diff --git a/configure.ac b/configure.ac index b03f99f..ac44b7e 100644 --- a/configure.ac +++ b/configure.ac @@ -1,879 +1,877 @@ # Process this file with autoconf to produce a configure script. -AC_PREREQ([2.61]) +AC_PREREQ([2.69]) dnl inject zero as a "patch" component of the version if missing in tag; dnl care to bump "X.Y.Z-yank" template below upon each release very desirable AC_INIT([libqb], m4_esyscmd([build-aux/git-version-gen $(echo '$Format:%h??%D$'\ | sed -ne 's/^[$]Format:[^$]*[$]$/.tarball-version/p;tend'\ -e 's/.*tag: v\([^, ][^, ]*\).*/\1-yank/;tv'\ -e 's/^\([[:xdigit:]][[:xdigit:]]*\).*/1.9.0-yank\1/'\ -e ':v' -e 'w .snapshot-version' -e 'i\ .snapshot-version' -e ':end' -e 'q')\ 's/^\(v[0-9][0-9]*\.[0-9][0-9]*\)\([^.].*\)\?$/\1.0\2/']), [developers@clusterlabs.org]) AC_CONFIG_AUX_DIR([build-aux]) AC_CONFIG_SRCDIR([lib/ringbuffer.c]) AC_CONFIG_HEADERS([include/config.h include/qb/qbconfig.h]) AC_USE_SYSTEM_EXTENSIONS AM_INIT_AUTOMAKE([-Wno-portability dist-xz subdir-objects]) dnl automake >= 1.11 offers --enable-silent-rules for suppressing the output from dnl normal compilation. When a failure occurs, it will then display the full dnl command line dnl Wrap in m4_ifdef to avoid breaking on older platforms m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])]) LT_PREREQ([2.2.6]) # --enable-new-dtags: Use RUNPATH instead of RPATH. # It is necessary to have this done before libtool does linker detection. # See also: https://github.com/kronosnet/kronosnet/issues/107 AX_CHECK_LINK_FLAG([-Wl,--enable-new-dtags], [AM_LDFLAGS=-Wl,--enable-new-dtags], [AC_MSG_ERROR(["Linker support for --enable-new-dtags is required"])]) AC_SUBST([AM_LDFLAGS]) saved_LDFLAGS="$LDFLAGS" LDFLAGS="$AM_LDFLAGS $LDFLAGS" LT_INIT LDFLAGS="$saved_LDFLAGS" AC_CONFIG_MACRO_DIR([m4]) AC_CANONICAL_HOST -AC_PROG_LIBTOOL +LT_INIT AC_LANG([C]) dnl Fix default variables - "prefix" variable if not specified if test "$prefix" = "NONE"; then prefix="/usr" if test "$localstatedir" = "\${prefix}/var"; then localstatedir="/var" fi if test "$sysconfdir" = "\${prefix}/etc"; then sysconfdir="/etc" fi if test "$libdir" = "\${exec_prefix}/lib"; then if test -e /usr/lib64; then libdir="/usr/lib64" else libdir="/usr/lib" fi fi fi if test "$srcdir" = "."; then AC_MSG_NOTICE([building in place srcdir:$srcdir]) AC_DEFINE([BUILDING_IN_PLACE], 1, [building in place]) else AC_MSG_NOTICE([building out of tree srcdir:$srcdir]) fi # Checks for programs. # check stolen from gnulib/m4/gnu-make.m4 if ! ${MAKE-make} --version /cannot/make/this >/dev/null 2>&1; then AC_MSG_ERROR([you don't seem to have GNU make; it is required]) fi AC_PROG_CXX AM_CONDITIONAL(HAVE_GXX, [test "x$GXX" = xyes]) AC_PROG_AWK AC_PROG_CC AC_PROG_CPP AM_PROG_CC_C_O -AC_PROG_CC_C99 +m4_version_prereq([2.70], [:], [AC_PROG_CC_C99]) if test "x$ac_cv_prog_cc_c99" = "xno"; then AC_MSG_ERROR(["C99 support is required"]) fi AC_PROG_INSTALL AC_PROG_LN_S AC_PROG_MAKE_SET AC_CHECK_PROGS([PKGCONFIG], [pkg-config]) AC_CHECK_PROGS([DOXYGEN], [doxygen]) AM_CONDITIONAL(HAVE_DOXYGEN, test -n "${DOXYGEN}") AC_CHECK_TOOLS([NM], [eu-nm nm], [:]) AC_CHECK_TOOLS([READELF], [eu-readelf readelf], [:]) AM_PATH_PYTHON([2.6],, [:]) AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != :]) ## local helper functions # this function checks if CC support options passed as # args. Global CFLAGS are ignored during this test. cc_supports_flag() { BACKUP="$CPPFLAGS" CPPFLAGS="$CPPFLAGS $@ -Werror" AC_MSG_CHECKING([whether $CC supports "$@"]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])], [RC=0; AC_MSG_RESULT([yes])], [RC=1; AC_MSG_RESULT([no])]) CPPFLAGS="$BACKUP" return $RC } ## cleanup AC_MSG_NOTICE(Sanitizing prefix: ${prefix}) case $prefix in NONE) prefix=/usr/local;; esac AC_MSG_NOTICE(Sanitizing exec_prefix: ${exec_prefix}) case $exec_prefix in NONE) exec_prefix=$prefix;; prefix) exec_prefix=$prefix;; esac # Checks for libraries. AX_PTHREAD(,[AC_MSG_ERROR([POSIX threads support is required])]) AX_SAVE_FLAGS AC_SEARCH_LIBS([dlopen],[dl],,[AC_MSG_ERROR([cannot find dlopen() function])]) AC_SUBST([dlopen_LIBS],[$LIBS]) AX_RESTORE_FLAGS AX_SAVE_FLAGS AC_SEARCH_LIBS([socket], [socket],,[AC_MSG_ERROR([cannot find socket() function])]) AC_SUBST([socket_LIBS],[$LIBS]) AX_RESTORE_FLAGS AX_SAVE_FLAGS AC_SEARCH_LIBS([gethostbyname], [nsl],,[AC_MSG_ERROR([cannot find gethostbyname() function])]) AC_SUBST([nsl_LIBS],[$LIBS]) AX_RESTORE_FLAGS AX_SAVE_FLAGS AC_SEARCH_LIBS([clock_gettime], [rt],,[AC_MSG_ERROR([cannot find clock_gettime() function])]) AC_SUBST([rt_LIBS],[$LIBS]) AX_RESTORE_FLAGS USE_JOURNAL="no" PKG_CHECK_MODULES([SYSTEMD], [libsystemd], [have_systemd=yes],[have_systemd=no]) if test "x$enable_systemd_journal" = "xyes" ; then if test "x$have_systemd" = "xyes" ; then AC_DEFINE_UNQUOTED(USE_JOURNAL, 1, [Use systemd journal logging]) USE_JOURNAL="yes" else echo "systemd libraries not found, will just use syslog" fi fi # look for testing harness "check" PKG_CHECK_MODULES([CHECK], [check >= 0.9.4],[with_check=yes],[with_check=no]) AM_CONDITIONAL(HAVE_CHECK, test "${with_check}" = "yes") # look for GLIB (used for testing integration) PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.0, have_glib=yes, have_glib=no) AM_CONDITIONAL(HAVE_GLIB, test x$have_glib = xyes) AC_SUBST(GLIB_CFLAGS) AC_SUBST(GLIB_LIBS) if test x"$have_glib" = xyes; then AC_DEFINE_UNQUOTED([HAVE_GLIB], [1], [We have glib]) fi # For building doxygen2man and man pages PKG_CHECK_MODULES([libxml], [libxml-2.0]) # if we are not cross-compiling, we can use the locally built # version of doxygen2man, otherwise we can look for # a locally installed version. If neither are usable, then # don´t build the man pages if test "x$cross_compiling" = "xno"; then AM_CONDITIONAL([BUILD_MAN], [true]) DOXYGEN2MAN="\$(abs_builddir)/../doxygen2man/doxygen2man" else AC_CHECK_PROGS([DOXYGEN2MAN], [doxygen2man]) if test "x$DOXYGEN2MAN" = "x"; then AM_CONDITIONAL([BUILD_MAN], [false]) else AM_CONDITIONAL([BUILD_MAN], [true]) fi fi AC_SUBST(DOXYGEN2MAN) # Checks for header files. -AC_HEADER_STDC AC_HEADER_SYS_WAIT AC_CHECK_HEADERS([arpa/inet.h link.h fcntl.h inttypes.h limits.h netinet/in.h \ stdint.h stddef.h stdlib.h string.h strings.h \ dlfcn.h time.h sys/time.h sys/types.h sys/stat.h \ sys/param.h sys/socket.h sys/time.h sys/poll.h sys/epoll.h \ sys/uio.h sys/event.h sys/sockio.h sys/un.h sys/resource.h \ syslog.h errno.h unistd.h sys/mman.h \ sys/sem.h sys/ipc.h sys/msg.h netdb.h]) # Checks for typedefs, structures, and compiler characteristics. AC_TYPE_UID_T AC_C_INLINE AC_TYPE_INT32_T AC_TYPE_INT64_T AC_TYPE_INT8_T AC_TYPE_MODE_T AC_TYPE_PID_T AC_TYPE_SIZE_T AC_TYPE_SSIZE_T AC_TYPE_UINT64_T AC_TYPE_UINT32_T