# Process this file with autoconf to produce a configure script, like so:
-# aclocal, autoconf, autoheader, automake
+# aclocal && autoconf && autoheader && automake
AC_PREREQ(2.13)
-AC_INIT(src/complex.cc)
-AC_CONFIG_AUX_DIR(..)
-
-# Gets and sets build, host, target, *_vendor, *_cpu, *_os, etc.
+AC_INIT(src/ios.cc)
+
+# This works around the fact that libtool configuration may change LD
+# for this particular configuration, but some shells, instead of
+# keeping the changes in LD private, export them just because LD is
+# exported. Only used at the end of this file.
+ORIGINAL_LD_FOR_MULTILIBS=$LD
+
+PACKAGE=libstdc++
+AC_SUBST(PACKAGE)
+# For libtool versioning info, format is CURRENT:REVISION:AGE
+libtool_VERSION=6:0:0
+AC_SUBST(libtool_VERSION)
+
+GLIBCPP_TOPREL_CONFIGURE
+
+# Gets build, host, target, *_vendor, *_cpu, *_os, etc.
+#
+# You will slowly go insane if you do not grok the following fact: when
+# building v3 as part of the compiler, the top-level /target/ becomes the
+# library's /host/. `configure' then causes --target to default to --host,
+# exactly like any other package using autoconf. Therefore, 'target' and
+# 'host' will always be the same. This makes sense both for native and
+# cross compilers, just think about it for a little while. :-)
+#
+# Also, if v3 is being configured as part of a cross compiler, the top-level
+# configure script will pass the "real" host as $with_cross_host.
+#
+# AC 2.5x sets target_alias iff the user specified --target, but we use it
+# everywhere, so we set it here just to be sure. In AC 2.13
+# AC_CANONICAL_TARGET was known as AC_CANONICAL_SYSTEM.
AC_CANONICAL_SYSTEM
+target_alias=${target_alias-$target}
+AC_SUBST(target_alias)
-# We use these options to decide which functions to include.
-AC_ARG_WITH(target-subdir,
-[ --with-target-subdir=SUBDIR
- configuring in a subdirectory])
-AC_ARG_WITH(cross-host,
-[ --with-cross-host=HOST configuring with a cross compiler])
-
+# Runs configure.target, finds CC, CXX and assorted other critical bits.
+# Must run this before the GLIBCPP_ENABLE_* macros below.
GLIBCPP_CONFIGURE(.)
+
+AM_INIT_AUTOMAKE($PACKAGE, $gcc_version)
+AM_CONFIG_HEADER(config.h)
+
AC_LIBTOOL_DLOPEN
AM_PROG_LIBTOOL
-GLIBCPP_CHECK_GNU_MAKE
- if test "x$_cv_gnu_make_command" = "x"; then
- AC_MSG_ERROR([GNU make not found. Please install it or correct your path.])
- fi
-AM_CONFIG_HEADER(config.h)
+AC_SUBST(enable_shared)
+AC_SUBST(enable_static)
# Check for c++ or library specific bits that don't require linking.
-GLIBCPP_CHECK_COMPILER_VERSION
-GLIBCPP_CHECK_CPU
-GLIBCPP_CHECK_OS
-
-AC_CACHE_SAVE
+#GLIBCPP_CHECK_COMPILER_VERSION
+GLIBCPP_CHECK_GNU_MAKE
-# Enable all the crazy c++ stuff.
-GLIBCPP_ENABLE_DEBUG($USE_MAINTAINER_MODE)
+# Enable all the variable C++ stuff. C_MBCHAR must come early.
