| # Process this file with autoreconf to produce a configure script. |
| |
| AC_INIT(package-unused, version-unused,, libstdc++) |
| AC_CONFIG_SRCDIR(src/shared/hashtable-aux.cc) |
| AC_CONFIG_HEADER(config.h) |
| |
| # This works around the fact that libtool configuration may change LD |
| # for this particular configuration, but some shells, instead of |
| # keeping the changes in LD private, export them just because LD is |
| # exported. Only used at the end of this file. |
| ### am handles this now? ORIGINAL_LD_FOR_MULTILIBS=$LD |
| |
| # Find the rest of the source tree framework. |
| AM_ENABLE_MULTILIB(, ..) |
| |
| # Gets build, host, target, *_vendor, *_cpu, *_os, etc. |
| # |
| # You will slowly go insane if you do not grok the following fact: when |
| # building v3 as part of the compiler, the top-level /target/ becomes the |
| # library's /host/. configure then causes --target to default to --host, |
| # exactly like any other package using autoconf. Therefore, 'target' and |
| # 'host' will always be the same. This makes sense both for native and |
| # cross compilers, just think about it for a little while. :-) |
| # |
| # Also, if v3 is being configured as part of a cross compiler, the top-level |
| # configure script will pass the "real" host as $with_cross_host. |
| # |
| # Do not delete or change the following two lines. For why, see |
| # http://gcc.gnu.org/ml/libstdc++/2003-07/msg00451.html |
| AC_CANONICAL_SYSTEM |
| target_alias=${target_alias-$host_alias} |
| |
| # Handy for debugging: |
| #AC_MSG_NOTICE($build / $host / $target / $host_alias / $target_alias); sleep 5 |
| |
| if test "$build" != "$host"; then |
| # We are being configured with some form of cross compiler. |
| GLIBCXX_IS_NATIVE=false |
| case "$host","$target" in |
| # Darwin crosses can use the host system's libraries and headers, |
| # because of the fat library support. Of course, it must be the |
| # same version of Darwin on both sides. Allow the user to |
| # just say --target=foo-darwin without a version number to mean |
| # "the version on this system". |
| *-*-darwin*,*-*-darwin*) |
| hostos=`echo $host | sed 's/.*-darwin/darwin/'` |
| targetos=`echo $target | sed 's/.*-darwin/darwin/'` |
| if test $hostos = $targetos -o $targetos = darwin ; then |
| GLIBCXX_IS_NATIVE=true |
| fi |
| ;; |
| |
| *) |
| GCC_NO_EXECUTABLES |
| ;; |
| esac |
| else |
| GLIBCXX_IS_NATIVE=true |
| fi |
| |
| # Sets up automake. Must come after AC_CANONICAL_SYSTEM. Each of the |
| # following is magically included in AUTOMAKE_OPTIONS in each Makefile.am. |
| # 1.x: minimum required version |
| # no-define: PACKAGE and VERSION will not be #define'd in config.h (a bunch |
| # of other PACKAGE_* variables will, however, and there's nothing |
| # we can do about that; they come from AC_INIT). |
| # foreign: we don't follow the normal rules for GNU packages (no COPYING |
| # file in the top srcdir, etc, etc), so stop complaining. |
| # no-dependencies: turns off auto dependency generation (just for now) |
