nix-super/configure.ac
John Ericson 6f3045c2a2 Remove unit tests from old build system
Now that we can run all tests with Meson, we want developers making code
changes to use it.

(Only the manual needs to be built with the build system, and that will
change shortly.)

This reverts commit b0bc2a97bf.
2024-08-14 16:38:00 -04:00

426 lines
15 KiB
Text

AC_INIT([nix],[m4_esyscmd(bash -c "echo -n $(cat ./.version)$VERSION_SUFFIX")])
AC_CONFIG_MACRO_DIRS([m4])
AC_CONFIG_SRCDIR(README.md)
AC_CONFIG_AUX_DIR(config)
AC_PROG_SED
# Construct a Nix system name (like "i686-linux"):
# https://www.gnu.org/software/autoconf/manual/html_node/Canonicalizing.html#index-AC_005fCANONICAL_005fHOST-1
# The inital value is produced by the `config/config.guess` script:
# upstream: https://git.savannah.gnu.org/cgit/config.git/tree/config.guess
# It has the following form, which is not documented anywhere:
# <cpu>-<vendor>-<os>[<version>][-<abi>]
# If `./configure` is passed any of the `--host`, `--build`, `--target` options, the value comes from `config/config.sub` instead:
# upstream: https://git.savannah.gnu.org/cgit/config.git/tree/config.sub
AC_CANONICAL_HOST
AC_MSG_CHECKING([for the canonical Nix system name])
AC_ARG_WITH(system, AS_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";;
armv6|armv7)
machine_name="${host_cpu}l";;
*)
machine_name="$host_cpu";;
esac
case "$host_os" in
linux-gnu*|linux-musl*)
# For backward compatibility, strip the `-gnu' part.
system="$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.@:>@*$//g'`";;
esac])
AC_MSG_RESULT($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" = '${prefix}/var' && localstatedir=/nix/var
# Assign a default value to C{,XX}FLAGS as the default configure script sets them
# to -O2 otherwise, which we don't want to have hardcoded
CFLAGS=${CFLAGS-""}
CXXFLAGS=${CXXFLAGS-""}
AC_PROG_CC
AC_PROG_CXX
AC_PROG_CPP
AC_CHECK_TOOL([AR], [ar])
# Use 64-bit file system calls so that we can support files > 2 GiB.
AC_SYS_LARGEFILE
# Solaris-specific stuff.
case "$host_os" in
solaris*)
# Solaris requires -lsocket -lnsl for network functions
LDFLAGS="-lsocket -lnsl $LDFLAGS"
;;
esac
ENSURE_NO_GCC_BUG_80431
# 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++)
AC_CHECK_FUNCS([statvfs pipe2])
# Check for lutimes, optionally used for changing the mtime of
# symlinks.
AC_CHECK_FUNCS([lutimes])
# 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++)
AC_DEFUN([NEED_PROG],
[
AC_PATH_PROG($1, $2)
if test -z "$$1"; then
AC_MSG_ERROR([$2 is required])
fi
])
NEED_PROG(bash, bash)
AC_PATH_PROG(flex, flex, false)
AC_PATH_PROG(bison, bison, false)
AC_PATH_PROG(dot, dot)
AC_PATH_PROG(lsof, lsof, lsof)
AC_SUBST(coreutils, [$(dirname $(type -p cat))])
AC_ARG_WITH(store-dir, AS_HELP_STRING([--with-store-dir=PATH],[path of the Nix store (defaults to /nix/store)]),
storedir=$withval, storedir='/nix/store')
AC_SUBST(storedir)
# Running the functional tests without building Nix is useful for testing
# different pre-built versions of Nix against each other.
AC_ARG_ENABLE(build, AS_HELP_STRING([--disable-build],[Do not build nix]),
ENABLE_BUILD=$enableval, ENABLE_BUILD=yes)
AC_SUBST(ENABLE_BUILD)
AC_ARG_ENABLE(functional-tests, AS_HELP_STRING([--disable-functional-tests],[Do not build the tests]),
ENABLE_FUNCTIONAL_TESTS=$enableval, ENABLE_FUNCTIONAL_TESTS=yes)
AC_SUBST(ENABLE_FUNCTIONAL_TESTS)
# documentation generation switch
AC_ARG_ENABLE(doc-gen, AS_HELP_STRING([--disable-doc-gen],[disable documentation generation]),
ENABLE_DOC_GEN=$enableval, ENABLE_DOC_GEN=$ENABLE_BUILD)
AC_SUBST(ENABLE_DOC_GEN)
AS_IF(
[test "$ENABLE_BUILD" == "no" && test "$ENABLE_DOC_GEN" == "yes"],
[AC_MSG_ERROR([Cannot enable generated docs when building overall is disabled. Please do not pass '--enable-doc-gen' or do not pass '--disable-build'.])])
