# Process this file with autoreconf to produce a configure script.
-AC_PREREQ(2.59)
AC_INIT(package-unused, version-unused,, libstdc++)
-AC_CONFIG_SRCDIR(src/ios.cc)
+AC_CONFIG_SRCDIR(src/shared/hashtable-aux.cc)
AC_CONFIG_HEADER(config.h)
# This works around the fact that libtool configuration may change LD
# exported. Only used at the end of this file.
### am handles this now? ORIGINAL_LD_FOR_MULTILIBS=$LD
-# For libtool versioning info, format is CURRENT:REVISION:AGE
-libtool_VERSION=6:11:0
-AC_SUBST(libtool_VERSION)
-
# Find the rest of the source tree framework.
AM_ENABLE_MULTILIB(, ..)
# foreign: we don't follow the normal rules for GNU packages (no COPYING
# file in the top srcdir, etc, etc), so stop complaining.
# no-dependencies: turns off auto dependency generation (just for now)
+# no-dist: we don't want 'dist' and related rules.
# -Wall: turns on all automake warnings...
# -Wno-portability: ...except this one, since GNU make is now required.
-AM_INIT_AUTOMAKE([1.9.3 no-define foreign no-dependencies -Wall -Wno-portability -Wno-override])
+AM_INIT_AUTOMAKE([1.9.3 no-define foreign no-dependencies no-dist -Wall -Wno-portability -Wno-override])
AH_TEMPLATE(PACKAGE, [Name of package])
AH_TEMPLATE(VERSION, [Version number of package])
-# Runs configure.host, finds CC, CXX, and assorted other critical bits. Sets
+# -fno-builtin must be present here so that a non-conflicting form of
+# std::exit can be guessed by AC_PROG_CXX, and used in later tests.
+
+save_CXXFLAGS="$CXXFLAGS"
+CXXFLAGS="$CXXFLAGS -fno-builtin"
+AC_PROG_CC
+AC_PROG_CXX
+CXXFLAGS="$save_CXXFLAGS"
+
+# Runs configure.host, and assorted other critical bits. Sets
# up critical shell variables.
GLIBCXX_CONFIGURE
+# Libtool setup.
if test "x${with_newlib}" != "xyes"; then
AC_LIBTOOL_DLOPEN
fi
AM_PROG_LIBTOOL
+ACX_LT_HOST_FLAGS
AC_SUBST(enable_shared)
AC_SUBST(enable_static)
+if test "$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 " $postdeps_CXX " | sed 's, -lstdc++ ,,g'`
+
# Possibly disable most of the library.
## TODO: Consider skipping unncessary tests altogether in this case, rather
## than just ignoring the results. Faster /and/ more correct, win win.
GLIBCXX_ENABLE_HOSTED
+# Enable descriptive messages to standard output on termination.
+GLIBCXX_ENABLE_VERBOSE
+
# Enable compiler support that doesn't require linking.
-GLIBCXX_ENABLE_SJLJ_EXCEPTIONS
GLIBCXX_ENABLE_PCH($is_hosted)
GLIBCXX_ENABLE_THREADS
GLIBCXX_ENABLE_ATOMIC_BUILTINS
+GLIBCXX_ENABLE_LOCK_POLICY
+GLIBCXX_ENABLE_DECIMAL_FLOAT
+GLIBCXX_ENABLE_INT128_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
-GLIBCXX_CHECK_STANDARD_LAYOUT
# Enable all the variable C++ runtime options that don't require linking.
GLIBCXX_ENABLE_CSTDIO
GLIBCXX_ENABLE_WCHAR_T([yes])
GLIBCXX_ENABLE_C99([yes])
GLIBCXX_ENABLE_CONCEPT_CHECKS([no])
-GLIBCXX_ENABLE_DEBUG_FLAGS(["-g3 -O0"])
+GLIBCXX_ENABLE_DEBUG_FLAGS(["-gdwarf-4 -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_SYSTEM_ERROR
+GLIBCXX_CHECK_UCHAR_H
# For the streamoff typedef.
GLIBCXX_CHECK_INT64_T
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 common values of EOF, SEEK_CUR, SEEK_END.
-GLIBCXX_CHECK_STDIO_MACROS
+# For the EOF, SEEK_CUR, and SEEK_END integer constants.
+GLIBCXX_COMPUTE_STDIO_INTEGER_CONSTANTS
# For gettimeofday support.
GLIBCXX_CHECK_GETTIMEOFDAY
-# For clock_gettime support.
-# NB: The default is [no], because otherwise it requires linking.
-GLIBCXX_ENABLE_CLOCK_GETTIME([no])
-
-# For gthread support
-GLIBCXX_CHECK_GTHREADS
+# For clock_gettime, nanosleep and sched_yield support.
+GLIBCXX_ENABLE_LIBSTDCXX_TIME
-# For nanosleep support
-GLIBCXX_CHECK_NANOSLEEP
+# Check for tmpnam which is obsolescent in POSIX.1-2008
+GLIBCXX_CHECK_TMPNAM
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 float.h fp.h ieeefp.h inttypes.h locale.h \
-machine/endian.h machine/param.h nan.h stdint.h stdlib.h string.h \
+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])
+wchar.h wctype.h linux/types.h])
+
+AC_CHECK_HEADERS([linux/random.h], [], [],
+[[#ifdef HAVE_LINUX_TYPES_H
+# include <linux/types.h>
+#endif
+]])
# Only do link tests if native. Else, hardcode.
if $GLIBCXX_IS_NATIVE; then
GLIBCXX_CHECK_LINKER_FEATURES
GLIBCXX_CHECK_MATH_SUPPORT
- GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
GLIBCXX_CHECK_STDLIB_SUPPORT
- # For /dev/random and /dev/urandom for TR1.
