-# Process this file with autoconf to produce a configure script, like so:
-# aclocal && autoconf && autoheader && automake
+# Process this file with autoreconf to produce a configure script.
-AC_PREREQ(2.57)
+AC_PREREQ(2.59)
AC_INIT(package-unused, version-unused,, libstdc++)
AC_CONFIG_SRCDIR(src/ios.cc)
AC_CONFIG_HEADER(config.h)
### am handles this now? ORIGINAL_LD_FOR_MULTILIBS=$LD
# For libtool versioning info, format is CURRENT:REVISION:AGE
-libtool_VERSION=6:0:0
+libtool_VERSION=6:11:0
AC_SUBST(libtool_VERSION)
# Find the rest of the source tree framework.
-GLIBCXX_TOPREL_CONFIGURE
+AM_ENABLE_MULTILIB(, ..)
# Gets build, host, target, *_vendor, *_cpu, *_os, etc.
#
if test "$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 $targetos = darwin ; then
+ GLIBCXX_IS_NATIVE=true
+ fi
+ ;;
+
+ *)
+ GCC_NO_EXECUTABLES
+ ;;
+ esac
else
GLIBCXX_IS_NATIVE=true
fi
# foreign: we don't follow the normal rules for GNU packages (no COPYING
# file in the top srcdir, etc, etc), so stop complaining.
# no-dependencies: turns off auto dependency generation (just for now)
-# -Wall: turns on all automake warnings
-AM_INIT_AUTOMAKE([1.7.6 no-define foreign no-dependencies -Wall])
+# -Wall: turns on all automake warnings...
+# -Wno-portability: ...except this one, since GNU make is now required.
+AM_INIT_AUTOMAKE([1.9.3 no-define foreign no-dependencies -Wall -Wno-portability -Wno-override])
+AH_TEMPLATE(PACKAGE, [Name of package])
+AH_TEMPLATE(VERSION, [Version number of package])
# Runs configure.host, finds CC, CXX, and assorted other critical bits. Sets
# up critical shell variables.
GLIBCXX_CONFIGURE
-#AC_MSG_NOTICE([====== Starting libtool configuration])
-AC_LIBTOOL_DLOPEN
+if test "x${with_newlib}" != "xyes"; then
+ AC_LIBTOOL_DLOPEN
+fi
AM_PROG_LIBTOOL
AC_SUBST(enable_shared)
AC_SUBST(enable_static)
-#AC_MSG_NOTICE([====== Finished libtool configuration]) ; sleep 10
# Possibly disable most of the library.
-## XXX Consider skipping unncessary tests altogether in this case, rather
+## TODO: Consider skipping unncessary tests altogether in this case, rather
## than just ignoring the results. Faster /and/ more correct, win win.
GLIBCXX_ENABLE_HOSTED
-# Check for support bits and g++ features that don't require linking.
+# Enable compiler support that doesn't require linking.
GLIBCXX_ENABLE_SJLJ_EXCEPTIONS
-GLIBCXX_ENABLE_LIBUNWIND_EXCEPTIONS
GLIBCXX_ENABLE_PCH($is_hosted)
+GLIBCXX_ENABLE_ATOMIC_BUILTINS
+GLIBCXX_ENABLE_THREADS
+
+# Checks for compiler support that don't require linking.
+GLIBCXX_CHECK_COMPILER_FEATURES
+GLIBCXX_CHECK_STANDARD_LAYOUT
-# Enable all the variable C++ runtime options.
-# NB: C_MBCHAR must come early.
+# Enable all the variable C++ runtime options that doesn't require linking.
GLIBCXX_ENABLE_CSTDIO
GLIBCXX_ENABLE_CLOCALE
+GLIBCXX_ENABLE_ALLOCATOR
GLIBCXX_ENABLE_CHEADERS($c_model) dnl c_model from configure.host
-GLIBCXX_ENABLE_C_MBCHAR([yes])
-GLIBCXX_ENABLE_C99([yes])
GLIBCXX_ENABLE_LONG_LONG([yes])
-GLIBCXX_ENABLE_THREADS
+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...
-if test $atomicity_include_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
+# For the streamoff typedef.
+GLIBCXX_CHECK_INT64_T
+# For C99 support to TR1.
+GLIBCXX_CHECK_C99_TR1
+
+# For common values of EOF, SEEK_CUR, SEEK_END.
