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2018-03-06scons: Switch from the print statement to the print function.Gabe Black
Starting with version 3, scons imposes using the print function instead of the print statement in code it processes. To get things building again, this change moves all python code within gem5 to use the function version. Another change by another author separately made this same change to the site_tools and site_init.py files. Change-Id: I2de7dc3b1be756baad6f60574c47c8b7e80ea3b0 Reviewed-on: https://gem5-review.googlesource.com/8761 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Gabe Black <gabeblack@google.com>
2016-01-11scons: Enable -Wextra by defaultAndreas Hansson
Make best use of the compiler, and enable -Wextra as well as -Wall. There are a few issues that had to be resolved, but they are all trivial.
2013-01-07scons: Enforce gcc >= 4.4 or clang >= 2.9 and c++0x supportAndreas Hansson
This patch checks that the compiler in use is either gcc >= 4.4 or clang >= 2.9. and enables building with --std=c++0x in all cases. As a consequence, we can tidy up the hashmap and always have static_assert available. If anyone wants to use alternative compilers, icc for example supports c++0x to a similar level and could be added if needed. This patch opens up for a more elaborate use of c++0x features that are present in gcc 4.4 and clang 2.9, e.g. auto typed variables, variadic templates, rvalues and move semantics, and strongly typed enums. There will be no going back on this one...
2013-01-07scons: Fix libelf linking errors when using clang/llvmAndreas Hansson
This patch fixes a linking error that occurs when using clang/llvm in combination with older versions of glibc. The fix involves adding -std=gnu89 to the command line when compiling libelf as clang defaults to c99, causing issues with the symbols in sysmacros.h being defined multiple times.
2012-04-14clang/gcc: Fix compilation issues with clang 3.0 and gcc 4.6Andreas Hansson
This patch addresses a number of minor issues that cause problems when compiling with clang >= 3.0 and gcc >= 4.6. Most importantly, it avoids using the deprecated ext/hash_map and instead uses unordered_map (and similarly so for the hash_set). To make use of the new STL containers, g++ and clang has to be invoked with "-std=c++0x", and this is now added for all gcc versions >= 4.6, and for clang >= 3.0. For gcc >= 4.3 and <= 4.5 and clang <= 3.0 we use the tr1 unordered_map to avoid the deprecation warning. The addition of c++0x in turn causes a few problems, as the compiler is more stringent and adds a number of new warnings. Below, the most important issues are enumerated: 1) the use of namespaces is more strict, e.g. for isnan, and all headers opening the entire namespace std are now fixed. 2) another other issue caused by the more stringent compiler is the narrowing of the embedded python, which used to be a char array, and is now unsigned char since there were values larger than 128. 3) a particularly odd issue that arose with the new c++0x behaviour is found in range.hh, where the operator< causes gcc to complain about the template type parsing (the "<" is interpreted as the beginning of a template argument), and the problem seems to be related to the begin/end members introduced for the range-type iteration, which is a new feature in c++11. As a minor update, this patch also fixes the build flags for the clang debug target that used to be shared with gcc and incorrectly use "-ggdb".
2012-01-31clang: Enable compiling gem5 using clang 2.9 and 3.0Koan-Sin Tan
This patch adds the necessary flags to the SConstruct and SConscript files for compiling using clang 2.9 and later (on Ubuntu et al and OSX XCode 4.2), and also cleans up a bunch of compiler warnings found by clang. Most of the warnings are related to hidden virtual functions, comparisons with unsigneds >= 0, and if-statements with empty bodies. A number of mismatches between struct and class are also fixed. clang 2.8 is not working as it has problems with class names that occur in multiple namespaces (e.g. Statistics in kernel_stats.hh). clang has a bug (http://llvm.org/bugs/show_bug.cgi?id=7247) which causes confusion between the container std::set and the function Packet::set, and this is currently addressed by not including the entire namespace std, but rather selecting e.g. "using std::vector" in the appropriate places.
