mirror of
https://github.com/privatevoid-net/nix-super.git
synced 2024-11-15 10:46:15 +02:00
447 lines
15 KiB
Text
447 lines
15 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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# https://www.gnu.org/software/autoconf/manual/html_node/Canonicalizing.html#index-AC_005fCANONICAL_005fHOST-1
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# The inital value is produced by the `config/config.guess` script:
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# upstream: https://git.savannah.gnu.org/cgit/config.git/tree/config.guess
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# It has the following form, which is not documented anywhere:
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# <cpu>-<vendor>-<os>[<version>][-<abi>]
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# If `./configure` is passed any of the `--host`, `--build`, `--target` options, the value comes from `config/config.sub` instead:
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# upstream: https://git.savannah.gnu.org/cgit/config.git/tree/config.sub
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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" = '${prefix}/var' && localstatedir=/nix/var
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# Assign a default value to C{,XX}FLAGS as the default configure script sets them
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# to -O2 otherwise, which we don't want to have hardcoded
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CFLAGS=${CFLAGS-""}
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CXXFLAGS=${CXXFLAGS-""}
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AC_PROG_CC
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AC_PROG_CXX
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AC_PROG_CPP
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AC_CHECK_TOOL([AR], [ar])
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# Use 64-bit file system calls so that we can support files > 2 GiB.
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AC_SYS_LARGEFILE
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# Solaris-specific stuff.
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case "$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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ENSURE_NO_GCC_BUG_80431
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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 close_range])
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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([$2 is required])
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fi
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])
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NEED_PROG(bash, bash)
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AC_PATH_PROG(flex, flex, false)
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AC_PATH_PROG(bison, bison, false)
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AC_PATH_PROG(dot, dot)
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AC_PATH_PROG(lsof, lsof, lsof)
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AC_SUBST(coreutils, [$(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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# Running the functional tests without building Nix is useful for testing
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# different pre-built versions of Nix against each other.
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AC_ARG_ENABLE(build, AS_HELP_STRING([--disable-build],[Do not build nix]),
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ENABLE_BUILD=$enableval, ENABLE_BUILD=yes)
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AC_SUBST(ENABLE_BUILD)
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# Building without unit tests is useful for bootstrapping with a smaller footprint
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# or running the tests in a separate derivation. Otherwise, we do compile and
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# run them.
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AC_ARG_ENABLE(unit-tests, AS_HELP_STRING([--disable-unit-tests],[Do not build the tests]),
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ENABLE_UNIT_TESTS=$enableval, ENABLE_UNIT_TESTS=$ENABLE_BUILD)
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AC_SUBST(ENABLE_UNIT_TESTS)
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AS_IF(
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[test "$ENABLE_BUILD" == "no" && test "$ENABLE_UNIT_TESTS" == "yes"],
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[AC_MSG_ERROR([Cannot enable unit tests when building overall is disabled. Please do not pass '--enable-unit-tests' or do not pass '--disable-build'.])])
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AC_ARG_ENABLE(functional-tests, AS_HELP_STRING([--disable-functional-tests],[Do not build the tests]),
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ENABLE_FUNCTIONAL_TESTS=$enableval, ENABLE_FUNCTIONAL_TESTS=yes)
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AC_SUBST(ENABLE_FUNCTIONAL_TESTS)
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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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ENABLE_DOC_GEN=$enableval, ENABLE_DOC_GEN=$ENABLE_BUILD)
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AC_SUBST(ENABLE_DOC_GEN)
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AS_IF(
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[test "$ENABLE_BUILD" == "no" && test "$ENABLE_DOC_GEN" == "yes"],
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[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'.])])
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AS_IF(
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[test "$ENABLE_FUNCTIONAL_TESTS" == "yes" || test "$ENABLE_DOC_GEN" == "yes"],
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[NEED_PROG(jq, jq)])
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AS_IF([test "$ENABLE_BUILD" == "yes"],[
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# Look for boost, a required dependency.
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# Note that AX_BOOST_BASE only exports *CPP* BOOST_CPPFLAGS, no CXX flags,
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# and CPPFLAGS are not passed to the C++ compiler automatically.
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# Thus we append the returned CPPFLAGS to the CXXFLAGS here.
