# up critical shell variables.
GLIBCXX_CONFIGURE
+# Libtool setup.
if test "x${with_newlib}" != "xyes"; then
AC_LIBTOOL_DLOPEN
fi
AC_SUBST(enable_shared)
AC_SUBST(enable_static)
+if test "$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
+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_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_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
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])
+GLIBCXX_ENABLE_LIBSTDCXX_TIME
+
+# Check for tmpnam which is obsolescent in POSIX.1-2008
+GLIBCXX_CHECK_TMPNAM
AC_LC_MESSAGES
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 \
# For TLS support.
GCC_CHECK_TLS
+ AC_CHECK_FUNCS(__cxa_thread_atexit_impl)
+
# For iconv support.
AM_ICONV
GLIBCXX_ENABLE_LIBSTDCXX_VISIBILITY([yes])
+GLIBCXX_ENABLE_LIBSTDCXX_DUAL_ABI([yes])
+GLIBCXX_DEFAULT_ABI
+
ac_ldbl_compat=no
case "$target" in
powerpc*-*-linux* | \
esac
GLIBCXX_CONDITIONAL(GLIBCXX_LDBL_COMPAT, test $ac_ldbl_compat = yes)
+# Check if assembler supports disabling hardware capability support.
+GLIBCXX_CHECK_ASSEMBLER_HWCAP
+
# Check if assembler supports rdrand opcode.
GLIBCXX_CHECK_X86_RDRAND
# For gthread support. Depends on GLIBCXX_ENABLE_SYMVERS.
GLIBCXX_CHECK_GTHREADS
+# For Filesystem TS.
+AC_CHECK_HEADERS([fcntl.h dirent.h sys/statvfs.h utime.h])
+GLIBCXX_ENABLE_FILESYSTEM_TS
+GLIBCXX_CHECK_FILESYSTEM_DEPS
+
+# For Transactional Memory TS
+GLIBCXX_CHECK_SIZE_T_MANGLING
+
# Define documentation rules conditionally.
# See if makeinfo has been installed and is modern enough
OS_INC_SRCDIR=config/${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.
GLIBCXX_EXPORT_INCLUDES
GLIBCXX_EXPORT_FLAGS
-if test "$enable_shared" = yes; then
- PIC_CXXFLAGS="-prefer-pic"
-else
- PIC_CXXFLAGS=
-fi
-AC_SUBST(PIC_CXXFLAGS)
-
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