GLIBCPP_ENABLE_CSTDIO
-GLIBCPP_ENABLE_LONG_LONG(yes)
-GLIBCPP_ENABLE_LONG_DOUBLE(yes)
-GLIBCPP_ENABLE_SHADOW(no)
+GLIBCPP_ENABLE_CLOCALE
+GLIBCPP_ENABLE_CHEADERS([$c_model])
+GLIBCPP_ENABLE_C_MBCHAR([yes])
+GLIBCPP_ENABLE_C99([yes])
+GLIBCPP_ENABLE_LONG_LONG([yes])
GLIBCPP_ENABLE_THREADS
-GLIBCPP_ENABLE_ATOMICITY
-GLIBCPP_ENABLE_CXX_FLAGS([none])
-
-
-if test -n "$with_cross_host"; then
+GLIBCPP_ENABLE_SJLJ_EXCEPTIONS
+GLIBCPP_ENABLE_LIBUNWIND_EXCEPTIONS
+GLIBCPP_ENABLE_CONCEPT_CHECKS
+GLIBCPP_ENABLE_CXX_FLAGS
+GLIBCPP_ENABLE_DEBUG([no])
+GLIBCPP_ENABLE_DEBUG_FLAGS([none])
+
+# Check for headers necessary for libsupc++ using dyn-string.c/cxa_demangle.c
+AC_CHECK_HEADERS(string.h stdlib.h)
+
+# No surprises, no surprises...
+if test $ATOMICITYH = cpu/generic ; then
+ AC_MSG_WARN([No native atomic operations are provided yet for this platform.])
+ if test $target_thread_file = single; then
+ AC_MSG_WARN([They cannot be faked when thread support is disabled.])
+ AC_MSG_WARN([Thread-safety of certain classes is not guaranteed.])
+ else
+ AC_MSG_WARN([They will be faked using a mutex.])
+ AC_MSG_WARN([Performance of certain classes will degrade as a result.])
+ fi
+fi
- # We are being configured with a cross compiler. AC_REPLACE_FUNCS
- # may not work correctly, because the compiler may not be able to
- # link executables.
- xcompiling=1
- NATIVE=no
- # If Canadian cross, then don't pick up tools from the build
- # directory.
- if test "$build" != "$with_cross_host"; then
+if test -n "$with_cross_host" || test x"$build" != x"$host"; then
+
+ # We are being configured with some form of cross compiler.
+ GLIBCPP_IS_CROSS_COMPILING=1
+
+ # This lets us hard-code the functionality we know we'll have in the cross
+ # target environment. "Let" is a sugar-coated word placed on an especially
+ # dull and tedious hack, actually.
+ #
+ # Here's why GLIBCPP_CHECK_MATH_SUPPORT, and other autoconf macros
+ # that involve linking, can't be used:
+ # "cannot open sim-crt0.o"
+ # "cannot open crt0.o"
+ # etc. All this is because there currently exists no unified, consistent
+ # way for top level CC information to be passed down to target directories:
+ # newlib includes, newlib linking info, libgloss versus newlib crt0.o, etc.
+ # When all of that is done, all of this hokey, excessive AC_DEFINE junk for
+ # crosses can be removed.
+
+ # If Canadian cross, then don't pick up tools from the build directory.
+ # Used in GLIBCPP_EXPORT_INCLUDES (and nowhere else?).
+ if test -n "$with_cross_host" && test x"$build" != x"$with_cross_host"; then
CANADIAN=yes
- NULL_TARGET=yes
else
CANADIAN=no
- NULL_TARGET=no
fi
- case "$target_alias" in
- *-wince-*)
- # Configure for Microsoft Windows CE, or whatever they are
- # currently calling it.
- AC_DEFINE(HAVE_FLOAT_H)
-
- AC_DEFINE(HAVE__FINITE)
- AC_DEFINE(HAVE__ISNAN)
- AC_DEFINE(HAVE__COPYSIGN)
- AC_DEFINE(HAVE__FPCLASS)
- AC_DEFINE(HAVE_MODF)
-
- ctype_include_dir="config/os/wince"
- AC_LINK_FILES($ctype_include_dir/bits/ctype_base.h, bits/ctype_base.h)
- AC_LINK_FILES($ctype_include_dir/bits/ctype_inline.h, \
- bits/ctype_inline.h)
- AC_LINK_FILES($ctype_include_dir/bits/ctype_noninline.h, \
- bits/ctype_noninline.h)
-
-
- AC_DEFINE(_GLIBCPP_NEED_MBSTATE_T)
+ # Construct crosses by hand, eliminating bits that need ld...
