dnl GNU Guix --- Functional package management for GNU
-dnl Copyright © 2012, 2013 Ludovic Courtès <ludo@gnu.org>
+dnl Copyright © 2012, 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
+dnl Copyright © 2014 Mark H Weaver <mhw@netris.org>
dnl
dnl This file is part of GNU Guix.
dnl
i*86)
machine_name="i686";;
amd64)
- machine_name="x86_64";;
+ machine_name="x86_64";;
+ arm|armv[[7-9]]*)
+ # Here we want to exclude CPUs such as "armv6l". On ARMv7
+ # machines, we normally get "armv7l". However, in Guix, we
+ # configure with --build=arm-unknown-linux-gnueabihf, leading
+ # to just "arm", so we also have to allow it.
+ #
+ # TODO: If not cross-compiling, add a sanity check to make
+ # sure this build machine has the needed features to
+ # support executables compiled using our armhf gcc,
+ # configured with:
+ # --with-arch=armv7-a
+ # --with-float=hard
+ # --with-mode=thumb
+ # --with-fpu=vfpv3-d16
+ machine_name="armhf";;
*)
machine_name="$host_cpu";;
esac
linux-gnu*)
# For backward compatibility, strip the `-gnu' part.
guix_system="$machine_name-linux";;
+ gnu*)
+ # Always use i586 for GNU/Hurd.
+ guix_system="i586-gnu";;
*)
# Strip the version number from names such as `gnu0.3',
# `darwin10.2.0', etc.
# Currently only Linux-based systems are supported, and only on some
# platforms.
case "$guix_system" in
- x86_64-linux|i686-linux)
+ x86_64-linux|i686-linux|armhf-linux|mips64el-linux)
;;
*)
if test "x$guix_courageous" = "xyes"; then
ac_cv_guix_srfi_37_broken=yes
fi])
])
+
+dnl GUIX_CHECK_UNBUFFERED_CBIP
+dnl
+dnl Check whether 'setbvuf' works on custom binary input ports (CBIPs), as is
+dnl the case starting with Guile 2.0.10.
+AC_DEFUN([GUIX_CHECK_UNBUFFERED_CBIP], [
+ AC_CACHE_CHECK([whether Guile's custom binary input ports support 'setvbuf'],
+ [ac_cv_guix_cbips_support_setvbuf],
+ [if "$GUILE" -c "(use-modules (rnrs io ports)) \
+ (let ((p (make-custom-binary-input-port \"cbip\" pk #f #f #f))) \
+ (setvbuf p _IONBF))" >&5 2>&1
+ then
+ ac_cv_guix_cbips_support_setvbuf=yes
+ else
+ ac_cv_guix_cbips_support_setvbuf=no
+ fi])
+])
+
+dnl GUIX_CHECK_GUILE_SSH
+dnl
+dnl Check whether a recent-enough Guile-SSH is available.
+AC_DEFUN([GUIX_CHECK_GUILE_SSH], [
+ dnl Check whether 'channel-send-eof' (introduced in 0.10.2) is present.
+ AC_CACHE_CHECK([whether Guile-SSH is available and recent enough],
+ [guix_cv_have_recent_guile_ssh],
+ [GUILE_CHECK([retval],
+ [(and (@ (ssh channel) channel-send-eof)
+ (@ (ssh popen) open-remote-pipe)
+ (@ (ssh dist node) node-eval))])
+ if test "$retval" = 0; then
+ guix_cv_have_recent_guile_ssh="yes"
+ else
+ guix_cv_have_recent_guile_ssh="no"
+ fi])
+])
+
+dnl GUIX_TEST_ROOT_DIRECTORY
+AC_DEFUN([GUIX_TEST_ROOT_DIRECTORY], [
+ AC_CACHE_CHECK([for unit test root directory],
+ [ac_cv_guix_test_root],
+ [ac_cv_guix_test_root="`pwd`/test-tmp"])
+])
+
+dnl 'BINPRM_BUF_SIZE' constant in Linux (we leave room for the trailing zero.)
+dnl The Hurd has a limit of about a page (see exec/hashexec.c.)
+m4_define([LINUX_HASH_BANG_LIMIT], 127)
+
+dnl Hardcoded 'sun_path' length in <sys/un.h>.
