AC_INIT(src/ios.cc)
PACKAGE=libstdc++
-MAJOR_VERSION=3
-MINOR_VERSION=1
-MICRO_VERSION=0
-VERSION=$MAJOR_VERSION.$MINOR_VERSION.$MICRO_VERSION
AC_SUBST(PACKAGE)
-AC_SUBST(VERSION)
+# For typical GNU versioning info, format is MAJOR.MINOR.MICRO
+release_VERSION=3.1.0
+AC_SUBST(release_VERSION)
+# For libtool versioning info, format is CURRENT:REVISION:AGE
+libtool_VERSION=4:0:0
+AC_SUBST(libtool_VERSION)
# Gets build, host, target, *_vendor, *_cpu, *_os, etc.
# AC 2.50 sets target_alias iff the user specified --target, but we use it
target_alias=${target_alias-$target}
AC_SUBST(target_alias)
-AM_INIT_AUTOMAKE($PACKAGE, $VERSION)
+AM_INIT_AUTOMAKE($PACKAGE, $release_VERSION)
AM_CONFIG_HEADER(config.h)
# Runs configure.host and configure.target, as well as finds CC, CXX
GLIBCPP_ENABLE_THREADS
GLIBCPP_ENABLE_CXX_FLAGS([none])
GLIBCPP_ENABLE_SJLJ_EXCEPTIONS
+GLIBCPP_ENABLE_CONCEPT_CHECKS
if test -n "$with_cross_host" || test x"$build" != x"$host"; then
+ # 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 this is done, all
+ # of this hokey, excessive AC_DEFINE junk for crosses can be removed.
+
# We are being configured with some form of cross compiler.
- # mknumeric_limits may not work correctly, either because the
- # compiler may not run on this machine, may not be able to link
- # executables, or may produce executables we can't run on this
- # machine. Thus, just use the pre-generated include/bits/limits_generic.h
GLIBCPP_IS_CROSS_COMPILING=1
# If Canadian cross, then don't pick up tools from the build
CANADIAN=no
fi
+ # Construct crosses by hand, eliminating bits that need ld...
+ # GLIBCPP_CHECK_COMPILER_FEATURES
+ # GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT
+ # GLIBCPP_CHECK_MATH_SUPPORT
+
case "$target_alias" 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
- SECTION_FLAGS='-ffunction-sections -fdata-sections'
- 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_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)
- ;;
+ # 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="config/os/gnu-linux"
+ AC_DEFINE(HAVE_COPYSIGN)
+ AC_DEFINE(HAVE_COPYSIGNF)
+ AC_DEFINE(HAVE_FINITEF)
+ AC_DEFINE(HAVE_FREXPF)
+ AC_DEFINE(HAVE_HYPOTF)
+ AC_DEFINE(HAVE_SINCOS)
+ AC_DEFINE(HAVE_SINCOSF)
+ if test x"long_double_math_on_this_cpu" = x"yes"; then
+ AC_DEFINE(HAVE_HYPOTL)
+ 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="config/os/hpux"
+ AC_DEFINE(HAVE_COPYSIGN)
+ AC_DEFINE(HAVE_COPYSIGNF)
+ AC_DEFINE(HAVE_FINITEF)
+ AC_DEFINE(HAVE_FREXPF)
+ AC_DEFINE(HAVE_HYPOT)
+ AC_DEFINE(HAVE_SINCOS)
+ AC_DEFINE(HAVE_SINCOSF)
+ ;;
+ *-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="config/os/bsd/netbsd"
+ AC_DEFINE(HAVE_COPYSIGN)
+ AC_DEFINE(HAVE_COPYSIGNF)
+ AC_DEFINE(HAVE_FINITEF)
+ AC_DEFINE(HAVE_FREXPF)
+ AC_DEFINE(HAVE_HYPOTF)
+ ;;
*)
- # 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"
-
- # need to check for faster f versions of math functions, ie sinf?
- ;;
+ os_include_dir="config/os/newlib"
+ AC_DEFINE(HAVE_HYPOT)
+ ;;
esac
+
+ # 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_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_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
else
# We are being configured natively. We can do more elaborate tests
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. ])])
+ #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
# Propagate the target-specific source directories through the build chain.
OS_INC_SRCDIR=$os_include_dir/bits
ATOMICITY_INC_SRCDIR=$ATOMICITYH/bits
-LIMITS_INC_SRCDIR=$LIMITSH/bits
+CPU_LIMITS_INC_SRCDIR=$CPULIMITSH/bits
AC_SUBST(OS_INC_SRCDIR)
AC_SUBST(ATOMICITY_INC_SRCDIR)
-AC_SUBST(LIMITS_INC_SRCDIR)
+AC_SUBST(CPU_LIMITS_INC_SRCDIR)
# Set up cross-compile flags
AC_SUBST(GLIBCPP_IS_CROSS_COMPILING)
AC_OUTPUT(Makefile \
include/Makefile src/Makefile \
libmath/Makefile libio/Makefile libsupc++/Makefile \
- po/Makefile intl/Makefile testsuite/Makefile mkcheck testsuite_flags,
+ po/Makefile testsuite/Makefile mkcheck testsuite_flags,
[if test -n "$CONFIG_FILES"; then
ac_file=Makefile . ${glibcpp_basedir}/../config-ml.in
grep '^MULTISUBDIR =' Makefile >> src/Makefile
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