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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 00000000..714603b2 --- /dev/null +++ b/configure.ac @@ -0,0 +1,246 @@ +# -*- Autoconf -*- +# Process this file with autoconf to produce a configure script. + +AC_PREREQ(2.59) +AC_INIT([Box Backup], 0.09, [box@fluffy.co.uk]) +AC_CONFIG_SRCDIR([lib/common/Box.h]) +AC_CONFIG_HEADERS([lib/common/BoxConfig.h]) + +touch install-sh +AC_CANONICAL_SYSTEM +test -s install-sh || rm install-sh + +### Checks for programs. + +AC_LANG([C++]) +AC_PROG_CXX +AC_CXX_EXCEPTIONS +AC_CXX_NAMESPACES +if test "x$ac_cv_cxx_exceptions" != "xyes" || \ + test "x$ac_cv_cxx_namespaces" != "xyes"; then + AC_MSG_ERROR([[basic compile checks failed, the C++ compiler is broken]]) +fi +if test "x$GXX" = "xyes"; then + # Use -Wall if we have gcc. This gives better warnings + AC_SUBST([CXXFLAGS_STRICT], ['-Wall']) + # Use -rdynamic if we have gcc. This is needed for backtrace + AC_SUBST([LDADD_RDYNAMIC], ['-rdynamic']) +fi + + +### Checks for libraries. + +if test "$target_os" != "mingw32" -a "$target_os" != "winnt"; then + AC_SEARCH_LIBS([nanosleep], [rt], [ac_have_nanosleep=yes], + [AC_MSG_ERROR([[cannot find a short sleep function (nanosleep)]])]) +fi +AC_CHECK_LIB([z], [zlibVersion],, [AC_MSG_ERROR([[cannot find zlib]])]) +VL_LIB_READLINE([have_libreadline=yes], [have_libreadline=no]) + +## Check for Berkely DB. Restrict to certain versions +AX_PATH_BDB(, [ + LIBS="$BDB_LIBS $LIBS" + LDFLAGS="$BDB_LDFLAGS $LDFLAGS" + CPPFLAGS="$CPPFLAGS $BDB_CPPFLAGS" + + AX_COMPARE_VERSION([$BDB_VERSION],[ge],[4.1],, + [AX_COMPARE_VERSION([$BDB_VERSION],[lt],[2],, + [AC_MSG_ERROR([[only Berkely DB versions 1.x or at least 4.1 are currently supported]])] + )] + ) + AX_SPLIT_VERSION([BDB_VERSION], [$BDB_VERSION]) +]) + +## Check for Open SSL, use old versions only if explicitly requested +AC_SEARCH_LIBS([gethostbyname], [nsl socket resolv]) +AC_SEARCH_LIBS([shutdown], [nsl socket resolv]) +AX_CHECK_SSL(, [AC_MSG_ERROR([[OpenSSL is not installed but is required]])]) +AC_ARG_ENABLE( + [old-ssl], + [AC_HELP_STRING([--enable-old-ssl], + [Allow use of pre-0.9.7 Open SSL - NOT RECOMMENDED, read the documentation])]) +AC_CHECK_LIB( + [crypto], + [EVP_CipherInit_ex],, [ + if test "x$enable_old_ssl" = "xyes"; then + AC_DEFINE([HAVE_OLD_SSL], 1, [Define to 1 if SSL is pre-0.9.7]) + else + AC_MSG_ERROR([[found an old (pre 0.9.7) version of SSL. +Upgrade or read the documentation for alternatives]]) + fi + ]) + + +### Checks for header files. + +if test "$target_os" != "mingw32"; then + AC_HEADER_DIRENT +fi + +AC_HEADER_STDC +AC_HEADER_SYS_WAIT +AC_CHECK_HEADERS([execinfo.h process.h pwd.h regex.h signal.h]) +AC_CHECK_HEADERS([syslog.h time.h]) +AC_CHECK_HEADERS([netinet/in.h]) +AC_CHECK_HEADERS([sys/param.h sys/socket.h sys/time.h sys/types.h sys/wait.h]) +AC_CHECK_HEADERS([sys/xattr.h]) + +if test "$ac_cv_header_regex_h" = "yes"; then + AC_SEARCH_LIBS([regcomp], [pcreposix]) +fi + +### Checks for typedefs, structures, and compiler characteristics. + +AC_CHECK_TYPES([u_int8_t, u_int16_t, u_int32_t, u_int64_t]) +AC_CHECK_TYPES([uint8_t, uint16_t, uint32_t, uint64_t]) +AC_HEADER_STDBOOL +AC_C_CONST +AC_C_BIGENDIAN +AX_CHECK_NONALIGNED_ACCESS +AC_TYPE_UID_T +AC_TYPE_MODE_T +AC_TYPE_OFF_T +AC_TYPE_PID_T +AC_TYPE_SIZE_T +AC_CHECK_MEMBERS([struct stat.st_flags]) +AC_CHECK_MEMBERS([struct stat.st_mtimespec]) +AC_CHECK_MEMBERS([struct sockaddr_in.sin_len],,, [[ + #include <sys/types.h> + #include <netinet/in.h> + ]]) +AC_CHECK_DECLS([INFTIM],,, [[#include <poll.h>]]) +AC_CHECK_DECLS([SO_PEERCRED],,, [[#include <sys/socket.h>]]) +AC_HEADER_TIME +AC_STRUCT_TM +AX_CHECK_DIRENT_D_TYPE +AC_SYS_LARGEFILE +AX_CHECK_LLONG_MINMAX +AX_CHECK_DEFINE_PRAGMA +if test "x$ac_cv_c_bigendian" != "xyes"; then + AX_BSWAP64 +fi +if test "$target_os" != "mingw32"; then + AX_RANDOM_DEVICE +fi +AX_CHECK_MOUNT_POINT(,[ + if test "$target_os" != "mingw32" -a "$target_os" != "winnt"; then + AC_MSG_ERROR([[cannot work out how to discover mount points on your platform]]) + fi + ]) +AX_CHECK_MALLOC_WORKAROUND + + +### Checks for library functions. + +AC_FUNC_CLOSEDIR_VOID +AC_FUNC_ERROR_AT_LINE +AC_TYPE_SIGNAL +AC_FUNC_STAT +AC_CHECK_FUNCS([getpeereid lchown setproctitle getpid]) +# NetBSD implements kqueue too differently for us to get it fixed by 0.10 +# TODO: Remove this when NetBSD kqueue implementation is working +netbsd_hack=`echo $target_os | sed 's/netbsd.