144 lines
3.9 KiB
Bash
144 lines
3.9 KiB
Bash
#! /bin/sh
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#
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# The script is created for Cygnus by vmakarov@cygnus.com and based on
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# fixinc.wrap
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#
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# This script is designed for x86 with gnulibc of version 2.0 and less
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# for solution of problems with invalid asm-statements by creating
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# small wrappers around the include files containg the asm-statements.
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#
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# See README-fixinc for more information.
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# Directory in which to store the results.
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LIB=${1?"fixincludes: output directory not specified"}
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# Make sure it exists.
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if [ ! -d $LIB ]; then
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mkdir $LIB || exit 1
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fi
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# Make LIB absolute if it is relative.
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# Don't do this if not necessary, since may screw up automounters.
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case $LIB in
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/*)
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;;
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*)
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cd $LIB; LIB=`${PWDCMD-pwd}`
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;;
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esac
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echo Building fixed headers in ${LIB}
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file=selectbits.h
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echo Fixed $file for glibc-2.0.x
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rm -f $LIB/$file
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cat <<'__EOF__' >$LIB/$file
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/* This file fixes __FD_ZERO bug for glibc-2.0.x. */
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#ifndef _SELECTBITS_H_WRAPPER
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#include <features.h>
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#include_next <selectbits.h>
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#if defined(__FD_ZERO) && defined(__GLIBC__) && defined(__GLIBC_MINOR__) && __GLIBC__ == 2 && __GLIBC_MINOR__ == 0
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#undef __FD_ZERO
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#define __FD_ZERO(fdsetp) \
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do { \
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int __d0, __d1; \
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__asm__ __volatile__ ("cld; rep; stosl" \
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: "=&c" (__d0), "=&D" (__d1) \
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: "a" (0), "0" (sizeof (__fd_set) \
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/ sizeof (__fd_mask)), \
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"1" ((__fd_mask *) (fdsetp)) \
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: "memory"); \
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} while (0)
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#endif
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#define _SELECTBITS_H_WRAPPER
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#endif /* _SELECTBITS_H_WRAPPER */
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__EOF__
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# Define _SELECTBITS_H_WRAPPER at the end of the wrapper, not
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# the start, so that if #include_next gets another instance of
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# the wrapper, this will follow the #include_next chain until
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# we arrive at the real <selectbits.h>.
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chmod a+r $LIB/$file
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# asm/posix_types.h for libc version 1.x
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file=asm/posix_types.h
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echo Fixed $file for glibc-1.x
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rm -f $LIB/$file
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dir=`dirname $LIB/$file`
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if [ ! -d $dir ]; then
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mkdir -p $dir || exit 1
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fi
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cat <<'__EOF__' >$LIB/$file
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/* This file fixes __FD_ZERO bug for glibc-1.x. */
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#ifndef _POSIX_TYPES_H_WRAPPER
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#include <features.h>
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#include_next <asm/posix_types.h>
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#if defined(__FD_ZERO) && !defined(__GLIBC__)
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#undef __FD_ZERO
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#define __FD_ZERO(fdsetp) \
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do { \
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int __d0, __d1; \
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__asm__ __volatile__("cld ; rep ; stosl" \
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: "=&c" (__d0), "=&D" (__d1) \
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: "a" (0), "0" (__FDSET_LONGS), \
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"1" ((__kernel_fd_set *) (fdsetp)) :"memory"); \
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} while (0)
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#endif
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#define _POSIX_TYPES_H_WRAPPER
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#endif /* _POSIX_TYPES_H_WRAPPER */
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__EOF__
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# Define _POSIX_TYPES_H_WRAPPER at the end of the wrapper, not
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# the start, so that if #include_next gets another instance of
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# the wrapper, this will follow the #include_next chain until
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# we arrive at the real <asm/posix_types.h>.
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chmod a+r $LIB/$file
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# gnu/types.h for libc version 1.x
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file=gnu/types.h
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echo Fixed $file for glibc-1.x
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rm -f $LIB/$file
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dir=`dirname $LIB/$file`
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if [ ! -d $dir ]; then
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mkdir -p $dir || exit 1
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fi
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cat <<'__EOF__' >$LIB/$file
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/* This file fixes __FD_ZERO bug for glibc-1.x. */
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#ifndef _TYPES_H_WRAPPER
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#include <features.h>
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#include_next <gnu/types.h>
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#if defined(__FD_ZERO) && !defined(__GLIBC__)
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#undef __FD_ZERO
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# define __FD_ZERO(fdsetp) \
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do { \
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int __d0, __d1; \
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__asm__ __volatile__("cld ; rep ; stosl" \
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: "=&c" (__d0), "=&D" (__d1) \
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: "a" (0), "0" (__FDSET_LONGS), \
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"1" ((__fd_set *) (fdsetp)) :"memory"); \
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} while (0)
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#endif
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#define _TYPES_H_WRAPPER
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#endif /* _TYPES_H_WRAPPER */
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__EOF__
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# Define _TYPES_H_WRAPPER at the end of the wrapper, not the start,
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# so that if #include_next gets another instance of the wrapper,
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# this will follow the #include_next chain until we arrive at
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# the real <gnu/types.h>.
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chmod a+r $LIB/$file
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if [ x${INSTALL_ASSERT_H} != x ]
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then
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cd ${ORIG_DIR}
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rm -f include/assert.h
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cp ${srcdir}/assert.h include/assert.h || exit 1
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chmod a+r include/assert.h
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fi
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exit 0
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