mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2024-12-21 05:43:09 +00:00
Pick up new revision in elf2flt
... and updated cygwin patch. Signed-off-by: Alexey Neyman <stilor@att.net>
This commit is contained in:
Alexey Neyman
parent
2f24d5cd75
commit
6d5ec0c35b
@ -35,7 +35,7 @@ if ELF2FLT_GIT
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config ELF2FLT_GIT_CSET
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string
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prompt "git cset"
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default "4820f0dbb77cd6564d5fa0817218fe2a1fb99f32"
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default "a8bc69b882a55b1f1e437b50e33d3db8414eb68e"
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help
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Enter the git changeset to use.
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@ -1,190 +0,0 @@
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From 6ae8f1cc9abd2c25b3376a18f33fee00d9e771cf Mon Sep 17 00:00:00 2001
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From: Alexey Neyman <stilor@att.net>
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Date: Mon, 27 Feb 2017 01:20:10 -0800
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Subject: [PATCH 1/2] When looking for binutils/BFD headers, create a local
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include dir
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... and filter only those headers that elf2flt binaries are going
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to use, to minimize the chance of clashes with system headers.
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Signed-off-by: Alexey Neyman <stilor@att.net>
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---
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Makefile.in | 13 ++++++--
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configure | 4 +--
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configure.ac | 4 +--
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mk-local-include.sh | 89 +++++++++++++++++++++++++++++++++++++++++++++++++++++
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4 files changed, 103 insertions(+), 7 deletions(-)
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create mode 100755 mk-local-include.sh
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diff --git a/Makefile.in b/Makefile.in
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index a6feea6..1e34bda 100644
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--- a/Makefile.in
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+++ b/Makefile.in
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@@ -14,7 +14,9 @@ CPU = @target_cpu@
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TARGET = @target_alias@
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SYMBOL_PREFIX = @SYMBOL_PREFIX@
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CFLAGS = @CFLAGS@
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-INCLUDES = -I$(srcdir) @bfd_include_dir@ @binutils_include_dir@ @zlib_include_dir@
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+INCLUDES = -I$(srcdir) -Ilocal-include @zlib_include_dir@
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+BFD_INCLUDE_DIR = @bfd_include_dir@
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+BINUTILS_INCLUDE_DIR = @binutils_include_dir@
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CPPFLAGS = @CPPFLAGS@ $(DEFS) $(INCLUDES)
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LDFLAGS = @LDFLAGS@
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LDLIBS = @LIBS@
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@@ -101,7 +103,7 @@ check-flthdr:
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check: check-flthdr
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clean:
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- -rm -f $(PROGS) *.$(OBJEXT) .deps
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+ -rm -f $(PROGS) *.$(OBJEXT) .deps local-include
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distclean: clean
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-rm -f Makefile config.log config.status config.cache ld-elf2flt
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@@ -121,5 +123,10 @@ install:
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$(INSTALL) -m 644 $(SRC_LDFILE) $(DESTDIR)$(target_libdir)/$(LDFILE)
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sinclude .deps
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-.deps:
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+.deps: local-include/.stamp
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$(CC) -MM $(CPPFLAGS) $(srcdir)/*.c > .deps
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+
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+local-include/.stamp: $(srcdir)/mk-local-include.sh
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+ bash $(srcdir)/mk-local-include.sh local-include '$(CC)' \
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+ '$(BFD_INCLUDE_DIR)' '$(BINUTILS_INCLUDE_DIR)' $(DEFS)
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+ touch $@
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diff --git a/configure b/configure
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index 3a4e8d6..af64990 100755
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--- a/configure
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+++ b/configure
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@@ -3931,12 +3931,12 @@ fi
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bfd_include_dir=
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if test "$ac_bfd_include_dir" != "NONE"; then
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- bfd_include_dir="-I$ac_bfd_include_dir"
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+ bfd_include_dir="$ac_bfd_include_dir"
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fi
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binutils_include_dir=
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if test "$ac_binutils_include_dir" != "NONE"; then
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- binutils_include_dir="-I$ac_binutils_include_dir"
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+ binutils_include_dir="$ac_binutils_include_dir"
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fi
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zlib_include_dir=
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diff --git a/configure.ac b/configure.ac
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index 6002894..b7fb790 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -135,12 +135,12 @@ fi
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bfd_include_dir=
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if test "$ac_bfd_include_dir" != "NONE"; then
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- bfd_include_dir="-I$ac_bfd_include_dir"
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+ bfd_include_dir="$ac_bfd_include_dir"
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fi
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binutils_include_dir=
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if test "$ac_binutils_include_dir" != "NONE"; then
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- binutils_include_dir="-I$ac_binutils_include_dir"
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+ binutils_include_dir="$ac_binutils_include_dir"
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fi
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zlib_include_dir=
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diff --git a/mk-local-include.sh b/mk-local-include.sh
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new file mode 100755
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index 0000000..a6e8a63
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--- /dev/null
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+++ b/mk-local-include.sh
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@@ -0,0 +1,89 @@
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+#!/bin/bash
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+
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+# Binutils provide certain headers that are clashing with system-wide
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+# headers on Cygwin and MacOS. They do so in different manners, though,
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+# so it is not possible to just tweak the inclusion/library order.
