X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=daemon%2Fconfigure.ac;h=1d335b112886b107f260e598ab1c3ee0b405dcc0;hp=e8aebc9614deb7e6562d9908ac0797b4e1f39620;hb=fd84feb8229f792e22e3cbfa9bf7e8156947eb2f;hpb=713283f4a67b3a1960ca96ce6608d046fc202d2d diff --git a/daemon/configure.ac b/daemon/configure.ac index e8aebc9..1d335b1 100644 --- a/daemon/configure.ac +++ b/daemon/configure.ac @@ -16,7 +16,11 @@ # 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]) @@ -33,30 +37,183 @@ AC_ARG_ENABLE([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 + + 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 for Augeas. -AC_CHECK_LIB([augeas],[aug_match],,[ - AC_MSG_ERROR([Augeas library not found]) - ]) +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 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 \ + 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]) +AC_CONFIG_FILES([Makefile lib/Makefile tests/Makefile]) AC_OUTPUT