Clean up the unordered_map fallback support.

  - Now there is only one macro for all use of unordered_map in the code.
  - Moving all instances of gcc/cuda version detection into a single file.
  - Adding a warning when the fallback is triggered.

[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 13542]

1 files changed, 38 insertions, 0 deletions

diff --git a/version_detection.mk b/version_detection.mk
new file mode 100644
index 0000000..d73a05e
--- /dev/null
+++ b/version_detection.mk
@@ -0,0 +1,38 @@
+# Copyright (c) 2009-2011, Tor M. Aamodt
+# Wilson W.L. Fung, Ali Bakhoda
+# The University of British Columbia
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# Redistributions of source code must retain the above copyright notice, this
+# list of conditions and the following disclaimer.
+# Redistributions in binary form must reproduce the above copyright notice, this
+# list of conditions and the following disclaimer in the documentation and/or
+# other materials provided with the distribution.
+# Neither the name of The University of British Columbia nor the names of its
+# contributors may be used to endorse or promote products derived from this
+# software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+# Detect CUDA Runtime Version 
+CUDART_VERSION:=$(shell $(CUDA_INSTALL_PATH)/bin/nvcc --version | awk '/release/ {print $$5;}' | sed 's/,//' | sed 's/\./ /' | awk '{printf("%02u%02u", 10*int($$1), 10*$$2);}')
+
+# Detect GCC Version 
+CC_VERSION := $(shell gcc --version | perl -ne '/gcc\s+\(.*\)\s+([0-9.]+)/ and print $$1;')
+
+# Detect Support for C++11 (C++0x) from GCC Version 
+GNUC_CPP0X := $(shell gcc --version | perl -ne 'if (/gcc\s+\(.*\)\s+([0-9.]+)/){ if($$1 >= 4.3) {$$n=1} else {$$n=0;} } END { print $$n; }')
+