mirror of
https://github.com/privatevoid-net/nix-super.git
synced 2024-11-09 15:58:05 +02:00
312 lines
9.8 KiB
Text
312 lines
9.8 KiB
Text
AC_INIT([nix],[m4_esyscmd(bash -c "echo -n $(cat ./.version)$VERSION_SUFFIX")])
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AC_CONFIG_MACRO_DIRS([m4])
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AC_CONFIG_SRCDIR(README.md)
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AC_CONFIG_AUX_DIR(config)
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AC_PROG_SED
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# Construct a Nix system name (like "i686-linux").
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AC_CANONICAL_HOST
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AC_MSG_CHECKING([for the canonical Nix system name])
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AC_ARG_WITH(system, AS_HELP_STRING([--with-system=SYSTEM],[Platform identifier (e.g., `i686-linux').]),
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[system=$withval],
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[case "$host_cpu" in
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i*86)
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machine_name="i686";;
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amd64)
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machine_name="x86_64";;
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armv6|armv7)
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machine_name="${host_cpu}l";;
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*)
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machine_name="$host_cpu";;
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esac
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case "$host_os" in
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linux-gnu*|linux-musl*)
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# For backward compatibility, strip the `-gnu' part.
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system="$machine_name-linux";;
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*)
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# Strip the version number from names such as `gnu0.3',
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# `darwin10.2.0', etc.
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system="$machine_name-`echo $host_os | "$SED" -e's/@<:@0-9.@:>@*$//g'`";;
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esac])
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AC_MSG_RESULT($system)
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AC_SUBST(system)
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AC_DEFINE_UNQUOTED(SYSTEM, ["$system"], [platform identifier ('cpu-os')])
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# State should be stored in /nix/var, unless the user overrides it explicitly.
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test "$localstatedir" = '${prefix}/var' && localstatedir=/nix/var
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CFLAGS=
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CXXFLAGS=
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AC_PROG_CC
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AC_PROG_CXX
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AC_PROG_CPP
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AC_CHECK_TOOL([AR], [ar])
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# Use 64-bit file system calls so that we can support files > 2 GiB.
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AC_SYS_LARGEFILE
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# Solaris-specific stuff.
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AC_STRUCT_DIRENT_D_TYPE
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case "$host_os" in
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solaris*)
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# Solaris requires -lsocket -lnsl for network functions
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LDFLAGS="-lsocket -lnsl $LDFLAGS"
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;;
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esac
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# Check for pubsetbuf.
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AC_MSG_CHECKING([for pubsetbuf])
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AC_LANG_PUSH(C++)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <iostream>
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using namespace std;
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static char buf[1024];]],
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[[cerr.rdbuf()->pubsetbuf(buf, sizeof(buf));]])],
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[AC_MSG_RESULT(yes) AC_DEFINE(HAVE_PUBSETBUF, 1, [Whether pubsetbuf is available.])],
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AC_MSG_RESULT(no))
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AC_LANG_POP(C++)
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AC_CHECK_FUNCS([statvfs pipe2])
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# Check for lutimes, optionally used for changing the mtime of
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# symlinks.
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AC_CHECK_FUNCS([lutimes])
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# Check whether the store optimiser can optimise symlinks.
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AC_MSG_CHECKING([whether it is possible to create a link to a symlink])
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ln -s bla tmp_link
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if ln tmp_link tmp_link2 2> /dev/null; then
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AC_MSG_RESULT(yes)
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AC_DEFINE(CAN_LINK_SYMLINK, 1, [Whether link() works on symlinks.])
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else
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AC_MSG_RESULT(no)
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fi
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rm -f tmp_link tmp_link2
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# Check for <locale>.
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AC_LANG_PUSH(C++)
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AC_CHECK_HEADERS([locale])
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AC_LANG_POP(C++)
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AC_DEFUN([NEED_PROG],
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[
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AC_PATH_PROG($1, $2)
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if test -z "$$1"; then
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AC_MSG_ERROR([$2 is required])
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fi
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])
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NEED_PROG(bash, bash)
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AC_PATH_PROG(flex, flex, false)
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AC_PATH_PROG(bison, bison, false)
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AC_PATH_PROG(dot, dot)
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AC_PATH_PROG(lsof, lsof, lsof)
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NEED_PROG(jq, jq)
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AC_SUBST(coreutils, [$(dirname $(type -p cat))])
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AC_ARG_WITH(store-dir, AS_HELP_STRING([--with-store-dir=PATH],[path of the Nix store (defaults to /nix/store)]),
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storedir=$withval, storedir='/nix/store')
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AC_SUBST(storedir)
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# Look for boost, a required dependency.
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# Note that AX_BOOST_BASE only exports *CPP* BOOST_CPPFLAGS, no CXX flags,
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# and CPPFLAGS are not passed to the C++ compiler automatically.
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# Thus we append the returned CPPFLAGS to the CXXFLAGS here.
