Merge tag 'sound-fix-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...
[linux-2.6-microblaze.git] / scripts / gcc-plugin.sh
1 #!/bin/sh
2 srctree=$(dirname "$0")
3
4 SHOW_ERROR=
5 if [ "$1" = "--show-error" ] ; then
6         SHOW_ERROR=1
7         shift || true
8 fi
9
10 gccplugins_dir=$($3 -print-file-name=plugin)
11 plugincc=$($1 -E -x c++ - -o /dev/null -I"${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
18 EOF
19 )
20
21 if [ $? -ne 0 ]
22 then
23         if [ -n "$SHOW_ERROR" ] ; then
24                 echo "${plugincc}" >&2
25         fi
26         exit 1
27 fi
28
29 case "$plugincc" in
30         *"$1 CC"*)
31                 echo "$1"
32                 exit 0
33                 ;;
34
35         *"$2 CXX"*)
36                 # the c++ compiler needs another test, see below
37                 ;;
38
39         *)
40                 exit 1
41                 ;;
42 esac
43
44 # we need a c++ compiler that supports the designated initializer GNU extension
45 plugincc=$($2 -c -x c++ -std=gnu++98 - -fsyntax-only -I"${srctree}"/gcc-plugins -I"${gccplugins_dir}"/include 2>&1 <<EOF
46 #include "gcc-common.h"
47 class test {
48 public:
49         int test;
50 } test = {
51         .test = 1
52 };
53 EOF
54 )
55
56 if [ $? -eq 0 ]
57 then
58         echo "$2"
59         exit 0
60 fi
61
62 if [ -n "$SHOW_ERROR" ] ; then
63         echo "${plugincc}" >&2
64 fi
65 exit 1