| # no-dist: we don't want 'dist' and related rules. |
| # -Wall: turns on all automake warnings... |
| # -Wno-portability: ...except this one, since GNU make is now required. |
| AM_INIT_AUTOMAKE([1.9.3 no-define foreign no-dependencies no-dist -Wall -Wno-portability -Wno-override]) |
| AH_TEMPLATE(PACKAGE, [Name of package]) |
| AH_TEMPLATE(VERSION, [Version number of package]) |
| |
| # -fno-builtin must be present here so that a non-conflicting form of |
| # std::exit can be guessed by AC_PROG_CXX, and used in later tests. |
| |
| save_CXXFLAGS="$CXXFLAGS" |
| CXXFLAGS="$CXXFLAGS -fno-builtin" |
| AC_PROG_CC |
| AC_PROG_CXX |
| CXXFLAGS="$save_CXXFLAGS" |
| |
| AC_SYS_LARGEFILE |
| |
| # Runs configure.host, and assorted other critical bits. Sets |
| # up critical shell variables. |
| GLIBCXX_CONFIGURE |
| |
| # Libtool setup. |
| if test "x${with_newlib}" != "xyes" && |
| test "x${with_avrlibc}" != "xyes" && |
| test "x$with_headers" != "xno"; then |
| AC_LIBTOOL_DLOPEN |
| fi |
| AM_PROG_LIBTOOL |
| ACX_LT_HOST_FLAGS |
| AC_SUBST(enable_shared) |
| AC_SUBST(enable_static) |
| |
| if test "$enable_vtable_verify" = yes; then |
| predep_objects_CXX="${predep_objects_CXX} ${glibcxx_builddir}/../libgcc/vtv_start.o" |
| postdep_objects_CXX="${postdep_objects_CXX} ${glibcxx_builddir}/../libgcc/vtv_end.o" |
| fi |
| |
| |
| # libtool variables for C++ shared and position-independent compiles. |
| # |
| # Use glibcxx_lt_pic_flag to designate the automake variable |
| # used to encapsulate the default libtool approach to creating objects |
| # with position-independent code. Default: -prefer-pic. |
| # |
| # Use glibcxx_compiler_shared_flag to designate a compile-time flags for |
| # creating shared objects. Default: -D_GLIBCXX_SHARED. |
| # |
| # Use glibcxx_compiler_pic_flag to designate a compile-time flags for |
| # creating position-independent objects. This varies with the target |
| # hardware and operating system, but is often: -DPIC -fPIC. |
| if test "$enable_shared" = yes; then |
| glibcxx_lt_pic_flag="-prefer-pic" |
| glibcxx_compiler_pic_flag="$lt_prog_compiler_pic_CXX" |
| glibcxx_compiler_shared_flag="-D_GLIBCXX_SHARED" |
| |
| else |
| glibcxx_lt_pic_flag= |
| glibcxx_compiler_pic_flag= |
| glibcxx_compiler_shared_flag= |
| fi |
| AC_SUBST(glibcxx_lt_pic_flag) |
| AC_SUBST(glibcxx_compiler_pic_flag) |
| AC_SUBST(glibcxx_compiler_shared_flag) |
| |
| # Override the libtool's pic_flag and pic_mode. |
| # Do this step after AM_PROG_LIBTOOL, but before AC_OUTPUT. |
| # NB: this impacts --with-pic and --without-pic. |
| lt_prog_compiler_pic_CXX="$glibcxx_compiler_pic_flag $glibcxx_compiler_shared_flag" |
| pic_mode='default' |
| |
| # Eliminate -lstdc++ addition to postdeps for cross compiles. |
| postdeps_CXX=`echo " $postdeps_CXX " | sed 's, -lstdc++ ,,g'` |
| |
| # Possibly disable most of the library. |
| ## TODO: Consider skipping unncessary tests altogether in this case, rather |
