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cmake: Move LFS check to LargeFileSupport.cmake

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This commit is contained in:
Roger Leigh
2021-02-06 22:48:01 +00:00
parent 4738634f02
commit 0b72a039cb
2 changed files with 33 additions and 7 deletions
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8
CMakeLists.txt
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@@ -122,13 +122,7 @@ check_symbol_exists(getopt "unistd.h;stdio.h" HAVE_GETOPT)
report_values(CMAKE_HOST_SYSTEM_PROCESSOR HOST_FILLORDER
HOST_BIG_ENDIAN HAVE_IEEEFP)
# Large file support
if (UNIX OR MINGW)
# This might not catch every possibility catered for by
# AC_SYS_LARGEFILE.
add_definitions(-D_FILE_OFFSET_BITS=64)
set(FILE_OFFSET_BITS 64)
endif()
include(LargeFileSupport)
# Documentation install directory (default to cmake project docdir)
set(LIBTIFF_DOCDIR "${CMAKE_INSTALL_FULL_DOCDIR}")

32
cmake/LargeFileSupport.cmake Normal file
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@@ -0,0 +1,32 @@
# Large file support
#
# Copyright © 2015 Open Microscopy Environment / University of Dundee
# Copyright © 2021 Roger Leigh <rleigh@codelibre.net>
# Written by Roger Leigh <rleigh@codelibre.net>
#
# Permission to use, copy, modify, distribute, and sell this software and
# its documentation for any purpose is hereby granted without fee, provided
# that (i) the above copyright notices and this permission notice appear in
# all copies of the software and related documentation, and (ii) the names of
# Sam Leffler and Silicon Graphics may not be used in any advertising or
# publicity relating to the software without the specific, prior written
# permission of Sam Leffler and Silicon Graphics.
#
# THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
# EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
# WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
#
# IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
# ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
# OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
# WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
# LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
# OF THIS SOFTWARE.
if (UNIX OR MINGW)
# This might not catch every possibility catered for by
# Autoconf AC_SYS_LARGEFILE.
add_definitions(-D_FILE_OFFSET_BITS=64)
set(FILE_OFFSET_BITS 64)
endif()