+GLIBCXX_CHECK_STDIO_MACROS
+
+# Only do link tests if native. Else, hardcode.
if $GLIBCXX_IS_NATIVE; then
# We can do more elaborate tests that assume a working linker.
# Check for available headers.
AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h machine/endian.h \
- machine/param.h sys/machine.h fp.h locale.h float.h inttypes.h gconv.h \
- sys/types.h])
+ machine/param.h sys/machine.h fp.h locale.h float.h inttypes.h \
+ sys/types.h sys/ipc.h sys/sem.h])
- GLIBCXX_CHECK_COMPILER_FEATURES
GLIBCXX_CHECK_LINKER_FEATURES
GLIBCXX_CHECK_MATH_SUPPORT
GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
- GLIBCXX_CHECK_WCHAR_T_SUPPORT
GLIBCXX_CHECK_STDLIB_SUPPORT
# For showmanyc_helper().
AC_CHECK_HEADERS(sys/uio.h)
GLIBCXX_CHECK_WRITEV
- AC_LC_MESSAGES
+ # For LFS support.
+ GLIBCXX_CHECK_LFS
- AC_TRY_COMPILE(
- [#include <setjmp.h>],
- [sigjmp_buf env;
- while (! sigsetjmp (env, 1))
- siglongjmp (env, 1);
- ],
- [AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available.])])
+ # For dev/random and dev/urandom for TR1.
+ GLIBCXX_CHECK_RANDOM_TR1
- AC_FUNC_MMAP
+ # For clock_gettime support.
+ GLIBCXX_CHECK_CLOCK_GETTIME
+
+ # For gettimeofday support.
+ GLIBCXX_CHECK_GETTIMEOFDAY
+
+ # For TLS support.
+ GCC_CHECK_TLS
+
+ # For _Unwind_GetIPInfo.
+ GCC_CHECK_UNWIND_GETIPINFO
+
+ AC_LC_MESSAGES
+
+ # For iconv support.
+ AM_ICONV
else
# If Canadian cross, then don't pick up tools from the build directory.
# Used only in GLIBCXX_EXPORT_INCLUDES.
if test -n "$with_cross_host" &&
- test x"$build" != x"$with_cross_host" &&
+ test x"$build_alias" != x"$with_cross_host" &&
test x"$build" != x"$target";
then
CANADIAN=yes
fi
# Construct crosses by hand, eliminating bits that need ld...
- # GLIBCXX_CHECK_COMPILER_FEATURES
# GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
# GLIBCXX_CHECK_MATH_SUPPORT
# GLIBCXX_CHECK_STDLIB_SUPPORT
AC_DEFINE(HAVE_STRTOF)
- AC_DEFINE(HAVE_STRTOLD)
- # AC_FUNC_MMAP
- AC_DEFINE(HAVE_MMAP)
AC_DEFINE(HAVE_ACOSF)
AC_DEFINE(HAVE_ASINF)
AC_DEFINE(HAVE_SQRTF)
AC_DEFINE(HAVE_TANF)
AC_DEFINE(HAVE_TANHF)
+
+ AC_DEFINE(HAVE_S_ISREG)
+ AC_DEFINE(HAVE_S_IFREG)
+
+ AC_DEFINE(HAVE_ICONV)
else
- m4_include([crossconfig.m4])
+ GLIBCXX_CROSSCONFIG
fi
# At some point, we should differentiate between architectures
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 $ac_ldbl_compat = yes)
# This depends on GLIBCXX_ENABLE_SYMVERS and GLIBCXX_IS_NATIVE.
GLIBCXX_CONFIGURE_TESTSUITE
# Propagate the target-specific source directories through the build chain.
-# (Nothing currently uses cpu_include_dir directly; only atomicity_include_dir
-# uses it, and it only gets used in this file.)
-ATOMICITY_INC_SRCDIR=config/${atomicity_include_dir}
+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/${os_include_dir}
-FPOS_INC_SRCDIR=config/${fpos_include_dir}
-AC_SUBST(ATOMICITY_INC_SRCDIR)
-AC_SUBST(FPOS_INC_SRCDIR)
+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
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_OUPUT macro. This one lists the files to be created:
+dnl AC_OUTPUT macro. This one lists the files to be created:
AC_CONFIG_FILES( \
Makefile \
AC_FOREACH([DIR], glibcxx_SUBDIRS, [DIR/Makefile ])
)
-AC_CONFIG_FILES([scripts/check_survey],[chmod +x scripts/check_survey])
AC_CONFIG_FILES([scripts/testsuite_flags],[chmod +x scripts/testsuite_flags])
dnl These commands are run at the end of config.status:
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