+m4_define([SOCKET_FILE_NAME_LIMIT], 108)
+
+dnl GUIX_SOCKET_FILE_NAME_LENGTH
+AC_DEFUN([GUIX_SOCKET_FILE_NAME_LENGTH], [
+ AC_CACHE_CHECK([the length of the installed socket file name],
+ [ac_cv_guix_socket_file_name_length],
+ [ac_cv_guix_socket_file_name_length="`echo -n "$guix_localstatedir/guix/daemon-socket/socket" | wc -c`"])
+])
+
+dnl GUIX_TEST_SOCKET_FILE_NAME_LENGTH
+AC_DEFUN([GUIX_TEST_SOCKET_FILE_NAME_LENGTH], [
+ AC_REQUIRE([GUIX_TEST_ROOT_DIRECTORY])
+ AC_CACHE_CHECK([the length of the socket file name used in tests],
+ [ac_cv_guix_test_socket_file_name_length],
+ [ac_cv_guix_test_socket_file_name_length="`echo -n "$ac_cv_guix_test_root/var/123456/daemon-socket/socket" | wc -c`"])
+])
+
+dnl GUIX_HASH_BANG_LENGTH
+AC_DEFUN([GUIX_HASH_BANG_LENGTH], [
+ AC_CACHE_CHECK([the length of a typical hash bang line],
+ [ac_cv_guix_hash_bang_length],
+ [ac_cv_guix_hash_bang_length=`echo -n "$storedir/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-bootstrap-binaries-0/bin/bash" | wc -c`])
+])
+
+dnl GUIX_TEST_HASH_BANG_LENGTH
+AC_DEFUN([GUIX_TEST_HASH_BANG_LENGTH], [
+ AC_REQUIRE([GUIX_TEST_ROOT_DIRECTORY])
+ AC_CACHE_CHECK([the length of a hash bang line used in tests],
+ [ac_cv_guix_test_hash_bang_length],
+ [ac_cv_guix_test_hash_bang_length=`echo -n "$ac_cv_guix_test_root/store/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-bootstrap-binaries-0/bin/bash" | wc -c`])
+])
+
+dnl GUIX_CHECK_FILE_NAME_LIMITS
+dnl
+dnl GNU/Linux has a couple of silly limits that we can easily run into.
+dnl Make sure everything is fine with the current settings. Set $1 to
+dnl 'yes' if tests can run, 'no' otherwise.
+AC_DEFUN([GUIX_CHECK_FILE_NAME_LIMITS], [
+ AC_REQUIRE([GUIX_SOCKET_FILE_NAME_LENGTH])
+ AC_REQUIRE([GUIX_TEST_SOCKET_FILE_NAME_LENGTH])
+ AC_REQUIRE([GUIX_HASH_BANG_LENGTH])
+ AC_REQUIRE([GUIX_TEST_HASH_BANG_LENGTH])
+
+ if test "$ac_cv_guix_socket_file_name_length" -ge ]SOCKET_FILE_NAME_LIMIT[; then
+ AC_MSG_ERROR([socket file name would exceed the maxium allowed length])
+ fi
+ if test "$ac_cv_guix_test_socket_file_name_length" -ge ]SOCKET_FILE_NAME_LIMIT[; then
+ AC_MSG_WARN([socket file name limit may be exceeded when running tests])
+ fi
+
+ $1=yes
+ if test "$ac_cv_guix_hash_bang_length" -ge ]LINUX_HASH_BANG_LIMIT[; then
+ $1=no
+ AC_MSG_ERROR([store directory '$storedir' would lead to overly long hash-bang lines])
+ fi
+ if test "$ac_cv_guix_test_hash_bang_length" -ge ]LINUX_HASH_BANG_LIMIT[; then
+ $1=no
+ AC_MSG_WARN([test directory '$ac_cv_guix_test_root' may lead to overly long hash-bang lines])
+ fi
+])
+
+dnl GUIX_CHECK_CXX11
+dnl
+dnl Check whether the C++ compiler can compile a typical C++11 program.
+AC_DEFUN([GUIX_CHECK_CXX11], [
+ AC_REQUIRE([AC_PROG_CXX])
+ AC_CACHE_CHECK([whether $CXX supports C++11],
+ [ac_cv_guix_cxx11_support],
+ [save_CXXFLAGS="$CXXFLAGS"
+ CXXFLAGS="-std=c++11 $CXXFLAGS"
+ AC_COMPILE_IFELSE([
+ AC_LANG_SOURCE([
+ #include <functional>
+
+ std::function<int(int)>
+ return_plus_lambda (int x)
+ {
+ auto result = [[&]](int y) {
+ return x + y;
+ };
+
+ return result;
+ }
+ ])],
+ [ac_cv_guix_cxx11_support=yes],
+ [ac_cv_guix_cxx11_support=no])
+ CXXFLAGS="$save_CXXFLAGS"
+ ])
+])
+
+dnl GUIX_ASSERT_CXX11
+dnl
+dnl Error out if the C++ compiler cannot compile C++11 code.
