mulle-bootstrap-gcc.sh
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 #! /bin/sh
 #
 #   Copyright (c) 2015 Nat! - Mulle kybernetiK
 #   All rights reserved.
 #
 #   Redistribution and use in source and binary forms, with or without
 #   modification, are permitted provided that the following conditions are met:
 #
 #   Redistributions of source code must retain the above copyright notice, this
 #   list of conditions and the following disclaimer.
 #
 #   Redistributions in binary form must reproduce the above copyright notice,
 #   this list of conditions and the following disclaimer in the documentation
 #   and/or other materials provided with the distribution.
 #
 #   Neither the name of Mulle kybernetiK nor the names of its contributors
 #   may be used to endorse or promote products derived from this software
 #   without specific prior written permission.
 #
 #   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 #   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 #   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 #   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 #   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 #   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 #   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 #   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 #   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 #   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 #
 
 gcc_sdk_parameter()
 {
    local sdk
 
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    sdk="$1"
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    local sdkpath
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    if [ "`uname`" = "Darwin" ]
    then
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       if [ "${sdk}" = "Default" ]
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       then
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          sdkpath="`xcrun --show-sdk-path`"
       else
          sdkpath="`xcrun --sdk "${sdk}" --show-sdk-path`"
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       fi
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       if [ "${sdkpath}" = "" ]
       then
          fail "SDK \"${sdk}\" is not installed"
       fi
       echo "${sdkpath}"
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    fi
 }
 
 
 # Mash some known settings from xcodebuild together for regular
 # OTHER_CFLAGS
 # WARNING_CFLAGS
 # GCC_PREPROCESSOR_DEFINITIONS
 
 gcc_cflags_value()
 {
    local value
    local result
    local name
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    local i
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    name="${1}"
 
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    result="`read_build_setting "${name}" "OTHER_CFLAGS"`"
    value="`read_build_setting "${name}"  "WARNING_CFLAGS"`"
    result="`concat "$result" "$value"`"
    for i in `read_build_setting "${name}" "GCC_PREPROCESSOR_DEFINITIONS"`
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    do
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       result="`concat "$result" "-D${i}"`"
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    done
 
    echo "${result}"
 }
 
 
 gcc_cppflags_value()
 {
    local value
    local result
    local name
 
    name="${1}"
 
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    result="`read_build_setting "${name}" "OTHER_CPPFLAGS"`"
    value="`gcc_cflags_value "${name}"`"
    result="`concat "$result" "$value"`"
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    echo "${result}"
 }
 
 
 gcc_ldflags_value()
 {
    local result
    local name
 
    name="${1}"
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    result="`read_build_setting "${name}" "OTHER_LDFLAGS"`"
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    echo "${result}"
 }