D tools build problem

[Joseph Rushton Wakeling]

On 11/02/14 23:33, Joseph Rushton Wakeling wrote:
> On 11/02/14 23:18, Dicebot wrote:
>> On Tuesday, 11 February 2014 at 22:10:21 UTC, Joseph Rushton Wakeling wrote:
>>> Exactly what I thought, but they _have_ been built and they are located in the
>>> right places.  That's why I was baffled by the error message.
>>
>> ../dmd/src/dmd -I../druntime/src -I../phobos rdmd.d
>
> Yeah, yeah. :-P  I mean I was baffled that the error was occurring and at first
> glance assumed it must be something weirder.  Didn't anybody test this?
>
> I'll see if I can knock up a patch ... :-)

I've attached my current patch.  It should be possible to apply this to master, 
if anyone wants to test it.

It works for everything except the CURL_TOOLS which invariably fail to link with 
the error described at the bottom of this email.  It looks like a main() 
function is absent where one is expected, but my make-fu is not good enough to 
understand what's wrong with the relevant lines in the makefile:

################################################################################

#dreadful custom step because of libcurl dmd linking problem (Bugzilla 7044)
$(CURL_TOOLS): $(ROOT)/%: %.d
     $(DMD) $(MODEL_FLAG) $(DFLAGS) -c -of$(@).o $(<)
     ($(DMD) $(MODEL_FLAG) $(DFLAGS) -v -of$(@) $(@).o 2>/dev/null | grep 
'\-Xlinker' | cut -f2- -d' ' ; echo -lcurl  ) | xargs $(CC)

################################################################################

Note that the $(MODEL_FLAG) $(DFLAGS) entries here are my addition.  Absent the 
$(DFLAGS) entry the build will fail with the same issue of being unable to find 
object.d.

With these flags in place, the following error message is produced:

(../dmd/src/dmd -m64 -I../druntime/import -I../phobos 
-L-L../phobos/generated/linux/release/64  -w -v -ofgenerated/linux/64/dget 
generated/linux/64/dget.o 2>/dev/null | grep '\-Xlinker' | cut -f2- -d' ' ; echo 
-lcurl  ) | xargs gcc
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 0 has invalid symbol index 11
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 1 has invalid symbol index 12
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 2 has invalid symbol index 2
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 3 has invalid symbol index 2
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 4 has invalid symbol index 11
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 5 has invalid symbol index 13
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 6 has invalid symbol index 13
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 7 has invalid symbol index 13
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 8 has invalid symbol index 12
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 9 has invalid symbol index 13
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 10 has invalid symbol index 13
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 11 has invalid symbol index 13
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 12 has invalid symbol index 13
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 13 has invalid symbol index 13
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 14 has invalid symbol index 13
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 15 has invalid symbol index 13
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 16 has invalid symbol index 13
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 17 has invalid symbol index 13
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 18 has invalid symbol index 13
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): 
relocation 19 has invalid symbol index 21
/usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_line): 
relocation 0 has invalid symbol index 2
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../x86_64-linux-gnu/crt1.o: In function 
`_start':
(.text+0x20): undefined reference to `main'
collect2: error: ld returned 1 exit status
make: *** [generated/linux/64/dget] Error 123

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