+ # GLIBCPP_CHECK_COMPILER_FEATURES
+ # GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT
+ # GLIBCPP_CHECK_MATH_SUPPORT
+
+ case "$target" in
+ *-linux*)
+ os_include_dir="os/gnu-linux"
+ AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h \
+ machine/endian.h machine/param.h sys/machine.h sys/types.h \
+ fp.h locale.h float.h inttypes.h])
+ SECTION_FLAGS='-ffunction-sections -fdata-sections'
+ AC_SUBST(SECTION_FLAGS)
+ GLIBCPP_CHECK_LINKER_FEATURES
+ GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
+ GLIBCPP_CHECK_WCHAR_T_SUPPORT
+ AC_DEFINE(HAVE_COPYSIGN)
+ AC_DEFINE(HAVE_COPYSIGNF)
+ AC_DEFINE(HAVE_FINITE)
+ AC_DEFINE(HAVE_FINITEF)
+ AC_DEFINE(HAVE_FREXPF)
+ AC_DEFINE(HAVE_HYPOTF)
+ AC_DEFINE(HAVE_ISINF)
+ AC_DEFINE(HAVE_ISINFF)
+ AC_DEFINE(HAVE_ISNAN)
+ AC_DEFINE(HAVE_ISNANF)
+ AC_DEFINE(HAVE_SINCOS)
+ AC_DEFINE(HAVE_SINCOSF)
+ if test x"long_double_math_on_this_cpu" = x"yes"; then
+ AC_DEFINE(HAVE_FINITEL)
+ AC_DEFINE(HAVE_HYPOTL)
+ AC_DEFINE(HAVE_ISINFL)
+ AC_DEFINE(HAVE_ISNANL)
+ fi
+ ;;
+ *-hpux*)
+ # 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 sys/types.h \
+ fp.h locale.h float.h inttypes.h])
+ SECTION_FLAGS='-ffunction-sections -fdata-sections'
+ AC_SUBST(SECTION_FLAGS)
+ GLIBCPP_CHECK_LINKER_FEATURES
+ GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
+ GLIBCPP_CHECK_WCHAR_T_SUPPORT
+ os_include_dir="os/hpux"
+ AC_DEFINE(HAVE_COPYSIGN)
+ AC_DEFINE(HAVE_COPYSIGNF)
+ AC_DEFINE(HAVE_FREXPF)
+ AC_DEFINE(HAVE_HYPOT)
+ case "$target" in
+ *-hpux10*)
+ AC_DEFINE(HAVE_FINITE)
+ AC_DEFINE(HAVE_FINITEF)
+ AC_DEFINE(HAVE_ISINF)
+ AC_DEFINE(HAVE_ISINFF)
+ AC_DEFINE(HAVE_ISNAN)
+ AC_DEFINE(HAVE_ISNANF)
+ ;;
+ esac
+
+ ;;
+ *-netbsd*)
+ # 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 sys/types.h \
+ fp.h locale.h float.h inttypes.h])
+ SECTION_FLAGS='-ffunction-sections -fdata-sections'
+ AC_SUBST(SECTION_FLAGS)
+ GLIBCPP_CHECK_LINKER_FEATURES
+ GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
+ GLIBCPP_CHECK_WCHAR_T_SUPPORT
+ os_include_dir="os/bsd/netbsd"
+ AC_DEFINE(HAVE_COPYSIGN)
+ AC_DEFINE(HAVE_COPYSIGNF)
+ AC_DEFINE(HAVE_FINITEF)
+ AC_DEFINE(HAVE_FINITE)
+ AC_DEFINE(HAVE_FREXPF)
+ AC_DEFINE(HAVE_HYPOTF)
+ AC_DEFINE(HAVE_ISINF)
+ AC_DEFINE(HAVE_ISINFF)
+ AC_DEFINE(HAVE_ISNAN)
+ AC_DEFINE(HAVE_ISNANF)
+ if test x"long_double_math_on_this_cpu" = x"yes"; then
+ AC_DEFINE(HAVE_FINITEL)
+ AC_DEFINE(HAVE_ISINFL)
+ AC_DEFINE(HAVE_ISNANL)
+ fi
+ ;;
+ *-freebsd*)
+ # 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 sys/types.h \
+ fp.h locale.h float.h inttypes.h sys/resource.h sys/stat.h \