AS_IF(
[test "$ENABLE_FUNCTIONAL_TESTS" == "yes" || test "$ENABLE_DOC_GEN" == "yes"],
[NEED_PROG(jq, jq)])
AS_IF([test "$ENABLE_BUILD" == "yes"],[
# Look for boost, a required dependency.
# Note that AX_BOOST_BASE only exports *CPP* BOOST_CPPFLAGS, no CXX flags,
# and CPPFLAGS are not passed to the C++ compiler automatically.
# Thus we append the returned CPPFLAGS to the CXXFLAGS here.
AX_BOOST_BASE([1.66], [CXXFLAGS="$BOOST_CPPFLAGS $CXXFLAGS"], [AC_MSG_ERROR([Nix requires boost.])])
# For unknown reasons, setting this directly in the ACTION-IF-FOUND above
# ends up with LDFLAGS being empty, so we set it afterwards.
LDFLAGS="$BOOST_LDFLAGS $LDFLAGS"
# On some platforms, new-style atomics need a helper library
AC_MSG_CHECKING(whether -latomic is needed)
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <stdint.h>
uint64_t v;
int main() {
return (int)__atomic_load_n(&v, __ATOMIC_ACQUIRE);
}]])], GCC_ATOMIC_BUILTINS_NEED_LIBATOMIC=no, GCC_ATOMIC_BUILTINS_NEED_LIBATOMIC=yes)
AC_MSG_RESULT($GCC_ATOMIC_BUILTINS_NEED_LIBATOMIC)
if test "x$GCC_ATOMIC_BUILTINS_NEED_LIBATOMIC" = xyes; then
LDFLAGS="-latomic $LDFLAGS"
fi
AC_ARG_ENABLE(install-unit-tests, AS_HELP_STRING([--enable-install-unit-tests],[Install the unit tests for running later (default no)]),
INSTALL_UNIT_TESTS=$enableval, INSTALL_UNIT_TESTS=no)
AC_SUBST(INSTALL_UNIT_TESTS)
AC_ARG_WITH(check-bin-dir, AS_HELP_STRING([--with-check-bin-dir=PATH],[path to install unit tests for running later (defaults to $libexecdir/nix)]),
checkbindir=$withval, checkbindir=$libexecdir/nix)
AC_SUBST(checkbindir)
AC_ARG_WITH(check-lib-dir, AS_HELP_STRING([--with-check-lib-dir=PATH],[path to install unit tests for running later (defaults to $libdir)]),
checklibdir=$withval, checklibdir=$libdir)
AC_SUBST(checklibdir)
# LTO is currently broken with clang for unknown reasons; ld segfaults in the llvm plugin
AC_ARG_ENABLE(lto, AS_HELP_STRING([--enable-lto],[Enable LTO (only supported with GCC) [default=no]]),
lto=$enableval, lto=no)
if test "$lto" = yes; then
if $CXX --version | grep -q GCC; then
AC_SUBST(CXXLTO, [-flto=jobserver])
else
echo "error: LTO is only supported with GCC at the moment" >&2
exit 1
fi
else
AC_SUBST(CXXLTO, [""])
fi
PKG_PROG_PKG_CONFIG
AC_ARG_ENABLE(shared, AS_HELP_STRING([--enable-shared],[Build shared libraries for Nix [default=yes]]),
shared=$enableval, shared=yes)
if test "$shared" = yes; then
AC_SUBST(BUILD_SHARED_LIBS, 1, [Whether to build shared libraries.])
else
AC_SUBST(BUILD_SHARED_LIBS, 0, [Whether to build shared libraries.])
PKG_CONFIG="$PKG_CONFIG --static"
fi
# Look for OpenSSL, a required dependency. FIXME: this is only (maybe)
# used by S3BinaryCacheStore.
PKG_CHECK_MODULES([OPENSSL], [libcrypto >= 1.1.1], [CXXFLAGS="$OPENSSL_CFLAGS $CXXFLAGS"])
# Look for libarchive.
PKG_CHECK_MODULES([LIBARCHIVE], [libarchive >= 3.1.2], [CXXFLAGS="$LIBARCHIVE_CFLAGS $CXXFLAGS"])
# Workaround until https://github.com/libarchive/libarchive/issues/1446 is fixed
if test "$shared" != yes; then
LIBARCHIVE_LIBS+=' -lz'
