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# libguestfs-daemon
# Copyright (C) 2009-2010 Red Hat Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
AC_INIT([libguestfs-daemon],[1.0.0])
AC_CONFIG_AUX_DIR([build-aux])
AM_INIT_AUTOMAKE([foreign])
m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
AM_SILENT_RULES([yes]) # make --enable-silent-rules the default.
AC_CONFIG_MACRO_DIR([m4])
dnl If the user specified --enable-32bit, then force the C compiler
dnl to build 32 bit binaries (gcc -m32).
AC_ARG_ENABLE([32bit],
[AS_HELP_STRING([--enable-32bit], [build 32 bit binaries (gcc -m32)])],
[export CC="gcc -m32"],
[enable_32bit=no])
dnl Enable packet dumps when in verbose mode. This generates lots
dnl of debug info, only useful for people debugging the RPC mechanism.
AC_ARG_ENABLE([packet-dump],
[AS_HELP_STRING([--enable-packet-dump],
[enable packet dumps in verbose mode @<:@default=no@:>@])],
[AC_DEFINE([ENABLE_PACKET_DUMP],[1],[Enable packet dumps in verbose mode.])],
[])
dnl For strchrnul(3), asprintf(3), futimens(2) and getline(3).
AC_GNU_SOURCE
dnl Check for basic C environment.
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_CPP
gl_EARLY
gl_INIT
AC_ARG_ENABLE([gcc-warnings],
[AS_HELP_STRING([--enable-gcc-warnings],
[turn on lots of GCC warnings (for developers)])],
[case $enableval in
yes|no) ;;
*) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
esac
gl_gcc_warnings=$enableval],
[gl_gcc_warnings=no]
)
if test "$gl_gcc_warnings" = yes; then
gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
AC_SUBST([WERROR_CFLAGS])
nw=
# This, $nw, is the list of warnings we disable.
nw="$nw -Wdeclaration-after-statement" # too useful to forbid
nw="$nw -Waggregate-return" # anachronistic
nw="$nw -Wc++-compat" # We don't care about C++ compilers
nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
nw="$nw -Wtraditional" # Warns on #elif which we use often
nw="$nw -Wcast-qual" # Too many warnings for now
nw="$nw -Wconversion" # Too many warnings for now
nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
nw="$nw -Wsign-conversion" # Too many warnings for now
nw="$nw -Wtraditional-conversion" # Too many warnings for now
nw="$nw -Wunreachable-code" # Too many warnings for now
nw="$nw -Wpadded" # Our structs are not padded
nw="$nw -Wredundant-decls" # openat.h declares e.g., mkdirat
nw="$nw -Wlogical-op" # any use of fwrite provokes this
nw="$nw -Wvla" # two warnings in mount.c
# things I might fix soon:
nw="$nw -Wmissing-format-attribute" # daemon.h's asprintf_nowarn
nw="$nw -Winline" # daemon.h's asprintf_nowarn
nw="$nw -Wshadow" # numerous, plus we're not unanimous
# ?? -Wstrict-overflow
nw="$nw -Wunsafe-loop-optimizations" # just a warning that an optimization
# was not possible, safe to ignore
nw="$nw -Wlong-long" # Allow long long since it's required
# by Python, Ruby and xstrtoll.
nw="$nw -Wstack-protector" # Don't warn about stack-protector
# failures (seen on Ubuntu).
gl_MANYWARN_ALL_GCC([ws])
gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
for w in $ws; do
gl_WARN_ADD([$w])
done
gl_WARN_ADD([-Wno-unused-parameter]) # stubs.c
gl_WARN_ADD([-Wno-jump-misses-init]) # stubs.c
gl_WARN_ADD([-Wno-unused-variable]) # FIXME: only temporary, for guestfs_protocol.c, etc
# In spite of excluding -Wlogical-op above, it is enabled, as of
# gcc 4.5.0 20090517, and it provokes warnings in cat.c, dd.c, truncate.c
gl_WARN_ADD([-Wno-logical-op])
gl_WARN_ADD([-fdiagnostics-show-option])
AC_SUBST([WARN_CFLAGS])
AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
AC_DEFINE([_FORTIFY_SOURCE], [2],
[enable compile-time and run-time bounds-checking, and some warnings])
AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
fi
AC_C_PROTOTYPES
test "x$U" != "x" && AC_MSG_ERROR([Compiler not ANSI compliant])
AM_PROG_CC_C_O
dnl If the host is Windows, define _WIN32_WINNT to a suitable value.