AC_TYPE_UINT16_T AC_TYPE_UINT8_T AC_CHECK_MEMBER([struct sockaddr_un.sun_len], [AC_DEFINE([HAVE_STRUCT_SOCKADDR_UN_SUN_LEN], 1, [Define to 1 if struct sockaddr_un has a member sun_len])], [], [#include ]) AC_MSG_CHECKING(looking for union semun in sys/sem.h) -AC_COMPILE_IFELSE([AC_LANG_PROGRAM( -[[#include +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include #include #include ]], [[union semun arg; semctl(0, 0, 0, arg);]])], [ AC_MSG_RESULT([yes]) AC_DEFINE_UNQUOTED([HAVE_SEMUN], 1, [Define to 1 if you have union semun.]) ], [ AC_MSG_RESULT([no]) ] ) # Checks for library functions AX_SAVE_FLAGS LIBS="$LIBS $rt_LIBS" AC_CHECK_FUNCS([clock_gettime]) AX_RESTORE_FLAGS AC_FUNC_CHOWN AC_FUNC_FORK AC_FUNC_MMAP AC_FUNC_STRERROR_R AC_CHECK_FUNCS([alarm fsync fdatasync ftruncate posix_fallocate \ gettimeofday localtime localtime_r \ memset munmap socket \ strchr strrchr strdup strstr strcasecmp \ poll epoll_create epoll_create1 kqueue \ random rand getrlimit sysconf \ getpeerucred getpeereid \ openat unlinkat]) AX_SAVE_FLAGS CFLAGS="$CFLAGS $PTHREAD_CFLAGS" LIBS="$LIBS $PTHREAD_LIBS" AC_CHECK_FUNCS([pthread_spin_lock pthread_setschedparam \ pthread_mutexattr_setpshared \ pthread_condattr_setpshared \ sem_timedwait semtimedop]) AX_RESTORE_FLAGS # Checks for defined macros AC_MSG_CHECKING(for MSG_NOSIGNAL) -AC_TRY_COMPILE([#include ], - [ int f = MSG_NOSIGNAL; ], +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], + [[ int f = MSG_NOSIGNAL; ]])], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Define this symbol if you have MSG_NOSIGNAL])], [ AC_MSG_RESULT(no)]) AC_MSG_CHECKING(for SO_NOSIGPIPE ) -AC_TRY_COMPILE([#include ], - [ int f = SO_NOSIGPIPE; ], +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], + [[ int f = SO_NOSIGPIPE; ]])], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_SO_NOSIGPIPE, 1, [Define this symbol if you have SO_NOSIGPIPE]) ], [ AC_MSG_RESULT(no)]) AC_MSG_CHECKING([for RTLD_NEXT]) -AC_TRY_COMPILE([#ifndef _GNU_SOURCE - #define _GNU_SOURCE - #endif - #include ], - [ void *h = RTLD_NEXT; ], +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifndef _GNU_SOURCE + #define _GNU_SOURCE + #endif + #include ]], + [[ void *h = RTLD_NEXT; ]])], [ AC_MSG_RESULT([yes]) AC_DEFINE([HAVE_FAILURE_INJECTION], 1, [have failure injection]) have_RTLD_NEXT=yes ], [ AC_MSG_RESULT([no])]) AM_CONDITIONAL(HAVE_SEM_TIMEDWAIT, [test "x$ac_cv_func_sem_timedwait" = xyes]) AM_CONDITIONAL(HAVE_EPOLL, [test "x$ac_cv_func_epoll_create" = xyes]) AM_CONDITIONAL(HAVE_POLL, [test "x$ac_cv_func_poll" = xyes]) AM_CONDITIONAL(HAVE_KQUEUE, [test "x$ac_cv_func_kqueue" = xyes]) AM_CONDITIONAL(HAVE_FAILURE_INJECTION, [test "x$have_RTLD_NEXT" = xyes]) AC_CONFIG_LIBOBJ_DIR(lib) AC_REPLACE_FUNCS(strlcpy strlcat strchrnul) ## local defines PACKAGE_FEATURES="" if test x$ac_cv_func_epoll_create = xyes; then PACKAGE_FEATURES="$PACKAGE_FEATURES epoll" fi nongcc_memory_barrier_needed=no arch_force_shmlba=no file_sync=fdatasync AC_MSG_CHECKING([for architecture in ${host_cpu}]) case $host_cpu in sparc*) AC_MSG_RESULT([sparc]) AC_DEFINE_UNQUOTED([QB_ARCH_SPARC], [1], [sparc]) nongcc_memory_barrier_needed=yes arch_force_shmlba=yes ;; alpha*) AC_MSG_RESULT([alpha]) AC_DEFINE_UNQUOTED([QB_ARCH_ALPHA], [1], [alpha]) nongcc_memory_barrier_needed=yes ;; powerpc*) AC_MSG_RESULT([powerpc]) AC_DEFINE_UNQUOTED([QB_ARCH_POWERPC], [1], [powerpc]) nongcc_memory_barrier_needed=yes