diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 396 |
1 files changed, 0 insertions, 396 deletions
diff --git a/configure.ac b/configure.ac deleted file mode 100644 index 12a5873cf..000000000 --- a/configure.ac +++ /dev/null @@ -1,396 +0,0 @@ -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=${CXXFLAGS-""} - -AC_PROG_CC -AC_PROG_CXX -AC_PROG_CPP - -AC_CHECK_TOOL([AR], [ar]) - -# Use 64-bit file system calls so that we can support files > 2 GiB. -AC_SYS_LARGEFILE - - -# Solaris-specific stuff. -AC_STRUCT_DIRENT_D_TYPE -case "$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([$2 is required]) -fi -]) - -NEED_PROG(bash, bash) -AC_PATH_PROG(flex, flex, false) -AC_PATH_PROG(bison, bison, false) -AC_PATH_PROG(dot, dot) -AC_PATH_PROG(lsof, lsof, lsof) -NEED_PROG(jq, jq) - - -AC_SUBST(coreutils, [$(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) - - -# 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 $LDFLAGS" -fi - -# Running the functional tests without building Nix is useful for testing -# different pre-built versions of Nix against each other. -AC_ARG_ENABLE(build, AS_HELP_STRING([--disable-build],[Do not build nix]), - ENABLE_BUILD=$enableval, ENABLE_BUILD=yes) -AC_SUBST(ENABLE_BUILD) -# Building without tests is useful for bootstrapping with a smaller footprint -# or running the tests in a separate derivation. Otherwise, we do compile and -# run them. -AC_ARG_ENABLE(tests, AS_HELP_STRING([--disable-tests],[Do not build the tests]), - ENABLE_TESTS=$enableval, ENABLE_TESTS=yes) -AC_SUBST(ENABLE_TESTS) - -# Building without API docs is the default as Nix' C++ interfaces are internal and unstable. -AC_ARG_ENABLE(internal_api_docs, AS_HELP_STRING([--enable-internal-api-docs],[Build API docs for Nix's internal unstable C++ interfaces]), - internal_api_docs=$enableval, internal_api_docs=no) -AC_SUBST(internal_api_docs) - -# 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 $CXXFLAGS"]) - -# Look for editline, a required dependency. -# The the libeditline.pc file was added only in libeditline >= 1.15.2, -# see https://github.com/troglobit/editline/commit/0a8f2ef4203c3a4a4726b9dd1336869cd0da8607, -# but e.g. Ubuntu 16.04 has an older version, so we fall back to searching for -# editline.h when the pkg-config approach fails. -PKG_CHECK_MODULES([EDITLINE], [libeditline], [CXXFLAGS="$EDITLINE_CFLAGS $CXXFLAGS"], [ - AC_CHECK_HEADERS([editline.h], [true], - [AC_MSG_ERROR([Nix requires libeditline; it was found neither via pkg-config nor its normal header.])]) - AC_SEARCH_LIBS([readline read_history], [editline], [], - [AC_MSG_ERROR([Nix requires libeditline; it was not found via pkg-config, but via its header, but required functions do not work. Maybe it is too old? >= 1.14 is required.])]) -]) - -# Look for libsodium. -PKG_CHECK_MODULES([SODIUM], [libsodium], [CXXFLAGS="$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 $CXXFLAGS"]) - have_seccomp=1 - AC_DEFINE([HAVE_SECCOMP], [1], [Whether seccomp is available and should be used for sandboxing.]) - else - have_seccomp= - fi - ;; - *) - have_seccomp= - ;; -esac -AC_SUBST(HAVE_SECCOMP, [$have_seccomp]) - - -# 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, [$enable_s3]) -AC_LANG_POP(C++) - -if test -n "$enable_s3"; then - declare -a aws_version_tokens=($(printf '#include <aws/core/VersionConfig.h>\nAWS_SDK_VERSION_STRING' | $CPP $CPPFLAGS - | grep -v '^#.