AC_CANONICAL_HOST
case $host in
*mingw*|*cygwin*|*win32*) CFLAGS="$CFLAGS -D_WIN32_WINNT=0x0500" ;;
esac
dnl Check support for 64 bit file offsets.
AC_SYS_LARGEFILE
dnl Check if dirent (readdir) supports d_type member.
AC_STRUCT_DIRENT_D_TYPE
dnl Check if stat has the required fields.
AC_STRUCT_ST_BLOCKS
AC_CHECK_MEMBER([struct stat.st_blksize],[
AC_DEFINE([HAVE_STRUCT_STAT_ST_BLKSIZE],[1],[Define to 1 if 'st_blksize' is a member of 'struct stat'])])
dnl Check for gperf.
AC_CHECK_PROG([GPERF],[gperf],[gperf],[no])
test "x$GPERF" = "xno" &&
AC_MSG_ERROR([gperf must be installed])
dnl Check for Augeas (now optional).
AC_CHECK_LIB([augeas],[aug_match],[
LIBS="-laugeas $LIBS"
have_augeas=yes
dnl Check for functions not available in earlier versions of Augeas.
AC_CHECK_FUNCS([aug_load aug_defvar aug_defnode])
],[have_augeas=no])
if test "x$have_augeas" = "xyes"; then
AC_DEFINE([HAVE_AUGEAS],[1],[Define to 1 if you have Augeas])
fi
dnl Check for libselinux (optional).
AC_CHECK_HEADERS([selinux/selinux.h])
AC_CHECK_LIB([selinux],[setexeccon],[
LIBS="-lselinux $LIBS"
have_libselinux="$ac_cv_header_selinux_selinux_h"
AC_CHECK_FUNCS([setcon getcon])
],[have_libselinux=no])
if test "x$have_libselinux" = "xyes"; then
AC_DEFINE([HAVE_LIBSELINUX],[1],[Define to 1 if you have libselinux])
fi
dnl Check for XDR library.
AC_CHECK_LIB([portablexdr],[xdrmem_create],[],[
AC_SEARCH_LIBS([xdrmem_create],[rpc xdr nsl])
])
dnl Functions which may not be available in older distributions.
AC_CHECK_FUNCS([\
getxattr \
htonl \
htons \
inotify_init1 \
lgetxattr \
listxattr \
llistxattr \
lsetxattr \
lremovexattr \
mknod \
ntohl \
ntohs \
posix_fallocate \
realpath \
removexattr \
setxattr \
statvfs \
sync])
dnl Headers.
AC_CHECK_HEADERS([\
attr/xattr.h \
printf.h \
sys/inotify.h \
sys/statvfs.h \
sys/xattr.h \
windows.h])
dnl For modified printf, we need glibc either (old-style)
dnl register_printf_function or (new-style) register_printf_specifier.
AC_CHECK_FUNC([register_printf_specifier],[
AC_DEFINE([HAVE_REGISTER_PRINTF_SPECIFIER],[1],
[Define to 1 if you have new-style register_printf_specifier])
],[
AC_CHECK_FUNC([register_printf_function],[
AC_DEFINE([HAVE_REGISTER_PRINTF_FUNCTION],[1],
[Define to 1 if you have old-style register_printf_function])
],[
AC_MSG_FAILURE(
[No support for glibc-style extended printf formatters.
This means you either have a very old glibc (pre-2.0) or you
are using some other libc where this is not supported.])])])
dnl Produce output files.
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_FILES([Makefile lib/Makefile tests/Makefile])
AC_OUTPUT
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