67 lines
1.1 KiB
Bash
67 lines
1.1 KiB
Bash
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#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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srctree=$(dirname "$0")
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SHOW_ERROR=
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if [ "$1" = "--show-error" ] ; then
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SHOW_ERROR=1
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shift || true
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fi
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gccplugins_dir=$($3 -print-file-name=plugin)
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plugincc=$($1 -E -x c++ - -o /dev/null -I"${srctree}"/gcc-plugins -I"${gccplugins_dir}"/include 2>&1 <<EOF
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#include "gcc-common.h"
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#if BUILDING_GCC_VERSION >= 4008 || defined(ENABLE_BUILD_WITH_CXX)
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#warning $2 CXX
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#else
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#warning $1 CC
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#endif
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EOF
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)
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if [ $? -ne 0 ]
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then
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if [ -n "$SHOW_ERROR" ] ; then
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echo "${plugincc}" >&2
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fi
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exit 1
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fi
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case "$plugincc" in
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*"$1 CC"*)
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echo "$1"
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exit 0
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;;
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*"$2 CXX"*)
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# the c++ compiler needs another test, see below
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;;
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*)
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exit 1
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;;
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esac
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# we need a c++ compiler that supports the designated initializer GNU extension
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plugincc=$($2 -c -x c++ -std=gnu++98 - -fsyntax-only -I"${srctree}"/gcc-plugins -I"${gccplugins_dir}"/include 2>&1 <<EOF
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#include "gcc-common.h"
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class test {
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public:
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int test;
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} test = {
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.test = 1
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};
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EOF
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)
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if [ $? -eq 0 ]
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then
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echo "$2"
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exit 0
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fi
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if [ -n "$SHOW_ERROR" ] ; then
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echo "${plugincc}" >&2
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fi
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exit 1
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