arch_force_shmlba=yes ;; ia64) AC_MSG_RESULT([ia64]) AC_DEFINE_UNQUOTED([QB_ARCH_IA64], [1], [ia64]) nongcc_memory_barrier_needed=yes ;; arm*) AC_MSG_RESULT([arm]) AC_DEFINE_UNQUOTED([QB_ARCH_ARM], [1], [arm]) arch_force_shmlba=yes ;; hppa*) AC_MSG_RESULT([hppa]) AC_DEFINE_UNQUOTED([QB_ARCH_HPPA], [1], [hppa]) ;; mips*) AC_MSG_RESULT([ia64]) AC_DEFINE_UNQUOTED([QB_ARCH_MIPS], [1], [mips]) arch_force_shmlba=yes ;; *) AC_MSG_RESULT([${host_cpu}]) ;; esac if test $arch_force_shmlba = yes; then AC_DEFINE_UNQUOTED([QB_FORCE_SHM_ALIGN], [1], [shared and fixed mmap must align on 16k]) fi # OS detection # THIS SECTION MUST DIE! CP=cp AC_MSG_CHECKING([for os in ${host_os}]) case "$host_os" in *linux*) AC_DEFINE_UNQUOTED([QB_LINUX], [1], [Compiling for Linux platform]) AC_MSG_RESULT([Linux]) ;; *cygwin*) AC_DEFINE_UNQUOTED([QB_CYGWIN], [1], [Compiling for Cygwin platform]) nongcc_memory_barrier_needed=yes gcc_has_builtin_sync_operations=no AC_MSG_RESULT([Cygwin]) ;; darwin*) AC_DEFINE_UNQUOTED([QB_DARWIN], [1], [Compiling for Darwin platform]) CP=rsync dnl Attribute section appears to work here but fails later with: dnl cc1: error in backend: Global variable 'descriptor.4902' dnl has an invalid section specifier '__verbose': mach-o dnl section specifier requires a segment and section dnl separated by a comma AC_DEFINE_UNQUOTED([DISABLE_POSIX_THREAD_PROCESS_SHARED], [1], [Disable _POSIX_THREAD_PROCESS_SHARED]) AC_MSG_RESULT([Darwin]) ;; *bsd*) AC_DEFINE_UNQUOTED([QB_BSD], [1], [Compiling for BSD platform]) case "$host_os" in *netbsd*) AC_DEFINE_UNQUOTED([UNIX_PATH_MAX], [103], [Unix path length]) ;; *openbsd*) AC_DEFINE_UNQUOTED([UNIX_PATH_MAX], [104], [Unix path length]) ;; esac AC_MSG_RESULT([BSD]) ;; *solaris*) AC_DEFINE_UNQUOTED(DISABLE_IPC_SHM, 1, [Disable shared mem ipc]) AC_DEFINE_UNQUOTED([QB_SOLARIS], [1], [Compiling for Solaris platform]) CP=rsync AC_MSG_RESULT([Solaris]) ;; *gnu*) AC_DEFINE_UNQUOTED([QB_GNU], [1], [Compiling for GNU/Hurd platform]) AC_MSG_RESULT([GNU]) ;; *) AC_MSG_ERROR([Unsupported OS? hmmmm]) ;; esac dnl break on first hit, fallthrough otherwise, until empty or unsupported dnl string reached; output QB_FILE_SYNC macro operates on a file descriptor while : ; do case ${file_sync} in fdatasync) test "x${ac_cv_func_fdatasync}" = "xno" || break file_sync=fsync;; fsync) test "x${ac_cv_func_fsync}" = "xno" || break file_sync=;; "") break;; *) AC_MSG_ERROR([Cannot select file sync method]);; esac done if test "x${file_sync}" != x; then AC_DEFINE_UNQUOTED([QB_FILE_SYNC(fd)], [${file_sync}(fd)], [File sync method]) else AC_MSG_WARN([No file sync method applicable!]) AC_DEFINE([QB_FILE_SYNC(x)], [], [File sync method]) fi AC_MSG_CHECKING([whether GCC supports builtin sync intrinsics]) if test -z "$gcc_has_builtin_sync_operations"; then gcc_has_builtin_sync_operations=no if test x"$GCC" = xyes && test x$have_mingw != xyes; then - AC_TRY_LINK([], - [int i; + AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], + [[int i; __sync_synchronize (); __sync_bool_compare_and_swap (&i, 0, 1); __sync_fetch_and_add (&i, 1); - ], + ]])], [gcc_has_builtin_sync_operations=yes], [gcc_has_builtin_sync_operations=no]) fi fi AC_MSG_RESULT($gcc_has_builtin_sync_operations) AM_CONDITIONAL(HAVE_GCC_BUILTINS_FOR_SYNC_OPERATIONS, [test "x$gcc_has_builtin_sync_operations" = xyes]) if test "x$gcc_has_builtin_sync_operations" = xyes; then AC_DEFINE_UNQUOTED(HAVE_GCC_BUILTINS_FOR_SYNC_OPERATIONS, 1, [have builtin sync operations]) fi # __atomic_XXX AC_MSG_CHECKING([whether GCC supports builtin atomic intrinsics]) if test -z "$gcc_has_builtin_atomic_operations"; then gcc_has_builtin_atomic_operations=no if test x"$GCC" = xyes && test x$have_mingw != xyes; then - AC_TRY_LINK([], - [int i; + AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], + [[int i; __atomic_load_n(&i, __ATOMIC_ACQUIRE); __atomic_exchange_n(&i, 0, __ATOMIC_RELEASE); - ], + ]])], [gcc_has_builtin_atomic_operations=yes], [gcc_has_builtin_atomic_operations=no]) fi fi AC_MSG_RESULT($gcc_has_builtin_atomic_operations) AM_CONDITIONAL(HAVE_GCC_BUILTINS_FOR_ATOMIC_OPERATIONS, [test "x$gcc_has_builtin_atomic_operations" = xyes]) if test "x$gcc_has_builtin_atomic_operations" = xyes; then AC_DEFINE_UNQUOTED(HAVE_GCC_BUILTINS_FOR_ATOMIC_OPERATIONS, 1, [have builtin atomic operations]) fi AC_MSG_CHECKING([whether atomics need memory barrier]) if test -n "$ac_cv_atomic_need_memory_barrier"; then memory_barrier_needed=$ac_cv_atomic_need_memory_barrier else if test x$gcc_has_builtin_sync_operations = xyes; then memory_barrier_needed=yes PACKAGE_FEATURES="$PACKAGE_FEATURES gcc__sync" else memory_barrier_needed=$nongcc_memory_barrier_needed AC_MSG_WARN([-----------------------------]) AC_MSG_WARN([You have gcc but not __sync_bool_compare_and_swap]) AC_MSG_WARN([try CFLAGS="-march= -mtune=native" ./configure]) AC_MSG_WARN([-----------------------------]) fi fi AC_MSG_RESULT($memory_barrier_needed) if test x"$memory_barrier_needed" != xno; then AC_DEFINE_UNQUOTED(QB_ATOMIC_OP_MEMORY_BARRIER_NEEDED, 1, [need atomic memory barrier]) fi LINT_FLAGS="-weak -D__gnuc_va_list=va_list -D__attribute\(x\)= \ -badflag -fcnuse -syntax -unrecog -sysunrecog -warnposix \ +ignoresigns +matchanyintegral +posixlib \ +showscan +showsummary" # local options AC_ARG_ENABLE([ansi], [AS_HELP_STRING([--enable-ansi],[force to build with ANSI standards])]) AC_ARG_ENABLE([fatal-warnings], [AS_HELP_STRING([--enable-fatal-warnings],[enable fatal warnings])]) AC_ARG_ENABLE([debug], [AS_HELP_STRING([--enable-debug],[enable debug build])]) AC_ARG_WITH([sanitizers], [AS_HELP_STRING([--with-sanitizers=...,...], [enable SANitizer build, do *NOT* use for production. Only ASAN/UBSAN/TSAN are currently supported])], [ SANITIZERS="$withval" ], [ SANITIZERS="" ]) AC_ARG_ENABLE([coverage], [AS_HELP_STRING([--enable-coverage],[coverage analysis of the codebase])]) AC_ARG_ENABLE([interlib-deps], [AS_HELP_STRING([--disable-interlib-deps], [disable inter-library dependencies (might break builds)])]) AC_ARG_ENABLE([slow-tests], [AS_HELP_STRING([--enable-slow-tests],[build and run slow tests])]) AC_ARG_WITH([socket-dir], [AS_HELP_STRING([--with-socket-dir=DIR],[socket directory @<:@LOCALSTATEDIR/run@:>@])], [ SOCKETDIR="$withval" ], [ SOCKETDIR="$localstatedir/run" ]) AC_ARG_ENABLE([systemd-journal], [AS_HELP_STRING([--enable-systemd-journal],[Allow use of systemd journal instead of syslog])]) AC_ARG_WITH([force-sockets-config-file], [AS_HELP_STRING([--with-force-sockets-config-file=FILE],[config file to force IPC to use filesystem sockets (Linux & Cygwin only) @<:@SYSCONFDIR/libqb/force-filesystem-sockets@:>@])], [ FORCESOCKETSFILE="$withval" ], [ FORCESOCKETSFILE="$sysconfdir/libqb/force-filesystem-sockets" ]) AC_ARG_ENABLE([install-tests], [AS_HELP_STRING([--enable-install-tests],[install tests])],, [ enable_install_tests="no" ]) AM_CONDITIONAL([INSTALL_TESTS], [test x$enable_install_tests = xyes]) AC_ARG_WITH([testdir], [AS_HELP_STRING([--with-testdir=DIR],[path to /usr/lib../libqb/tests/ dir where to install the test suite])], [ TESTDIR="$withval" ], [ TESTDIR="$libdir/libqb/tests" ]) AC_SUBST([TESTDIR]) AC_SUBST(CP) # *FLAGS handling goes here ENV_CFLAGS="$CFLAGS" ENV_CPPFLAGS="$CPPFLAGS" ENV_LDFLAGS="$LDFLAGS" # debug build stuff if test "x${enable_debug}" = xyes; then AC_DEFINE_UNQUOTED([DEBUG], [1], [Compiling Debugging code]) OPT_CFLAGS="-O0" if test "x${GCC}" = xyes; then GDB_FLAGS="-ggdb3" else GDB_FLAGS="-g" fi PACKAGE_FEATURES="$PACKAGE_FEATURES debug" fi # extra warnings EXTRA_WARNINGS="" WARNLIST=" all extra unused shadow missing-prototypes missing-declarations suggest-attribute=noreturn suggest-attribute=format property-attribute-mismatch strict-prototypes pointer-arith write-strings cast-align bad-function-cast missing-format-attribute float-equal format=2 format-signedness shift-overflow shift-overflow=2 overlength-strings redundent-decls init-self uninitialized unknown-pragmas no-unused-parameter unused-const-variable no-format-nonliteral no-format-truncation no-sign-compare " # at least no-sign-compare assumed temporary! for j in $WARNLIST; do if cc_supports_flag -W$j; then EXTRA_WARNINGS="$EXTRA_WARNINGS -W$j"; fi done # warnings suppression gcc_format_complaints=no if test x"$GCC" = xyes && cc_supports_flag -Wmissing-format-attribute; then gcc_format_complaints=yes AC_DEFINE([HAVE_GCC_MISSING_FORMAT_ATTRIBUTE], [], [gcc supports -Wmissing-format-attribute]) fi if test x"$GCC" = xyes && cc_supports_flag -Wsuggest-attribute=format; then gcc_format_complaints=yes AC_DEFINE([HAVE_GCC_SUGGEST_ATTRIBUTE_FORMAT], [], [gcc supports -Wsuggest-attribute=format]) fi dnl pretend GCC (<4.6) is not capable of format complaints when it does not dnl support diagnostic push/pop pragmas (cannot track state reliably, then) if test x"$gcc_format_complaints" = xyes; then backup_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #pragma GCC diagnostic push #pragma GCC diagnostic pop ]])], AC_DEFINE([HAVE_GCC_FORMAT_COMPLAINTS], [], [gcc can complain about missing format attribute])) CFLAGS="$backup_CFLAGS" fi # --- coverage --- if test "x${enable_coverage}" = xyes && \ cc_supports_flag -ftest-coverage && \ cc_supports_flag -fprofile-arcs ; then AC_MSG_NOTICE([Enabling Coverage (enable -O0 by default)]) OPT_CFLAGS="-O0" COVERAGE_CFLAGS="-ftest-coverage -fprofile-arcs" COVERAGE_LDFLAGS="-ftest-coverage -fprofile-arcs" PACKAGE_FEATURES="$PACKAGE_FEATURES coverage" else COVERAGE_CFLAGS="" COVERAGE_LDFLAGS="" fi # --- inter-library dependencies --- # because of debian/ubuntu swimming against the stream # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=702737, # override the libtool variable by force because the current # arrangement relies on transitive dependency propagation AC_MSG_NOTICE([Enabling inter-library dependencies: $enable_interlib_deps]) if test "x${enable_interlib_deps}" = xno; then link_all_deplibs=no else link_all_deplibs=yes fi # --- slow tests --- if test "x${enable_slow_tests}" = xyes ; then AC_DEFINE([HAVE_SLOW_TESTS], 1,[have slow tests]) AC_MSG_NOTICE([Enabling Slow tests]) fi AM_CONDITIONAL(HAVE_SLOW_TESTS, [test "x${enable_slow_tests}" = xyes]) AC_SUBST(HAVE_SLOW_TESTS) # --- ansi --- if test "x${enable_ansi}" = xyes && \ cc_supports_flag -std=iso9899:199409 ; then AC_MSG_NOTICE([Enabling ANSI Compatibility]) ANSI_CPPFLAGS="-ansi -D_GNU_SOURCE -DANSI_ONLY" PACKAGE_FEATURES="$PACKAGE_FEATURES ansi" else ANSI_CPPFLAGS="" fi # --- fatal warnings --- if test "x${enable_fatal_warnings}" = xyes && \ cc_supports_flag -Werror ; then AC_MSG_NOTICE([Enabling Fatal Warnings (-Werror)]) WERROR_CFLAGS="-Werror" PACKAGE_FEATURES="$PACKAGE_FEATURES fatal-warnings" else WERROR_CFLAGS="" fi # --- ASAN/UBSAN/TSAN (see man gcc) --- # when using SANitizers, we need to pass the -fsanitize.. # to both CFLAGS and LDFLAGS. The CFLAGS/LDFLAGS must be # specified as first in the list or there will be runtime # issues (for example user has to LD_PRELOAD asan for it to work # properly). if test -n "${SANITIZERS}"; then SANITIZERS=$(echo $SANITIZERS | sed -e 's/,/ /g') for SANITIZER in $SANITIZERS; do case $SANITIZER in asan|ASAN) SANITIZERS_CFLAGS="$SANITIZERS_CFLAGS -fsanitize=address" SANITIZERS_LDFLAGS="$SANITIZERS_LDFLAGS -fsanitize=address -lasan" AC_CHECK_LIB([asan],[main],,AC_MSG_ERROR([Unable to find libasan])) ;; ubsan|UBSAN) SANITIZERS_CFLAGS="$SANITIZERS_CFLAGS -fsanitize=undefined" SANITIZERS_LDFLAGS="$SANITIZERS_LDFLAGS -fsanitize=undefined -lubsan" AC_CHECK_LIB([ubsan],[main],,AC_MSG_ERROR([Unable to find libubsan])) ;; tsan|TSAN) SANITIZERS_CFLAGS="$SANITIZERS_CFLAGS -fsanitize=thread" SANITIZERS_LDFLAGS="$SANITIZERS_LDFLAGS -fsanitize=thread -ltsan" AC_CHECK_LIB([tsan],[main],,AC_MSG_ERROR([Unable to find libtsan])) ;; esac done fi # final build of *FLAGS CFLAGS="$SANITIZERS_CFLAGS $ENV_CFLAGS $OPT_CFLAGS $GDB_FLAGS \ $COVERAGE_CFLAGS $EXTRA_WARNINGS $WERROR_CFLAGS" CPPFLAGS="$ENV_CPPFLAGS $ANSI_CPPFLAGS" LDFLAGS="$SANITIZERS_LDFLAGS $ENV_LDFLAGS $COVERAGE_LDFLAGS" if test -f /usr/share/dict/words ; then HAVE_DICT_WORDS=yes AC_DEFINE([HAVE_DICT_WORDS], 1, "Have /usr/share/dict/words") fi AM_CONDITIONAL([HAVE_DICT_WORDS], [test "x$HAVE_DICT_WORDS" = xyes]) # substitute what we need: AC_SUBST([SOCKETDIR]) AC_SUBST([LINT_FLAGS]) AC_SUBST([FORCESOCKETSFILE]) AC_DEFINE_UNQUOTED([SOCKETDIR], "$(eval echo ${SOCKETDIR})", [Socket directory]) AC_DEFINE_UNQUOTED([LOCALSTATEDIR], "$(eval echo ${localstatedir})", [localstate directory]) AC_DEFINE_UNQUOTED([PACKAGE_FEATURES], "${PACKAGE_FEATURES}", [quarterback built-in features]) AC_DEFINE_UNQUOTED([FORCESOCKETSFILE], "$(eval echo ${FORCESOCKETSFILE})", [for sockets config file]) # version parsing (for qbconfig.h) AC_DEFINE_UNQUOTED([QB_VER_MAJOR], [$(echo "${VERSION}" \ | sed -e 's|^\([[0-9]][[0-9]]*\).*|\1|' \ -e t -e 's|.*|1|')], [libqb major version]) AC_DEFINE_UNQUOTED([QB_VER_MINOR], [$(echo "${VERSION}" \ | sed -e 's|^[[0-9]][[0-9]]*\.\([[0-9]][[0-9]]*\).*|\1|' \ -e t -e 's|.*|0|')], [libqb minor version]) AC_DEFINE_UNQUOTED([QB_VER_MICRO], [$(echo "${VERSION}" \ | sed -e 's|^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.\([[0-9]][[0-9]]*\).*|\1|' \ -e t -e 's|.*|0|')], [libqb patch version]) AC_DEFINE_UNQUOTED([QB_VER_REST], [$(echo "${VERSION}" \ | sed -e 's|^[[0-9]][[0-9]]*\(\.[[0-9]][[0-9]]*\)\{0,2\}\(.