diff options
Diffstat (limited to 'patches/elf2flt/4820f0dbb77cd6564d5fa0817218fe2a1fb99f32/100-filter-includes.patch')
-rw-r--r-- | patches/elf2flt/4820f0dbb77cd6564d5fa0817218fe2a1fb99f32/100-filter-includes.patch | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/patches/elf2flt/4820f0dbb77cd6564d5fa0817218fe2a1fb99f32/100-filter-includes.patch b/patches/elf2flt/4820f0dbb77cd6564d5fa0817218fe2a1fb99f32/100-filter-includes.patch deleted file mode 100644 index 204aac0..0000000 --- a/patches/elf2flt/4820f0dbb77cd6564d5fa0817218fe2a1fb99f32/100-filter-includes.patch +++ /dev/null @@ -1,190 +0,0 @@ -From 6ae8f1cc9abd2c25b3376a18f33fee00d9e771cf Mon Sep 17 00:00:00 2001 -From: Alexey Neyman <stilor@att.net> -Date: Mon, 27 Feb 2017 01:20:10 -0800 -Subject: [PATCH 1/2] When looking for binutils/BFD headers, create a local - include dir - -... and filter only those headers that elf2flt binaries are going -to use, to minimize the chance of clashes with system headers. - -Signed-off-by: Alexey Neyman <stilor@att.net> ---- - Makefile.in | 13 ++++++-- - configure | 4 +-- - configure.ac | 4 +-- - mk-local-include.sh | 89 +++++++++++++++++++++++++++++++++++++++++++++++++++++ - 4 files changed, 103 insertions(+), 7 deletions(-) - create mode 100755 mk-local-include.sh - -diff --git a/Makefile.in b/Makefile.in -index a6feea6..1e34bda 100644 ---- a/Makefile.in -+++ b/Makefile.in -@@ -14,7 +14,9 @@ CPU = @target_cpu@ - TARGET = @target_alias@ - SYMBOL_PREFIX = @SYMBOL_PREFIX@ - CFLAGS = @CFLAGS@ --INCLUDES = -I$(srcdir) @bfd_include_dir@ @binutils_include_dir@ @zlib_include_dir@ -+INCLUDES = -I$(srcdir) -Ilocal-include @zlib_include_dir@ -+BFD_INCLUDE_DIR = @bfd_include_dir@ -+BINUTILS_INCLUDE_DIR = @binutils_include_dir@ - CPPFLAGS = @CPPFLAGS@ $(DEFS) $(INCLUDES) - LDFLAGS = @LDFLAGS@ - LDLIBS = @LIBS@ -@@ -101,7 +103,7 @@ check-flthdr: - check: check-flthdr - - clean: -- -rm -f $(PROGS) *.$(OBJEXT) .deps -+ -rm -f $(PROGS) *.$(OBJEXT) .deps local-include - - distclean: clean - -rm -f Makefile config.log config.status config.cache ld-elf2flt -@@ -121,5 +123,10 @@ install: - $(INSTALL) -m 644 $(SRC_LDFILE) $(DESTDIR)$(target_libdir)/$(LDFILE) - - sinclude .deps --.deps: -+.deps: local-include/.stamp - $(CC) -MM $(CPPFLAGS) $(srcdir)/*.c > .deps -+ -+local-include/.stamp: $(srcdir)/mk-local-include.sh -+ bash $(srcdir)/mk-local-include.sh local-include '$(CC)' \ -+ '$(BFD_INCLUDE_DIR)' '$(BINUTILS_INCLUDE_DIR)' $(DEFS) -+ touch $@ -diff --git a/configure b/configure -index 3a4e8d6..af64990 100755 ---- a/configure -+++ b/configure -@@ -3931,12 +3931,12 @@ fi - - bfd_include_dir= - if test "$ac_bfd_include_dir" != "NONE"; then -- bfd_include_dir="-I$ac_bfd_include_dir" -+ bfd_include_dir="$ac_bfd_include_dir" - fi - - binutils_include_dir= - if test "$ac_binutils_include_dir" != "NONE"; then -- binutils_include_dir="-I$ac_binutils_include_dir" -+ binutils_include_dir="$ac_binutils_include_dir" - fi - - zlib_include_dir= -diff --git a/configure.ac b/configure.ac -index 6002894..b7fb790 100644 ---- a/configure.ac -+++ b/configure.ac -@@ -135,12 +135,12 @@ fi - - bfd_include_dir= - if test "$ac_bfd_include_dir" != "NONE"; then -- bfd_include_dir="-I$ac_bfd_include_dir" -+ bfd_include_dir="$ac_bfd_include_dir" - fi - - binutils_include_dir= - if test "$ac_binutils_include_dir" != "NONE"; then -- binutils_include_dir="-I$ac_binutils_include_dir" -+ binutils_include_dir="$ac_binutils_include_dir" - fi - - zlib_include_dir= -diff --git a/mk-local-include.sh b/mk-local-include.sh -new file mode 100755 -index 0000000..a6e8a63 ---- /dev/null -+++ b/mk-local-include.sh -@@ -0,0 +1,89 @@ -+#!