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+# Hence, we prepare a filtered inclusion directory where we only place
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+# the headers that we need for BFD/binutils. To determine them, we'll
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+# need to preprocess a sample file including the headers that will be used,
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+# and have the compiler output the actual list of included headers for us.
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+
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+# Usage:
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+# mk-local-include.sh DIR CC BFD-INCLUDES BINUTILS-INCLUDES [DEFINES...]
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+
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+local_inc=$1
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+cc=$2
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+bfd_inc=$3
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+binutils_inc=$4
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+shift 4
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+# What remains are defines to pass to GCC
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+
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+case "${local_inc}" in
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+ */*) echo "Local include dir may only have one component" >&2; exit 1;;
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+ .|..) echo "Local include dir may not be . or .." >&2; exit 1;;
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+esac
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+
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+# Re-create it from a clean slate
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+rm -rf "${local_inc}"
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+mkdir -p "${local_inc}"
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+
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+# Create a dummy source file that we'll preprocess
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+{
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+ echo "#include <libiberty.h>"
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+ echo "#include <filenames.h>"
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+ echo "#include <bfd.h>"
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+} > "${local_inc}/_dummy.c"
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+
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+$cc ${bfd_inc:+-I${bfd_inc}} ${binutils_inc:+-I${binutils_inc}} "$@" \
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+ -E -o /dev/null -H "${local_inc}/_dummy.c" 2>&1 | \
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+ sed -rn -e 's/^\.+ //p' > "${local_inc}/_hdr.list"
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+if [ $? != 0 ]; then
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+ echo "Failed to locate libiberty.h/bfd.h headers" >&2
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+ exit 1
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+fi
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+
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+# Now go over the list twice. First determine how the compiler printed
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+# the location of <bfd.h> and <libiberty.h>. They themselves may be in
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+# a system include directory. We'll create a mess of symlinks in that case,
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+# but they'll still point to the system headers.
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+while read f; do
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+ case "$f" in
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+ */bfd.h) bfd_loc=${f%/bfd.h};;
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+ */libiberty.h) binutils_loc=${f%/libiberty.h};;
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+ esac
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+done < $local_inc/_hdr.list
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+
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+# Now symlink the headers that reside in the same directory as the headers
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+# we're looking for, or in any subdirectory thereof.
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+create_link() {
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+ local f=$1
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+ local bd=$2
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+ local relpath lnkname bname src
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+
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+ relpath=${f#${bd}/}
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+ lnkname=${local_inc}/${relpath}
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+ bname=${relpath##*/}
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+ if [ "${bname}" != "${relpath}" ]; then
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+ mkdir -p "${relpath%/*}"
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+ fi
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+ case "${f}" in
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+ /*) src=${f};;
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+ *) src=../${f};; # account for one extra path component (DIR)
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+ esac
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+ if [ ! -L "${lnkname}" ]; then
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+ ln -s "${src}" "${lnkname}"
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+ fi
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+}
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+
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+while read f; do
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+ case "$f" in
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+ ${bfd_loc}/*) create_link "$f" "${bfd_loc}";;
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+ ${binutils_loc}/*) create_link "$f" "${binutils_loc}";;
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+ esac
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+done < $local_inc/_hdr.list
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+
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+# Final bit of secret knowledge. We need ELF headers, and the exact headers
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+# depend on the selected target. Fortunately, they are all in the 'elf/'
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+# subdirectory of binutils include directory, which we get by searching for
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+# <libiberty.h>.