+ sys/time.h unistd.h])
+ SECTION_FLAGS='-ffunction-sections -fdata-sections'
+ AC_SUBST(SECTION_FLAGS)
+ GLIBCPP_CHECK_LINKER_FEATURES
+ GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
+ GLIBCPP_CHECK_WCHAR_T_SUPPORT
+ os_include_dir="os/bsd/freebsd"
+ AC_DEFINE(HAVE_LC_MESSAGES)
+ AC_DEFINE(HAVE_DRAND48)
+ AC_DEFINE(HAVE_GETPAGESIZE)
+ AC_DEFINE(HAVE_SETENV)
+ AC_DEFINE(HAVE_SIGSETJMP)
+ AC_DEFINE(HAVE_COPYSIGN)
+ AC_DEFINE(HAVE_COPYSIGNF)
+ AC_DEFINE(HAVE_FINITEF)
+ AC_DEFINE(HAVE_FINITE)
+ AC_DEFINE(HAVE_FREXPF)
+ AC_DEFINE(HAVE_HYPOT)
+ AC_DEFINE(HAVE_HYPOTF)
+ AC_DEFINE(HAVE_ISINF)
+ AC_DEFINE(HAVE_ISNAN)
+ AC_DEFINE(HAVE_ISNANF)
+ if test x"long_double_math_on_this_cpu" = x"yes"; then
+ AC_DEFINE(HAVE_FINITEL)
+ AC_DEFINE(HAVE_ISINFL)
+ AC_DEFINE(HAVE_ISNANL)
+ fi
+ ;;
+ *-mingw32*)
+ AC_CHECK_HEADERS([sys/types.h locale.h float.h])
+ GLIBCPP_CHECK_LINKER_FEATURES
+ GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
+ GLIBCPP_CHECK_WCHAR_T_SUPPORT
+ os_include_dir="os/mingw32"
+ ;;
+ *-windiss*)
+ os_include_dir="os/windiss"
+ ;;
+changequote(,)dnl
+ *-qnx6.[12]*)
+changequote([,])dnl
+ SECTION_FLAGS='-ffunction-sections -fdata-sections'
+ AC_SUBST(SECTION_FLAGS)
+ GLIBCPP_CHECK_LINKER_FEATURES
+ GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
+ GLIBCPP_CHECK_WCHAR_T_SUPPORT
+ os_include_dir="os/qnx/qnx6.1"
+ AC_DEFINE(HAVE_COSF)
+ AC_DEFINE(HAVE_COSL)
+ AC_DEFINE(HAVE_COSHF)
+ AC_DEFINE(HAVE_COSHL)
+ AC_DEFINE(HAVE_LOGF)
+ AC_DEFINE(HAVE_LOGL)
+ AC_DEFINE(HAVE_LOG10F)
+ AC_DEFINE(HAVE_LOG10L)
+ AC_DEFINE(HAVE_SINF)
+ AC_DEFINE(HAVE_SINL)
+ AC_DEFINE(HAVE_SINHF)
+ AC_DEFINE(HAVE_SINHL)
+ ;;
+ *)
+ os_include_dir="os/newlib"
+ AC_DEFINE(HAVE_HYPOT)
+ ;;
+ esac
- AC_DEFINE(_GLIBCPP_BUGGY_FLOAT_COMPLEX)
- AC_DEFINE(_GLIBCPP_BUGGY_COMPLEX)
- ;;
+ case "$target" in
+ *-mingw32*)
+ ;;
+ *-windiss*)
+ AC_DEFINE(HAVE_ACOSF)
+ AC_DEFINE(HAVE_ASINF)
+ AC_DEFINE(HAVE_ATAN2F)
+ AC_DEFINE(HAVE_ATANF)
+ AC_DEFINE(HAVE_CEILF)
+ AC_DEFINE(HAVE_COPYSIGN)
+ AC_DEFINE(HAVE_COPYSIGNF)
+ AC_DEFINE(HAVE_COSF)
+ AC_DEFINE(HAVE_COSHF)
+ AC_DEFINE(HAVE_EXPF)
+ AC_DEFINE(HAVE_FABSF)
+ AC_DEFINE(HAVE_FLOORF)
+ AC_DEFINE(HAVE_FMODF)
+ AC_DEFINE(HAVE_FREXPF)
+ AC_DEFINE(HAVE_LDEXPF)
+ AC_DEFINE(HAVE_LOG10F)
+ AC_DEFINE(HAVE_LOGF)
+ AC_DEFINE(HAVE_MODFF)
+ AC_DEFINE(HAVE_POWF)
+ AC_DEFINE(HAVE_SINF)
+ AC_DEFINE(HAVE_SINHF)
+ AC_DEFINE(HAVE_SQRTF)
+ AC_DEFINE(HAVE_TANF)
+ AC_DEFINE(HAVE_TANHF)
+ ;;
+ *-freebsd*)
+ # Must replicate generic section since we don't have strtof or strtold.
