### am handles this now? ORIGINAL_LD_FOR_MULTILIBS=$LD
# For libtool versioning info, format is CURRENT:REVISION:AGE
-libtool_VERSION=6:9:0
+libtool_VERSION=6:11:0
AC_SUBST(libtool_VERSION)
# Find the rest of the source tree framework.
# up critical shell variables.
GLIBCXX_CONFIGURE
-AC_LIBTOOL_DLOPEN
+if test "x${with_newlib}" != "xyes"; then
+ AC_LIBTOOL_DLOPEN
+fi
AM_PROG_LIBTOOL
AC_SUBST(enable_shared)
AC_SUBST(enable_static)
## than just ignoring the results. Faster /and/ more correct, win win.
GLIBCXX_ENABLE_HOSTED
-# Check for compiler support that doesn't require linking.
+# Enable compiler support that doesn't require linking.
GLIBCXX_ENABLE_SJLJ_EXCEPTIONS
GLIBCXX_ENABLE_PCH($is_hosted)
+GLIBCXX_ENABLE_ATOMIC_BUILTINS
+GLIBCXX_ENABLE_THREADS
-# Enable all the variable C++ runtime options.
+# 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_CLOCALE
GLIBCXX_ENABLE_ALLOCATOR
GLIBCXX_ENABLE_CONCEPT_CHECKS([no])
GLIBCXX_ENABLE_DEBUG_FLAGS(["-g3 -O0"])
GLIBCXX_ENABLE_DEBUG([no])
+GLIBCXX_ENABLE_PARALLEL([yes])
GLIBCXX_ENABLE_CXX_FLAGS
GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING([no])
-# No surprises, no surprises...
-GLIBCXX_ENABLE_THREADS
-if test $atomicity_dir = cpu/generic ; then
- AC_MSG_WARN([No native atomic operations are provided for this platform.])
- if test $target_thread_file = single; then
- AC_MSG_WARN([They cannot be faked when thread support is disabled.])
- AC_MSG_WARN([Thread-safety of certain classes is not guaranteed.])
- else
- AC_MSG_WARN([They will be faked using a mutex.])
- AC_MSG_WARN([Performance of certain classes will degrade as a result.])
- fi
-fi
+# Checks for operating systems support that doesn't require linking.
+GLIBCXX_CHECK_SYSTEM_ERROR
+
+# For the streamoff typedef.
+GLIBCXX_CHECK_INT64_T
+
+# 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
+
+# For C99 support to TR1.
+GLIBCXX_CHECK_C99_TR1
+
+# For common values of EOF, SEEK_CUR, SEEK_END.
+GLIBCXX_CHECK_STDIO_MACROS
+
+# 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 nanosleep support
+GLIBCXX_CHECK_NANOSLEEP
+AC_LC_MESSAGES
+
+# 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 \
+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])
+
+# 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
- # Check for available headers.
- AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h machine/endian.h \
- machine/param.h sys/machine.h fp.h locale.h float.h inttypes.h gconv.h \
- sys/types.h sys/ipc.h sys/sem.h])
-
- GLIBCXX_CHECK_COMPILER_FEATURES
GLIBCXX_CHECK_LINKER_FEATURES
GLIBCXX_CHECK_MATH_SUPPORT
- GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
- GLIBCXX_CHECK_ICONV_SUPPORT
GLIBCXX_CHECK_STDLIB_SUPPORT
- # 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
-
- # For the __streamoff_base_type typedef.
- GLIBCXX_CHECK_INT64_T
-
- # For LFS support.
- GLIBCXX_CHECK_LFS
-
- # For C99 support to TR1.
- GLIBCXX_CHECK_C99_TR1
+ # For /dev/random and /dev/urandom for TR1.
+ GLIBCXX_CHECK_RANDOM_TR1
# For TLS support.
GCC_CHECK_TLS
- AC_LC_MESSAGES
-
- AC_TRY_COMPILE(
- [#include <setjmp.h>],
- [sigjmp_buf env;
- while (! sigsetjmp (env, 1))
- siglongjmp (env, 1);
- ],
- [AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available.])])
-
- AC_FUNC_MMAP
+ # For iconv support.
+ AM_ICONV
else
fi
# Construct crosses by hand, eliminating bits that need ld...
- # GLIBCXX_CHECK_COMPILER_FEATURES
- # GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
# GLIBCXX_CHECK_MATH_SUPPORT
# First, test for "known" system libraries. We may be using newlib even
# GLIBCXX_CHECK_STDLIB_SUPPORT
AC_DEFINE(HAVE_STRTOF)
- # AC_FUNC_MMAP
- AC_DEFINE(HAVE_MMAP)
AC_DEFINE(HAVE_ACOSF)
AC_DEFINE(HAVE_ASINF)
AC_DEFINE(HAVE_TANF)
AC_DEFINE(HAVE_TANHF)
- AC_DEFINE(HAVE_S_ISREG)
- AC_DEFINE(HAVE_S_IFREG)
+ AC_DEFINE(HAVE_ICONV)
else
GLIBCXX_CROSSCONFIG
fi
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.])])
+
+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_ldbl_compat=no
case "$target" in
- powerpc*-*-*gnu* | \
+ powerpc*-*-linux* | \
+ powerpc*-*-gnu* | \
sparc*-*-linux* | \
s390*-*-linux* | \
alpha*-*-linux*)
# 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}
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)
-# Atomic builtins can be inlined in bits/atomicity.h.
-if test $atomicity_dir = cpu/generic/atomic_builtins ; then
- AC_DEFINE([_GLIBCXX_ATOMIC_BUILTINS], 1,
- [Define if atomic builtins are provided for this platform.])
-fi
# Determine cross-compile flags and AM_CONDITIONALs.
#AC_SUBST(GLIBCXX_IS_NATIVE)
GLIBCXX_EXPORT_INCLUDES
GLIBCXX_EXPORT_FLAGS
-if ${CONFIG_SHELL-/bin/sh} ./libtool --tag CXX --features |
- grep "enable shared" > /dev/null;
-then
- LIBSUPCXX_PICFLAGS=-prefer-pic
+if test "$enable_shared" = yes; then
+ LIBSUPCXX_PICFLAGS="-prefer-pic"
else
LIBSUPCXX_PICFLAGS=
fi
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