libm.cdl

eCos1.31版

# ====================================================================
#
#      libm.cdl
#
#      Maths library configuration data
#
# ====================================================================
#####COPYRIGHTBEGIN####
#                                                                          
# -------------------------------------------                              
# The contents of this file are subject to the Red Hat eCos Public License 
# Version 1.1 (the "License"); you may not use this file except in         
# compliance with the License.  You may obtain a copy of the License at    
# http://www.redhat.com/                                                   
#                                                                          
# Software distributed under the License is distributed on an "AS IS"      
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
# License for the specific language governing rights and limitations under 
# the License.                                                             
#                                                                          
# The Original Code is eCos - Embedded Configurable Operating System,      
# released September 30, 1998.                                             
#                                                                          
# The Initial Developer of the Original Code is Red Hat.                   
# Portions created by Red Hat are                                          
# Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
# All Rights Reserved.                                                     
# -------------------------------------------                              
#                                                                          
#####COPYRIGHTEND####
# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s):      bartv
# Original data:  jlarmour
# Contributors:
# Date:           1999-06-13
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_LIBM {
    display       "Math library"
    doc           redirect/the-iso-standard-c-and-math-libraries.html
    description   "
        ISO standard floating point mathematical library
        containing many useful functions for mathematical
        calculations."

    compile       misc/matherr.c misc/standard.c misc/compatmode.cxx          \
                  misc/infconst.c                                             \
                                                                              \
                  double/ieee754-core/e_acos.c double/ieee754-core/e_asin.c   \
                  double/ieee754-core/e_atan2.c double/ieee754-core/e_cosh.c  \
                  double/ieee754-core/e_exp.c double/ieee754-core/e_fmod.c    \
                  double/ieee754-core/e_log.c double/ieee754-core/e_log10.c   \
                  double/ieee754-core/e_pow.c                                 \
                  double/ieee754-core/e_rem_pio2.c                            \
                  double/ieee754-core/e_scalb.c double/ieee754-core/e_sinh.c  \
                  double/ieee754-core/e_sqrt.c                                \
                                                                              \
                  double/ieee754-api/w_acos.c double/ieee754-api/w_asin.c     \
                  double/ieee754-api/w_atan2.c double/ieee754-api/w_cosh.c    \
                  double/ieee754-api/w_exp.c double/ieee754-api/w_fmod.c      \
                  double/ieee754-api/w_log.c double/ieee754-api/w_log10.c     \
                  double/ieee754-api/w_pow.c double/ieee754-api/w_scalb.c     \
                  double/ieee754-api/w_sinh.c double/ieee754-api/w_sqrt.c     \
                                                                              \
                  double/internal/k_cos.c double/internal/k_rem_pio2.c        \
                  double/internal/k_sin.c double/internal/k_tan.c             \
                                                                              \
                  double/portable-api/s_atan.c double/portable-api/s_ceil.c   \
                  double/portable-api/s_copysign.c                            \
                  double/portable-api/s_cos.c double/portable-api/s_expm1.c   \
                  double/portable-api/s_fabs.c double/portable-api/s_finite.c \
                  double/portable-api/s_floor.c double/portable-api/s_frexp.c \
                  double/portable-api/s_isnan.c double/portable-api/s_ldexp.c \
                  double/portable-api/s_rint.c double/portable-api/s_scalbn.c \
                  double/portable-api/s_sin.c double/portable-api/s_tan.c     \
                  double/portable-api/s_modf.c double/portable-api/s_tanh.c


    # COMPATIBILITY-MODE RELATED CONFIGURATION OPTIONS
    cdl_component CYGPKG_LIBM_COMPATIBILITY {
        display       "Compatibility mode"
        flavor        none
        description   "
            These options deal with behaviour related to
            the various compatibility modes - POSIX, IEEE,
            X/OPEN and SVID."

        script        compat.cdl
    }

    # THREAD-SAFETY CONFIGURATION OPTIONS
    cdl_component CYGPKG_LIBM_THREAD_SAFETY {
        display       "Thread safety"
        flavor        none
        description   "
            This option controls whether the C library has
            support for thread safe operation in general.
            This requires eCos kernel support for per-thread
            data, and adjustment of the stack limit."