+ AC_DEFINE(HAVE_MMAP)
+ AC_DEFINE(HAVE_ACOSF)
+ AC_DEFINE(HAVE_ASINF)
+ AC_DEFINE(HAVE_ATAN2F)
+ AC_DEFINE(HAVE_ATANF)
+ AC_DEFINE(HAVE_CEILF)
+ AC_DEFINE(HAVE_COPYSIGN)
+ AC_DEFINE(HAVE_COPYSIGNF)
+ AC_DEFINE(HAVE_COSF)
+ AC_DEFINE(HAVE_COSHF)
+ AC_DEFINE(HAVE_EXPF)
+ AC_DEFINE(HAVE_FABSF)
+ AC_DEFINE(HAVE_FLOORF)
+ AC_DEFINE(HAVE_FMODF)
+ AC_DEFINE(HAVE_FREXPF)
+ AC_DEFINE(HAVE_LDEXPF)
+ AC_DEFINE(HAVE_LOG10F)
+ AC_DEFINE(HAVE_LOGF)
+ AC_DEFINE(HAVE_MODFF)
+ AC_DEFINE(HAVE_POWF)
+ AC_DEFINE(HAVE_SINF)
+ AC_DEFINE(HAVE_SINHF)
+ AC_DEFINE(HAVE_SQRTF)
+ AC_DEFINE(HAVE_TANF)
+ AC_DEFINE(HAVE_TANHF)
+ ;;
*)
- # We assume newlib. This lets us hard-code the functions we know
- # we'll have.
- AC_DEFINE(HAVE_FINITE)
- AC_DEFINE(HAVE_ISNAN)
- AC_DEFINE(HAVE_ISNANF)
- AC_DEFINE(HAVE_ISINF)
- AC_DEFINE(HAVE_ISINFF)
-
- ctype_include_dir="config/os/newlib"
- AC_LINK_FILES($ctype_include_dir/bits/ctype_base.h, bits/ctype_base.h)
- AC_LINK_FILES($ctype_include_dir/bits/ctype_inline.h, \
- bits/ctype_inline.h)
- AC_LINK_FILES($ctype_include_dir/bits/ctype_noninline.h, \
- bits/ctype_noninline.h)
-
- AC_DEFINE(_GLIBCPP_NEED_MBSTATE_T)
-
- AC_DEFINE(_GLIBCPP_BUGGY_FLOAT_COMPLEX)
- AC_DEFINE(_GLIBCPP_BUGGY_COMPLEX)
- # need to ceck for faster f versions of math functions, ie sinf?
- ;;
+ # GLIBCPP_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_ATAN2F)
+ AC_DEFINE(HAVE_ATANF)
+ AC_DEFINE(HAVE_CEILF)
+ AC_DEFINE(HAVE_COPYSIGN)
+ AC_DEFINE(HAVE_COPYSIGNF)
+ AC_DEFINE(HAVE_COSF)
+ AC_DEFINE(HAVE_COSHF)
+ AC_DEFINE(HAVE_EXPF)
+ AC_DEFINE(HAVE_FABSF)
+ AC_DEFINE(HAVE_FLOORF)
+ AC_DEFINE(HAVE_FMODF)
+ AC_DEFINE(HAVE_FREXPF)
+ AC_DEFINE(HAVE_LDEXPF)
+ AC_DEFINE(HAVE_LOG10F)
+ AC_DEFINE(HAVE_LOGF)
+ AC_DEFINE(HAVE_MODFF)
+ AC_DEFINE(HAVE_POWF)
+ AC_DEFINE(HAVE_SINF)
+ AC_DEFINE(HAVE_SINHF)
+ AC_DEFINE(HAVE_SQRTF)
+ AC_DEFINE(HAVE_TANF)
+ AC_DEFINE(HAVE_TANHF)
+ ;;
esac
+
+ # At some point, we should differentiate between architectures
+ # like x86, which have long double versions, and alpha/powerpc/etc.,
+ # which don't. For the time being, punt.
