Check for <linux/fs.h> (for immutable file support). +AC_CHECK_HEADERS([linux/fs.h]) + + +# Check for tr1/unordered_set. +AC_LANG_PUSH(C++) +AC_CHECK_HEADERS([tr1/unordered_set]) +AC_LANG_POP(C++) + + +AC_DEFUN([NEED_PROG], +[ +AC_PATH_PROG($1, $2) +if test -z "$$1"; then + AC_MSG_ERROR([$2 is required]) +fi +]) + +NEED_PROG(curl, curl) +NEED_PROG(bash, bash) +NEED_PROG(patch, patch) +AC_PATH_PROG(xmllint, xmllint, false) +AC_PATH_PROG(xsltproc, xsltproc, false) +AC_PATH_PROG(w3m, w3m, false) +AC_PATH_PROG(flex, flex, false) +AC_PATH_PROG(bison, bison, false) +NEED_PROG(perl, perl) +NEED_PROG(sed, sed) +NEED_PROG(tar, tar) +NEED_PROG(bzip2, bzip2) +NEED_PROG(gzip, gzip) +NEED_PROG(xz, xz) +AC_PATH_PROG(dot, dot) +AC_PATH_PROG(dblatex, dblatex) +AC_PATH_PROG(pv, pv, pv) + + +# Test that Perl has the open/fork feature (Perl 5.8.0 and beyond). +AC_MSG_CHECKING([whether Perl is recent enough]) +if ! $perl -e 'open(FOO, "-|", "true"); while (<FOO>) { print; }; close FOO or die;'; then + AC_MSG_RESULT(no) + AC_MSG_ERROR([Your Perl version is too old. Nix requires Perl 5.8.0 or newer.]) +fi +AC_MSG_RESULT(yes) + + +# Figure out where to install Perl modules. +AC_MSG_CHECKING([for the Perl installation prefix]) +perlversion=$($perl -e 'use Config; print $Config{version};') +perlarchname=$($perl -e 'use Config; print $Config{archname};') +AC_SUBST(perllibdir, [${libdir}/perl5/site_perl/$perlversion/$perlarchname]) +AC_MSG_RESULT($perllibdir) + + +NEED_PROG(cat, cat) +NEED_PROG(tr, tr) +AC_ARG_WITH(coreutils-bin, AC_HELP_STRING([--with-coreutils-bin=PATH], + [path of cat, mkdir, etc.]), + coreutils=$withval, coreutils=$(dirname $cat)) +AC_SUBST(coreutils) + + +AC_ARG_WITH(docbook-rng, AC_HELP_STRING([--with-docbook-rng=PATH], + [path of the DocBook RelaxNG schema]), + docbookrng=$withval, docbookrng=/docbook-rng-missing) +AC_SUBST(docbookrng) + +AC_ARG_WITH(docbook-xsl, AC_HELP_STRING([--with-docbook-xsl=PATH], + [path of the DocBook XSL stylesheets]), + docbookxsl=$withval, docbookxsl=/docbook-xsl-missing) +AC_SUBST(docbookxsl) + + +AC_ARG_WITH(store-dir, AC_HELP_STRING([--with-store-dir=PATH], + [path of the Nix store (defaults to /nix/store)]), + storedir=$withval, storedir='/nix/store') +AC_SUBST(storedir) + + +# Look for OpenSSL, an optional dependency. +AC_PATH_PROG(openssl, openssl, openssl) # if not found, call openssl in $PATH +AC_SUBST(openssl) +AC_DEFINE_UNQUOTED(OPENSSL_PATH, ["$openssl"], [Path of the OpenSSL binary]) + +PKG_CHECK_MODULES([OPENSSL], [libcrypto], + [AC_DEFINE([HAVE_OPENSSL], [1], [Whether to use OpenSSL.]) + CXXFLAGS="$OPENSSL_CFLAGS $CXXFLAGS" + have_openssl=1], [have_openssl=]) +AC_SUBST(HAVE_OPENSSL, [$have_openssl]) + + +# Look for libbz2, a required dependency. +AC_CHECK_LIB([bz2], [BZ2_bzWriteOpen], [true], + [AC_MSG_ERROR([Nix requires libbz2, which is part of bzip2. See http://www.bzip.org/.])]) +AC_CHECK_HEADERS([bzlib.h], [true], + [AC_MSG_ERROR([Nix requires libbz2, which is part of bzip2. See http://www.bzip.org/.])]) + + +# Look for SQLite, a required dependency. +PKG_CHECK_MODULES([SQLITE3], [sqlite3 >= 3.6.19], [CXXFLAGS="$SQLITE3_CFLAGS $CXXFLAGS"]) + + +# Whether to use