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AX_BOOST_BASE([1.66], [CXXFLAGS="$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 $LDFLAGS"
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fi
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AC_ARG_ENABLE(install-unit-tests, AS_HELP_STRING([--enable-install-unit-tests],[Install the unit tests for running later (default no)]),
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INSTALL_UNIT_TESTS=$enableval, INSTALL_UNIT_TESTS=no)
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AC_SUBST(INSTALL_UNIT_TESTS)
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AC_ARG_WITH(check-bin-dir, AS_HELP_STRING([--with-check-bin-dir=PATH],[path to install unit tests for running later (defaults to $libexecdir/nix)]),
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checkbindir=$withval, checkbindir=$libexecdir/nix)
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AC_SUBST(checkbindir)
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AC_ARG_WITH(check-lib-dir, AS_HELP_STRING([--with-check-lib-dir=PATH],[path to install unit tests for running later (defaults to $libdir)]),
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checklibdir=$withval, checklibdir=$libdir)
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AC_SUBST(checklibdir)
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# LTO is currently broken with clang for unknown reasons; ld segfaults in the llvm plugin
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AC_ARG_ENABLE(lto, AS_HELP_STRING([--enable-lto],[Enable LTO (only supported with GCC) [default=no]]),
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lto=$enableval, lto=no)
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if test "$lto" = yes; then
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if $CXX --version | grep -q GCC; then
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AC_SUBST(CXXLTO, [-flto=jobserver])
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else
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echo "error: LTO is only supported with GCC at the moment" >&2
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exit 1
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fi
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else
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AC_SUBST(CXXLTO, [""])
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fi
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PKG_PROG_PKG_CONFIG
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AC_ARG_ENABLE(shared, AS_HELP_STRING([--enable-shared],[Build shared libraries for Nix [default=yes]]),
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shared=$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 >= 1.1.1], [CXXFLAGS="$OPENSSL_CFLAGS $CXXFLAGS"])
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# Look for libarchive.
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PKG_CHECK_MODULES([LIBARCHIVE], [libarchive >= 3.1.2], [CXXFLAGS="$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 $CXXFLAGS"])
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# Look for editline or readline, a required dependency.
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# The the libeditline.pc file was added only in libeditline >= 1.15.2,
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# see https://github.com/troglobit/editline/commit/0a8f2ef4203c3a4a4726b9dd1336869cd0da8607,
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# Older versions are no longer supported.
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AC_ARG_WITH(
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[readline-flavor],
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AS_HELP_STRING([--with-readline-flavor],[Which library to use for nice line editting with the Nix language REPL" [default=editline]]),
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[readline_flavor=$withval],
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[readline_flavor=editline])
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AS_CASE(["$readline_flavor"],
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[editline], [
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readline_flavor_pc=libeditline
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],
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[readline], [
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readline_flavor_pc=readline
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AC_DEFINE([USE_READLINE], [1], [Use readline instead of editline])
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],
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[AC_MSG_ERROR([bad value "$readline_flavor" for --with-readline-flavor, must be one of: editline, readline])])
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PKG_CHECK_MODULES([EDITLINE], [$readline_flavor_pc], [CXXFLAGS="$EDITLINE_CFLAGS $CXXFLAGS"])
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# Look for libsodium.
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PKG_CHECK_MODULES([SODIUM], [libsodium], [CXXFLAGS="$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 $CXXFLAGS" CFLAGS="$LIBSECCOMP_CFLAGS $CFLAGS"])
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have_seccomp=1
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AC_DEFINE([HAVE_SECCOMP], [1], [Whether seccomp is available and should be used for sandboxing.])
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AC_COMPILE_IFELSE([
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AC_LANG_SOURCE([[
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#include <seccomp.h>
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#ifndef __SNR_fchmodat2
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# error "Missing support for fchmodat2"
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#endif
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]])
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], [], [
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echo "libseccomp is missing __SNR_fchmodat2. Please provide libseccomp 2.5.5 or later"
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exit 1
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])
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else
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have_seccomp=
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fi
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;;
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*)
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have_seccomp=
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;;
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esac
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AC_SUBST(HAVE_SECCOMP, [$have_seccomp])
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# Optional dependencies for better normalizing file system data
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AC_CHECK_HEADERS([sys/xattr.h])
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AS_IF([test "$ac_cv_header_sys_xattr_h" = "yes"],[
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AC_CHECK_FUNCS([llistxattr lremovexattr])
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AS_IF([test "$ac_cv_func_llistxattr" = "yes" && test "$ac_cv_func_lremovexattr" = "yes"],[
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AC_DEFINE([HAVE_ACL_SUPPORT], [1], [Define if we can manipulate file system Access Control Lists])
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])
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])
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# Look for aws-cpp-sdk-s3.