+ if test x"long_double_math_on_this_cpu" = x"yes"; then
+ AC_DEFINE(HAVE_ACOSL)
+ AC_DEFINE(HAVE_ASINL)
+ AC_DEFINE(HAVE_ATAN2L)
+ AC_DEFINE(HAVE_ATANL)
+ AC_DEFINE(HAVE_CEILL)
+ AC_DEFINE(HAVE_COPYSIGNL)
+ AC_DEFINE(HAVE_COSL)
+ AC_DEFINE(HAVE_COSHL)
+ AC_DEFINE(HAVE_EXPL)
+ AC_DEFINE(HAVE_FABSL)
+ AC_DEFINE(HAVE_FLOORL)
+ AC_DEFINE(HAVE_FMODL)
+ AC_DEFINE(HAVE_FREXPL)
+ AC_DEFINE(HAVE_LDEXPL)
+ AC_DEFINE(HAVE_LOG10L)
+ AC_DEFINE(HAVE_LOGL)
+ AC_DEFINE(HAVE_MODFL)
+ AC_DEFINE(HAVE_POWL)
+ AC_DEFINE(HAVE_SINCOSL)
+ AC_DEFINE(HAVE_SINL)
+ AC_DEFINE(HAVE_SINHL)
+ AC_DEFINE(HAVE_SQRTL)
+ AC_DEFINE(HAVE_TANL)
+ AC_DEFINE(HAVE_TANHL)
+ fi
+
else
# We are being configured natively. We can do more elaborate tests
# that include AC_TRY_COMPILE now, as the linker is assumed to be
# working.
-
- xcompiling=0
- NATIVE=yes
+ GLIBCPP_IS_CROSS_COMPILING=0
CANADIAN=no
- NULL_TARGET=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])
+ machine/param.h sys/machine.h fp.h locale.h float.h inttypes.h gconv.h sys/types.h])
GLIBCPP_CHECK_COMPILER_FEATURES
GLIBCPP_CHECK_LINKER_FEATURES
GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT
GLIBCPP_CHECK_MATH_SUPPORT
GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
- GLIBCPP_CHECK_COMPLEX_MATH_COMPILER_SUPPORT
- AC_CACHE_SAVE
GLIBCPP_CHECK_WCHAR_T_SUPPORT
- GLIBCPP_CHECK_CTYPE
+ GLIBCPP_CHECK_STDLIB_SUPPORT
+
+ # For showmanyc_helper().
+ AC_CHECK_HEADERS(sys/ioctl.h sys/filio.h)
+ GLIBCPP_CHECK_POLL
+ GLIBCPP_CHECK_S_ISREG_OR_S_IFREG
+
+ 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
+
+ # Establish limits on memory usage during 'make check'
+ GLIBCPP_CONFIGURE_TESTSUITE
fi
-AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
-AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
-AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
-AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
+# This depends on the possibly-skipped linker test above.
+GLIBCPP_ENABLE_SYMVERS([yes])
+
+# Propagate the target-specific source directories through the build chain.
+# (Nothing currently uses cpu_include_dir directly; only ATOMICITYH
+# uses it, and it only gets used in this file.)
+OS_INC_SRCDIR=config/${os_include_dir}
+ATOMICITY_INC_SRCDIR=config/${ATOMICITYH}
+AC_SUBST(OS_INC_SRCDIR)
+AC_SUBST(ATOMICITY_INC_SRCDIR)
-AC_LC_MESSAGES
+# Set up cross-compile flags
+AC_SUBST(GLIBCPP_IS_CROSS_COMPILING) dnl Unused so far.
+AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
+
+AC_CACHE_SAVE
if test "${multilib}" = "yes"; then
multilib_arg="--enable-multilib"
multilib_arg=
fi
+# Export all the install information
+GLIBCPP_EXPORT_INSTALL_INFO
-# Generate the various Makefiles, include files, and scripts.
-
-# This helps subvert libstdcxx_interface, as calculated by devo/config.if
-# Needed so that g++ can find the correct include subdir automatically.
