### am handles this now? ORIGINAL_LD_FOR_MULTILIBS=$LD
# For libtool versioning info, format is CURRENT:REVISION:AGE
-libtool_VERSION=6:4:0
+libtool_VERSION=6:11:0
AC_SUBST(libtool_VERSION)
# Find the rest of the source tree framework.
if test "$build" != "$host"; then
# We are being configured with some form of cross compiler.
GLIBCXX_IS_NATIVE=false
- GCC_NO_EXECUTABLES
+ case "$host","$target" in
+ # Darwin crosses can use the host system's libraries and headers,
+ # because of the fat library support. Of course, it must be the
+ # same version of Darwin on both sides. Allow the user to
+ # just say --target=foo-darwin without a version number to mean
+ # "the version on this system".
+ *-*-darwin*,*-*-darwin*)
+ hostos=`echo $host | sed 's/.*-darwin/darwin/'`
+ targetos=`echo $target | sed 's/.*-darwin/darwin/'`
+ if test $hostos = $targetos -o $targetos = darwin ; then
+ GLIBCXX_IS_NATIVE=true
+ fi
+ ;;
+
+ *)
+ GCC_NO_EXECUTABLES
+ ;;
+ esac
else
GLIBCXX_IS_NATIVE=true
fi
# up critical shell variables.
GLIBCXX_CONFIGURE
-AC_LIBTOOL_DLOPEN
+if test "x${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($is_hosted)
+GLIBCXX_ENABLE_ATOMIC_BUILTINS
+GLIBCXX_ENABLE_THREADS
+
+# Checks for compiler support that don't require linking.
+GLIBCXX_CHECK_COMPILER_FEATURES
+GLIBCXX_CHECK_STANDARD_LAYOUT
-# Enable all the variable C++ runtime options.
+# Enable all the variable C++ runtime options that doesn't require linking.
GLIBCXX_ENABLE_CSTDIO
GLIBCXX_ENABLE_CLOCALE
GLIBCXX_ENABLE_ALLOCATOR
GLIBCXX_ENABLE_CHEADERS($c_model) dnl c_model from configure.host
-GLIBCXX_ENABLE_C99([yes])
GLIBCXX_ENABLE_LONG_LONG([yes])
GLIBCXX_ENABLE_WCHAR_T([yes])
+GLIBCXX_ENABLE_C99([yes])
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 don't require linking.
+GLIBCXX_CHECK_SYSTEM_ERROR
+# Only do link tests if native. Else, hardcode.
if $GLIBCXX_IS_NATIVE; then
# We can do more elaborate tests that assume a working linker.
machine/param.h sys/machine.h fp.h locale.h float.h inttypes.h gconv.h \
sys/types.h sys/ipc.h sys/sem.h])
- GLIBCXX_CHECK_COMPILER_FEATURES
GLIBCXX_CHECK_LINKER_FEATURES
GLIBCXX_CHECK_MATH_SUPPORT
GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
- GLIBCXX_CHECK_ICONV_SUPPORT
GLIBCXX_CHECK_STDLIB_SUPPORT
# For showmanyc_helper().
# For LFS support.
GLIBCXX_CHECK_LFS
+ # For C99 support to TR1.
+ GLIBCXX_CHECK_C99_TR1
+
+ # For dev/random and dev/urandom for TR1.
+ GLIBCXX_CHECK_RANDOM_TR1
+
+ # For TLS support.
+ GCC_CHECK_TLS
+
+ # For _Unwind_GetIPInfo.
+ GCC_CHECK_UNWIND_GETIPINFO
+
AC_LC_MESSAGES
AC_TRY_COMPILE(
AC_FUNC_MMAP
+ # For iconv support.
+ AM_ICONV
+
else
# This lets us hard-code the functionality we know we'll have in the cross
fi
# Construct crosses by hand, eliminating bits that need ld...
- # GLIBCXX_CHECK_COMPILER_FEATURES
# GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
# GLIBCXX_CHECK_MATH_SUPPORT
AC_DEFINE(HAVE_S_ISREG)
AC_DEFINE(HAVE_S_IFREG)
+
+ AC_DEFINE(HAVE_ICONV)
else
GLIBCXX_CROSSCONFIG
fi
AC_DEFINE(HAVE_TANHL)
fi
+ # Assume we have _Unwind_GetIPInfo for cross-compiles.
+ AC_DEFINE(HAVE_GETIPINFO)
fi
+GCC_LINUX_FUTEX([AC_DEFINE(HAVE_LINUX_FUTEX, 1, [Define if futex syscall is available.])])
+
+GCC_HEADER_STDINT(include/gstdint.h)
+
# This depends on GLIBCXX CHECK_LINKER_FEATURES, but without it assumes no.
GLIBCXX_ENABLE_SYMVERS([yes])
+GLIBCXX_ENABLE_VISIBILITY([yes])
+
+ac_ldbl_compat=no
+case "$target" in
+ powerpc*-*-linux* | \
+ powerpc*-*-gnu* | \
+ sparc*-*-linux* | \
+ s390*-*-linux* | \
+ alpha*-*-linux*)
+ AC_TRY_COMPILE(, [
+#if !defined __LONG_DOUBLE_128__ || (defined(__sparc__) && defined(__arch64__))
+#error no need for long double compatibility
+#endif
+ ], [ac_ldbl_compat=yes], [ac_ldbl_compat=no])
+ if test "$ac_ldbl_compat" = yes; then
+ 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"
+ fi
+esac
+GLIBCXX_CONDITIONAL(GLIBCXX_LDBL_COMPAT, test $ac_ldbl_compat = yes)
# This depends on GLIBCXX_ENABLE_SYMVERS and GLIBCXX_IS_NATIVE.
GLIBCXX_CONFIGURE_TESTSUITE
# Propagate the target-specific source directories through the build chain.
ATOMICITY_SRCDIR=config/${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)
+
# 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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