        cdl_option CYGSEM_LIBM_THREAD_SAFE_COMPAT_MODE {
            display       "Compatibility mode setting"
            requires      !CYGSEM_LIBM_COMPAT_IEEE_ONLY
            requires      CYGVAR_KERNEL_THREADS_DATA
            default_value 0
            description   "
                This option makes the setting of the compatiblity
                mode be a per-thread property. This directly
                implies that it also becomes thread-safe."
        }

    }

    # TRACING OPTIONS
    cdl_component CYGPKG_LIBM_TRACE {
        display       "Tracing output levels in math library"
        flavor        bool
        requires      CYGDBG_USE_TRACING
        default_value 0
        description   "
            Tracing support is useful for debugging. Some
            Math library modules can be configured with
            different levels of tracing verbosity. These
            levels can be configured here."


        cdl_option CYGNUM_LIBM_COMPATMODE_TRACE_LEVEL {
            display       "Compatibility mode get/set"
            requires      CYGSEM_LIBM_THREAD_SAFE_COMPAT_MODE
            flavor        data
            legal_values  0 to 1
            default_value 0
            description   "
                Trace level for debugging the getting and
                setting of the compatibility mode when it is
                configured to be thread-safe."
        }

    }



    define_proc {
        puts $::cdl_header "/***** proc output start *****/"

        puts $::cdl_header "#include <pkgconf/system.h>"

        # TYPE DEFINITIONS
        # Compatibility mode selector - required for default below

        puts $::cdl_header "typedef enum {"
        puts $::cdl_header "    CYGNUM_LIBM_COMPAT_UNINIT= 0,  // Default state. DO NOT set it to this"
        puts $::cdl_header "    CYGNUM_LIBM_COMPAT_POSIX = 1,  // ANSI/POSIX 1003.1"
        puts $::cdl_header "    CYGNUM_LIBM_COMPAT_IEEE  = 2,  // IEEE-754"
        puts $::cdl_header "    CYGNUM_LIBM_COMPAT_XOPEN = 3,  // X/OPEN Portability guide issue 3"
        puts $::cdl_header "                                   // (XPG3)"
        puts $::cdl_header "    CYGNUM_LIBM_COMPAT_SVID  = 4   // System V Interface Definition 3rd"
        puts $::cdl_header "                                   // edition"
        puts $::cdl_header "} Cyg_libm_compat_t;"
        puts $::cdl_header ""

        puts $::cdl_header "/****** proc output end ******/"
    }

    cdl_component CYGPKG_LIBM_OPTIONS {
        display "Math library build options"
        flavor  none
        description   "
	    Package specific build options including control over
	    compiler flags used only in building this package,
	    and details of which tests are built."


        cdl_option CYGPKG_LIBM_CFLAGS_ADD {
            display "Additional compiler flags"
            flavor  data
            no_define
            default_value { 0 == CYGPKG_HAL_I386 ? "" : "-ffloat-store" }
            description   "
                This option modifies the set of compiler flags for
                building the math library. These flags are used in addition
                to the set of global flags."
        }

        cdl_option CYGPKG_LIBM_CFLAGS_REMOVE {
            display "Supressed compiler flags"
            flavor  data
            no_define
            default_value { "" }
            description   "
                This option modifies the set of compiler flags for
                building the math library. These flags are removed from
                the set of global flags if present."
        }

        cdl_option CYGPKG_LIBM_TESTS {
            display "Math library tests"
            flavor  data
            no_define
            calculated { "tests/vectors/acos tests/vectors/asin tests/vectors/atan tests/vectors/atan2 tests/vectors/ceil tests/vectors/cos tests/vectors/cosh tests/vectors/exp tests/vectors/fabs tests/vectors/floor tests/vectors/fmod tests/vectors/frexp tests/vectors/ldexp tests/vectors/log tests/vectors/log10 tests/vectors/modf tests/vectors/pow tests/vectors/sin tests/vectors/sinh tests/vectors/sqrt tests/vectors/tan tests/vectors/tanh" }
            description   "
                This option specifies the set of tests for the math library."
        }
    }
}