| ## than just ignoring the results. Faster /and/ more correct, win win. |
| GLIBCXX_ENABLE_HOSTED |
| |
| # Enable descriptive messages to standard output on termination. |
| GLIBCXX_ENABLE_VERBOSE |
| |
| # Enable compiler support that doesn't require linking. |
| GLIBCXX_ENABLE_PCH($is_hosted) |
| GLIBCXX_ENABLE_THREADS |
| GLIBCXX_ENABLE_ATOMIC_BUILTINS |
| GLIBCXX_ENABLE_LOCK_POLICY |
| GLIBCXX_ENABLE_DECIMAL_FLOAT |
| GLIBCXX_ENABLE_FLOAT128 |
| if test "$enable_float128" = yes; then |
| port_specific_symbol_files="$port_specific_symbol_files \$(top_srcdir)/config/abi/pre/float128.ver" |
| fi |
| |
| # Checks for compiler support that doesn't require linking. |
| GLIBCXX_CHECK_COMPILER_FEATURES |
| |
| # Enable all the variable C++ runtime options that don't require linking. |
| GLIBCXX_ENABLE_CSTDIO |
| GLIBCXX_ENABLE_CLOCALE |
| GLIBCXX_ENABLE_ALLOCATOR |
| GLIBCXX_ENABLE_CHEADERS($c_model) dnl c_model from configure.host |
| GLIBCXX_ENABLE_LONG_LONG([yes]) |
| GLIBCXX_ENABLE_WCHAR_T([yes]) |
| GLIBCXX_ENABLE_C99([yes]) |
| GLIBCXX_ENABLE_CONCEPT_CHECKS([no]) |
| GLIBCXX_ENABLE_DEBUG_FLAGS(["-g3 -O0 -D_GLIBCXX_ASSERTIONS"]) |
| GLIBCXX_ENABLE_DEBUG([no]) |
| GLIBCXX_ENABLE_PARALLEL([yes]) |
| GLIBCXX_ENABLE_CXX_FLAGS |
| GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING([no]) |
| GLIBCXX_ENABLE_EXTERN_TEMPLATE([yes]) |
| GLIBCXX_ENABLE_PYTHON |
| GLIBCXX_ENABLE_WERROR([no]) |
| GLIBCXX_ENABLE_VTABLE_VERIFY([no]) |
| |
| # Checks for operating systems support that doesn't require linking. |
| GLIBCXX_CHECK_STDIO_PROTO |
| GLIBCXX_CHECK_MATH11_PROTO |
| GLIBCXX_CHECK_UCHAR_H |
| |
| # For LFS support. |
| GLIBCXX_CHECK_LFS |
| |
| # For showmanyc_helper(). |
| AC_CHECK_HEADERS(sys/ioctl.h sys/filio.h) |
| GLIBCXX_CHECK_POLL |
| GLIBCXX_CHECK_S_ISREG_OR_S_IFREG |
| |
| # For xsputn_2(). |
| AC_CHECK_HEADERS(sys/uio.h) |
| GLIBCXX_CHECK_WRITEV |
| |
| # Check for fenv.h and complex.h before GLIBCXX_CHECK_C99_TR1 |
| # so that the check is done with the C compiler (not C++). |
| # Checking with C++ can break a canadian cross build if either |
| # file does not exist in C but does in C++. |
| AC_CHECK_HEADERS(fenv.h complex.h) |
| |
| # For C99 support to TR1. |
| GLIBCXX_CHECK_C99_TR1 |
| |
| # For the EOF, SEEK_CUR, and SEEK_END integer constants. |
| GLIBCXX_COMPUTE_STDIO_INTEGER_CONSTANTS |
| |
| # For gettimeofday support. |
| GLIBCXX_CHECK_GETTIMEOFDAY |
| |
| # For clock_gettime, nanosleep and sched_yield support. |
| GLIBCXX_ENABLE_LIBSTDCXX_TIME |
| |
| # Check for tmpnam which is obsolescent in POSIX.1-2008 |
| GLIBCXX_CHECK_TMPNAM |
| |
| # For pthread_cond_clockwait |
| GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT |
| |
| # For pthread_mutex_clocklock |
| GLIBCXX_CHECK_PTHREAD_MUTEX_CLOCKLOCK |
| |
| # For pthread_rwlock_clockrdlock and pthread_rwlock_clockwrlock |
| GLIBCXX_CHECK_PTHREAD_RWLOCK_CLOCKLOCK |
| |
| AC_LC_MESSAGES |
| |
| # For hardware_concurrency |
| AC_CHECK_HEADERS(sys/sysinfo.h) |
| GLIBCXX_CHECK_GET_NPROCS |
