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[build] Refuse to attempt building with the GNU gold linker

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GNU gold (part of newer binutils builds) does not appear to be
designed to support generic linker functionality, since its source
code contains several Linux-specific hard-coded assumptions about the
layout of ELF binaries.  Attempting to build iPXE using GNU gold will
generally cause some kind of "linker internal error".

Provide an explicit error message suggesting the use of GNU ld
instead.

Reported-by: Chris Hills <chaz@chaz6.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2011-04-05 14:59:27 +01:00
parent 7514172b50
commit 6e6ecacebf
1 changed files with 7 additions and 0 deletions
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7
src/Makefile.housekeeping
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@ -106,6 +106,13 @@ $(warning export LANG=$${LANG%.UTF-8})
$(error Unsuitable build environment found)
endif
LD_GOLD_BANNER := $(shell $(LD) -v 2>&1 | grep 'GNU gold')
ifneq ($(LD_GOLD_BANNER),)
$(warning GNU gold is unsuitable for building iPXE)
$(warning Use GNU ld instead)
$(error Unsuitable build environment found)
endif
###############################################################################
#
# Check for various tool workarounds