- GLIBCXX_CHECK_RANDOM_TR1
+ # For /dev/random and /dev/urandom for std::random_device.
+ GLIBCXX_CHECK_DEV_RANDOM
# For TLS support.
GCC_CHECK_TLS
+ AC_CHECK_FUNCS(__cxa_thread_atexit_impl __cxa_thread_atexit)
+ AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc)
+ AC_CHECK_FUNCS(_wfopen)
+
+ # C11 functions for C++17 library
+ AC_CHECK_FUNCS(timespec_get)
+
+ # For Networking TS.
+ AC_CHECK_FUNCS(sockatmark)
+
# For iconv support.
AM_ICONV
AC_DEFINE(HAVE_HYPOT)
# GLIBCXX_CHECK_STDLIB_SUPPORT
- AC_DEFINE(HAVE_STRTOF)
+ AC_DEFINE(HAVE_STRTOF)
AC_DEFINE(HAVE_ACOSF)
AC_DEFINE(HAVE_ASINF)
AC_DEFINE(HAVE_ATAN2F)
AC_DEFINE(HAVE_ATANF)
AC_DEFINE(HAVE_CEILF)
- AC_DEFINE(HAVE_COPYSIGN)
- AC_DEFINE(HAVE_COPYSIGNF)
AC_DEFINE(HAVE_COSF)
AC_DEFINE(HAVE_COSHF)
AC_DEFINE(HAVE_EXPF)
AC_DEFINE(HAVE_TANHF)
AC_DEFINE(HAVE_ICONV)
+ AC_DEFINE(HAVE_MEMALIGN)
else
GLIBCXX_CROSSCONFIG
fi
AC_DEFINE(HAVE_ATAN2L)
AC_DEFINE(HAVE_ATANL)
AC_DEFINE(HAVE_CEILL)
- AC_DEFINE(HAVE_COPYSIGNL)
AC_DEFINE(HAVE_COSL)
AC_DEFINE(HAVE_COSHL)
AC_DEFINE(HAVE_EXPL)
# Check for _Unwind_GetIPInfo.
GCC_CHECK_UNWIND_GETIPINFO
-
GCC_LINUX_FUTEX([AC_DEFINE(HAVE_LINUX_FUTEX, 1, [Define if futex syscall is available.])])
GCC_HEADER_STDINT(include/gstdint.h)
-# This depends on GLIBCXX CHECK_LINKER_FEATURES, but without it assumes no.
GLIBCXX_ENABLE_SYMVERS([yes])
-GLIBCXX_ENABLE_VISIBILITY([yes])
+AC_SUBST(libtool_VERSION)
+
+GLIBCXX_ENABLE_LIBSTDCXX_VISIBILITY([yes])
+
+GLIBCXX_ENABLE_LIBSTDCXX_DUAL_ABI([yes])
+GLIBCXX_DEFAULT_ABI
ac_ldbl_compat=no
+LONG_DOUBLE_COMPAT_FLAGS="-mlong-double-64"
case "$target" in
powerpc*-*-linux* | \
- powerpc*-*-gnu* | \
sparc*-*-linux* | \
s390*-*-linux* | \
alpha*-*-linux*)
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" ;;
+ esac
fi
esac
+AC_SUBST(LONG_DOUBLE_COMPAT_FLAGS)
GLIBCXX_CONDITIONAL(GLIBCXX_LDBL_COMPAT, test $ac_ldbl_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
+
# 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
+
+# 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])
+
+# 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/${atomic_word_dir}
OS_INC_SRCDIR=config/${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(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)
+# 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)
-# from GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT:
-#AM_CONDITIONAL(GLIBCXX_BUILD_LIBMATH, test $need_libmath = yes)
GLIBCXX_EVALUATE_CONDITIONALS
-
+
AC_CACHE_SAVE
if test ${multilib} = yes; then
GLIBCXX_EXPORT_INCLUDES
GLIBCXX_EXPORT_FLAGS
-if test "$enable_shared" = yes; then
- LIBSUPCXX_PICFLAGS="-prefer-pic"
-else
- LIBSUPCXX_PICFLAGS=
-fi
-AC_SUBST(LIBSUPCXX_PICFLAGS)
+# 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_FOREACH([DIR], glibcxx_SUBDIRS, [DIR/Makefile ])
- )
+AC_CONFIG_FILES(Makefile)
AC_CONFIG_FILES([scripts/testsuite_flags],[chmod +x scripts/testsuite_flags])
-
-dnl These commands are run at the end of config.status:
-AC_CONFIG_COMMANDS([default],
-[if test -n "$CONFIG_FILES"; then
- # 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.
- cat > vpsed << \_EOF
+AC_CONFIG_FILES([scripts/extract_symvers],[chmod +x scripts/extract_symvers])
+AC_CONFIG_FILES([doc/xsl/customization.xsl])
+
+# 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$$ << \_EOF
s!`test -f '$<' || echo '$(srcdir)/'`!!
_EOF
- for i in $SUBDIRS; do
- case $CONFIG_FILES in
- *${i}/Makefile*)
- #echo "Adding MULTISUBDIR to $i/Makefile"
- sed -f vpsed $i/Makefile > tmp
- grep '^MULTISUBDIR =' Makefile >> tmp
- mv tmp $i/Makefile
- ;;
- esac
- done
- rm vpsed
- fi
- (cd include && ${MAKE-make})
-],
-[
-# Variables needed in config.status (file generation) which aren't already
-# passed by autoconf.
-SUBDIRS="$SUBDIRS"
+ sed -f vpsed$$ $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
projects / thirdparty / gcc.git / blobdiff