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+create_link "${binutils_loc}/elf" "${binutils_loc}"
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--
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2.9.3
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@ -1,57 +0,0 @@
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From 1c19bf8cc294e95c8de314cc457bcea6854c3a2d Mon Sep 17 00:00:00 2001
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From: Alexey Neyman <stilor@att.net>
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Date: Tue, 28 Feb 2017 09:29:21 -0800
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Subject: [PATCH 2/2] Macos does not have <elf.h> and needs a local copy
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Also, move <elf/xtensa.h> up - generic <elf.h> does not have
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definitions for xtensa relocations.
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Local file, cygwin-elf.h, needs to include <stdint.h> for standard
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integer types which is POSIX - rather than glibc-originated <features.h>.
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Signed-off-by: Alexey Neyman <stilor@att.net>
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---
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cygwin-elf.h | 2 +-
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elf2flt.c | 7 +++++--
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2 files changed, 6 insertions(+), 3 deletions(-)
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diff --git a/cygwin-elf.h b/cygwin-elf.h
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index bd72b37..8e3dbff 100644
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--- a/cygwin-elf.h
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+++ b/cygwin-elf.h
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@@ -26,7 +26,7 @@ typedef uint16_t u_int16_t;
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typedef uint32_t u_int32_t;
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typedef uint64_t u_int64_t;
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#else
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-#include <features.h>
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+#include <stdint.h>
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#endif
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/* Standard ELF types. */
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diff --git a/elf2flt.c b/elf2flt.c
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index 08296cf..19a4d4d 100644
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--- a/elf2flt.c
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+++ b/elf2flt.c
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@@ -58,14 +58,17 @@ const char *elf2flt_progname;
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#include <elf/h8.h> /* TARGET_* ELF support for the BFD library */
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#elif defined(TARGET_arm)
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#include <elf/arm.h>
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-#elif defined(__CYGWIN__) || defined(__MINGW32__) || defined(TARGET_nios) || defined(TARGET_nios2)
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-#include "cygwin-elf.h" /* Cygwin uses a local copy */
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#elif defined(TARGET_xtensa)
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#include <elf/xtensa.h> /* TARGET_* ELF support for the BFD library */
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+#elif defined(TARGET_nios) || defined(TARGET_nios2)
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+#include "cygwin-elf.h" // <elf/nios2.h> does not have R_NIOS_* declarations
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#elif defined(TARGET_microblaze)
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#include <elf/microblaze.h> /* TARGET_* ELF support for the BFD library */
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#elif defined(TARGET_v850)
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#include <elf/v850.h>
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+#elif (__CYGWIN__) || defined(__MINGW32__) || defined(__APPLE__)
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+// FIXME: does Cygwin need this? It has <elf.h> in /usr/include
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+#include "cygwin-elf.h" // Some systems don't have <elf.h>
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#else
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#include <elf.h> /* TARGET_* ELF support for the BFD library */
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#endif
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--
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2.9.3
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@ -0,0 +1,111 @@
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From 4e5250f8319e72b739932b87193fa29f4a5b96b1 Mon Sep 17 00:00:00 2001
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From: Alexey Neyman <stilor@att.net>
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Date: Mon, 27 Feb 2017 01:20:10 -0800
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Subject: [PATCH] Symlink required binutils/BFD headers to local dir
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... to minimize the chance of clashes with system headers.
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Also, remove the -lcygwin from Makefile.in: this breaks canadian
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build on cygwin, as it tries to pass -lcygwin into non-Cygwin host
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CC. This chunk pre-dates the addition of -lc into configure.ac and
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passing -lc should be sufficient (it works for me).
