X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Fconfigure.in;h=b9da74a2c403836ba5edd529142c14a1162112ac;hb=3a2785797d761c76ad5f4b335eb145c9dbf580b8;hp=9a0b3b7fdf91a9bcb316f93e543236e288a92d5a;hpb=9c111331d62bdb6607f505a4c2d29affe16a7856;p=pf3gnuchains%2Fgcc-fork.git diff --git a/libstdc++-v3/configure.in b/libstdc++-v3/configure.in index 9a0b3b7fdf9..b9da74a2c40 100644 --- a/libstdc++-v3/configure.in +++ b/libstdc++-v3/configure.in @@ -1,213 +1,452 @@ # 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/ios.cc) -AC_CONFIG_AUX_DIR(..) -# Gets and sets build, host, target, *_vendor, *_cpu, *_os, etc. +# 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-$target} +AC_SUBST(target_alias) -# We use these options to decide which functions to include. -AC_ARG_WITH(target-subdir, -[ --with-target-subdir=SUBDIR - configuring in a subdirectory]) -AC_ARG_WITH(cross-host, -[ --with-cross-host=HOST configuring with a cross compiler]) - -# Runs configure.host and configure.target. Have to run this before -# the GLIBCPP_ENABLE_* macros below. +# Runs configure.target, finds CC, CXX and assorted other critical bits. +# Must run this before the GLIBCPP_ENABLE_* macros below. GLIBCPP_CONFIGURE(.) +AM_INIT_AUTOMAKE($PACKAGE, $gcc_version) +AM_CONFIG_HEADER(config.h) + AC_LIBTOOL_DLOPEN AM_PROG_LIBTOOL AC_SUBST(enable_shared) AC_SUBST(enable_static) -GLIBCPP_CHECK_GNU_MAKE - if test "x$_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) # Check for c++ or library specific bits that don't require linking. -GLIBCPP_CHECK_COMPILER_VERSION +#GLIBCPP_CHECK_COMPILER_VERSION +GLIBCPP_CHECK_GNU_MAKE -# Enable all the crazy c++ stuff. C_MBCHAR must come early. -GLIBCPP_ENABLE_DEBUG($USE_MAINTAINER_MODE) +# Enable all the variable C++ stuff. C_MBCHAR must come early. GLIBCPP_ENABLE_CSTDIO +GLIBCPP_ENABLE_CLOCALE +GLIBCPP_ENABLE_CHEADERS([$c_model]) GLIBCPP_ENABLE_C_MBCHAR([yes]) -GLIBCPP_ENABLE_LONG_LONG([no]) -GLIBCPP_ENABLE_CHEADERS([c_std]) +GLIBCPP_ENABLE_C99([yes]) +GLIBCPP_ENABLE_LONG_LONG([yes]) GLIBCPP_ENABLE_THREADS -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 $target_thread_file = single; then + AC_MSG_WARN([They cannot be faked when thread support is disabled.]) + AC_MSG_WARN([Thread-safety of certain classes is not guaranteed.]) + else + AC_MSG_WARN([They will be faked using a mutex.]) + AC_MSG_WARN([Performance of certain classes will degrade as a result.]) + fi +fi - # We are being configured with a cross compiler. AC_REPLACE_FUNCS - # may not work correctly, because the compiler may not be able to - # link executables. - xcompiling=1 - NATIVE=no - # If Canadian cross, then don't pick up tools from the build - # directory. - if test x"$build" != x"$with_cross_host" && x"$build" != x"$target"; then +if test -n "$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 + # 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*) - # Construct linux crosses by hand, eliminating bits that need ld... - # 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]) - - # GLIBCPP_CHECK_COMPILER_FEATURES - WFMT_FLAGS='-fdiagnostics-show-location=once' - SECTION_FLAGS='-ffunction-sections -fdata-sections' - AC_SUBST(WFMT_FLAGS) - AC_SUBST(SECTION_FLAGS) - GLIBCPP_CHECK_LINKER_FEATURES - # GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT - # GLIBCPP_CHECK_MATH_SUPPORT - 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_FINITE) - AC_DEFINE(HAVE_FINITEF) - AC_DEFINE(HAVE_FLOORF) - AC_DEFINE(HAVE_FMODF) - AC_DEFINE(HAVE_FREXPF) - AC_DEFINE(HAVE_ISINF) - AC_DEFINE(HAVE_ISINFF) - AC_DEFINE(HAVE_ISNAN) - AC_DEFINE(HAVE_ISNANF) - AC_DEFINE(HAVE_LDEXPF) - AC_DEFINE(HAVE_LOG10F) - AC_DEFINE(HAVE_LOGF) - AC_DEFINE(HAVE_MODFF) - AC_DEFINE(HAVE_POWF) - AC_DEFINE(HAVE_SINCOS) - AC_DEFINE(HAVE_SINCOSF) - AC_DEFINE(HAVE_SINF) - AC_DEFINE(HAVE_SINHF) - AC_DEFINE(HAVE_SQRTF) - AC_DEFINE(HAVE_TANF) - AC_DEFINE(HAVE_TANHF) - - # 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_FINITEL) - AC_DEFINE(HAVE_FLOORL) - AC_DEFINE(HAVE_FMODL) - AC_DEFINE(HAVE_FREXPL) - AC_DEFINE(HAVE_ISINFL) - AC_DEFINE(HAVE_ISNANL) - 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 - GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT - GLIBCPP_CHECK_COMPLEX_MATH_COMPILER_SUPPORT - GLIBCPP_CHECK_WCHAR_T_SUPPORT - os_include_dir="config/os/gnu-linux" - # GLIBCPP_CHECK_STDLIB_SUPPORT - AC_DEFINE(HAVE_STRTOF) - AC_DEFINE(HAVE_STRTOLD) - # AC_FUNC_MMAP - AC_DEFINE(HAVE_MMAP) - ;; + 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 + + 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) - - os_include_dir="config/os/newlib" - - AC_DEFINE(_GLIBCPP_BUGGY_FLOAT_COMPLEX) - AC_DEFINE(_GLIBCPP_BUGGY_COMPLEX) - # need to check 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 gconv.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 GLIBCPP_CHECK_WCHAR_T_SUPPORT 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 + ], [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 -# Now that ctype is determined for all possible targets, we can do this... -AC_LINK_FILES($os_include_dir/bits/ctype_base.h, \ -include/bits/ctype_base.h) -AC_LINK_FILES($os_include_dir/bits/ctype_inline.h, \ -include/bits/ctype_inline.h) -AC_LINK_FILES($os_include_dir/bits/ctype_noninline.h, \ -include/bits/ctype_noninline.h) -AC_LINK_FILES($ATOMICITYH/bits/atomicity.h, include/bits/atomicity.h) - -AM_CONDITIONAL(NULL_TARGET, test "$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/${ATOMICITYH} +AC_SUBST(OS_INC_SRCDIR) +AC_SUBST(ATOMICITY_INC_SRCDIR) + +# Set up cross-compile flags +AC_SUBST(GLIBCPP_IS_CROSS_COMPILING) dnl Unused so far. AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes) AC_CACHE_SAVE -AC_LC_MESSAGES if test "${multilib}" = "yes"; then multilib_arg="--enable-multilib" @@ -215,124 +454,106 @@ else multilib_arg= fi +# Export all the install information +GLIBCPP_EXPORT_INSTALL_INFO -# Generate the various Makefiles, include files, and scripts. - -# This helps subvert libstdcxx_interface, as calculated by devo/config.if -# Needed so that g++ can find the correct include subdir automatically. -INTERFACE=v3 - -# Check for the interface version number for specifying where header -# files are installed, if a version number is provided. -AC_MSG_CHECKING([for interface version number]) -libstdcxx_interface=$INTERFACE -AC_MSG_RESULT($libstdcxx_interface) -AC_SUBST(libstdcxx_interface) - -# Process the option --with-gxx-include-dir= -AC_MSG_CHECKING([for --with-gxx-include-dir]) -AC_ARG_WITH(gxx-include-dir, -[ --with-gxx-include-dir the installation directory for include files], -[case "${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: $gcc_version) -fi - -# We have to install all the generated or linked includes files -# specified as build_headers in src/Makefile.am in a target-dependent -# place, or else multiple installs for different compilers will -# overwrite these files. -# NB: Keep this and gcc/Makefile.in's -DGPLUSPLUS_TOOL_INCLUDE_DIR in sync. -gxx_target_include_dir='$(exec_prefix)/$(target_alias)/include/g++-$(libstdcxx_interface)' -AC_SUBST(gxx_target_include_dir) - - -# Export all the include and flag information to makefiles. +# Export all the include and flag information to Makefiles. GLIBCPP_EXPORT_INCLUDES GLIBCPP_EXPORT_FLAGS -# This should be done by mkincludedir, but hack around it now. -blddir=`pwd` -echo "checking for $blddir/include" - -if test ! -d "$blddir/include"; then - mkdir "$blddir/include" +if ${CONFIG_SHELL-/bin/sh} ./libtool --tag CXX --features | + grep "enable shared" > /dev/null; then + LIBSUPCXX_PICFLAGS=-prefer-pic +else + LIBSUPCXX_PICFLAGS= fi +AC_SUBST(LIBSUPCXX_PICFLAGS) +# Generate the various Makefiles, include files, and scripts. # NB: Multilibs need MULTISUBDIR defined correctly in src/Makefile.am # and libsupc++/Makefile.am so that multilib installs will end up # installed in the correct place. To work around this not being passed # down from config-ml.in -> top_srcdir/Makefile.am -> # top_srcdir/{src,libsupc++}/Makefile.am, manually append it here. -AC_OUTPUT(tests_flags mkcheck Makefile src/Makefile libmath/Makefile libio/Makefile libsupc++/Makefile, -[if test -n "$CONFIG_FILES"; then - ac_file=Makefile . ${glibcpp_basedir}/../config-ml.in - grep '^MULTISUBDIR =' Makefile >> src/Makefile - grep '^MULTISUBDIR =' Makefile >> libsupc++/Makefile -fi -chmod +x tests_flags -chmod +x mkcheck -], +AC_OUTPUT(Makefile \ +include/Makefile src/Makefile \ +libmath/Makefile libio/Makefile libsupc++/Makefile \ +po/Makefile testsuite/Makefile mkcheck testsuite_flags, +[test -z "$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}" ) - - -# Generate bits/c++config.h -# NB: This must be the first generated file as others include it. . . -$srcdir/mkc++config $blddir $srcdir - -# Generate bits/std_limits.h and src/limitsMEMBERS.cc -if test ! -f stamp-limits; then - $srcdir/mknumeric_limits $blddir $srcdir $xcompiling - if test ! -f include/bits/std_limits.h; then - echo "mknumeric_limits failed to execute properly: exiting" - exit 1 - else - touch stamp-limits - fi -fi +dnl In autoconf 2.5x, AC_OUTPUT is replaced by three AC_ macros: +dnl AC_CONFIG_FILES(Makefile \ +dnl include/Makefile src/Makefile \ +dnl libmath/Makefile libio/Makefile libsupc++/Makefile \ +dnl po/Makefile testsuite/Makefile mkcheck testsuite_flags) +dnl AC_CONFIG_COMMANDS([default], +dnl [if test -n "$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. @@ -347,11 +568,11 @@ if test ! -f stamp-sanity-warned; then touch stamp-sanity-warned echo "" echo "Please make certain that you read the installation information here:" - echo " faster => ${srcdir}/docs/install.html" + echo " faster => ${srcdir}/docs/html/install.html" echo " slower => " echo "" echo "and the configuration information here:" - echo " faster => ${srcdir}/docs/configopts.html" + echo " faster => ${srcdir}/docs/html/configopts.html" echo " slower => " echo "" echo "before proceeding with ${_cv_gnu_make_command}."