2012-01-09MAC: Make gem5 compile and run on MacOSX 10.7.2Andreas Hansson
Adaptations to make gem5 compile and run on OSX 10.7.2, with a stock gcc 4.2.1 and the remaining dependencies from macports, i.e. python 2.7,.2 swig 2.0.4, mercurial 2.0. The changes include an adaptation of the SConstruct to handle non-library linker flags, and Darwin-specific code to find the memory usage of gem5. A number of Ruby files relied on ambigious uint (without the 32 suffix) which caused compilation errors.
2011-06-12LibElf: Build the error management code in libelf.Gabe Black
This change makes some minor changes to get the error management code in libelf to build on Linux and to build it into the library.
2010-11-09scons: Work around for old versions of scons mistaking strings for sequences.Gabe Black
2009-04-21scons: Rename the basic environment from env -> main.Nathan Binkert
env is used as a local variable all over the place and sometimes it is easy to get confused as to whether the global env or local env is being used. This will become especially important when I change the way we support our variants.
2009-04-21scons: Fix two problems with the way that the library path is generated.Nathan Binkert
1) -L is automatically added, so don't do it ourselves 2) prepend the paths for gzstream and libelf so they are certain to come first. The problem is that python might add /usr/lib to the path and the user might have a locally installed version of libelf installed.
2009-02-09scons: Require SCons version 0.98.1Nathan Binkert
This allows me to clean things up so we are up to date with respect to deprecated features. There are many features scheduled for permanent failure in scons 2.0 and 0.98.1 provides the most compatability for that. It also paves the way for some nice new features that I will add soon
2008-12-06scons: only use -Wno-pointer-sign with gcc >= 4.3Nathan Binkert
2008-10-28Libelf: Append options to CCFLAGS for warning free libelf compile instead of ↵Ali Saidi
deleting CCFLAGS. Should fix 64bit OS X compile problem.
2008-10-09SCons: add code to provide a libm5 shared library.Nathan Binkert
Targets look like libm5_debug.so. This target can be dynamically linked into another C++ program and provide just about all of the M5 features. Additionally, this library is a standalone module that can be imported into python with an "import libm5_debug" type command line.
2008-04-07SCons: Make BATCH options global sticky so libelf is built appropriately.Ali Saidi
--HG-- extra : convert_revision : 4bca5c31b8421305d41aac072696964b39d7ff16
2007-11-19Compiling: Make sure that libelf is also compiled for 64bit on OS X.Ali Saidi
--HG-- extra : convert_revision : 9d4f7064e0aa4b6cc6a5bcf0f6fb5289047cd143
2007-07-28style: Check/Fix whitespace on SCons filesNathan Binkert
--HG-- extra : convert_revision : 46e6b2dd8e1984cbab0ea24c94760794734c0f95
2007-05-31This is probably a more scons like way to do thisAli Saidi
--HG-- extra : convert_revision : 2cbd05039bbefcc067310098c6c1c1022302fb10
2007-05-31obey the m5 styleNathan Binkert
--HG-- extra : convert_revision : ac0d55c651a2bb6823cbf5a31c6f57ec163730ab
2007-05-31check that m4 is available before trying to use itAli Saidi
--HG-- extra : convert_revision : 8d4d75451fc003e3843e306008ad0632bbf0217a
2007-05-30Fix compiling on Solaris since Nate's libelf changeAli Saidi
SConstruct: export env after we've set CC/CXX ext/libelf/SConscript: pull in the CC/CXX variables from env. Use gm4 if it exists ext/libelf/elf_begin.c: ext/libelf/libelf_allocate.c: include errno.h instead of sys/errno.h ext/libelf/elf_common.h: use the more standard uintX_t ext/libelf/elf_strptr.c: ext/libelf/elf_update.c: include sysmacros.h on Solaris for roundup() --HG-- extra : convert_revision : ea1aab834029399c445dfa4c9f78febf2c3d8f0c
2007-05-28Fix M4 command line... wasn't working on zizzer.Steve Reinhardt
A little more concise now. --HG-- extra : convert_revision : 5cb46832ac7ce7a0be72765e83c8ceb5d8d4b64a
2007-05-26Get rid of GNU libelf and its autoconf nastiness and replaceNathan Binkert
it with FreeBSD's implementation --HG-- extra : convert_revision : ef9c4551b9a6b54b76a89f286ff9804c55790621