2 # Copyright (C) 2009-2011 Red Hat Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 AC_INIT([libguestfs-daemon],[1.0.0])
19 AC_CONFIG_AUX_DIR([build-aux])
20 AM_INIT_AUTOMAKE([foreign])
22 m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
23 AM_SILENT_RULES([yes]) # make --enable-silent-rules the default.
25 AC_CONFIG_MACRO_DIR([m4])
27 dnl If the user specified --enable-32bit, then force the C compiler
28 dnl to build 32 bit binaries (gcc -m32).
29 AC_ARG_ENABLE([32bit],
30 [AS_HELP_STRING([--enable-32bit], [build 32 bit binaries (gcc -m32)])],
31 [export CC="gcc -m32"],
34 dnl Enable packet dumps when in verbose mode. This generates lots
35 dnl of debug info, only useful for people debugging the RPC mechanism.
36 AC_ARG_ENABLE([packet-dump],
37 [AS_HELP_STRING([--enable-packet-dump],
38 [enable packet dumps in verbose mode @<:@default=no@:>@])],
39 [AC_DEFINE([ENABLE_PACKET_DUMP],[1],[Enable packet dumps in verbose mode.])],
42 dnl For strchrnul(3), asprintf(3), futimens(2) and getline(3).
45 dnl Check for basic C environment.
53 AC_ARG_ENABLE([gcc-warnings],
54 [AS_HELP_STRING([--enable-gcc-warnings],
55 [turn on lots of GCC warnings (for developers)])],
58 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
60 gl_gcc_warnings=$enableval],
64 if test "$gl_gcc_warnings" = yes; then
65 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
66 AC_SUBST([WERROR_CFLAGS])
69 # This, $nw, is the list of warnings we disable.
70 nw="$nw -Wdeclaration-after-statement" # too useful to forbid
71 nw="$nw -Waggregate-return" # anachronistic
72 nw="$nw -Wc++-compat" # We don't care about C++ compilers
73 nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
74 nw="$nw -Wtraditional" # Warns on #elif which we use often
75 nw="$nw -Wcast-qual" # Too many warnings for now
76 nw="$nw -Wconversion" # Too many warnings for now
77 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
78 nw="$nw -Wsign-conversion" # Too many warnings for now
79 nw="$nw -Wtraditional-conversion" # Too many warnings for now
80 nw="$nw -Wunreachable-code" # Too many warnings for now
81 nw="$nw -Wpadded" # Our structs are not padded
82 nw="$nw -Wredundant-decls" # openat.h declares e.g., mkdirat
83 nw="$nw -Wlogical-op" # any use of fwrite provokes this
84 nw="$nw -Wvla" # two warnings in mount.c
85 # things I might fix soon:
86 nw="$nw -Wmissing-format-attribute" # daemon.h's asprintf_nowarn
87 nw="$nw -Winline" # daemon.h's asprintf_nowarn
88 nw="$nw -Wshadow" # numerous, plus we're not unanimous
89 # ?? -Wstrict-overflow
90 nw="$nw -Wunsafe-loop-optimizations" # just a warning that an optimization
91 # was not possible, safe to ignore
92 nw="$nw -Wlong-long" # Allow long long since it's required
93 # by Python, Ruby and xstrtoll.
94 nw="$nw -Wstack-protector" # Don't warn about stack-protector
95 # failures (seen on Ubuntu).
97 gl_MANYWARN_ALL_GCC([ws])
98 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
102 gl_WARN_ADD([-Wno-unused-parameter]) # stubs.c
103 gl_WARN_ADD([-Wno-jump-misses-init]) # stubs.c
104 gl_WARN_ADD([-Wno-unused-variable]) # FIXME: only temporary, for guestfs_protocol.c, etc
106 # In spite of excluding -Wlogical-op above, it is enabled, as of
107 # gcc 4.5.0 20090517, and it provokes warnings in cat.c, dd.c, truncate.c
108 gl_WARN_ADD([-Wno-logical-op])
110 gl_WARN_ADD([-fdiagnostics-show-option])
112 AC_SUBST([WARN_CFLAGS])
114 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
115 AC_DEFINE([_FORTIFY_SOURCE], [2],
116 [enable compile-time and run-time bounds-checking, and some warnings])
117 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
121 test "x$U" != "x" && AC_MSG_ERROR([Compiler not ANSI compliant])
125 dnl If the host is Windows, define _WIN32_WINNT to a suitable value.
128 *mingw*|*cygwin*|*win32*) CFLAGS="$CFLAGS -D_WIN32_WINNT=0x0500" ;;
131 dnl Check support for 64 bit file offsets.
134 dnl Check if dirent (readdir) supports d_type member.
135 AC_STRUCT_DIRENT_D_TYPE
137 dnl Check if stat has the required fields.
139 AC_CHECK_MEMBER([struct stat.st_blksize],[
140 AC_DEFINE([HAVE_STRUCT_STAT_ST_BLKSIZE],[1],[Define to 1 if 'st_blksize' is a member of 'struct stat'])])
143 AC_CHECK_PROG([GPERF],[gperf],[gperf],[no])
144 test "x$GPERF" = "xno" &&
145 AC_MSG_ERROR([gperf must be installed])
147 dnl Check for Augeas (now optional).
148 AC_CHECK_LIB([augeas],[aug_match],[
149 LIBS="-laugeas $LIBS"
151 dnl Check for functions not available in earlier versions of Augeas.
152 AC_CHECK_FUNCS([aug_load aug_defvar aug_defnode])
154 if test "x$have_augeas" = "xyes"; then
155 AC_DEFINE([HAVE_AUGEAS],[1],[Define to 1 if you have Augeas])
158 dnl Check for libselinux (optional).
159 AC_CHECK_HEADERS([selinux/selinux.h])
160 AC_CHECK_LIB([selinux],[setexeccon],[
161 LIBS="-lselinux $LIBS"
162 have_libselinux="$ac_cv_header_selinux_selinux_h"
163 AC_CHECK_FUNCS([setcon getcon])
164 ],[have_libselinux=no])
165 if test "x$have_libselinux" = "xyes"; then
166 AC_DEFINE([HAVE_LIBSELINUX],[1],[Define to 1 if you have libselinux])
169 dnl Check for XDR library.
170 AC_CHECK_LIB([portablexdr],[xdrmem_create],[],[
171 AC_SEARCH_LIBS([xdrmem_create],[rpc xdr nsl])
174 dnl Functions which may not be available in older distributions.
206 dnl For modified printf, we need glibc either (old-style)
207 dnl register_printf_function or (new-style) register_printf_specifier.
208 AC_CHECK_FUNC([register_printf_specifier],[
209 AC_DEFINE([HAVE_REGISTER_PRINTF_SPECIFIER],[1],
210 [Define to 1 if you have new-style register_printf_specifier])
212 AC_CHECK_FUNC([register_printf_function],[
213 AC_DEFINE([HAVE_REGISTER_PRINTF_FUNCTION],[1],
214 [Define to 1 if you have old-style register_printf_function])
217 [No support for glibc-style extended printf formatters.
219 This means you either have a very old glibc (pre-2.0) or you
220 are using some other libc where this is not supported.])])])
222 dnl Produce output files.
223 AC_CONFIG_HEADERS([config.h])
224 AC_CONFIG_FILES([Makefile lib/Makefile tests/Makefile])