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Create a symlink to sys/elf32.h, sys/elf64.h, and sys/elf_common.h.

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When building libelf in the bootstrap stage this would include the tree
versions of, for example, sys/_types.h. This would work as long as the
tree's version of this file was close enough to the system's version of
the file. If, however, there was a change in the tree such that the location
of a typedef was moved this would cause problems. In this case the version
of sys/_types.h in the tree no longer defines __wchar_t and expects it to
to be defined in machine/_types.h, however we pick up machine/_types.h from
the system and find it is not defined there. The solution is to restrict the
parts of sys er include from the tree to those that are needed.

This fixes the recent Tinderbox failure.

Pointy Hat to:	andrew
This commit is contained in:
Andrew Turner 2012-06-24 08:43:34 +00:00
parent f8aa9fd500
commit ec280fdbf5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=237528
1 changed files with 15 additions and 1 deletions
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16
lib/libelf/Makefile
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@ -55,9 +55,23 @@ SRCS= elf_begin.c \
${GENSRCS}
INCS= libelf.h gelf.h
#
# We need to link against the correct version of these files. One
# solution is to include ../../sys in the include path. This causes
# problems when a header file in sys depends on a file in another
# part of the tree, e.g. a machine dependent header.
#
SRCS+= sys/elf32.h sys/elf64.h sys/elf_common.h
GENSRCS= libelf_fsize.c libelf_msize.c libelf_convert.c
CLEANFILES= ${GENSRCS}
CFLAGS+= -I${.CURDIR} -I${.CURDIR}/../../sys
CFLAGS+= -I${.CURDIR} -I.
sys/elf32.h sys/elf64.h sys/elf_common.h: sys
ln -sf ${.CURDIR}/../../sys/${.TARGET} ${.TARGET}
sys:
mkdir -p ${.OBJDIR}/sys
SHLIB_MAJOR= 1