When trying to build GHC (be it the 7.2 branch, the 7.4 branch or the
HEAD) on Windows using GHC 7.2.2, I end up with the following bits in
config.mk after configure:
WhatGccIsCalled = c:/ghc/head/inplace/mingw/bin/gcc.exe
GccVersion = 4.5.2
GccLT34 = NO
GccLT46 = YES
CC = $(WhatGccIsCalled)
CC_STAGE0 = $topdir/../mingw/bin/gcc.exe
CC_STAGE1 = $(CC)
CC_STAGE2 = $(CC)
CC_STAGE3 = $(CC)
AS = $(WhatGccIsCalled)
AS_STAGE0 = $topdir/../mingw/bin/gcc.exe
AS_STAGE1 = $(AS)
AS_STAGE2 = $(AS)
AS_STAGE3 = $(AS)
and
AR = c:/ghc/head/inplace/mingw/bin/ar.exe
AR_OPTS = q
ArSupportsAtFile = YES
AR_STAGE0 = D:/slave/stable/builder/tempbuild/build/inplace/mingw/bin/ar.exe
AR_STAGE1 = $(AR)
AR_STAGE2 = $(AR)
AR_STAGE3 = $(AR)
Note that CC_STAGE0, AS_STAGE0 and AR_STAGE0 are utterly wrong. The
actually come from ghc-7.2.2/lib/settings which looks like this:
[("GCC extra via C opts", " -fwrapv"),
("C compiler command", "$topdir/../mingw/bin/gcc.exe"),
("C compiler flags", ""),
("ar command",
"D:/slave/stable/builder/tempbuild/build/inplace/mingw/bin/ar.exe"),
("ar flags", "q"),
("ar supports at file", "YES"),
("touch command", "$topdir/touchy.exe"),
("dllwrap command", "$topdir/../mingw/bin/dllwrap.exe"),
("windres command", "$topdir/../mingw/bin/windres.exe"),
("perl command", "$topdir/../perl/perl.exe")]
Ignoring the fact that "ar command" is wrong (reported as #5760), how do
these bits end up in config.mk? Am I doing something wrong or is it a bug?
Everything builds fine if I replace *_STAGE0 with $(CC), $(AS) and $(AR),
respectively.
Roman
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