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author | William Joye <wjoye@cfa.harvard.edu> | 2017-01-03 21:52:18 (GMT) |
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committer | William Joye <wjoye@cfa.harvard.edu> | 2017-01-03 21:52:18 (GMT) |
commit | 4302a869f0212a3e4878e66a7260b434f6584476 (patch) | |
tree | e6976e66edf648406e32b092395121e045301692 /tkimg/libtiff/README | |
parent | a780057cc1b51dd3a557549c3cf2431f09136c0d (diff) | |
parent | 60d692811c12788ed4468d5ff680633304e8f641 (diff) | |
download | blt-4302a869f0212a3e4878e66a7260b434f6584476.zip blt-4302a869f0212a3e4878e66a7260b434f6584476.tar.gz blt-4302a869f0212a3e4878e66a7260b434f6584476.tar.bz2 |
Merge commit '60d692811c12788ed4468d5ff680633304e8f641' as 'tkimg'
Diffstat (limited to 'tkimg/libtiff/README')
-rwxr-xr-x | tkimg/libtiff/README | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tkimg/libtiff/README b/tkimg/libtiff/README new file mode 100755 index 0000000..20611c5 --- /dev/null +++ b/tkimg/libtiff/README @@ -0,0 +1,20 @@ +
+Wrapping the tiff support library for tcl is a bit more complicated
+than libz, or libpng.
+
+(1) libtiff comes with its own configure command, and there is no
+ configure.in. This means that it is not possible to lift the
+ relevant sections out of it for the configure of the
+ binding.
+
+ Also this configure is not exactly autoconf based (Seems so).
+ One of the things it has to be told is the target/build architecture,
+ as argument instead of via option. Because of this we cannot use
+ AC_CONFIG_SUBDIRS to run the sub-configure.
+
+ We do it directly, and are thus also able to avoid the symlink
+ we had to have in libjpeg/tcl.
+
+(2) The tif sources have usage of tdarg.h hardwired into them.
+ This means that a compiler not using this header, but varargs.h
+ cannot be used. This is checked in configure.
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