the Boehm garbage collector. +AC_ARG_ENABLE(gc, AC_HELP_STRING([--enable-gc], + [enable garbage collection in the Nix expression evaluator (requires Boehm GC) [default=no]]), + gc=$enableval, gc=no) +if test "$gc" = yes; then + PKG_CHECK_MODULES([BDW_GC], [bdw-gc]) + CXXFLAGS="$BDW_GC_CFLAGS $CXXFLAGS" + AC_DEFINE(HAVE_BOEHMGC, 1, [Whether to use the Boehm garbage collector.]) +fi + + +# Check for the required Perl dependencies (DBI, DBD::SQLite and WWW::Curl). +perlFlags="-I$perllibdir" + +AC_ARG_WITH(dbi, AC_HELP_STRING([--with-dbi=PATH], + [prefix of the Perl DBI library]), + perlFlags="$perlFlags -I$withval") + +AC_ARG_WITH(dbd-sqlite, AC_HELP_STRING([--with-dbd-sqlite=PATH], + [prefix of the Perl DBD::SQLite library]), + perlFlags="$perlFlags -I$withval") + +AC_ARG_WITH(www-curl, AC_HELP_STRING([--with-www-curl=PATH], + [prefix of the Perl WWW::Curl library]), + perlFlags="$perlFlags -I$withval") + +AC_MSG_CHECKING([whether DBD::SQLite works]) +if ! $perl $perlFlags -e 'use DBI; use DBD::SQLite;' 2>&5; then + AC_MSG_RESULT(no) + AC_MSG_FAILURE([The Perl modules DBI and/or DBD::SQLite are missing.]) +fi +AC_MSG_RESULT(yes) + +AC_MSG_CHECKING([whether WWW::Curl works]) +if ! $perl $perlFlags -e 'use WWW::Curl;' 2>&5; then + AC_MSG_RESULT(no) + AC_MSG_FAILURE([The Perl module WWW::Curl is missing.]) +fi +AC_MSG_RESULT(yes) + +AC_SUBST(perlFlags) + + +# Whether to build the Perl bindings +AC_MSG_CHECKING([whether to build the Perl bindings]) +AC_ARG_ENABLE(perl-bindings, AC_HELP_STRING([--enable-perl-bindings], + [whether to build the Perl bindings (recommended) [default=yes]]), + perlbindings=$enableval, perlbindings=yes) +if test "$enable_shared" = no; then + # Perl bindings require shared libraries. + perlbindings=no +fi +AC_SUBST(perlbindings) +AC_MSG_RESULT($perlbindings) + + +AC_ARG_ENABLE(init-state, AC_HELP_STRING([--disable-init-state], + [do not initialise DB etc. in `make install']), + init_state=$enableval, init_state=yes) +#AM_CONDITIONAL(INIT_STATE, test "$init_state" = "yes") + + +# Setuid installations. +AC_CHECK_FUNCS([setresuid setreuid lchown]) + + +# Nice to have, but not essential. +AC_CHECK_FUNCS([strsignal posix_fallocate nanosleep sysconf]) + + +# This is needed if bzip2 is a static library, and the Nix libraries +# are dynamic. +if test "$(uname)" = "Darwin"; then + LDFLAGS="-all_load $LDFLAGS" +fi + + +# Figure out the extension of dynamic libraries. +eval dynlib_suffix=$shrext_cmds +AC_SUBST(dynlib_suffix) + + +# Do we have GNU tar? +AC_MSG_CHECKING([if you have a recent GNU tar]) +if $tar --version 2> /dev/null | grep -q GNU && tar cvf /dev/null --warning=no-timestamp ./config.log > /dev/null; then + AC_MSG_RESULT(yes) + tarFlags="--warning=no-timestamp" +else + AC_MSG_RESULT(no) +fi +AC_SUBST(tarFlags) + + +# Expand all variables in config.status. +test "$prefix" = NONE && prefix=$ac_default_prefix +test "$exec_prefix" = NONE && exec_prefix='${prefix}' +for name in $ac_subst_vars; do + declare $name="$(eval echo "${!name}")" + declare $name="$(eval echo "${!name}")" + declare $name="$(eval echo "${!name}")" +done + +AC_CONFIG_HEADER([config.h]) +AC_CONFIG_FILES([]) +AC_OUTPUT |