| AC_CHECK_HEADERS(unistd.h) |
| GLIBCXX_CHECK_SC_NPROCESSORS_ONLN |
| GLIBCXX_CHECK_SC_NPROC_ONLN |
| GLIBCXX_CHECK_PTHREADS_NUM_PROCESSORS_NP |
| GLIBCXX_CHECK_SYSCTL_HW_NCPU |
| GLIBCXX_CHECK_SDT_H |
| |
| # Check for available headers. |
| AC_CHECK_HEADERS([endian.h execinfo.h float.h fp.h ieeefp.h inttypes.h \ |
| locale.h machine/endian.h machine/param.h nan.h stdint.h stdlib.h string.h \ |
| strings.h sys/ipc.h sys/isa_defs.h sys/machine.h sys/param.h \ |
| sys/resource.h sys/sem.h sys/stat.h sys/time.h sys/types.h unistd.h \ |
| wchar.h wctype.h linux/types.h]) |
| |
| AC_CHECK_HEADERS([linux/random.h], [], [], |
| [[#ifdef HAVE_LINUX_TYPES_H |
| # include <linux/types.h> |
| #endif |
| ]]) |
| |
| AC_CHECK_HEADERS([xlocale.h]) |
| |
| # Only do link tests if native. Else, hardcode. |
| if $GLIBCXX_IS_NATIVE; then |
| |
| # We can do more elaborate tests that assume a working linker. |
| CANADIAN=no |
| |
| GLIBCXX_CHECK_LINKER_FEATURES |
| GLIBCXX_CHECK_MATH_SUPPORT |
| GLIBCXX_CHECK_STDLIB_SUPPORT |
| |
| # For /dev/random and /dev/urandom for std::random_device. |
| GLIBCXX_CHECK_DEV_RANDOM |
| |
| # For TLS support. |
| GCC_CHECK_TLS |
| |
| AC_CHECK_FUNCS(__cxa_thread_atexit_impl __cxa_thread_atexit) |
| AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc) |
| AC_CHECK_FUNCS(_wfopen) |
| AC_CHECK_FUNCS(secure_getenv) |
| |
| # C11 functions for C++17 library |
| AC_CHECK_FUNCS(timespec_get) |
| |
| # For Networking TS. |
| AC_CHECK_FUNCS(sockatmark) |
| |
| # Non-standard functions used by C++17 std::from_chars |
| AC_CHECK_FUNCS(uselocale) |
| |
| # For iconv support. |
| AM_ICONV |
| |
| else |
| |
| # This lets us hard-code the functionality we know we'll have in the cross |
| # target environment. "Let" is a sugar-coated word placed on an especially |
| # dull and tedious hack, actually. |
| # |
| # Here's why GLIBCXX_CHECK_MATH_SUPPORT, and other autoconf macros |
| # that involve linking, can't be used: |
| # "cannot open sim-crt0.o" |
| # "cannot open crt0.o" |
| # etc. All this is because there currently exists no unified, consistent |
| # way for top level CC information to be passed down to target directories: |
| # newlib includes, newlib linking info, libgloss versus newlib crt0.o, etc. |
| # When all of that is done, all of this hokey, excessive AC_DEFINE junk for |
| # crosses can be removed. |
| |
| # If Canadian cross, then don't pick up tools from the build directory. |
| # Used only in GLIBCXX_EXPORT_INCLUDES. |
| if test -n "$with_cross_host" && |
| test x"$build_alias" != x"$with_cross_host" && |
| test x"$build" != x"$target"; |
| then |
| CANADIAN=yes |
| else |
| CANADIAN=no |
| fi |
| |
| # Construct crosses by hand, eliminating bits that need ld... |
| # GLIBCXX_CHECK_MATH_SUPPORT |
| |
| # First, test for "known" system libraries. We may be using newlib even |
| # on a hosted environment. |
| if test "x${with_newlib}" = "xyes"; then |
| os_include_dir="os/newlib" |
| AC_DEFINE(HAVE_HYPOT) |
| |
| # GLIBCXX_CHECK_STDLIB_SUPPORT |
