cross building integer-gmp is running target program on build host

I am trying to build ghc-7.8.4 as a cross compiler. After stage1 finishes and it tries to build libraries it detects that it can link against an existing -gmp and gmp.h (which is what I intended) and starts building the libraries/integer-gmp package against it. During the build it builds the inplace/lib/bin/mkGmpDerivedConstants binary for the target (genode) and then runs it on the build host (ubuntu linux), which leads to failure.

The error emitted during the build is:

"cp" -p libraries/integer-gmp/mkGmpDerivedConstants/dist/build/tmp/mkGmpDerivedConstants inplace/lib/bin/mkGmpDerivedConstants "rm" -f inplace/lib/mkGmpDerivedConstants echo '#!/bin/bash' >> inplace/lib/mkGmpDerivedConstants echo 'executablename="/u1/home/newsham/src/genode/ghc-7.8.4/inplace/lib/bin/mkGmpDerivedConstants"' >> inplace/lib/mkGmpDerivedConstants echo 'datadir="/u1/home/newsham/src/genode/ghc-7.8.4/inplace/lib"' >> inplace/lib/mkGmpDerivedConstants echo 'bindir="/u1/home/newsham/src/genode/ghc-7.8.4/inplace/bin"' >> inplace/lib/mkGmpDerivedConstants echo 'topdir="/u1/home/newsham/src/genode/ghc-7.8.4/inplace/lib"' >> inplace/lib/mkGmpDerivedConstants echo 'pgmgcc="/u1/home/newsham/src/genode/ghc-7.8.4/wrapper-gcc"' >> inplace/lib/mkGmpDerivedConstants echo 'export LD_LIBRARY_PATH=":$LD_LIBRARY_PATH"' >> inplace/lib/mkGmpDerivedConstants echo 'exec "$executablename"

There was an error rendering this math block. KaTeX parse error: Expected '}', got 'EOF' at end of input: {1+"

@"}' >> inplace/lib/mkGmpDerivedConstants chmod +x inplace/lib/mkGmpDerivedConstants inplace/lib/mkGmpDerivedConstants > libraries/integer-gmp/mkGmpDerivedConstants/dist/GmpDerivedConstants.h inplace/lib/mkGmpDerivedConstants: line 8: /u1/home/newsham/src/genode/ghc-7.8.4/inplace/lib/bin/mkGmpDerivedConstants: No such file or directory make[1]: *** [libraries/integer-gmp/mkGmpDerivedConstants/dist/GmpDerivedConstants.h] Error 127 make[1]: *** Deleting file `libraries/integer-gmp/mkGmpDerivedConstants/dist/GmpDerivedConstants.h' make: *** [all] Error 2

my build environment is large and complex so I'm not providing all details here, but I will be happy to provide any supporting material needed, on request.

Trac metadata

Trac field	Value
Version	7.8.4
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Build System
Test case
Differential revisions
BlockedBy
Related
Blocking
CC
Operating system
Architecture

mentioned in issue #8373 (closed)

changed weight to 5

added Tbug Trac import labels

by the way, the error says the file does not exist, but it actually does (the error is probably coming from ld.so failing to load link deps?):

$ file /u1/home/newsham/src/genode/ghc-7.8.4/inplace/lib/bin/mkGmpDerivedConstants /u1/home/newsham/src/genode/ghc-7.8.4/inplace/lib/bin/mkGmpDerivedConstants: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), not stripped

objdump reveals that it is linked against my target (genode) and not the build host (linux):

$ objdump -p /u1/home/newsham/src/genode/ghc-7.8.4/inplace/lib/bin/mkGmpDerivedConstants|grep libc.lib

NEEDED /u1/home/newsham/src/genode/novaBox/var/libcache/libc/libc.lib.so

I really don't understand why we don't use autoconf for these constants.

On the bright side, integer-gmp2 doesn't seem to require anything like this (yet?)

changed weight to 3

Since the new integer-gmp is the default in 7.10 and the old integer-gmp is currently gone in HEAD, I'm marking this ticket as low priority and also setting a milestone so that it will be garbage collected. To the 7.12 branch maintainer, if the 7.10 branch becomes defunct, close this ticket 'wontfix', else please remilestone appropriately.

Trac metadata

Trac field	Value
Priority	normal → low

Using autoconf for 7.8 is also straightforward

changeset:52f55458 (I used that to build ia64 ghc+integer-gmp on amd64)

but requires not too old version of autoconf, IIRC MacOS users were not happy and it was reverted

changeset:916be615

changed milestone to %8.0.1

Milestone renamed

The new Hadrian build system has been merged. Relabeling the tickets concerning the legacy make build system to prevent confusion.

Trac metadata

Trac field	Value
Component	Build System → Build System (make)

added ghc build failure label

added Plow label