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