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1 | dnl -*- Autoconf -*- fragment for the C++ daemon. |
2 | ||
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3 | AC_MSG_CHECKING([whether to build daemon]) |
4 | AC_MSG_RESULT([$guix_build_daemon]) | |
5 | ||
6 | dnl C++ environment. This macro must be used unconditionnaly. | |
7 | AC_PROG_CXX | |
368d08f7 | 8 | AC_LANG([C++]) |
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9 | |
10 | if test "x$guix_build_daemon" = "xyes"; then | |
11 | ||
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12 | GUIX_ASSERT_CXX11 |
13 | ||
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14 | AC_PROG_RANLIB |
15 | AC_CONFIG_HEADER([nix/config.h]) | |
16 | ||
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17 | dnl Decompressors, for use by the substituter. |
18 | AC_PATH_PROG([GZIP], [gzip]) | |
19 | AC_PATH_PROG([BZIP2], [bzip2]) | |
20 | AC_PATH_PROG([XZ], [xz]) | |
21 | AC_SUBST([GZIP]) | |
22 | AC_SUBST([BZIP2]) | |
23 | AC_SUBST([XZ]) | |
24 | ||
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25 | dnl Use 64-bit file system calls so that we can support files > 2 GiB. |
26 | AC_SYS_LARGEFILE | |
27 | ||
28 | dnl Look for libbz2, a required dependency. | |
29 | AC_CHECK_LIB([bz2], [BZ2_bzWriteOpen], [true], | |
30 | [AC_MSG_ERROR([Guix requires libbz2, which is part of bzip2. See http://www.bzip.org/.])]) | |
31 | AC_CHECK_HEADERS([bzlib.h], [true], | |
32 | [AC_MSG_ERROR([Guix requires libbz2, which is part of bzip2. See http://www.bzip.org/.])]) | |
33 | ||
34 | dnl Look for SQLite, a required dependency. | |
35 | PKG_CHECK_MODULES([SQLITE3], [sqlite3 >= 3.6.19]) | |
36 | ||
37 | AC_DEFINE([NIX_VERSION], ["0.0.0"], [Fake Nix version number.]) | |
ca8dbb7d | 38 | AC_DEFINE_UNQUOTED([SYSTEM], ["$guix_system"], |
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39 | [Guix host system type--i.e., platform and OS kernel tuple.]) |
40 | ||
41 | case "$LIBGCRYPT_PREFIX" in | |
42 | no) | |
43 | LIBGCRYPT_CFLAGS="" | |
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44 | ;; |
45 | *) | |
46 | LIBGCRYPT_CFLAGS="-I$LIBGCRYPT_PREFIX/include" | |
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47 | ;; |
48 | esac | |
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49 | |
50 | case "$LIBGCRYPT_LIBDIR" in | |
51 | no) | |
52 | LIBGCRYPT_LIBS="-lgcrypt" | |
53 | ;; | |
54 | *) | |
55 | LIBGCRYPT_LIBS="-L$LIBGCRYPT_LIBDIR -lgcrypt" | |
56 | ;; | |
57 | esac | |
58 | ||
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59 | AC_SUBST([LIBGCRYPT_CFLAGS]) |
60 | AC_SUBST([LIBGCRYPT_LIBS]) | |
61 | ||
62 | save_CFLAGS="$CFLAGS" | |
63 | save_LDFLAGS="$LDFLAGS" | |
64 | CFLAGS="$CFLAGS $LIBGCRYPT_CFLAGS" | |
65 | LDFLAGS="$LDFLAGS $LIBGCRYPT_LDFLAGS" | |
66 | ||
67 | have_gcrypt=yes | |
68 | AC_CHECK_LIB([gcrypt], [gcry_md_open], [:], [have_gcrypt=no]) | |
69 | AC_CHECK_HEADER([gcrypt.h], [:], [have_gcrypt=no]) | |
70 | if test "x$have_gcrypt" != "xyes"; then | |
71 | AC_MSG_ERROR([GNU libgcrypt not found; please install it.]) | |
72 | fi | |
73 | ||
74 | CFLAGS="$save_CFLAGS" | |
75 | LDFLAGS="$save_LDFLAGS" | |
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76 | |
77 | dnl Chroot support. | |
78 | AC_CHECK_FUNCS([chroot unshare]) | |
63cbe7a1 | 79 | AC_CHECK_HEADERS([sched.h sys/param.h sys/mount.h tr1/unordered_set]) |
2606bbcf | 80 | |
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81 | if test "x$ac_cv_func_chroot" != "xyes"; then |
82 | AC_MSG_ERROR(['chroot' function missing, bailing out]) | |
83 | fi | |
84 | ||