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AX_BOOST_BASE([1.66], [CXXFLAGS="$BOOST_CPPFLAGS $CXXFLAGS"], [AC_MSG_ERROR([Nix requires boost.])])
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# For unknown reasons, setting this directly in the ACTION-IF-FOUND above
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# ends up with LDFLAGS being empty, so we set it afterwards.
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LDFLAGS="$BOOST_LDFLAGS $LDFLAGS"
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# On some platforms, new-style atomics need a helper library
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AC_MSG_CHECKING(whether -latomic is needed)
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AC_LINK_IFELSE([AC_LANG_SOURCE([[
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#include <stdint.h>
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uint64_t v;
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int main() {
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return (int)__atomic_load_n(&v, __ATOMIC_ACQUIRE);
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}]])], GCC_ATOMIC_BUILTINS_NEED_LIBATOMIC=no, GCC_ATOMIC_BUILTINS_NEED_LIBATOMIC=yes)
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AC_MSG_RESULT($GCC_ATOMIC_BUILTINS_NEED_LIBATOMIC)
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if test "x$GCC_ATOMIC_BUILTINS_NEED_LIBATOMIC" = xyes; then
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LDFLAGS="-latomic $LDFLAGS"
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fi
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PKG_PROG_PKG_CONFIG
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AC_ARG_ENABLE(shared, AS_HELP_STRING([--enable-shared],[Build shared libraries for Nix [default=yes]]),
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shared=$enableval, shared=yes)
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if test "$shared" = yes; then
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AC_SUBST(BUILD_SHARED_LIBS, 1, [Whether to build shared libraries.])
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else
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AC_SUBST(BUILD_SHARED_LIBS, 0, [Whether to build shared libraries.])
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PKG_CONFIG="$PKG_CONFIG --static"
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fi
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# Look for OpenSSL, a required dependency. FIXME: this is only (maybe)
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# used by S3BinaryCacheStore.
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PKG_CHECK_MODULES([OPENSSL], [libcrypto], [CXXFLAGS="$OPENSSL_CFLAGS $CXXFLAGS"])
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# Checks for libarchive
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PKG_CHECK_MODULES([LIBARCHIVE], [libarchive >= 3.1.2], [CXXFLAGS="$LIBARCHIVE_CFLAGS $CXXFLAGS"])
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# Workaround until https://github.com/libarchive/libarchive/issues/1446 is fixed
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if test "$shared" != yes; then
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LIBARCHIVE_LIBS+=' -lz'
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fi
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# Look for SQLite, a required dependency.
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PKG_CHECK_MODULES([SQLITE3], [sqlite3 >= 3.6.19], [CXXFLAGS="$SQLITE3_CFLAGS $CXXFLAGS"])
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# Look for libcurl, a required dependency.
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PKG_CHECK_MODULES([LIBCURL], [libcurl], [CXXFLAGS="$LIBCURL_CFLAGS $CXXFLAGS"])
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# Look for editline, a required dependency.
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# The the libeditline.pc file was added only in libeditline >= 1.15.2,
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# see https://github.com/troglobit/editline/commit/0a8f2ef4203c3a4a4726b9dd1336869cd0da8607,
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# but e.g. Ubuntu 16.04 has an older version, so we fall back to searching for
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# editline.h when the pkg-config approach fails.
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PKG_CHECK_MODULES([EDITLINE], [libeditline], [CXXFLAGS="$EDITLINE_CFLAGS $CXXFLAGS"], [
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AC_CHECK_HEADERS([editline.h], [true],
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[AC_MSG_ERROR([Nix requires libeditline; it was found neither via pkg-config nor its normal header.])])
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AC_SEARCH_LIBS([readline read_history], [editline], [],
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[AC_MSG_ERROR([Nix requires libeditline; it was not found via pkg-config, but via its header, but required functions do not work. Maybe it is too old? >= 1.14 is required.])])
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])
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# Look for libsodium.
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PKG_CHECK_MODULES([SODIUM], [libsodium], [CXXFLAGS="$SODIUM_CFLAGS $CXXFLAGS"])
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# Look for libbrotli{enc,dec}.
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PKG_CHECK_MODULES([LIBBROTLI], [libbrotlienc libbrotlidec], [CXXFLAGS="$LIBBROTLI_CFLAGS $CXXFLAGS"])
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# Look for libcpuid.
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have_libcpuid=
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if test "$machine_name" = "x86_64"; then
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AC_ARG_ENABLE([cpuid],
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AS_HELP_STRING([--disable-cpuid], [Do not determine microarchitecture levels with libcpuid (relevant to x86_64 only)]))
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if test "x$enable_cpuid" != "xno"; then
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PKG_CHECK_MODULES([LIBCPUID], [libcpuid],
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[CXXFLAGS="$LIBCPUID_CFLAGS $CXXFLAGS"
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have_libcpuid=1
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AC_DEFINE([HAVE_LIBCPUID], [1], [Use libcpuid])]
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)
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fi
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fi
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AC_SUBST(HAVE_LIBCPUID, [$have_libcpuid])
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# Look for libseccomp, required for Linux sandboxing.
