Roland C. Dowdeswell
29 lines
1.0 KiB
Plaintext
29 lines
1.0 KiB
Plaintext
dnl $Id$
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dnl
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dnl Figure out what flags we need for 64-bit file access, and also set
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dnl them on the command line.
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dnl
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AC_DEFUN([rk_SYS_LARGEFILE],[
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AC_REQUIRE([AC_SYS_LARGEFILE])dnl
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dnl need to set this on the command line, since it might otherwise break
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dnl with generated code, such as lex
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if test "$enable_largefile" != no; then
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if test -n "$ac_cv_sys_large_files" && test "$ac_cv_sys_large_files" != no; then
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CPPFLAGS="$CPPFLAGS -D_LARGE_FILES=$ac_cv_sys_large_files"
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fi
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if test -n "$ac_cv_sys_file_offset_bits" && test "$ac_cv_sys_file_offset_bits" != no; then
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CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits"
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fi
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if test -n "$ac_cv_sys_largefile_opts"; then
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AS_CASE([$ac_cv_sys_largefile_opts],[-D_FILE_OFFSET_BITS=*|-D_LARGE_FILES=*],
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[CPPFLAGS="$CPPFLAGS $ac_cv_sys_largefile_opts"])
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fi
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fi
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if test "$enable_year2038" != no; then
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if test -n "$ac_cv_sys_year2038_opts"; then
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AS_CASE([$ac_cv_sys_year2038_opts],[-D_TIME_BITS=*|-D__MINGW_USE_VC2005_COMPAT],
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[CPPFLAGS="$CPPFLAGS $ac_cv_sys_year2038_opts"])
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fi
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fi
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])
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