fi
# Look for SQLite, a required dependency.
PKG_CHECK_MODULES([SQLITE3], [sqlite3 >= 3.6.19], [CXXFLAGS="$SQLITE3_CFLAGS $CXXFLAGS"])
# Look for libcurl, a required dependency.
PKG_CHECK_MODULES([LIBCURL], [libcurl], [CXXFLAGS="$LIBCURL_CFLAGS $CXXFLAGS"])
# Look for editline or readline, a required dependency.
# The the libeditline.pc file was added only in libeditline >= 1.15.2,
# see https://github.com/troglobit/editline/commit/0a8f2ef4203c3a4a4726b9dd1336869cd0da8607,
# Older versions are no longer supported.
AC_ARG_WITH(
[readline-flavor],
AS_HELP_STRING([--with-readline-flavor],[Which library to use for nice line editting with the Nix language REPL" [default=editline]]),
[readline_flavor=$withval],
[readline_flavor=editline])
AS_CASE(["$readline_flavor"],
[editline], [
readline_flavor_pc=libeditline
],
[readline], [
readline_flavor_pc=readline
AC_DEFINE([USE_READLINE], [1], [Use readline instead of editline])
],
[AC_MSG_ERROR([bad value "$readline_flavor" for --with-readline-flavor, must be one of: editline, readline])])
PKG_CHECK_MODULES([EDITLINE], [$readline_flavor_pc], [CXXFLAGS="$EDITLINE_CFLAGS $CXXFLAGS"])
# Look for libsodium.
PKG_CHECK_MODULES([SODIUM], [libsodium], [CXXFLAGS="$SODIUM_CFLAGS $CXXFLAGS"])
# Look for libbrotli{enc,dec}.
PKG_CHECK_MODULES([LIBBROTLI], [libbrotlienc libbrotlidec], [CXXFLAGS="$LIBBROTLI_CFLAGS $CXXFLAGS"])
# Look for libcpuid.
have_libcpuid=
if test "$machine_name" = "x86_64"; then
AC_ARG_ENABLE([cpuid],
AS_HELP_STRING([--disable-cpuid], [Do not determine microarchitecture levels with libcpuid (relevant to x86_64 only)]))
if test "x$enable_cpuid" != "xno"; then
PKG_CHECK_MODULES([LIBCPUID], [libcpuid],
[CXXFLAGS="$LIBCPUID_CFLAGS $CXXFLAGS"
have_libcpuid=1
AC_DEFINE([HAVE_LIBCPUID], [1], [Use libcpuid])]
)
fi
fi
AC_SUBST(HAVE_LIBCPUID, [$have_libcpuid])
# Look for libseccomp, required for Linux sandboxing.
case "$host_os" in
linux*)
AC_ARG_ENABLE([seccomp-sandboxing],
AS_HELP_STRING([--disable-seccomp-sandboxing],[Don't build support for seccomp sandboxing (only recommended if your arch doesn't support libseccomp yet!)
]))
if test "x$enable_seccomp_sandboxing" != "xno"; then
PKG_CHECK_MODULES([LIBSECCOMP], [libseccomp],
[CXXFLAGS="$LIBSECCOMP_CFLAGS $CXXFLAGS" CFLAGS="$LIBSECCOMP_CFLAGS $CFLAGS"])
have_seccomp=1
AC_DEFINE([HAVE_SECCOMP], [1], [Whether seccomp is available and should be used for sandboxing.])
AC_COMPILE_IFELSE([
AC_LANG_SOURCE([[
#include <seccomp.h>
#ifndef __SNR_fchmodat2
# error "Missing support for fchmodat2"
#endif
]])
], [], [
echo "libseccomp is missing __SNR_fchmodat2. Please provide libseccomp 2.5.5 or later"
exit 1
])
else
have_seccomp=
fi
;;
*)
have_seccomp=
;;
esac
AC_SUBST(HAVE_SECCOMP, [$have_seccomp])
# Optional dependencies for better normalizing file system data
AC_CHECK_HEADERS([sys/xattr.h])
AS_IF([test "$ac_cv_header_sys_xattr_h" = "yes"],[
AC_CHECK_FUNCS([llistxattr lremovexattr])
AS_IF([test "$ac_cv_func_llistxattr" = "yes" && test "$ac_cv_func_lremovexattr" = "yes"],[
AC_DEFINE([HAVE_ACL_SUPPORT], [1], [Define if we can manipulate file system Access Control Lists])
])
])