*\)|"\2"|' \ -e t -e 's|.*|""|')], [libqb patch version]) AX_PROG_DATE AS_IF([test "$ax_cv_prog_date_gnu_date:$ax_cv_prog_date_gnu_utc" = yes:yes], [UTC_DATE_AT="date -u -d@"], [AS_IF([test "x$ax_cv_prog_date_bsd_date" = xyes], [UTC_DATE_AT="date -u -r"], [AC_MSG_ERROR([date utility unable to convert epoch to UTC])])]) AC_SUBST([UTC_DATE_AT]) AC_ARG_VAR([SOURCE_EPOCH],[last modification date of the source]) AC_MSG_NOTICE([trying to determine source epoch]) AC_MSG_CHECKING([for source epoch in \$SOURCE_EPOCH]) AS_IF([test -n "$SOURCE_EPOCH"], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]) AC_MSG_CHECKING([for source epoch in source_epoch file]) AS_IF([test -e "$srcdir/source_epoch"], [read SOURCE_EPOCH <"$srcdir/source_epoch" AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]) AC_MSG_CHECKING([for source epoch baked in by gitattributes export-subst]) SOURCE_EPOCH='$Format:%ct$' # template for rewriting by git-archive AS_CASE([$SOURCE_EPOCH], [?Format:*], # was not rewritten [AC_MSG_RESULT([no]) AC_MSG_CHECKING([for source epoch in \$SOURCE_DATE_EPOCH]) AS_IF([test "x$SOURCE_DATE_EPOCH" != x], [SOURCE_EPOCH="$SOURCE_DATE_EPOCH" AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]) AC_MSG_CHECKING([whether git log can provide a source epoch]) SOURCE_EPOCH=f${SOURCE_EPOCH#\$F} # convert into git log --pretty format SOURCE_EPOCH=$(cd "$srcdir" && git log -1 --pretty=${SOURCE_EPOCH%$} 2>/dev/null) AS_IF([test -n "$SOURCE_EPOCH"], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no, using current time and breaking reproducibility]) SOURCE_EPOCH=$(date +%s)])])], [AC_MSG_RESULT([yes])] )]) ]) AC_MSG_NOTICE([using source epoch $($UTC_DATE_AT$SOURCE_EPOCH +'%F %T %Z')]) AC_CONFIG_FILES([Makefile include/Makefile include/qb/Makefile lib/Makefile lib/libqb.pc tools/Makefile tests/Makefile tests/test.conf examples/Makefile doxygen2man/Makefile docs/Makefile docs/man.dox lib/qblog_script.la:lib/qblog_script.la.in]) AC_OUTPUT AC_MSG_RESULT([]) AC_MSG_RESULT([$PACKAGE configuration:]) AC_MSG_RESULT([ Version = ${VERSION}]) AC_MSG_RESULT([ Prefix = ${prefix}]) AC_MSG_RESULT([ Executables = ${sbindir}]) AC_MSG_RESULT([ Man pages = ${mandir}]) AC_MSG_RESULT([ Doc dir = ${docdir}]) AC_MSG_RESULT([ Libraries = ${libdir}]) AC_MSG_RESULT([ Header files = ${includedir}]) AC_MSG_RESULT([ Arch-independent files = ${datadir}]) AC_MSG_RESULT([ State information = ${localstatedir}]) AC_MSG_RESULT([ System configuration = ${sysconfdir}]) AC_MSG_RESULT([ SOCKETDIR = ${SOCKETDIR}]) AC_MSG_RESULT([ Features = ${PACKAGE_FEATURES}]) AC_MSG_RESULT([ Use systemd journal = ${USE_JOURNAL}]) AC_MSG_RESULT([]) AC_MSG_RESULT([$PACKAGE build info:]) AC_MSG_RESULT([ Optimization = ${OPT_CFLAGS}]) AC_MSG_RESULT([ Debug options = ${GDB_CFLAGS}]) AC_MSG_RESULT([ Extra compiler warnings = ${EXTRA_WARNING}]) AC_MSG_RESULT([ Env. defined CFLAG = ${ENV_CFLAGS}]) AC_MSG_RESULT([ Env. defined CPPFLAGS = ${ENV_CPPFLAGS}]) AC_MSG_RESULT([ Env. defined LDFLAGS = ${ENV_LDFLAGS}]) AC_MSG_RESULT([ ANSI defined CPPFLAGS = ${ANSI_CPPFLAGS}]) AC_MSG_RESULT([ Coverage CFLAGS = ${COVERAGE_CFLAGS}]) AC_MSG_RESULT([ Coverage LDFLAGS = ${COVERAGE_LDFLAGS}]) AC_MSG_RESULT([ Fatal War. CFLAGS = ${WERROR_CFLAGS}]) AC_MSG_RESULT([ Final CFLAGS = ${CFLAGS}]) AC_MSG_RESULT([ Final CPPFLAGS = ${CPPFLAGS}]) AC_MSG_RESULT([ Final LDFLAGS = ${LDFLAGS}])