*/netbsd/'` +if test "$netbsd_hack" != "netbsd"; then + AC_CHECK_FUNCS([kqueue]) +fi +AX_FUNC_SYSCALL +AX_CHECK_SYSCALL_LSEEK +AC_CHECK_FUNCS([listxattr llistxattr getxattr lgetxattr setxattr lsetxattr]) +AC_CHECK_DECLS([XATTR_NOFOLLOW],,, [[#include <sys/xattr.h>]]) + + +### Miscellaneous complicated feature checks + +## Check for large file support active. AC_SYS_LARGEFILE has already worked +## out how to enable it if necessary, we just use this to report to the user +AC_CACHE_CHECK([if we have large file support enabled], [have_large_file_support], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[$ac_includes_default]], [[ + return sizeof(off_t)==4; + ]])], + [have_large_file_support=yes], [have_large_file_support=no] + )]) + +## Find out how to do file locking +AC_CHECK_FUNCS([flock]) +AC_CHECK_DECLS([O_EXLOCK],,, [[#include <fcntl.h>]]) +AC_CHECK_DECLS([F_SETLK],,, [[#include <fcntl.h>]]) +if test "x$ac_cv_func_flock" != "xyes" && \ + test "x$ac_cv_have_decl_O_EXLOCK" != "xyes" && \ + test "x$ac_cv_have_decl_F_SETLK" != "xyes" && \ + test "$target_os" != "mingw32" -a "$target_os" != "winnt" +then + AC_MSG_ERROR([[cannot work out how to do file locking on your platform]]) +fi + +## Get tmpdir +temp_directory_name="/tmp" +AC_ARG_WITH( + [tmp-dir], + [AC_HELP_STRING([--with-tmp-dir=DIR], [Directory for temporary files [/tmp]])], + [temp_directory_name="$withval"]) +AC_DEFINE_UNQUOTED([TEMP_DIRECTORY_NAME], ["$temp_directory_name"], [TMP directory name]) + +## Allow linking binaries with static libraries +AC_ARG_ENABLE( + [static-bin], + [AC_HELP_STRING([--enable-static-bin], [Link binaries with static libraries])]) +if test "x$enable_static_bin" = "xyes"; then + AC_CHECK_LIB([ssl],[SSL_read],,, [crypto]) + LIBS="-Wl,-Bstatic $LIBS -Wl,-Bdynamic" +fi + +## Kludge to allow makeparcels.pl to use bindir. This is not a good long term +## solution because it prevents use of "make exec_prefix=/some/dir" +saved_prefix=$prefix +saved_exec_prefix=$exec_prefix +test "x$prefix" = xNONE && prefix=$ac_default_prefix +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' +bindir_expanded=`eval "echo $bindir"` +bindir_expanded=`eval "echo $bindir_expanded"` +prefix=$saved_prefix +exec_prefix=$saved_exec_prefix +AC_SUBST([bindir_expanded]) + + +### Output files +AC_CONFIG_FILES([infrastructure/BoxPlatform.pm]) +AC_OUTPUT + +# Configure the Box build system +echo +perl ./infrastructure/makebuildenv.pl && + perl ./infrastructure/makeparcels.pl + +# Write summary of important info +cat <<EOC +A summary of the build configuration is below. Box Backup will function +without these features, but will work better where they are present. Refer +to the documentation for more information on each feature. + +Large files: $have_large_file_support +Berkeley DB: $ax_path_bdb_ok +Readline: $have_libreadline +Extended attributes: $ac_cv_header_sys_xattr_h +EOC + + +### Warnings at end for visibility + +if test "x$gcc_3_plus" != "xyes" && test "x$malloc_workaround" != "xyes"; then + echo + AC_MSG_WARN([[the implementation of the C++ STL on this platform may +have a flaw which causes it to apparently leak memory, and this flaw cannot be +worked around. + +When running the daemons, check their memory usage does not constantly +increase. The STL flaw can cause excessive memory use.]]) +fi + +case "$vl_cv_lib_readline" in + *readline*) + echo + AC_MSG_WARN([[do not distribute binaries compiled against GNU readline, +as this could violate the GNU readline licence, which is GPL. You may use +libedit or libeditline instead.]]) + ;; +esac |