# Look for aws-cpp-sdk-s3.
AC_LANG_PUSH(C++)
AC_CHECK_HEADERS([aws/s3/S3Client.h],
[AC_DEFINE([ENABLE_S3], [1], [Whether to enable S3 support via aws-sdk-cpp.]) enable_s3=1],
[AC_DEFINE([ENABLE_S3], [0], [Whether to enable S3 support via aws-sdk-cpp.]) enable_s3=])
AC_SUBST(ENABLE_S3, [$enable_s3])
AC_LANG_POP(C++)
# Whether to use the Boehm garbage collector.
AC_ARG_ENABLE(gc, AS_HELP_STRING([--enable-gc],[enable garbage collection in the Nix expression evaluator (requires Boehm GC) [default=yes]]),
gc=$enableval, gc=yes)
if test "$gc" = yes; then
PKG_CHECK_MODULES([BDW_GC], [bdw-gc])
CXXFLAGS="$BDW_GC_CFLAGS $CXXFLAGS"
AC_DEFINE(HAVE_BOEHMGC, 1, [Whether to use the Boehm garbage collector.])
# See `fixupBoehmStackPointer`, for the integration between Boehm GC
# and Boost coroutines.
old_CFLAGS="$CFLAGS"
# Temporary set `-pthread` just for the next check
CFLAGS="$CFLAGS -pthread"
AC_CHECK_FUNCS([pthread_attr_get_np pthread_getattr_np])
CFLAGS="$old_CFLAGS"
fi
# Look for nlohmann/json.
PKG_CHECK_MODULES([NLOHMANN_JSON], [nlohmann_json >= 3.9])
# Look for lowdown library.
AC_ARG_ENABLE([markdown], AS_HELP_STRING([--enable-markdown], [Enable Markdown rendering in the Nix binary (requires lowdown) [default=auto]]),
enable_markdown=$enableval, enable_markdown=auto)
AS_CASE(["$enable_markdown"],
[yes | auto], [
PKG_CHECK_MODULES([LOWDOWN], [lowdown >= 0.9.0], [
CXXFLAGS="$LOWDOWN_CFLAGS $CXXFLAGS"
have_lowdown=1
AC_DEFINE(HAVE_LOWDOWN, 1, [Whether lowdown is available and should be used for Markdown rendering.])
], [
AS_IF([test "x$enable_markdown" == "xyes"], [AC_MSG_ERROR([--enable-markdown was specified, but lowdown was not found.])])
])
],
[no], [have_lowdown=],
[AC_MSG_ERROR([bad value "$enable_markdown" for --enable-markdown, must be one of: yes, no, auto])])
# Look for libgit2.
PKG_CHECK_MODULES([LIBGIT2], [libgit2])
# Look for toml11, a required dependency.
AC_LANG_PUSH(C++)
AC_CHECK_HEADER([toml.hpp], [], [AC_MSG_ERROR([toml11 is not found.])])
AC_LANG_POP(C++)
# Setuid installations.
AC_CHECK_FUNCS([setresuid setreuid lchown])
# Nice to have, but not essential.
AC_CHECK_FUNCS([strsignal posix_fallocate sysconf])
AC_ARG_WITH(sandbox-shell, AS_HELP_STRING([--with-sandbox-shell=PATH],[path of a statically-linked shell to use as /bin/sh in sandboxes]),
sandbox_shell=$withval)
AC_SUBST(sandbox_shell)
if test ${cross_compiling:-no} = no && ! test -z ${sandbox_shell+x}; then
AC_MSG_CHECKING([whether sandbox-shell has the standalone feature])
# busybox shell sometimes allows executing other busybox applets,
# even if they are not in the path, breaking our sandbox
if PATH= $sandbox_shell -c "busybox" 2>&1 | grep -qv "not found"; then
AC_MSG_RESULT(enabled)
AC_MSG_ERROR([Please disable busybox FEATURE_SH_STANDALONE])
else
AC_MSG_RESULT(disabled)
fi
fi
AC_ARG_ENABLE(embedded-sandbox-shell, AS_HELP_STRING([--enable-embedded-sandbox-shell],[include the sandbox shell in the Nix binary [default=no]]),
embedded_sandbox_shell=$enableval, embedded_sandbox_shell=no)
AC_SUBST(embedded_sandbox_shell)
if test "$embedded_sandbox_shell" = yes; then
AC_DEFINE(HAVE_EMBEDDED_SANDBOX_SHELL, 1, [Include the sandbox shell in the Nix binary.])
fi
])
# Expand all variables in config.status.
test "$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
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_FILES([])
AC_OUTPUT