# Process this file with autoreconf to produce a configure script.
-AC_PREREQ(2.64)
AC_INIT(package-unused, version-unused,, libstdc++)
AC_CONFIG_SRCDIR(src/shared/hashtable-aux.cc)
AC_CONFIG_HEADER(config.h)
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"; then
+if test "x${with_newlib}" != "xyes" && test "x${with_avrlibc}" != "xyes"; then
AC_LIBTOOL_DLOPEN
fi
AM_PROG_LIBTOOL
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_ENABLE_WCHAR_T([yes])
GLIBCXX_ENABLE_C99([yes])
GLIBCXX_ENABLE_CONCEPT_CHECKS([no])
-GLIBCXX_ENABLE_DEBUG_FLAGS(["-gdwarf-4 -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([yes])
+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
# 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
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
+]])
+
+AC_CHECK_HEADERS([xlocale.h])
# Only do link tests if native. Else, hardcode.
if $GLIBCXX_IS_NATIVE; then
GLIBCXX_CHECK_MATH_SUPPORT
GLIBCXX_CHECK_STDLIB_SUPPORT
- # For /dev/random and /dev/urandom for TR1.
- GLIBCXX_CHECK_RANDOM_TR1
+ # For /dev/random and /dev/urandom for std::random_device.
+ GLIBCXX_CHECK_DEV_RANDOM
# For TLS support.
GCC_CHECK_TLS
- AC_CHECK_FUNCS(__cxa_thread_atexit_impl)
+ AC_CHECK_FUNCS(__cxa_thread_atexit_impl __cxa_thread_atexit)
+ AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc)
+ AC_CHECK_FUNCS(_wfopen)
+
+ # C11 functions for C++17 library
+ AC_CHECK_FUNCS(timespec_get)
+
+ # For Networking TS.
+ AC_CHECK_FUNCS(sockatmark)
+
+ # Non-standard functions used by C++17 std::from_chars
+ AC_CHECK_FUNCS(uselocale)
# For iconv support.
AM_ICONV
AC_DEFINE(HAVE_TANHF)
AC_DEFINE(HAVE_ICONV)
+ AC_DEFINE(HAVE_MEMALIGN)
else
GLIBCXX_CROSSCONFIG
fi
GLIBCXX_ENABLE_LIBSTDCXX_VISIBILITY([yes])
-GLIBCXX_ENABLE_LIBSTDCXX_CXX11_ABI([yes])
+GLIBCXX_ENABLE_LIBSTDCXX_DUAL_ABI([yes])
+GLIBCXX_DEFAULT_ABI
ac_ldbl_compat=no
+LONG_DOUBLE_COMPAT_FLAGS="-mlong-double-64"
case "$target" in
powerpc*-*-linux* | \
sparc*-*-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.
-GLIBCXX_CHECK_ASSEMBLER_HWCAP
+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
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
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}
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)
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:
projects / gcc.git / blobdiff