*' | sed 's/"//g' | tr '.' ' ')) - AC_DEFINE_UNQUOTED([AWS_VERSION_MAJOR], ${aws_version_tokens@<:@0@:>@}, [Major version of aws-sdk-cpp.]) - AC_DEFINE_UNQUOTED([AWS_VERSION_MINOR], ${aws_version_tokens@<:@1@:>@}, [Minor version of aws-sdk-cpp.]) - AC_DEFINE_UNQUOTED([AWS_VERSION_PATCH], ${aws_version_tokens@<:@2@:>@}, [Patch version of aws-sdk-cpp.]) -fi - - -# Whether to use the Boehm garbage collector. -AC_ARG_ENABLE(gc, AS_HELP_STRING([--enable-gc],[enable garbage collection in the Nix expression evaluator (requires Boehm GC) [default=yes]]), - gc=$enableval, gc=yes) -if test "$gc" = yes; then - PKG_CHECK_MODULES([BDW_GC], [bdw-gc]) - CXXFLAGS="$BDW_GC_CFLAGS $CXXFLAGS" - AC_DEFINE(HAVE_BOEHMGC, 1, [Whether to use the Boehm garbage collector.]) -fi - - -if test "$ENABLE_TESTS" = yes; then - -# Look for gtest. -PKG_CHECK_MODULES([GTEST], [gtest_main gmock_main]) - - -# Look for rapidcheck. -AC_ARG_VAR([RAPIDCHECK_HEADERS], [include path of gtest headers shipped by RAPIDCHECK]) -# No pkg-config yet, https://github.com/emil-e/rapidcheck/issues/302 -AC_LANG_PUSH(C++) -AC_SUBST(RAPIDCHECK_HEADERS) -[CXXFLAGS="-I $RAPIDCHECK_HEADERS $CXXFLAGS"] -[LIBS="-lrapidcheck -lgtest $LIBS"] -AC_CHECK_HEADERS([rapidcheck/gtest.h], [], [], [#include <gtest/gtest.h>]) -dnl AC_CHECK_LIB doesn't work for C++ libs with mangled symbols -AC_LINK_IFELSE([ - AC_LANG_PROGRAM([[ - #include <gtest/gtest.h> - #include <rapidcheck/gtest.h> - ]], [[ - return RUN_ALL_TESTS(); - ]]) - ], - [], - [AC_MSG_ERROR([librapidcheck is not found.])]) -AC_LANG_POP(C++) - -fi - -# Look for nlohmann/json. -PKG_CHECK_MODULES([NLOHMANN_JSON], [nlohmann_json >= 3.9]) - - -# documentation generation switch -AC_ARG_ENABLE(doc-gen, AS_HELP_STRING([--disable-doc-gen],[disable documentation generation]), - doc_generate=$enableval, doc_generate=yes) -AC_SUBST(doc_generate) - -# Look for lowdown library. -PKG_CHECK_MODULES([LOWDOWN], [lowdown >= 0.9.0], [CXXFLAGS="$LOWDOWN_CFLAGS $CXXFLAGS"]) - -# Look for toml11, a required dependency. -AC_ARG_VAR([TOML11_HEADERS], [include path of toml11 headers]) -AC_LANG_PUSH(C++) -[CXXFLAGS="-I $TOML11_HEADERS $CXXFLAGS"] -AC_CHECK_HEADER([toml.hpp], [], [AC_MSG_ERROR([toml11 is not found.])]) -AC_LANG_POP(C++) - -# Setuid installations. -AC_CHECK_FUNCS([setresuid setreuid lchown]) - - -# Nice to have, but not essential. -AC_CHECK_FUNCS([strsignal posix_fallocate sysconf]) - - -AC_ARG_WITH(sandbox-shell, AS_HELP_STRING([--with-sandbox-shell=PATH],[path of a statically-linked shell to use as /bin/sh in sandboxes]), - sandbox_shell=$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 |