From 3fb01a82db464189c9a150675aa650e4b457b0ec Mon Sep 17 00:00:00 2001
From: Roman Tsisyk <roman@tsisyk.com>
Date: Fri, 28 Jun 2013 17:37:24 +0400
Subject: [PATCH] Add an error message about GCC 4.7 and libobjc2 to CMake
---
cmake/compiler.cmake | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/cmake/compiler.cmake b/cmake/compiler.cmake
index 896273f4cc..a2206d086e 100644
--- a/cmake/compiler.cmake
+++ b/cmake/compiler.cmake
@@ -23,11 +23,16 @@ if (CMAKE_C_COMPILER_ID STREQUAL Clang)
endif()
# Check GCC version:
-# GCC older than 4.6 is not supported.
if (CMAKE_COMPILER_IS_GNUCC)
execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion
OUTPUT_VARIABLE CC_VERSION)
- if (CC_VERSION VERSION_GREATER 4.4.5 OR CC_VERSION VERSION_EQUAL 4.4.5)
+ if (CC_VERSION VERSION_GREATER 4.7 OR CC_VERSION VERSION_EQUAL 4.7)
+ message(FATAL_ERROR
+ "GNU GCC version >= 4.7 has well known problems with "
+ "GNUstep's libobjc2 runtime which is used by Tarantool. "
+ "The target binary will be unusable. Please you use CC=gcc-4.6 "
+ "or CC=clang or upgrade to Tarantool 1.5.x or later.")
+ elseif (CC_VERSION VERSION_GREATER 4.4.5 OR CC_VERSION VERSION_EQUAL 4.4.5)
message(STATUS
"${CMAKE_C_COMPILER} version >= 4.4.5 -- ${CC_VERSION}")
else()
--
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