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Signed-off-by: Alexey Neyman <stilor@att.net>
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---
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Makefile.in | 21 +++++++++++++--------
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configure | 4 ++--
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configure.ac | 4 ++--
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3 files changed, 17 insertions(+), 12 deletions(-)
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diff --git a/Makefile.in b/Makefile.in
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index a6feea6..46d904b 100644
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--- a/Makefile.in
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+++ b/Makefile.in
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@@ -14,7 +14,9 @@ CPU = @target_cpu@
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TARGET = @target_alias@
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SYMBOL_PREFIX = @SYMBOL_PREFIX@
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CFLAGS = @CFLAGS@
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-INCLUDES = -I$(srcdir) @bfd_include_dir@ @binutils_include_dir@ @zlib_include_dir@
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+INCLUDES = -I$(srcdir) -I. @zlib_include_dir@
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+BFD_INCLUDE_DIR = @bfd_include_dir@
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+BINUTILS_INCLUDE_DIR = @binutils_include_dir@
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CPPFLAGS = @CPPFLAGS@ $(DEFS) $(INCLUDES)
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LDFLAGS = @LDFLAGS@
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LDLIBS = @LIBS@
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@@ -38,11 +40,6 @@ ifneq (,$(findstring mingw32,$(HOST)))
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LDLIBS += -lws2_32
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endif
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-# force link order under cygwin to avoid getopts / libiberty clash
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-ifneq ($(strip $(shell gcc -v 2>&1 | grep "cygwin")),)
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- LDLIBS := -lcygwin $(LDLIBS)
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-endif
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-
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LDFILE= elf2flt.ld
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ifeq ($(strip $(CPU)),e1)
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SRC_LDFILE= $(srcdir)/$(CPU)-elf2flt.ld
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@@ -101,7 +98,7 @@ check-flthdr:
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check: check-flthdr
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clean:
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- -rm -f $(PROGS) *.$(OBJEXT) .deps
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+ -rm -f $(PROGS) *.$(OBJEXT) *.h elf .deps .stamp-local-include
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distclean: clean
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-rm -f Makefile config.log config.status config.cache ld-elf2flt
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@@ -121,5 +118,13 @@ install:
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$(INSTALL) -m 644 $(SRC_LDFILE) $(DESTDIR)$(target_libdir)/$(LDFILE)
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sinclude .deps
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-.deps:
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+.deps: .stamp-local-include
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$(CC) -MM $(CPPFLAGS) $(srcdir)/*.c > .deps
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+
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+.stamp-local-include:
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+ ln -sf $(BFD_INCLUDE_DIR)/bfd.h bfd.h
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+ for f in ansidecl filenames hashtab libiberty symcat; do \
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+ ln -sf $(BINUTILS_INCLUDE_DIR)/$$f.h $$f.h; \
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+ done
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+ ln -sf $(BINUTILS_INCLUDE_DIR)/elf elf
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+ touch $@
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diff --git a/configure b/configure
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index 3a4e8d6..af64990 100755
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--- a/configure
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+++ b/configure
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@@ -3931,12 +3931,12 @@ fi
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bfd_include_dir=
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if test "$ac_bfd_include_dir" != "NONE"; then
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- bfd_include_dir="-I$ac_bfd_include_dir"
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+ bfd_include_dir="$ac_bfd_include_dir"
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fi
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binutils_include_dir=
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if test "$ac_binutils_include_dir" != "NONE"; then
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- binutils_include_dir="-I$ac_binutils_include_dir"
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+ binutils_include_dir="$ac_binutils_include_dir"
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fi
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zlib_include_dir=
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diff --git a/configure.ac b/configure.ac
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index 6002894..b7fb790 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -135,12 +135,12 @@ fi
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bfd_include_dir=
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if test "$ac_bfd_include_dir" != "NONE"; then
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- bfd_include_dir="-I$ac_bfd_include_dir"
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+ bfd_include_dir="$ac_bfd_include_dir"
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fi
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binutils_include_dir=
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if test "$ac_binutils_include_dir" != "NONE"; then
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- binutils_include_dir="-I$ac_binutils_include_dir"
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+ binutils_include_dir="$ac_binutils_include_dir"
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fi
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zlib_include_dir=
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--
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2.9.3
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Block a user