| AC_DEFINE(HAVE_STRTOF) |
| |
| AC_DEFINE(HAVE_ACOSF) |
| AC_DEFINE(HAVE_ASINF) |
| AC_DEFINE(HAVE_ATAN2F) |
| AC_DEFINE(HAVE_ATANF) |
| AC_DEFINE(HAVE_CEILF) |
| AC_DEFINE(HAVE_COSF) |
| AC_DEFINE(HAVE_COSHF) |
| AC_DEFINE(HAVE_EXPF) |
| AC_DEFINE(HAVE_FABSF) |
| AC_DEFINE(HAVE_FLOORF) |
| AC_DEFINE(HAVE_FMODF) |
| AC_DEFINE(HAVE_FREXPF) |
| AC_DEFINE(HAVE_LDEXPF) |
| AC_DEFINE(HAVE_LOG10F) |
| AC_DEFINE(HAVE_LOGF) |
| AC_DEFINE(HAVE_MODFF) |
| AC_DEFINE(HAVE_POWF) |
| AC_DEFINE(HAVE_SINF) |
| AC_DEFINE(HAVE_SINHF) |
| AC_DEFINE(HAVE_SQRTF) |
| AC_DEFINE(HAVE_TANF) |
| AC_DEFINE(HAVE_TANHF) |
| |
| AC_DEFINE(HAVE_ICONV) |
| AC_DEFINE(HAVE_MEMALIGN) |
| |
| case "${target}" in |
| *-rtems*) |
| case "${target}" in |
| bfin* | lm32* | mips* | moxie* | or1k* | v850*) |
| ;; |
| *) |
| AC_DEFINE(HAVE_TLS) |
| ;; |
| esac |
| AC_DEFINE(HAVE_ALIGNED_ALLOC) |
| AC_DEFINE(HAVE_AT_QUICK_EXIT) |
| AC_DEFINE(HAVE_LINK) |
| AC_DEFINE(HAVE_QUICK_EXIT) |
| AC_DEFINE(HAVE_READLINK) |
| AC_DEFINE(HAVE_SETENV) |
| AC_DEFINE(HAVE_SLEEP) |
| AC_DEFINE(HAVE_SOCKATMARK) |
| AC_DEFINE(HAVE_STRERROR_L) |
| AC_DEFINE(HAVE_SYMLINK) |
| AC_DEFINE(HAVE_TRUNCATE) |
| AC_DEFINE(HAVE_USLEEP) |
| ;; |
| esac |
| elif test "x$with_headers" != "xno"; then |
| GLIBCXX_CROSSCONFIG |
| fi |
| |
| # At some point, we should differentiate between architectures |
| # like x86, which have long double versions, and alpha/powerpc/etc., |
| # which don't. For the time being, punt. |
| if test x"long_double_math_on_this_cpu" = x"yes"; then |
| AC_DEFINE(HAVE_ACOSL) |
| AC_DEFINE(HAVE_ASINL) |
| AC_DEFINE(HAVE_ATAN2L) |
| AC_DEFINE(HAVE_ATANL) |
| AC_DEFINE(HAVE_CEILL) |
| AC_DEFINE(HAVE_COSL) |
| AC_DEFINE(HAVE_COSHL) |
| AC_DEFINE(HAVE_EXPL) |
| AC_DEFINE(HAVE_FABSL) |
| AC_DEFINE(HAVE_FLOORL) |
| AC_DEFINE(HAVE_FMODL) |
| AC_DEFINE(HAVE_FREXPL) |
| AC_DEFINE(HAVE_LDEXPL) |
| AC_DEFINE(HAVE_LOG10L) |
| AC_DEFINE(HAVE_LOGL) |
| AC_DEFINE(HAVE_MODFL) |
| AC_DEFINE(HAVE_POWL) |
| AC_DEFINE(HAVE_SINCOSL) |
| AC_DEFINE(HAVE_SINL) |
| AC_DEFINE(HAVE_SINHL) |
| AC_DEFINE(HAVE_SQRTL) |
| AC_DEFINE(HAVE_TANL) |
| AC_DEFINE(HAVE_TANHL) |
| fi |
| fi |
| |
| # Check for _Unwind_GetIPInfo. |
| GCC_CHECK_UNWIND_GETIPINFO |
| |
| GCC_LINUX_FUTEX([AC_DEFINE(HAVE_LINUX_FUTEX, 1, [Define if futex syscall is available.])]) |
| |
| if test "$is_hosted" = yes; then |
| # TODO: remove this and change src/c++11/compatibility-atomic-c++0x.cc to |
| # use <stdint.h> instead of <gstdint.h>. |
| GCC_HEADER_STDINT(include/gstdint.h) |
| fi |
| |
| GLIBCXX_ENABLE_SYMVERS([yes]) |
| AC_SUBST(libtool_VERSION) |
| |
| GLIBCXX_ENABLE_LIBSTDCXX_VISIBILITY([yes]) |
| |
| GLIBCXX_ENABLE_LIBSTDCXX_DUAL_ABI([yes]) |
| GLIBCXX_DEFAULT_ABI |
| |
| ac_ldbl_compat=no |
| ac_ldbl_alt128_compat=no |
| ac_ldbl_ieee128_default=no |
| LONG_DOUBLE_COMPAT_FLAGS="-mlong-double-64" |
| LONG_DOUBLE_128_FLAGS= |
| LONG_DOUBLE_ALT128_COMPAT_FLAGS= |
| case "$target" in |
| powerpc*-*-linux* | \ |
| sparc*-*-linux* | \ |
