Print error message if trying to do a native Unix build
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@264 632fc199-4ca6-4c93-a231-07263d6284db
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c0638ce..52d50f8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@
project(libjpeg-turbo)
set(VERSION 1.0.80)
-if(UNIX OR MINGW OR CYGWIN)
+if(MINGW OR CYGWIN)
execute_process(COMMAND "date" "+%Y%m%d" OUTPUT_VARIABLE BUILD)
string(REGEX REPLACE "\n" "" BUILD ${BUILD})
elseif(WIN32)
@@ -15,7 +15,7 @@
OUTPUT_VARIABLE BUILD)
string(REGEX REPLACE "\n" "" BUILD ${BUILD})
else()
- message(FATAL_ERROR "date not implemented")
+ message(FATAL_ERROR "Platform not supported by this build system. Use autotools instead.")
endif()
if(NOT CMAKE_BUILD_TYPE)