-INTERFACE=v3
-
-# Check for the interface version number for specifying where header
-# files are installed, if a version number is provided.
-AC_MSG_CHECKING([for interface version number])
-libstdcxx_interface=$INTERFACE
-AC_MSG_RESULT($libstdcxx_interface)
-AC_SUBST(libstdcxx_interface)
-
-# Process the option --with-gxx-include-dir=<path to include-files directory>
-AC_MSG_CHECKING([for --with-gxx-include-dir])
-AC_ARG_WITH(gxx-include-dir,
-[ --with-gxx-include-dir the installation directory for include files],
-[case "${withval}" in
- yes)
- AC_MSG_ERROR(Missing directory for --with-gxx-include-dir)
- gxx_include_dir=no
- ;;
- no)
- gxx_include_dir=no
- ;;
- *)
- gxx_include_dir=${withval}
- ;;
-esac], [gxx_include_dir=no])
-AC_MSG_RESULT($gxx_include_dir)
-AC_SUBST(gxx_include_dir)
-AM_CONDITIONAL(GXX_INCLUDE_DIR, test x${gxx_include_dir} != xno)
-
-# Process the option "--enable-version-specific-runtime-libs"
-AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
-AC_ARG_ENABLE(version-specific-runtime-libs,
-[ --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory ],
-[ version_specific_libs=yes
-# Need the gcc compiler version to know where to install libraries
-# and header files if --enable-version-specific-runtime-libs option
-# is selected.
-changequote(,)dnl
-gcc_tmp=`grep version_string ${srcdir}/../gcc/version.c | awk '{print $6}'`
-gcc_num=`echo ${gcc_tmp} | sed 's/\"//g'`
-#gcc_date=`grep version_string ${srcdir}/../gcc/version.c | awk '{print $7}'`
-#gcc_version=$gcc_num-$gcc_date
-gcc_version=$gcc_num
-changequote([,])dnl
-AC_SUBST(gcc_version)
-],version_specific_libs=no)
-AC_MSG_RESULT($version_specific_libs)
-if test x${version_specific_libs} = xyes; then
- AM_CONDITIONAL(VERSION_SPECIFIC_LIBS, test x${version_specific_libs} = xyes)
- AC_MSG_WARN(version specific directory is: $gcc_version)
-fi
-
-
-
-# Export all the include and flag information to makefiles.
+# Export all the include and flag information to Makefiles.
GLIBCPP_EXPORT_INCLUDES
GLIBCPP_EXPORT_FLAGS
+if ${CONFIG_SHELL-/bin/sh} ./libtool --tag CXX --features |
+ grep "enable shared" > /dev/null; then
+ LIBSUPCXX_PICFLAGS=-prefer-pic
+else
+ LIBSUPCXX_PICFLAGS=
+fi
+AC_SUBST(LIBSUPCXX_PICFLAGS)
+
+# Generate the various Makefiles, include files, and scripts.
# NB: Multilibs need MULTISUBDIR defined correctly in src/Makefile.am
-# so that multilib installs will end up installed in the correct
-# place. To work around this not being passed down from config-ml.in
-# -> top_srcdir/Makefile.am -> top_srcdir/src/Makefile.am, manually
-# append it here.
-AC_OUTPUT(mkcheck Makefile src/Makefile libmath/Makefile libio/Makefile libsupc++/Makefile,
-[if test -n "$CONFIG_FILES"; then
- ac_file=Makefile . ${glibcpp_basedir}/../config-ml.in
- grep '^MULTISUBDIR =' Makefile >> src/Makefile
-fi],
+# and libsupc++/Makefile.am so that multilib installs will end up
+# installed in the correct place. To work around this not being passed
+# down from config-ml.in -> top_srcdir/Makefile.am ->
+# top_srcdir/{src,libsupc++}/Makefile.am, manually append it here.
+AC_OUTPUT(Makefile \
+include/Makefile src/Makefile \
+libmath/Makefile libio/Makefile libsupc++/Makefile \
+po/Makefile testsuite/Makefile mkcheck testsuite_flags,
+[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
+ if test -n "$CONFIG_FILES"; then
+ if test -n "${with_build_subdir}" || test -n "${with_target_subdir}"; then
+ LD="${ORIGINAL_LD_FOR_MULTILIBS}"
+ # Ony modify Makefiles that are just being created.