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case "$host_os" in
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linux*)
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AC_ARG_ENABLE([seccomp-sandboxing],
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AS_HELP_STRING([--disable-seccomp-sandboxing],[Don't build support for seccomp sandboxing (only recommended if your arch doesn't support libseccomp yet!)
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]))
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if test "x$enable_seccomp_sandboxing" != "xno"; then
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PKG_CHECK_MODULES([LIBSECCOMP], [libseccomp],
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[CXXFLAGS="$LIBSECCOMP_CFLAGS $CXXFLAGS"])
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have_seccomp=1
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AC_DEFINE([HAVE_SECCOMP], [1], [Whether seccomp is available and should be used for sandboxing.])
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else
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have_seccomp=
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fi
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;;
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*)
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have_seccomp=
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;;
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esac
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AC_SUBST(HAVE_SECCOMP, [$have_seccomp])
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# Look for aws-cpp-sdk-s3.
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AC_LANG_PUSH(C++)
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AC_CHECK_HEADERS([aws/s3/S3Client.h],
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[AC_DEFINE([ENABLE_S3], [1], [Whether to enable S3 support via aws-sdk-cpp.]) enable_s3=1],
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[AC_DEFINE([ENABLE_S3], [0], [Whether to enable S3 support via aws-sdk-cpp.]) enable_s3=])
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AC_SUBST(ENABLE_S3, [$enable_s3])
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AC_LANG_POP(C++)
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if test -n "$enable_s3"; then
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declare -a aws_version_tokens=($(printf '#include <aws/core/VersionConfig.h>\nAWS_SDK_VERSION_STRING' | $CPP $CPPFLAGS - | grep -v '^#.*' | sed 's/"//g' | tr '.' ' '))
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AC_DEFINE_UNQUOTED([AWS_VERSION_MAJOR], ${aws_version_tokens@<:@0@:>@}, [Major version of aws-sdk-cpp.])
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AC_DEFINE_UNQUOTED([AWS_VERSION_MINOR], ${aws_version_tokens@<:@1@:>@}, [Minor version of aws-sdk-cpp.])
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AC_DEFINE_UNQUOTED([AWS_VERSION_PATCH], ${aws_version_tokens@<:@2@:>@}, [Patch version of aws-sdk-cpp.])
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fi
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# Whether to use the Boehm garbage collector.
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AC_ARG_ENABLE(gc, AS_HELP_STRING([--enable-gc],[enable garbage collection in the Nix expression evaluator (requires Boehm GC) [default=yes]]),
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gc=$enableval, gc=yes)
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if test "$gc" = yes; then
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PKG_CHECK_MODULES([BDW_GC], [bdw-gc])
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CXXFLAGS="$BDW_GC_CFLAGS $CXXFLAGS"
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AC_DEFINE(HAVE_BOEHMGC, 1, [Whether to use the Boehm garbage collector.])
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fi
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# Look for gtest.
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PKG_CHECK_MODULES([GTEST], [gtest_main])
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# Look for nlohmann/json.
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PKG_CHECK_MODULES([NLOHMANN_JSON], [nlohmann_json >= 3.9])
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# documentation generation switch
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AC_ARG_ENABLE(doc-gen, AS_HELP_STRING([--disable-doc-gen],[disable documentation generation]),
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doc_generate=$enableval, doc_generate=yes)
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AC_SUBST(doc_generate)
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# Look for lowdown library.
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PKG_CHECK_MODULES([LOWDOWN], [lowdown >= 0.8.0], [CXXFLAGS="$LOWDOWN_CFLAGS $CXXFLAGS"])
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# Setuid installations.
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AC_CHECK_FUNCS([setresuid setreuid lchown])
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# Nice to have, but not essential.
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AC_CHECK_FUNCS([strsignal posix_fallocate sysconf])
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# This is needed if bzip2 is a static library, and the Nix libraries
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# are dynamic.
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case "${host_os}" in
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darwin*)
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LDFLAGS="-all_load $LDFLAGS"
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;;
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esac
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AC_ARG_WITH(sandbox-shell, AS_HELP_STRING([--with-sandbox-shell=PATH],[path of a statically-linked shell to use as /bin/sh in sandboxes]),
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sandbox_shell=$withval)
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AC_SUBST(sandbox_shell)
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# Expand all variables in config.status.
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test "$prefix" = NONE && prefix=$ac_default_prefix
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test "$exec_prefix" = NONE && exec_prefix='${prefix}'
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for name in $ac_subst_vars; do
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declare $name="$(eval echo "${!name}")"
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declare $name="$(eval echo "${!name}")"
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declare $name="$(eval echo "${!name}")"
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done
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rm -f Makefile.config
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AC_CONFIG_HEADERS([config.h])
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AC_CONFIG_FILES([])
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AC_OUTPUT
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