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(retrying) fix up some lto things (still can't compile full MAME on Windows) Also add a few msg texts for VS warnings (NW)

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Cowering 2015-12-09 12:58:08 -06:00
parent ce3bc53918
commit 00a496face
1 changed files with 28 additions and 12 deletions
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40
scripts/genie.lua
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@ -845,30 +845,46 @@ if _OPTIONS["OPTIMIZE"] then
end
if _OPTIONS["LTO"]=="1" then
buildoptions {
-- windows native mingw GCC 5.2 fails with -flto=x with x > 1. bug unfixed as of this date
-- windows native mingw GCC 5.2 fails with -flto=x with x > 1. bug unfixed as of this commit
"-flto=1",
-- if ld fails, just buy more RAM or uncomment this!
-- "-Wl,-no-keep-memory",
"-Wl,-v",
-- silence redefine warnings from discrete.c.
"-Wl,-allow-multiple-definition",
"-fuse-linker-plugin",
-- these next flags allow MAME to compile in GCC 5.2. odr warnings should be fixed as LTO randomly crashes otherwise
-- some GCC 4.9.x on Windows do not have -Wodr and -flto-odr-type-merging enabled. adjust accordingly...
-- -ffat-lto-objects lets you link non-lto version without rebuilding all .o/.a
"-ffat-lto-objects",
-- no-fat-lto-objects is faster to compile and uses less memory, but you can't mix with a non-lto .o/.a without rebuilding
"-fno-fat-lto-objects",
"-flto-odr-type-merging",
"-Wodr",
"-flto-compression-level=9", -- lto didn't work with anything <9 on linux with < 12G RAM
"-flto-compression-level=0", -- lto doesn't work with anything <9 on linux with < 12G RAM, much slower if <> 0
-- "-flto-report", -- if you get an error in lto after [WPA] stage, but before [LTRANS] stage, you need more memory!
-- "-fmem-report-wpa","-fmem-report","-fpre-ipa-mem-report","-fpost-ipa-mem-report","-flto-report-wpa","-fmem-report",
-- this six flag combo lets MAME compile with LTO=1 on linux with no errors and ~2% speed boost, but compile time is much longer
-- if you are going to wait on lto, you might as well enable these for GCC
-- "-fdevirtualize-at-ltrans","-fgcse-sm","-fgcse-las",
-- "-fipa-pta","-fipa-icf","-fvariable-expansion-in-unroller",
}
-- same flags are needed by linker
linkoptions {
"-Wl,-no-keep-memory",
"-flto=1",
-- "-Wl,-no-keep-memory",
"-Wl,-v",
"-Wl,-allow-multiple-definition",
"-fuse-linker-plugin",
"-ffat-lto-objects",
"-fno-fat-lto-objects",
"-flto-odr-type-merging",
"-Wodr",
"-flto-compression-level=9", -- lto didn't work with anything < 9 on linux with < 12G RAM
"-flto-compression-level=0", -- lto doesn't work with anything <9 on linux with < 12G RAM, much slower if <> 0
-- "-flto-report", -- if you get an error in lto after [WPA] stage, but before [LTRANS] stage, you need more memory!
-- "-fmem-report-wpa","-fmem-report","-fpre-ipa-mem-report","-fpost-ipa-mem-report","-flto-report-wpa","-fmem-report",
-- this six flag combo lets MAME compile with LTO=1 on linux with no errors and ~2% speed boost, but compile time is much longer
-- if you are going to wait on lto, you might as well enable these for GCC
-- "-fdevirtualize-at-ltrans","-fgcse-sm","-fgcse-las",
-- "-fipa-pta","-fipa-icf","-fvariable-expansion-in-unroller",
}
end
@ -1164,7 +1180,7 @@ configuration { "vs*" }
"/wd4365", -- warning C4365: 'action' : conversion from 'type_1' to 'type_2', signed/unsigned mismatch
"/wd4389", -- warning C4389: 'operator' : signed/unsigned mismatch
"/wd4245", -- warning C4245: 'conversion' : conversion from 'type1' to 'type2', signed/unsigned mismatch
"/wd4388", -- warning C4388:
"/wd4388", -- warning C4388: signed/unsigned mismatch
"/wd4267", -- warning C4267: 'var' : conversion from 'size_t' to 'type', possible loss of data
"/wd4005", -- warning C4005: The macro identifier is defined twice. The compiler uses the second macro definition
"/wd4350", -- warning C4350: behavior change: 'member1' called instead of 'member2'
@ -1173,10 +1189,10 @@ configuration { "vs*" }
"/wd4060", -- warning C4060: switch statement contains no 'case' or 'default' labels
"/wd4065", -- warning C4065: switch statement contains 'default' but no 'case' labels
"/wd4640", -- warning C4640: 'instance' : construction of local static object is not thread-safe
"/wd4290", -- warning C4290:
"/wd4290", -- warning C4290: C++ exception specification ignored except to indicate a function is not __declspec(nothrow)
"/wd4355", -- warning C4355: 'this' : used in base member initializer list
"/wd4800", -- warning C4800: 'type' : forcing value to bool 'true' or 'false' (performance warning)
"/wd4371", -- warning C4371:
"/wd4371", -- warning C4371: layout of class may have changed from a previous version of the compiler due to better packing of member 'member'
"/wd4548", -- warning C4548: expression before comma has no effect; expected expression with side-effect
}
if _OPTIONS["vs"]=="intel-15" then
@ -1208,8 +1224,8 @@ if _OPTIONS["vs"]=="intel-15" then
"/Qwd1879", -- warning #1879: unimplemented pragma ignored
"/Qwd3291", -- warning #3291: invalid narrowing conversion from "double" to "int"
"/Qwd1195", -- error #1195: conversion from integer to smaller pointer
"/Qwd47", -- error #47: incompatible redefinition of macro "xxx"
"/Qwd265", -- error #265: floating-point operation result is out of range
"/Qwd47", -- error #47: incompatible redefinition of macro "xxx"
"/Qwd265", -- error #265: floating-point operation result is out of range
-- these occur on a release build, while we can increase the size limits instead some of the files do require extreme amounts
"/Qwd11074", -- remark #11074: Inlining inhibited by limit max-size / remark #11074: Inlining inhibited by limit max-total-size
"/Qwd11075", -- remark #11075: To get full report use -Qopt-report:4 -Qopt-report-phase ipo