| s390*-*-linux* | \ |
| alpha*-*-linux*) |
| AC_TRY_COMPILE(, [ |
| #if !defined __LONG_DOUBLE_128__ || (defined(__sparc__) && defined(__arch64__)) |
| #error no need for long double compatibility |
| #endif |
| ], [ac_ldbl_compat=yes], [ac_ldbl_compat=no]) |
| if test "$ac_ldbl_compat" = yes; then |
| AC_DEFINE([_GLIBCXX_LONG_DOUBLE_COMPAT],1, |
| [Define if compatibility should be provided for -mlong-double-64.]) |
| port_specific_symbol_files="\$(top_srcdir)/config/os/gnu-linux/ldbl-extra.ver" |
| case "$target" in |
| powerpc*-*-linux*) |
| LONG_DOUBLE_COMPAT_FLAGS="$LONG_DOUBLE_COMPAT_FLAGS -mno-gnu-attribute" |
| # Check for IEEE128 support in libm: |
| AC_CHECK_LIB(m, __frexpieee128, |
| [ac_ldbl_ieee128_in_libc=yes], |
| [ac_ldbl_ieee128_in_libc=no]) |
| if test $ac_ldbl_ieee128_in_libc = yes; then |
| # Determine which long double format is the compiler's default: |
| AC_TRY_COMPILE(, [ |
| #ifndef __LONG_DOUBLE_IEEE128__ |
| #error compiler defaults to ibm128 |
| #endif |
| ], [ac_ldbl_ieee128_default=yes], [ac_ldbl_ieee128_default=no]) |
| # Library objects should use default long double format. |
| if test "$ac_ldbl_ieee128_default" = yes; then |
| LONG_DOUBLE_128_FLAGS="-mno-gnu-attribute" |
| # Except for the ones that explicitly use these flags: |
| LONG_DOUBLE_ALT128_COMPAT_FLAGS="-mabi=ibmlongdouble -mno-gnu-attribute -Wno-psabi" |
| else |
| LONG_DOUBLE_128_FLAGS="-mno-gnu-attribute" |
| LONG_DOUBLE_ALT128_COMPAT_FLAGS="-mabi=ieeelongdouble -mno-gnu-attribute -Wno-psabi" |
| fi |
| AC_DEFINE([_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT],1, |
| [Define if compatibility should be provided for alternative 128-bit long double formats.]) |
| port_specific_symbol_files="$port_specific_symbol_files \$(top_srcdir)/config/os/gnu-linux/ldbl-ieee128-extra.ver" |
| ac_ldbl_alt128_compat=yes |
| else |
| ac_ldbl_alt128_compat=no |
| fi |
| ;; |
| esac |
| fi |
| esac |
| AC_SUBST(LONG_DOUBLE_COMPAT_FLAGS) |
| AC_SUBST(LONG_DOUBLE_128_FLAGS) |
| AC_SUBST(LONG_DOUBLE_ALT128_COMPAT_FLAGS) |
| GLIBCXX_CONDITIONAL(GLIBCXX_LDBL_COMPAT, test $ac_ldbl_compat = yes) |
| GLIBCXX_CONDITIONAL(GLIBCXX_LDBL_ALT128_COMPAT, test $ac_ldbl_alt128_compat = yes) |
| |
| # Check if assembler supports disabling hardware capability support. |
| GCC_CHECK_ASSEMBLER_HWCAP |
| |
| # Check if assembler supports rdrand opcode. |
| GLIBCXX_CHECK_X86_RDRAND |
| # Check if assembler supports rdseed opcode. |
| GLIBCXX_CHECK_X86_RDSEED |
| |
| # Check for other random number APIs |
| GLIBCXX_CHECK_GETENTROPY |
| GLIBCXX_CHECK_ARC4RANDOM |
| |
| # This depends on GLIBCXX_ENABLE_SYMVERS and GLIBCXX_IS_NATIVE. |
| GLIBCXX_CONFIGURE_TESTSUITE |
| |
| # For gthread support. Depends on GLIBCXX_ENABLE_SYMVERS. |
| GLIBCXX_CHECK_GTHREADS |
| |
| # For Filesystem TS. |
| AC_CHECK_HEADERS([fcntl.h dirent.h sys/statvfs.h utime.h]) |
| GLIBCXX_ENABLE_FILESYSTEM_TS |
| GLIBCXX_CHECK_FILESYSTEM_DEPS |
| |
| GLIBCXX_ENABLE_BACKTRACE |
| |
| # For Networking TS. |
