# libguestfs-daemon
-# Copyright (C) 2009 Red Hat Inc.
+# Copyright (C) 2009-2011 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
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
AC_INIT([libguestfs-daemon],[1.0.0])
-AM_INIT_AUTOMAKE
+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])
[export CC="gcc -m32"],
[enable_32bit=no])
-dnl Enable 'debug' command.
-AC_ARG_ENABLE([debug-command],
- [AS_HELP_STRING([--enable-debug-command], [enable the 'debug' command])],
- [AC_DEFINE_UNQUOTED([ENABLE_DEBUG_COMMAND],[1],[Enable the 'debug' command])],
- [])
+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])
-AC_PROG_CC_C_O
+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 Augeas.
-AC_CHECK_LIB([augeas],[aug_match],,[
- AC_MSG_ERROR([Augeas library not found])
- ])
+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 functions not available in earlier versions of Augeas.
-AC_CHECK_FUNC([aug_load aug_defvar aug_defnode])
+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])
- ])
+ 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 \
+ setitimer \
+ setxattr \
+ sigaction \
+ 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])
+AC_CONFIG_FILES([Makefile lib/Makefile tests/Makefile])
AC_OUTPUT