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101 lines
3.5 KiB
101 lines
3.5 KiB
# Building Tests:
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# jam clean
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# jam -j4 -q
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# Building Unreal:
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# jam clean
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# jam -j4 -q -sUNREAL=true GalavantPseudotarget
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# (if building the same target repeatedly, don't clean, if that wasn't obvious)
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##
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## Compiler
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##
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CC = gcc ;
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# GCC
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#C++ = g++ ;
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#LINK = g++ ;
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# Clang
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C++ = clang++ ;
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LINK = clang++ ;
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##
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## Compiler arguments
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##
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# Galavant requires C++11
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## Argument explanation
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#
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# g = debug symbols
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# -O0 = compile without optimizations for debugging
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#
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# -Wall -Wextra = Error detection/tolerance
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# -Wno-unused-parameter = I should probably get rid of this at some point
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#
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# fPIC = position independent code. This is so the lib can be linked in other libs/executables
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# -stdlib=lib++ = Unreal uses libc++, which is busted on Ubuntu 16.04. Remove this option
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# if you don't give a shit about Unreal and/or want to build the tests
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#
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# lstdc++ = standard library [Unused]
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# Arguments used on all projects, regardless of any variables
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C++FLAGS = -std=c++11 -Wall -Wextra -Wno-unused-parameter ;
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# Required arguments for tests
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TESTSC++FLAGS = -g ;
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# Required arguments for Unreal
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UNREALC++FLAGS = -g -stdlib=libc++ -fPIC ;
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# ALLLIBSC++FLAGS should be used for all libraries which might be used by both tests and Unreal
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if $(UNREAL)
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{
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ALLLIBSC++FLAGS = $(UNREALC++FLAGS) ;
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}
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else
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{
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ALLLIBSC++FLAGS = $(TESTSC++FLAGS) ;
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}
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OPTIM = -O0 ;
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HDRS = thirdParty/flatbuffers/include src ;
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# TODO: add project-specific filetype rules for things like flatbuffer .json compilation (see "UserObject rule":
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# https://swarm.workshop.perforce.com/view/guest/perforce_software/jam/src/Jamfile.html ) ?
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# TODO: [Hacked done] Calling jam -dc indicates that it thinks many unmodified files are newer,
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# which is why it's building way more than it should be. Further investigation is needed, as if it
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# has nothing to build it should complete almost instantly
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#
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# The problem was Library deletes .o files, preventing Jam from knowing what needs rebuilt
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# (see https://swarm.workshop.perforce.com/view/guest/perforce_software/jam/src/Jambase.html)
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# Actually, because I'm moving libs to lib/, Jam doesn't know to look there for .o
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# (see http://maillist.perforce.com/pipermail/jamming/2004-November/004235.html)
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# Motherfucker seems to be broken no matter fucking what (see src/Jamfile commented lines)
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#
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# Update: Something seems fucked with the Library or LibraryFromObjects rules. Instead of diving
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# deeper, I'm going to just add this flag which will guarantee Jam won't rely on reading the libs
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# to find "missing" objects
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# (as an aside, https://swarm.workshop.perforce.com/view/guest/perforce_software/jam/src/Jam.html
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# was helpful, esp 'jam -dx')
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KEEPOBJS = true ; # This doesn't actually fix anything, though it seems like it should
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NOARSCAN = true ; # This actually fixes the problem
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#AR = ar rUu ; # I was thinking maybe the AR command was wrong (always outputting deterministically)
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# It doesn't seem like this is the problem though
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AR = ar cr ;
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# Some helpful Jam commands
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# -q : stop on failed target
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# -jN : use N cores
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# -sVAR=VAL : Set VAR to VAL. Note that setting UNREAL=false is the same as setting UNREAL=true,
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# frustratingly
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# -dx : print commands being used
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# -n : don't actually run commands
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# Note: When creating ConsoleOnly frontend, I had to reverse the lib link order. This is probably
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# just because I didn't understand link order when making GalavantPseudotarget. I've since updated
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# GalavantPseudotarget with the proper order
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