| AC_CHECK_HEADERS([fcntl.h sys/ioctl.h sys/socket.h sys/uio.h poll.h netdb.h arpa/inet.h netinet/in.h netinet/tcp.h]) |
| AC_CHECK_DECL(F_GETFL,,,[#include <fcntl.h>]) |
| AC_CHECK_DECL(F_SETFL,,,[#include <fcntl.h>]) |
| if test "$ac_cv_have_decl_F_GETFL$ac_cv_have_decl_F_SETFL" = yesyes ; then |
| AC_CHECK_DECL(O_NONBLOCK,,,[#include <fcntl.h>]) |
| fi |
| |
| # For Transactional Memory TS |
| GLIBCXX_CHECK_SIZE_T_MANGLING |
| |
| # Check which release added std::exception_ptr for the target |
| GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER |
| |
| # Define documentation rules conditionally. |
| |
| # See if makeinfo has been installed and is modern enough |
| # that we can use it. |
| ACX_CHECK_PROG_VER([MAKEINFO], [makeinfo], [--version], |
| [GNU texinfo.* \([0-9][0-9.]*\)], |
| [4.[4-9]*|4.[1-9][0-9]*|[5-9]*|[1-9][0-9]*]) |
| AM_CONDITIONAL(BUILD_INFO, test $gcc_cv_prog_makeinfo_modern = "yes") |
| |
| # Check for doxygen |
| AC_CHECK_PROG([DOXYGEN], doxygen, yes, no) |
| AC_CHECK_PROG([DOT], dot, yes, no) |
| |
| # Check for docbook |
| AC_CHECK_PROG([XMLCATALOG], xmlcatalog, yes, no) |
| AC_CHECK_PROG([XSLTPROC], xsltproc, yes, no) |
| AC_CHECK_PROG([XMLLINT], xmllint, yes, no) |
| GLIBCXX_CONFIGURE_DOCBOOK |
| |
| # Check for xml/html dependencies. |
| AM_CONDITIONAL(BUILD_XML, |
| test $ac_cv_prog_DOXYGEN = "yes" && |
| test $ac_cv_prog_DOT = "yes" && |
| test $ac_cv_prog_XSLTPROC = "yes" && |
| test $ac_cv_prog_XMLLINT = "yes" && |
| test $glibcxx_stylesheets = "yes") |
| |
| AM_CONDITIONAL(BUILD_HTML, |
| test $ac_cv_prog_DOXYGEN = "yes" && |
| test $ac_cv_prog_DOT = "yes" && |
| test $ac_cv_prog_XSLTPROC = "yes" && |
| test $ac_cv_prog_XMLLINT = "yes" && |
| test $glibcxx_stylesheets = "yes") |
| |
| # Check for man dependencies. |
| AM_CONDITIONAL(BUILD_MAN, |
| test $ac_cv_prog_DOXYGEN = "yes" && |
| test $ac_cv_prog_DOT = "yes") |
| |
| # Check for pdf dependencies. |
| AC_CHECK_PROG([DBLATEX], dblatex, yes, no) |
| AC_CHECK_PROG([PDFLATEX], pdflatex, yes, no) |
| AM_CONDITIONAL(BUILD_PDF, |
| test $ac_cv_prog_DOXYGEN = "yes" && |
| test $ac_cv_prog_DOT = "yes" && |
| test $ac_cv_prog_XSLTPROC = "yes" && |
| test $ac_cv_prog_XMLLINT = "yes" && |
| test $ac_cv_prog_DBLATEX = "yes" && |
| test $ac_cv_prog_PDFLATEX = "yes") |
| |
| case "$build" in |
| *-*-darwin* ) glibcxx_include_dir_notparallel=yes ;; |
| * ) glibcxx_include_dir_notparallel=no ;; |
| esac |
| AM_CONDITIONAL(INCLUDE_DIR_NOTPARALLEL, |
| test $glibcxx_include_dir_notparallel = "yes") |
| |
| # Propagate the target-specific source directories through the build chain. |
| ATOMICITY_SRCDIR=config/${atomicity_dir} |
| ATOMIC_WORD_SRCDIR=config/${atomic_word_dir} |
| ATOMIC_FLAGS=${atomic_flags} |
| CPU_DEFINES_SRCDIR=config/${cpu_defines_dir} |
| OS_INC_SRCDIR=config/${os_include_dir} |
| ERROR_CONSTANTS_SRCDIR=config/${error_constants_dir} |
| ABI_TWEAKS_SRCDIR=config/${abi_tweaks_dir} |
| CPU_OPT_EXT_RANDOM=config/${cpu_opt_ext_random} |
| CPU_OPT_BITS_RANDOM=config/${cpu_opt_bits_random} |