/bin/bash -+ -+# Binutils provide certain headers that are clashing with system-wide -+# headers on Cygwin and MacOS. They do so in different manners, though, -+# so it is not possible to just tweak the inclusion/library order. -+# Hence, we prepare a filtered inclusion directory where we only place -+# the headers that we need for BFD/binutils. To determine them, we'll -+# need to preprocess a sample file including the headers that will be used, -+# and have the compiler output the actual list of included headers for us. -+ -+# Usage: -+# mk-local-include.sh DIR CC BFD-INCLUDES BINUTILS-INCLUDES [DEFINES...] -+ -+local_inc=$1 -+cc=$2 -+bfd_inc=$3 -+binutils_inc=$4 -+shift 4 -+# What remains are defines to pass to GCC -+ -+case "${local_inc}" in -+ */*) echo "Local include dir may only have one component" >&2; exit 1;; -+ .|..) echo "Local include dir may not be . or .." >&2; exit 1;; -+esac -+ -+# Re-create it from a clean slate -+rm -rf "${local_inc}" -+mkdir -p "${local_inc}" -+ -+# Create a dummy source file that we'll preprocess -+{ -+ echo "#include <libiberty.h>" -+ echo "#include <filenames.h>" -+ echo "#include <bfd.h>" -+} > "${local_inc}/_dummy.c" -+ -+$cc ${bfd_inc:+-I${bfd_inc}} ${binutils_inc:+-I${binutils_inc}} "$@" \ -+ -E -o /dev/null -H "${local_inc}/_dummy.c" 2>&1 | \ -+ sed -rn -e 's/^\.+ //p' > "${local_inc}/_hdr.list" -+if [ $? != 0 ]; then -+ echo "Failed to locate libiberty.h/bfd.h headers" >&2 -+ exit 1 -+fi -+ -+# Now go over the list twice. First determine how the compiler printed -+# the location of <bfd.h> and <libiberty.h>. They themselves may be in -+# a system include directory. We'll create a mess of symlinks in that case, -+# but they'll still point to the system headers. -+while read f; do -+ case "$f" in -+ */bfd.h) bfd_loc=${f%/bfd.h};; -+ */libiberty.h) binutils_loc=${f%/libiberty.h};; -+ esac -+done < $local_inc/_hdr.list -+ -+# Now symlink the headers that reside in the same directory as the headers -+# we're looking for, or in any subdirectory thereof. -+create_link() { -+ local f=$1 -+ local bd=$2 -+ local relpath lnkname bname src -+ -+ relpath=${f#${bd}/} -+ lnkname=${local_inc}/${relpath} -+ bname=${relpath##*/} -+ if [ "${bname}" != "${relpath}" ]; then -+ mkdir -p "${relpath%/*}" -+ fi -+ case "${f}" in -+ /*) src=${f};; -+ *) src=../${f};; # account for one extra path component (DIR) -+ esac -+ if [ ! -L "${lnkname}" ]; then -+ ln -s "${src}" "${lnkname}" -+ fi -+} -+ -+while read f; do -+ case "$f" in -+ ${bfd_loc}/*) create_link "$f" "${bfd_loc}";; -+ ${binutils_loc}/*) create_link "$f" "${binutils_loc}";; -+ esac -+done < $local_inc/_hdr.list -+ -+# Final bit of secret knowledge. We need ELF headers, and the exact headers -+# depend on the selected target. Fortunately, they are all in the 'elf/' -+# subdirectory of binutils include directory, which we get by searching for -+# <libiberty.h>. -+create_link "${binutils_loc}/elf" "${binutils_loc}" --- -2.9.3 - |