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AC_LANG_PUSH(C++)
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AC_CHECK_HEADERS([aws/s3/S3Client.h],
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[AC_DEFINE([ENABLE_S3], [1], [Whether to enable S3 support via aws-sdk-cpp.]) enable_s3=1],
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[AC_DEFINE([ENABLE_S3], [0], [Whether to enable S3 support via aws-sdk-cpp.]) enable_s3=])
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AC_SUBST(ENABLE_S3, [$enable_s3])
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AC_LANG_POP(C++)
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# 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 $CXXFLAGS"
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AC_DEFINE(HAVE_BOEHMGC, 1, [Whether to use the Boehm garbage collector.])
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# See `fixupBoehmStackPointer`, for the integration between Boehm GC
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# and Boost coroutines.
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old_CFLAGS="$CFLAGS"
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# Temporary set `-pthread` just for the next check
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CFLAGS="$CFLAGS -pthread"
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AC_CHECK_FUNCS([pthread_attr_get_np pthread_getattr_np])
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CFLAGS="$old_CFLAGS"
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fi
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AS_IF([test "$ENABLE_UNIT_TESTS" == "yes"],[
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# Look for gtest.
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PKG_CHECK_MODULES([GTEST], [gtest_main gmock_main])
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# Look for rapidcheck.
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PKG_CHECK_MODULES([RAPIDCHECK], [rapidcheck rapidcheck_gtest])
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])
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# Look for nlohmann/json.
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PKG_CHECK_MODULES([NLOHMANN_JSON], [nlohmann_json >= 3.9])
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# Look for lowdown library.
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AC_ARG_ENABLE([markdown], AS_HELP_STRING([--enable-markdown], [Enable Markdown rendering in the Nix binary (requires lowdown) [default=auto]]),
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enable_markdown=$enableval, enable_markdown=auto)
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AS_CASE(["$enable_markdown"],
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[yes | auto], [
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PKG_CHECK_MODULES([LOWDOWN], [lowdown >= 0.9.0], [
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CXXFLAGS="$LOWDOWN_CFLAGS $CXXFLAGS"
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have_lowdown=1
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AC_DEFINE(HAVE_LOWDOWN, 1, [Whether lowdown is available and should be used for Markdown rendering.])
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], [
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AS_IF([test "x$enable_markdown" == "xyes"], [AC_MSG_ERROR([--enable-markdown was specified, but lowdown was not found.])])
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])
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],
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[no], [have_lowdown=],
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[AC_MSG_ERROR([bad value "$enable_markdown" for --enable-markdown, must be one of: yes, no, auto])])
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# Look for libgit2.
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PKG_CHECK_MODULES([LIBGIT2], [libgit2])
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# Look for toml11, a required dependency.
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AC_LANG_PUSH(C++)
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AC_CHECK_HEADER([toml.hpp], [], [AC_MSG_ERROR([toml11 is not found.])])
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AC_LANG_POP(C++)
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# Setuid installations.
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AC_CHECK_FUNCS([setresuid setreuid lchown])
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# Nice to have, but not essential.
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AC_CHECK_FUNCS([strsignal posix_fallocate sysconf])
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AC_ARG_WITH(sandbox-shell, AS_HELP_STRING([--with-sandbox-shell=PATH],[path of a statically-linked shell to use as /bin/sh in sandboxes]),
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sandbox_shell=$withval)
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AC_SUBST(sandbox_shell)
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if test ${cross_compiling:-no} = no && ! test -z ${sandbox_shell+x}; then
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AC_MSG_CHECKING([whether sandbox-shell has the standalone feature])
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# busybox shell sometimes allows executing other busybox applets,
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# even if they are not in the path, breaking our sandbox
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if PATH= $sandbox_shell -c "busybox" 2>&1 | grep -qv "not found"; then
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AC_MSG_RESULT(enabled)
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AC_MSG_ERROR([Please disable busybox FEATURE_SH_STANDALONE])
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else
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AC_MSG_RESULT(disabled)
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fi
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fi
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AC_ARG_ENABLE(embedded-sandbox-shell, AS_HELP_STRING([--enable-embedded-sandbox-shell],[include the sandbox shell in the Nix binary [default=no]]),
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embedded_sandbox_shell=$enableval, embedded_sandbox_shell=no)
|
|
AC_SUBST(embedded_sandbox_shell)
|
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if test "$embedded_sandbox_shell" = yes; then
|
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AC_DEFINE(HAVE_EMBEDDED_SANDBOX_SHELL, 1, [Include the sandbox shell in the Nix binary.])
|
|
fi
|
|
|
|
])
|
|
|
|
|
|
# Expand all variables in config.status.
|
|
test "$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
|