### am handles this now? ORIGINAL_LD_FOR_MULTILIBS=$LD
# For libtool versioning info, format is CURRENT:REVISION:AGE
-libtool_VERSION=6:7:0
+libtool_VERSION=6:10:0
AC_SUBST(libtool_VERSION)
# Find the rest of the source tree framework.
## than just ignoring the results. Faster /and/ more correct, win win.
GLIBCXX_ENABLE_HOSTED
-# Check for compiler support that doesn't require linking.
+# Enable compiler support that doesn't require linking.
GLIBCXX_ENABLE_SJLJ_EXCEPTIONS
GLIBCXX_ENABLE_PCH($is_hosted)
-# 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_CXX_FLAGS
GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING([no])
+# Checks for operating systems support that don't require linking.
+GLIBCXX_CHECK_SYSTEM_ERROR
+
# No surprises, no surprises...
GLIBCXX_ENABLE_THREADS
-if test $atomicity_dir = cpu/generic ; then
+GLIBCXX_ENABLE_ATOMIC_BUILTINS
+if test $atomicity_dir = cpu/generic/atomicity_mutex ; 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.])
fi
fi
+GLIBCXX_CHECK_COMPILER_FEATURES
if $GLIBCXX_IS_NATIVE; then
machine/param.h sys/machine.h fp.h locale.h float.h inttypes.h gconv.h \
sys/types.h sys/ipc.h sys/sem.h])
- GLIBCXX_CHECK_COMPILER_FEATURES
GLIBCXX_CHECK_LINKER_FEATURES
GLIBCXX_CHECK_MATH_SUPPORT
GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
- GLIBCXX_CHECK_ICONV_SUPPORT
GLIBCXX_CHECK_STDLIB_SUPPORT
# For showmanyc_helper().
# For LFS support.
GLIBCXX_CHECK_LFS
+ # For C99 support to TR1.
+ GLIBCXX_CHECK_C99_TR1
+
+ # For dev/random and dev/urandom for TR1.
+ GLIBCXX_CHECK_RANDOM_TR1
+
# For TLS support.
GCC_CHECK_TLS
+ # For _Unwind_GetIPInfo.
+ GCC_CHECK_UNWIND_GETIPINFO
+
AC_LC_MESSAGES
AC_TRY_COMPILE(
AC_FUNC_MMAP
+ # For iconv support.
+ AM_ICONV
+
else
# This lets us hard-code the functionality we know we'll have in the cross
fi
# Construct crosses by hand, eliminating bits that need ld...
- # GLIBCXX_CHECK_COMPILER_FEATURES
# GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
# GLIBCXX_CHECK_MATH_SUPPORT
AC_DEFINE(HAVE_S_ISREG)
AC_DEFINE(HAVE_S_IFREG)
+
+ AC_DEFINE(HAVE_ICONV)
else
GLIBCXX_CROSSCONFIG
fi
AC_DEFINE(HAVE_TANHL)
fi
+ # Assume we have _Unwind_GetIPInfo for cross-compiles.
+ AC_DEFINE(HAVE_GETIPINFO)
+
fi
# This depends on GLIBCXX CHECK_LINKER_FEATURES, but without it assumes no.
GLIBCXX_ENABLE_SYMVERS([yes])
+GLIBCXX_ENABLE_VISIBILITY([yes])
+
+ac_ldbl_compat=no
+case "$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 $ac_ldbl_compat = yes)
# This depends on GLIBCXX_ENABLE_SYMVERS and GLIBCXX_IS_NATIVE.
GLIBCXX_CONFIGURE_TESTSUITE
ATOMIC_WORD_SRCDIR=config/${atomic_word_dir}
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(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