| AC_SUBST(ATOMICITY_SRCDIR) |
| AC_SUBST(ATOMIC_WORD_SRCDIR) |
| AC_SUBST(ATOMIC_FLAGS) |
| AC_SUBST(CPU_DEFINES_SRCDIR) |
| AC_SUBST(ABI_TWEAKS_SRCDIR) |
| AC_SUBST(OS_INC_SRCDIR) |
| AC_SUBST(ERROR_CONSTANTS_SRCDIR) |
| AC_SUBST(CPU_OPT_EXT_RANDOM) |
| AC_SUBST(CPU_OPT_BITS_RANDOM) |
| |
| # Conditionalize the makefile for this target machine. |
| tmake_file_= |
| for f in ${tmake_file} |
| do |
| if test -f ${srcdir}/config/$f |
| then |
| tmake_file_="${tmake_file_} \$(srcdir)/config/$f" |
| fi |
| done |
| tmake_file="${tmake_file_}" |
| AC_SUBST(tmake_file) |
| |
| # Add CET specific flags if Intel CET is enabled. |
| GCC_CET_FLAGS(CET_FLAGS) |
| EXTRA_CXX_FLAGS="$EXTRA_CXX_FLAGS $CET_FLAGS" |
| EXTRA_CFLAGS="$EXTRA_CFLAGS $CET_FLAGS" |
| AC_SUBST(EXTRA_CFLAGS) |
| AC_SUBST(EXTRA_CXX_FLAGS) |
| |
| # Determine cross-compile flags and AM_CONDITIONALs. |
| #AC_SUBST(GLIBCXX_IS_NATIVE) |
| #AM_CONDITIONAL(CANADIAN, test $CANADIAN = yes) |
| GLIBCXX_EVALUATE_CONDITIONALS |
| |
| AC_CACHE_SAVE |
| |
| if test ${multilib} = yes; then |
| multilib_arg="--enable-multilib" |
| else |
| multilib_arg= |
| fi |
| |
| # Export all the install information. |
| GLIBCXX_EXPORT_INSTALL_INFO |
| |
| # Export all the include and flag information to Makefiles. |
| GLIBCXX_EXPORT_INCLUDES |
| GLIBCXX_EXPORT_FLAGS |
| |
| # Determine what GCC version number to use in filesystem paths. |
| GCC_BASE_VER |
| |
| dnl In autoconf 2.5x, AC_OUTPUT is replaced by four AC_CONFIG_* macros, |
| dnl which can all be called multiple times as needed, plus one (different) |
| dnl AC_OUTPUT macro. This one lists the files to be created: |
| AC_CONFIG_FILES(Makefile) |
| AC_CONFIG_FILES([scripts/testsuite_flags],[chmod +x scripts/testsuite_flags]) |
| AC_CONFIG_FILES([scripts/extract_symvers],[chmod +x scripts/extract_symvers]) |
| AC_CONFIG_FILES([doc/xsl/customization.xsl]) |
| AC_CONFIG_FILES([src/libbacktrace/backtrace-supported.h]) |
| |
| # Multilibs need MULTISUBDIR defined correctly in certain makefiles so |
| # that multilib installs will end up installed in the correct place. |
| # The testsuite needs it for multilib-aware ABI baseline files. |
| # To work around this not being passed down from config-ml.in -> |
| # srcdir/Makefile.am -> srcdir/{src,libsupc++,...}/Makefile.am, manually |
| # append it here. Only modify Makefiles that have just been created. |
| # |
| # Also, get rid of this simulated-VPATH thing that automake does. |
| AC_CONFIG_FILES(AC_FOREACH([DIR], glibcxx_SUBDIRS, [DIR/Makefile ]), |
| [cat > vpsed$$ << \_EOF |
| s!`test -f '$<' || echo '$(srcdir)/'`!! |
| _EOF |
| sed -f vpsed$$ $ac_file > tmp$$ |
| mv tmp$$ $ac_file |
| rm vpsed$$ |
| echo 'MULTISUBDIR =' >> $ac_file |
| ml_norecursion=yes |
| . ${multi_basedir}/config-ml.in |
| AS_UNSET([ml_norecursion]) |
| ]) |
| |
| AC_CONFIG_COMMANDS([generate-headers], |
| [(cd include && ${MAKE-make} pch_build= )]) |
| |
| dnl And this actually makes things happen: |
| AC_OUTPUT |