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|
::
:: Licensed under the Apache License, Version 2.0 (the "License");
:: you may not use this file except in compliance with the License.
:: You may obtain a copy of the License at
::
:: http://www.apache.org/licenses/LICENSE-2.0
::
:: Unless required by applicable law or agreed to in writing, software
:: distributed under the License is distributed on an "AS IS" BASIS,
:: WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
:: See the License for the specific language governing permissions and
:: limitations under the License.
::
::
:: Detect the compiler edition we're building in.
:: Set the COMPILER environment variable to one of:
:: gcc = MinGW / MSYS2 and gcc toolchain
:: vc100 = Visual Studio 2010
:: vc110 = Visual Studio 2012
:: vc120 = Visual Studio 2013
:: vc140 = Visual Studio 2015
:: vc141 = Visual Studio 2017
::
:: Honors any existing COMPILER environment variable
:: setting instead of overwriting it, to allow it
:: to be forced if needed.
::
:: Sets ERRORLEVEL to 0 if COMPILER can be determined,
:: to 1 if it cannot.
::
IF DEFINED COMPILER (
ECHO [warn ] using existing environment variable COMPILER
EXIT /B 0
)
IF NOT "%PROFILE:~0,4%" == "MSVC" (
SET COMPILER=gcc
) ELSE (
CALL :CHECK 16
IF !ERRORLEVEL! == 0 (SET COMPILER=vc100)
CALL :CHECK 17
IF !ERRORLEVEL! == 0 (SET COMPILER=vc110)
CALL :CHECK 18
IF !ERRORLEVEL! == 0 (SET COMPILER=vc120)
CALL :CHECK 19.0
IF !ERRORLEVEL! == 0 (SET COMPILER=vc140)
CALL :CHECK 19.1
IF !ERRORLEVEL! == 0 (SET COMPILER=vc141)
CALL :CHECK 19.2
IF !ERRORLEVEL! == 0 (SET COMPILER=vc142)
)
IF NOT DEFINED COMPILER (
ECHO [error] unable to determine the compiler edition
EXIT /B 1
)
ECHO [info ] detected compiler edition %COMPILER%
EXIT /B 0
:CHECK
cl /? 2>&1 | findstr /C:"Version %1%" > nul
EXIT /B
|