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85 | dnl lutimes and lchown: used when canonicalizing store items. |
86 | dnl posix_fallocate: used when extracting archives. | |
87 | dnl vfork: to speed up spawning of helper programs. | |
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88 | dnl `--> now disabled because of unpredictable behavior: |
89 | dnl see <http://lists.gnu.org/archive/html/guix-devel/2014-05/msg00036.html> | |
90 | dnl and Nix commit f794465c (Nov. 2012). | |
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91 | dnl sched_setaffinity: to improve RPC locality. |
92 | dnl statvfs: to detect disk-full conditions. | |
93 | dnl strsignal: for error reporting. | |
3af2d27e | 94 | AC_CHECK_FUNCS([lutimes lchown posix_fallocate sched_setaffinity \ |
c0412fed | 95 | statvfs nanosleep strsignal]) |
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96 | |
97 | dnl Check whether the store optimiser can optimise symlinks. | |
98 | AC_MSG_CHECKING([whether it is possible to create a link to a symlink]) | |
99 | ln -s bla tmp_link | |
100 | if ln tmp_link tmp_link2 2> /dev/null; then | |
101 | AC_MSG_RESULT(yes) | |
102 | AC_DEFINE(CAN_LINK_SYMLINK, 1, [Whether link() works on symlinks.]) | |
103 | else | |
104 | AC_MSG_RESULT(no) | |
105 | fi | |
106 | rm -f tmp_link tmp_link2 | |
107 | ||
108 | dnl Check for <locale>. | |
109 | AC_LANG_PUSH(C++) | |
110 | AC_CHECK_HEADERS([locale]) | |
111 | AC_LANG_POP(C++) | |
112 | ||
113 | ||
114 | dnl Check whether we have the `personality' syscall, which allows us | |
115 | dnl to do i686-linux builds on x86_64-linux machines. | |
116 | AC_CHECK_HEADERS([sys/personality.h]) | |
117 | ||
118 | dnl Check for <linux/fs.h> (for immutable file support). | |
119 | AC_CHECK_HEADERS([linux/fs.h]) | |
f5c82e15 | 120 | |
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121 | dnl Check whether the 'offload' build hook can be built (uses |
122 | dnl 'restore-file-set', which requires unbuffered custom binary input | |
123 | dnl ports from Guile >= 2.0.10.) | |
124 | GUIX_CHECK_UNBUFFERED_CBIP | |
125 | guix_build_daemon_offload="$ac_cv_guix_cbips_support_setvbuf" | |
126 | ||
127 | if test "x$guix_build_daemon_offload" = "xyes"; then | |
128 | AC_DEFINE([HAVE_DAEMON_OFFLOAD_HOOK], [1], | |
129 | [Define if the daemon's 'offload' build hook is being built.]) | |
130 | fi | |
131 | ||
69cfce50 | 132 | dnl Temporary directory used to store the daemon's data. |
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133 | GUIX_TEST_ROOT_DIRECTORY |
134 | GUIX_TEST_ROOT="$ac_cv_guix_test_root" | |
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135 | AC_SUBST([GUIX_TEST_ROOT]) |
136 | ||
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137 | AC_CONFIG_FILES([nix/scripts/list-runtime-roots], |
138 | [chmod +x nix/scripts/list-runtime-roots]) | |
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139 | AC_CONFIG_FILES([nix/scripts/substitute], |
140 | [chmod +x nix/scripts/substitute]) | |
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141 | AC_CONFIG_FILES([nix/scripts/guix-authenticate], |
142 | [chmod +x nix/scripts/guix-authenticate]) | |
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143 | AC_CONFIG_FILES([nix/scripts/offload], |
144 | [chmod +x nix/scripts/offload]) | |
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145 | fi |
146 | ||
147 | AM_CONDITIONAL([BUILD_DAEMON], [test "x$guix_build_daemon" = "xyes"]) | |
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148 | AM_CONDITIONAL([BUILD_DAEMON_OFFLOAD], \ |
149 | [test "x$guix_build_daemon" = "xyes" \ | |
150 | && test "x$guix_build_daemon_offload" = "xyes"]) |