2 # Copyright (C) 2009 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 'debug' command.
35 AC_ARG_ENABLE([debug-command],
36 [AS_HELP_STRING([--enable-debug-command], [enable the 'debug' command])],
37 [AC_DEFINE_UNQUOTED([ENABLE_DEBUG_COMMAND],[1],[Enable the 'debug' command])],
40 dnl For strchrnul(3), asprintf(3), futimens(2) and getline(3).
43 dnl Check for basic C environment.
51 AC_ARG_ENABLE([gcc-warnings],
52 [AS_HELP_STRING([--enable-gcc-warnings],
53 [turn on lots of GCC warnings (for developers)])],
56 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
58 gl_gcc_warnings=$enableval],
62 if test "$gl_gcc_warnings" = yes; then
63 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
64 AC_SUBST([WERROR_CFLAGS])
67 # This, $nw, is the list of warnings we disable.
68 nw="$nw -Wdeclaration-after-statement" # too useful to forbid
69 nw="$nw -Waggregate-return" # anachronistic
70 nw="$nw -Wc++-compat" # We don't care about C++ compilers
71 nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
72 nw="$nw -Wtraditional" # Warns on #elif which we use often
73 nw="$nw -Wcast-qual" # Too many warnings for now
74 nw="$nw -Wconversion" # Too many warnings for now
75 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
76 nw="$nw -Wsign-conversion" # Too many warnings for now
77 nw="$nw -Wtraditional-conversion" # Too many warnings for now
78 nw="$nw -Wunreachable-code" # Too many warnings for now
79 nw="$nw -Wpadded" # Our structs are not padded
80 nw="$nw -Wredundant-decls" # openat.h declares e.g., mkdirat
81 nw="$nw -Wlogical-op" # any use of fwrite provokes this
82 nw="$nw -Wvla" # two warnings in mount.c
83 # things I might fix soon:
84 nw="$nw -Wmissing-format-attribute" # daemon.h's asprintf_nowarn
85 nw="$nw -Winline" # daemon.h's asprintf_nowarn
86 nw="$nw -Wshadow" # numerous, plus we're not unanimous
87 # ?? -Wstrict-overflow
89 gl_MANYWARN_ALL_GCC([ws])
90 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
94 gl_WARN_ADD([-Wno-unused-parameter]) # stubs.c
95 gl_WARN_ADD([-Wno-jump-misses-init]) # stubs.c
96 gl_WARN_ADD([-Wno-unused-variable]) # FIXME: only temporary, for guestfs_protocol.c, etc
98 # In spite of excluding -Wlogical-op above, it is enabled, as of
99 # gcc 4.5.0 20090517, and it provokes warnings in cat.c, dd.c, truncate.c
100 gl_WARN_ADD([-Wno-logical-op])
102 gl_WARN_ADD([-fdiagnostics-show-option])
104 AC_SUBST([WARN_CFLAGS])
106 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
107 AC_DEFINE([_FORTIFY_SOURCE], [2],
108 [enable compile-time and run-time bounds-checking, and some warnings])
109 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
113 test "x$U" != "x" && AC_MSG_ERROR([Compiler not ANSI compliant])
117 dnl Check for Augeas (now optional).
118 AC_CHECK_LIB([augeas],[aug_match],[
119 LIBS="-laugeas $LIBS"
121 dnl Check for functions not available in earlier versions of Augeas.
122 AC_CHECK_FUNCS([aug_load aug_defvar aug_defnode])
124 if test "x$have_augeas" = "xyes"; then
125 AC_DEFINE([HAVE_AUGEAS],[1],[Define to 1 if you have Augeas])
128 dnl Check for libselinux (optional).
129 AC_CHECK_HEADERS([selinux/selinux.h])
130 AC_CHECK_LIB([selinux],[setexeccon],[
131 LIBS="-lselinux $LIBS"
132 have_libselinux="$ac_cv_header_selinux_selinux_h"
133 AC_CHECK_FUNCS([setcon getcon])
134 ],[have_libselinux=no])
135 if test "x$have_libselinux" = "xyes"; then
136 AC_DEFINE([HAVE_LIBSELINUX],[1],[Define to 1 if you have libselinux])
139 dnl Check for XDR library.
140 AC_CHECK_LIB([portablexdr],[xdrmem_create],[],[
141 AC_SEARCH_LIBS([xdrmem_create],[rpc xdr nsl])
144 dnl Functions which may not be available in older distributions.
145 AC_CHECK_FUNCS([futimens listxattr llistxattr getxattr lgetxattr setxattr lsetxattr removexattr lremovexattr inotify_init1])
147 dnl For modified printf, we need glibc either (old-style)
148 dnl register_printf_function or (new-style) register_printf_specifier.
149 AC_CHECK_FUNC([register_printf_specifier],[
150 AC_DEFINE([HAVE_REGISTER_PRINTF_SPECIFIER],[1],
151 [Define to 1 if you have new-style register_printf_specifier])
153 AC_CHECK_FUNC([register_printf_function],[
154 AC_DEFINE([HAVE_REGISTER_PRINTF_FUNCTION],[1],
155 [Define to 1 if you have old-style register_printf_function])
158 [No support for glibc-style extended printf formatters.
160 This means you either have a very old glibc (pre-2.0) or you
161 are using some other libc where this is not supported.])])])
164 AC_CHECK_HEADERS([attr/xattr.h sys/xattr.h])
166 dnl Produce output files.
167 AC_CONFIG_HEADERS([config.h])
168 AC_CONFIG_FILES([Makefile lib/Makefile tests/Makefile])