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170 lines
4.9 KiB
170 lines
4.9 KiB
#! /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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