AC_PREREQ(2.64)
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=$LD
-# For libtool versioning info, format is CURRENT:REVISION:AGE
-libtool_VERSION=6:15:0
-AC_SUBST(libtool_VERSION)
-
# Find the rest of the source tree framework.
AM_ENABLE_MULTILIB(, ..)
# up critical shell variables.
GLIBCXX_CONFIGURE
+# Libtool setup.
if test "x${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 " $postdeps_CXX " | sed 's, -lstdc++ ,,g'`
## than just ignoring the results. Faster /and/ more correct, win win.
GLIBCXX_ENABLE_HOSTED
+# Enable descriptive messages to standard output on termination.
+GLIBCXX_ENABLE_VERBOSE
+
# Enable compiler support that doesn't require linking.
GLIBCXX_ENABLE_SJLJ_EXCEPTIONS
GLIBCXX_ENABLE_PCH($is_hosted)
GLIBCXX_ENABLE_THREADS
GLIBCXX_ENABLE_ATOMIC_BUILTINS
GLIBCXX_ENABLE_DECIMAL_FLOAT
+GLIBCXX_ENABLE_INT128_FLOAT128
# 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(["-g3 -O0"])
+GLIBCXX_ENABLE_DEBUG_FLAGS(["-gdwarf-4 -g3 -O0"])
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_VTABLE_VERIFY([no])
# Checks for operating systems support that doesn't require linking.
+GLIBCXX_CHECK_STDIO_PROTO
GLIBCXX_CHECK_SYSTEM_ERROR
# For the streamoff typedef.
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
GLIBCXX_CHECK_GETTIMEOFDAY
# For clock_gettime, nanosleep and sched_yield support.
-# NB: The default is [no], because otherwise it requires linking.
-GLIBCXX_ENABLE_LIBSTDCXX_TIME([no])
-
-# For gthread support
-GLIBCXX_CHECK_GTHREADS
+GLIBCXX_ENABLE_LIBSTDCXX_TIME
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 \
# For TLS support.
GCC_CHECK_TLS
+ AC_CHECK_FUNCS(__cxa_thread_atexit_impl)
+
# 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)
# 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])
ac_ldbl_compat=no
case "$target" in
powerpc*-*-linux* | \
- powerpc*-*-gnu* | \
sparc*-*-linux* | \
s390*-*-linux* | \
alpha*-*-linux*)
esac
GLIBCXX_CONDITIONAL(GLIBCXX_LDBL_COMPAT, test $ac_ldbl_compat = yes)
+# Check if assembler supports disabling hardware capability support.
+GLIBCXX_CHECK_ASSEMBLER_HWCAP
+
+# Check if assembler supports rdrand opcode.
+GLIBCXX_CHECK_X86_RDRAND
+
# This depends on GLIBCXX_ENABLE_SYMVERS and GLIBCXX_IS_NATIVE.
GLIBCXX_CONFIGURE_TESTSUITE
+# For gthread support. Depends on GLIBCXX_ENABLE_SYMVERS.
+GLIBCXX_CHECK_GTHREADS
+
+# 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([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_DBLATEX = "yes" &&
+ test $ac_cv_prog_PDFLATEX = "yes")
+
+
# Propagate the target-specific source directories through the build chain.
ATOMICITY_SRCDIR=config/${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)
# 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 ${multilib} = yes; then
GLIBCXX_EXPORT_INCLUDES
GLIBCXX_EXPORT_FLAGS
-if test "$enable_shared" = yes; then
- LIBSUPCXX_PICFLAGS="-prefer-pic"
-else
- LIBSUPCXX_PICFLAGS=
-fi
-AC_SUBST(LIBSUPCXX_PICFLAGS)
-
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])
# Multilibs need MULTISUBDIR defined correctly in certain makefiles so
# that multilib installs will end up installed in the correct place.