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| author | Frank Warmerdam <warmerdam@pobox.com> | 2011-02-18 21:54:22 +0000 |
|---|---|---|
| committer | Frank Warmerdam <warmerdam@pobox.com> | 2011-02-18 21:54:22 +0000 |
| commit | bc3bc9925bac8831b519bf551f870964ae737fe6 (patch) | |
| tree | 51dd91fefe6b9cad3acbc1a667b6c102fcb15b33 /configure.ac | |
| parent | 82361dfa04e1be95c02bd3a81c8ec4815410f92a (diff) | |
| download | libtiff-git-bc3bc9925bac8831b519bf551f870964ae737fe6.tar.gz | |
added a configure option to enable CHUNKY_STRIP_READ support (--enable-chunky-strip-read)
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index ed398a56..d39aa377 100644 --- a/configure.ac +++ b/configure.ac @@ -855,6 +855,22 @@ if test "$HAVE_DEFER_STRILE_LOAD" = "yes" ; then fi dnl --------------------------------------------------------------------------- +dnl Check for support of CHUNKY_STRIP_READ_SUPPORT, a mechanism to allowing +dnl reading large strips (usually one strip files) in chunks when using +dnl TIFFReadScanline(). This is an experimental feature in libtiff 4.0. +dnl --------------------------------------------------------------------------- + +AC_ARG_ENABLE(chunky-strip-read, + AS_HELP_STRING([--enable-chunky-strip-read], + [enable reading large strips in chunks for TIFFReadScanline() (experimental)]), + [HAVE_CHUNKY_STRIP_READ=$enableval], [HAVE_CHUNKY_STRIP_READ=no]) + +if test "$HAVE_CHUNKY_STRIP_READ" = "yes" ; then + AC_DEFINE(CHUNKY_STRIP_READ,1,[enable partial strip reading for large strips (experimental)]) + +fi + +dnl --------------------------------------------------------------------------- dnl Default subifd support. dnl --------------------------------------------------------------------------- AC_DEFINE(SUBIFD_SUPPORT,1,[Enable SubIFD tag (330) support]) |