+ case " $CONFIG_FILES" in
+ *" Makefile"*)
+ ac_file=Makefile . ${glibcpp_basedir}/../config-ml.in
+ ;;
+ esac
+ case $CONFIG_FILES in
+ *src/Makefile*)
+ grep '^MULTISUBDIR =' Makefile >> src/Makefile
+ ;;
+ esac
+ case $CONFIG_FILES in
+ *libsupc++/Makefile*)
+ grep '^MULTISUBDIR =' Makefile >> libsupc++/Makefile
+ ;;
+ esac
+ fi
+ fi
+ chmod +x mkcheck
+ chmod +x testsuite_flags],
srcdir=${srcdir}
host=${host}
target=${target}
+with_target_subdir=${with_target_subdir}
+with_build_subdir=${with_build_subdir}
with_multisubdir=${with_multisubdir}
ac_configure_args="${multilib_arg} ${ac_configure_args}"
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
glibcpp_basedir=${glibcpp_basedir}
CC="${CC}"
CXX="${CXX}"
+ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
)
-
-
-blddir=`pwd`
-# Generate bits/c++config.h
-# NB: This must be the first generated file as others include it. . .
-AC_OUTPUT_COMMANDS([$srcdir/mkc++config $blddir $srcdir])
-
-# Generate bits/std_limits.h and src/limitsMEMBERS.cc
-if test ! -f stamp-limits; then
- AC_OUTPUT_COMMANDS([$srcdir/mknumeric_limits $blddir $srcdir $xcompiling])
- touch stamp-limits
-fi
+dnl In autoconf 2.5x, AC_OUTPUT is replaced by three AC_ macros:
+dnl AC_CONFIG_FILES(Makefile \
+dnl include/Makefile src/Makefile \
+dnl libmath/Makefile libio/Makefile libsupc++/Makefile \
+dnl po/Makefile testsuite/Makefile mkcheck testsuite_flags)
+dnl AC_CONFIG_COMMANDS([default],
+dnl [if test -n "$CONFIG_FILES"; then
+dnl # Ony modify Makefiles that are just being created.
+dnl case " $CONFIG_FILES" in
+dnl *" Makefile"*)
+dnl ac_file=Makefile . ${glibcpp_basedir}/../config-ml.in
+dnl ;;
+dnl esac
+dnl case $CONFIG_FILES in
+dnl *src/Makefile*)
+dnl grep '^MULTISUBDIR =' Makefile >> src/Makefile
+dnl ;;
+dnl esac
+dnl case $CONFIG_FILES in
+dnl *libsupc++/Makefile*)
+dnl grep '^MULTISUBDIR =' Makefile >> libsupc++/Makefile
+dnl ;;
+dnl esac
+dnl fi
+dnl chmod +x mkcheck
+dnl chmod +x testsuite_flags
+dnl ],
+dnl srcdir=${srcdir}
+dnl host=${host}
+dnl target=${target}
+dnl with_multisubdir=${with_multisubdir}
+dnl ac_configure_args="${multilib_arg} ${ac_configure_args}"
+dnl CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
+dnl glibcpp_basedir=${glibcpp_basedir}
+dnl CC="${CC}"
+dnl CXX="${CXX}"
+dnl )
+dnl AC_OUTPUT
# Sanity checking & User-visible messages.
touch stamp-sanity-warned
echo ""
echo "Please make certain that you read the installation information here:"
- echo " faster => ${srcdir}/docs/install.html"
- echo " slower => <URL:http://sources.redhat.com/libstdc++/install.html>"
+ echo " faster => ${srcdir}/docs/html/install.html"
+ echo " slower => <URL:http://gcc.gnu.org/onlinedocs/libstdc++/install.html>"
echo ""
echo "and the configuration information here:"
- echo " faster => ${srcdir}/docs/configopts.html"
- echo " slower => <URL:http://sources.redhat.com/libstdc++/configopts.html>"
+ echo " faster => ${srcdir}/docs/html/configopts.html"
+ echo " slower => <URL:http://gcc.gnu.org/onlinedocs/libstdc++/configopts.html>"
echo ""
echo "before proceeding with ${_cv_gnu_make_command}."
echo ""
fi
-
-
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