Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetoot...
[linux-2.6-block.git] / scripts / gcc-plugin.sh
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1#!/bin/sh
2srctree=$(dirname "$0")
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3
4SHOW_ERROR=
5if [ "$1" = "--show-error" ] ; then
6 SHOW_ERROR=1
7 shift || true
8fi
9
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10gccplugins_dir=$($3 -print-file-name=plugin)
11plugincc=$($1 -E -x c++ - -o /dev/null -I"${srctree}"/gcc-plugins -I"${gccplugins_dir}"/include 2>&1 <<EOF
12#include "gcc-common.h"
13#if BUILDING_GCC_VERSION >= 4008 || defined(ENABLE_BUILD_WITH_CXX)
14#warning $2 CXX
15#else
16#warning $1 CC
17#endif
18EOF
19)
20
21if [ $? -ne 0 ]
22then
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23 if [ -n "$SHOW_ERROR" ] ; then
24 echo "${plugincc}" >&2
25 fi
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26 exit 1
27fi
28
29case "$plugincc" in
30 *"$1 CC"*)
31 echo "$1"
32 exit 0
33 ;;
34
35 *"$2 CXX"*)
36 # the c++ compiler needs another test, see below
37 ;;
38
39 *)
40 exit 1
41 ;;
42esac
43
44# we need a c++ compiler that supports the designated initializer GNU extension
45plugincc=$($2 -c -x c++ -std=gnu++98 - -fsyntax-only -I"${srctree}"/gcc-plugins -I"${gccplugins_dir}"/include 2>&1 <<EOF
46#include "gcc-common.h"
47class test {
48public:
49 int test;
50} test = {
51 .test = 1
52};
53EOF
54)
55
56if [ $? -eq 0 ]
57then
58 echo "$2"
59 exit 0
60fi
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61
62if [ -n "$SHOW_ERROR" ] ; then
63 echo "${plugincc}" >&2
64fi
6b90bd4b 65exit 1