AC_INIT(nix-perl, m4_esyscmd([bash -c "echo -n $(cat ../version)$VERSION_SUFFIX"])) AC_CONFIG_SRCDIR(MANIFEST) AC_CONFIG_AUX_DIR(../config) CFLAGS= CXXFLAGS= AC_PROG_CC AC_PROG_CXX AX_CXX_COMPILE_STDCXX_11 # Use 64-bit file system calls so that we can support files > 2 GiB. AC_SYS_LARGEFILE AC_DEFUN([NEED_PROG], [ AC_PATH_PROG($1, $2) if test -z "$$1"; then AC_MSG_ERROR([$2 is required]) fi ]) NEED_PROG(perl, perl) NEED_PROG(curl, curl) NEED_PROG(bzip2, bzip2) NEED_PROG(xz, xz) # 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($perllibdir) # Look for libsodium, an optional dependency. PKG_CHECK_MODULES([SODIUM], [libsodium], [AC_DEFINE([HAVE_SODIUM], [1], [Whether to use libsodium for cryptography.]) CXXFLAGS="$SODIUM_CFLAGS $CXXFLAGS" have_sodium=1], [have_sodium=]) AC_SUBST(HAVE_SODIUM, [$have_sodium]) # Check for the required Perl dependencies (DBI and DBD::SQLite). 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_MSG_CHECKING([whether DBD::SQLite works]) if ! $perl $perlFlags -e 'use DBI; use DBD::SQLite;' 2>&5; then AC_MSG_RESULT(no) AC_MSG_FAILURE([The Perl modules DBI and/or DBD::SQLite are missing.]) fi AC_MSG_RESULT(yes) AC_SUBST(perlFlags) PKG_CHECK_MODULES([NIX], [nix-store]) NEED_PROG([NIX_INSTANTIATE_PROGRAM], [nix-instantiate]) # Get nix configure values nixbindir=$("$NIX_INSTANTIATE_PROGRAM" --eval '<nix/config.nix>' -A nixBinDir | tr -d \") nixlibexecdir=$("$NIX_INSTANTIATE_PROGRAM" --eval '<nix/config.nix>' -A nixLibexecDir | tr -d \") nixlocalstatedir=$("$NIX_INSTANTIATE_PROGRAM" --eval '<nix/config.nix>' -A nixLocalstateDir | tr -d \") nixsysconfdir=$("$NIX_INSTANTIATE_PROGRAM" --eval '<nix/config.nix>' -A nixSysconfDir | tr -d \") nixstoredir=$("$NIX_INSTANTIATE_PROGRAM" --eval '<nix/config.nix>' -A nixStoreDir | tr -d \") AC_SUBST(nixbindir) AC_SUBST(nixlibexecdir) AC_SUBST(nixlocalstatedir) AC_SUBST(nixsysconfdir) AC_SUBST(nixstoredir) # Expand all variables in config.status. test "$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 rm -f Makefile.config ln -sfn ../mk mk AC_CONFIG_FILES([]) AC_OUTPUT