+AC_DEFUN([GUIX_ASSERT_CXX11], [
+ GUIX_CHECK_CXX11
+ if test "x$ac_cv_guix_cxx11_support" != "xyes"; then
+ AC_MSG_ERROR([C++ compiler '$CXX' does not support the C++11 standard])
+ fi
+])
+
+dnl GUIX_LIBGCRYPT_LIBDIR VAR
+dnl
+dnl Attempt to determine libgcrypt's LIBDIR; store the result in VAR.
+AC_DEFUN([GUIX_LIBGCRYPT_LIBDIR], [
+ AC_PATH_PROG([LIBGCRYPT_CONFIG], [libgcrypt-config])
+ AC_CACHE_CHECK([libgcrypt's library directory],
+ [guix_cv_libgcrypt_libdir],
+ [if test "x$LIBGCRYPT_CONFIG" != "x"; then
+ guix_cv_libgcrypt_libdir=`$LIBGCRYPT_CONFIG --libs | grep -e -L | sed -e "s/.*-L\([[^ ]]\+\)[[[:blank:]]]\+-lgcrypt.*/\1/g"`
+ else
+ guix_cv_libgcrypt_libdir=""
+ fi])
+ $1="$guix_cv_libgcrypt_libdir"
+])
+
+dnl GUIX_LIBZ_LIBDIR VAR
+dnl
+dnl Attempt to determine libz's LIBDIR; store the result in VAR.
+AC_DEFUN([GUIX_LIBZ_LIBDIR], [
+ AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+ AC_CACHE_CHECK([zlib's library directory],
+ [guix_cv_libz_libdir],
+ [guix_cv_libz_libdir="`$PKG_CONFIG zlib --variable=libdir 2> /dev/null`"])
+ $1="$guix_cv_libz_libdir"
+])
+
+dnl GUIX_CURRENT_LOCALSTATEDIR
+dnl
+dnl Determine the localstatedir of an existing Guix installation and set
+dnl 'guix_cv_current_localstatedir' accordingly. Set it to "none" if no
+dnl existing installation was found.
+AC_DEFUN([GUIX_CURRENT_LOCALSTATEDIR], [
+ AC_PATH_PROG([GUILE], [guile])
+ AC_CACHE_CHECK([the current installation's localstatedir],
+ [guix_cv_current_localstatedir],
+ [dnl Call 'dirname' because (guix config) appends "/guix" to LOCALSTATEDIR.
+ guix_cv_current_localstatedir="`"$GUILE" \
+ -c '(use-modules (guix config))
+ (when (string=? %store-directory "'$storedir'")
+ (display (dirname %state-directory)))' \
+ 2>/dev/null`"
+ if test "x$guix_cv_current_localstatedir" = "x"; then
+ guix_cv_current_localstatedir=none
+ fi])])
+
+dnl GUIX_CHECK_LOCALSTATEDIR
+dnl
+dnl Check that the LOCALSTATEDIR value is consistent with that of the existing
+dnl Guix installation, if any. Error out or warn if they do not match.
+AC_DEFUN([GUIX_CHECK_LOCALSTATEDIR], [
+ AC_REQUIRE([GUIX_CURRENT_LOCALSTATEDIR])
+ if test "x$guix_cv_current_localstatedir" != "xnone"; then
+ if test "$guix_cv_current_localstatedir" != "$guix_localstatedir"; then
+ case "$localstatedir" in
+ NONE|\${prefix}*)
+ # User kept the default value---i.e., did not pass '--localstatedir'.
+ AC_MSG_ERROR([chosen localstatedir '$guix_localstatedir' does not match \
+that of the existing installation '$guix_cv_current_localstatedir'
+Installing may corrupt $storedir!
+Use './configure --localstatedir=$guix_cv_current_localstatedir'.])
+ ;;
+ *)
+ # User passed an explicit '--localstatedir'. Assume they know what
+ # they're doing.
+ AC_MSG_WARN([chosen localstatedir '$guix_localstatedir' does not match \
+that of the existing installation '$guix_cv_current_localstatedir'])
+ AC_MSG_WARN([installing may corrupt $storedir!])
+ ;;
+ esac
+ fi
+ fi])
HCoop / jackhill / guix / guix.git / blobdiff