8a02c71231
Remove the templates and add sufficiently general script to generate the header stub file. I'll try to propose this to redhat-rpm-config package inclusion. Resolves: rhbz#1190346 Version: 9.4.5-2
171 lines
4.9 KiB
Bash
Executable File
171 lines
4.9 KiB
Bash
Executable File
#! /bin/sh
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# Replace the multilib-unclean header file with multilib-clean stub, while the
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# original file is moved to unique architecture-specific location.
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#
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# The solution is taken from Fedora PostgreSQL RPM package.
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#
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# Pavel Raiskup <praiskup@redhat.com>
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#
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# This file is to be moved into redhat-rpm-config (or something like this).
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progname=$(basename "$0")
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opt_arch=$(uname -i)
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# See rhbz#1242873 for more info.
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test "$opt_arch" = ppc64p7 && opt_arch=ppc64
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opt_destdir=
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opt_basename=
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opt_buildroot=$(pwd)
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opt_verbose=:
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opt_additional_suffix=
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# TODO: we could pretty easily implement other then 'cpp-header' stubs, if the
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# target file type allows some kind of "transparent" file inclusion. For
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# example shell scripts might use '. "${opt_destdir}/${opt_basename}_x86_64.sh'.
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print_stub ()
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{
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cat <<EOF
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/*
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* Kluge to support multilib installation of both 32- and 64-bit RPMS:
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* we need to arrange that header files that appear in both RPMs are
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* identical. Hence, this file is architecture-independent and calls
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* in an arch-dependent file that will appear in just one RPM.
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*
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* To avoid breaking arches not explicitly supported by Red Hat, we
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* use this indirection file *only* on known multilib arches.
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*
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* Note: this may well fail if user tries to use gcc's -I- option.
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* But that option is deprecated anyway.
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*/
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#if defined(__x86_64__)
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#include "${opt_basename}${opt_additional_suffix}_x86_64.h"
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#elif defined(__i386__)
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#include "${opt_basename}${opt_additional_suffix}_i386.h"
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#elif defined(__ppc64__) || defined(__powerpc64__)
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#include "${opt_basename}${opt_additional_suffix}_ppc64.h"
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#elif defined(__ppc__) || defined(__powerpc__)
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#include "${opt_basename}${opt_additional_suffix}_ppc.h"
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#elif defined(__s390x__)
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#include "${opt_basename}${opt_additional_suffix}_s390x.h"
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#elif defined(__s390__)
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#include "${opt_basename}${opt_additional_suffix}_s390.h"
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#elif defined(__sparc__) && defined(__arch64__)
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#include "${opt_basename}${opt_additional_suffix}_sparc64.h"
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#elif defined(__sparc__)
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#include "${opt_basename}${opt_additional_suffix}_sparc.h"
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#endif
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EOF
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}
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print_help ()
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{
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_h_exit=false
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test -n "$1" && _h_exit=:
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cat <<EOF
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Usage: $progname [OPTIONS]
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Replace the multilib-unclean header file with multilib-clean stub, while the
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original file is moved to unique architecture-specific location. This should be
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absolutely safe operation (effects of '#include <HEADER.h>' are unchanged.
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To allow us to do incompatible changes in this script, packagers should use this
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script only through %ml_fix_c_header wrapping macro.
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--destdir absolute path name where the old header file is stored, e.g.
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/some/pat
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--basename when you deal with '/some/path/test.h', specify 'test'
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--buildroot prefix (directory where we play with installed files, usually
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after 'make install DESTDIR=buildroot')
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--additional-suffix we usually move 'test.h' to 'test_\$ARCH.h'. However
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this file could already exit. With this option the multilib
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file will be named 'test_\$ARCH\$SUFFIX.h'
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--verbose print some useful information
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--help show this help
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EOF
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$_h_exit && exit "$1"
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}
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verbose ()
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{
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$opt_verbose && echo "INFO: $progname: $*"
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}
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die ()
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{
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echo >&2 " # $*"
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print_help 1
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}
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error ()
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{
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error_occurred=:
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echo >&2 " ! $*"
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}
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error_occurred=false
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while test $# -gt 0
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do
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_opt=$1 ; shift
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case $_opt in
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--destdir)
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opt_destdir=$1 ; shift || die "$_opt requires argument"
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;;
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--basename)
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opt_basename=$1 ; shift || die "$_opt require argument"
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;;
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--buildroot)
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opt_buildroot=$1 ; shift || die "$_opt require argument"
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;;
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--arch)
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opt_arch=$1 ; shift || die "$_opt require argument"
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;;
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--additional-suffix)
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opt_additional_suffix=$1 ; shift || die "$_opt require argument"
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;;
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--help)
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print_help 0
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;;
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*)
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error "unexpected '$_opt' program argument"
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;;
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esac
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done
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$error_occurred && print_help 1
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for i in arch buildroot destdir basename
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do
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eval "test -z \"\$opt_$i\"" && error "--$i needs to be set"
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done
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$error_occurred && print_help 1
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original_file="$opt_buildroot$opt_destdir/$opt_basename".h
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multilib_file="$opt_buildroot$opt_destdir/$opt_basename${opt_additional_suffix}_$opt_arch".h
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test -f "$original_file" || die "can't find '$original_file'"
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case $opt_arch in
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# we only apply this to known Red Hat multilib arches, per bug #177564
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i386|x86_64|ppc|ppc64|s390|s390x|sparc|sparc64)
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;;
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*)
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verbose "we don't need multilib haeder hack for '$opt_arch' architecture (no-op)"
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exit 0
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;;
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esac
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verbose "moving: '$original_file' to '$multilib_file'"
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mv "$original_file" "$multilib_file" || exit 1
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if print_stub > "$original_file" && chmod 644 "$original_file"; then
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:
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else
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die "can't write into '$original_file'"
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fi
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:
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