diff options
Diffstat (limited to 'third_party/nix/configure.ac')
| -rw-r--r-- | third_party/nix/configure.ac | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/third_party/nix/configure.ac b/third_party/nix/configure.ac new file mode 100644 index 000000000000..a52830b3835f --- /dev/null +++ b/third_party/nix/configure.ac @@ -0,0 +1,316 @@ +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"). +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";; + 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.@:>@*$//g'`";; + esac]) + +sys_name=$(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 + + +# Set default flags for nix (as per AC_PROG_CC/CXX docs), +# while still allowing the user to override them from the command line. +: ${CFLAGS="-O3"} +: ${CXXFLAGS="-O3"} +AC_PROG_CC +AC_PROG_CXX +AC_PROG_CPP +AX_CXX_COMPILE_STDCXX_17([noext], [mandatory]) + +AC_CHECK_TOOL([AR], [ar]) + +# Use 64-bit file system calls so that we can support files > 2 GiB. +AC_SYS_LARGEFILE + + +# Solaris-specific stuff. +AC_STRUCT_DIRENT_D_TYPE +if test "$sys_name" = sunos; then + # Solaris requires -lsocket -lnsl for network functions + LIBS="-lsocket -lnsl $LIBS" +fi + + +# 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([$2 is required]) +fi +]) + +NEED_PROG(bash, bash) +NEED_PROG(patch, patch) +AC_PATH_PROG(xmllint, xmllint, false) +AC_PATH_PROG(xsltproc, xsltproc, false) +AC_PATH_PROG(flex, flex, false) +AC_PATH_PROG(bison, bison, false) +NEED_PROG(sed, sed) +NEED_PROG(tar, tar) +NEED_PROG(bzip2, bzip2) +NEED_PROG(gzip, gzip) +NEED_PROG(xz, xz) +AC_PATH_PROG(dot, dot) +AC_PATH_PROG(lsof, lsof, lsof) + + +NEED_PROG(cat, cat) +NEED_PROG(tr, tr) +AC_ARG_WITH(coreutils-bin, AC_HELP_STRING([--with-coreutils-bin=PATH], + [path of cat, mkdir, etc.]), + coreutils=$withval, coreutils=$(dirname $cat)) +AC_SUBST(coreutils) + + +AC_ARG_WITH(store-dir, AC_HELP_STRING([--with-store-dir=PATH], + [path of the Nix store (defaults to /nix/store)]), + storedir=$withval, storedir='/nix/store') +AC_SUBST(storedir) + + +# Look for 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 $LDFLAGS" + + +# Look for OpenSSL, a required dependency. +PKG_CHECK_MODULES([OPENSSL], [libcrypto], [CXXFLAGS="$OPENSSL_CFLAGS $CXXFLAGS"]) + + +# Look for libbz2, a required dependency. +AC_CHECK_LIB([bz2], [BZ2_bzWriteOpen], [true], + [AC_MSG_ERROR([Nix requires libbz2, which is part of bzip2. See https://web.archive.org/web/20180624184756/http://www.bzip.org/.])]) +AC_CHECK_HEADERS([bzlib.h], [true], + [AC_MSG_ERROR([Nix requires libbz2, which is part of bzip2. See https://web.archive.org/web/20180624184756/http://www.bzip.org/.])]) + + +# Look for SQLite, a required dependency. +PKG_CHECK_MODULES([SQLITE3], [sqlite3 >= 3.6.19], [CXXFLAGS="$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 $CXXFLAGS"], [ + AC_CHECK_HEADERS([editline.h], [true], + [AC_MSG_ERROR([Nix requires libeditline; it was found neither via pkg-config nor its normal header.])]) + AC_SEARCH_LIBS([readline read_history], [editline], [], + [AC_MSG_ERROR([Nix requires libeditline; it was not found via pkg-config, but via its header, but required functions do not work. Maybe it is too old? >= 1.14 is required.])]) +]) + +# Look for libsodium, an optional dependency. +PKG_CHECK_MODULES([SODIUM], [libsodium], + [AC_DEFINE([HAVE_SODIUM], [1], [Whether to use libsodium for cryptography.]) + CXXFLAGS="$SODIUM_CFLAGS $CXXFLAGS" + have_sodium=1], [have_sodium=]) +AC_SUBST(HAVE_SODIUM, [$have_sodium]) + + +# Look for liblzma, a required dependency. +PKG_CHECK_MODULES([LIBLZMA], [liblzma], [CXXFLAGS="$LIBLZMA_CFLAGS $CXXFLAGS"]) +AC_CHECK_LIB([lzma], [lzma_stream_encoder_mt], + [AC_DEFINE([HAVE_LZMA_MT], [1], [xz multithreaded compression support])]) + + +# Look for libbrotli{enc,dec}. +PKG_CHECK_MODULES([LIBBROTLI], [libbrotlienc libbrotlidec], [CXXFLAGS="$LIBBROTLI_CFLAGS $CXXFLAGS"]) + + +# Look for libseccomp, required for Linux sandboxing. +if test "$sys_name" = linux; then + AC_ARG_ENABLE([seccomp-sandboxing], + AC_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 $CXXFLAGS"]) + have_seccomp=1 + AC_DEFINE([HAVE_SECCOMP], [1], [Whether seccomp is available and should be used for sandboxing.]) + else + have_seccomp= + fi +else + have_seccomp= +fi +AC_SUBST(HAVE_SECCOMP, [$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], [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], ${aws_version_tokens@<:@1@:>@}, [Minor version of aws-sdk-cpp.]) +fi + + +# Whether to use the Boehm garbage collector. +AC_ARG_ENABLE(gc, AC_HELP_STRING([--enable-gc], + [enable garbage collection in the Nix expression evaluator (requires Boehm GC) [default=no]]), + gc=$enableval, gc=no) +if test "$gc" = yes; then + PKG_CHECK_MODULES([BDW_GC], [bdw-gc]) + CXXFLAGS="$BDW_GC_CFLAGS $CXXFLAGS" + AC_DEFINE(HAVE_BOEHMGC, 1, [Whether to use the Boehm garbage collector.]) +fi + + +# documentation generation switch +AC_ARG_ENABLE(doc-gen, AC_HELP_STRING([--disable-doc-gen], + [disable documentation generation]), + doc_generate=$enableval, doc_generate=yes) +AC_SUBST(doc_generate) + + +# Setuid installations. +AC_CHECK_FUNCS([setresuid setreuid lchown]) + + +# Nice to have, but not essential. +AC_CHECK_FUNCS([strsignal posix_fallocate 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 + + +# Do we have GNU tar? +AC_MSG_CHECKING([if you have a recent GNU tar]) +if $tar --version 2> /dev/null | grep -q GNU && tar cvf /dev/null --warning=no-timestamp ./config.log > /dev/null; then + AC_MSG_RESULT(yes) + tarFlags="--warning=no-timestamp" +else + AC_MSG_RESULT(no) +fi +AC_SUBST(tarFlags) + + +AC_ARG_WITH(sandbox-shell, AC_HELP_STRING([--with-sandbox-shell=PATH], + [path of a statically-linked shell to use as /bin/sh in sandboxes]), + sandbox_shell=$withval) +AC_SUBST(sandbox_shell) + +AC_ARG_ENABLE(shared, AC_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.]) +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_HEADER([config.h]) +AC_CONFIG_FILES([]) +AC_OUTPUT |