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Re: ushort definition
On 09/01/2017 23:30, Hans-Bernhard Bröker wrote:
Am 09.01.2017 um 20:46 schrieb Marco Atzeri:
On 09/01/2017 19:01, Hans-Bernhard Bröker wrote:
the "#define ushort unsigned short" is in the
It seems jasper configuration had not defined __MISC_VISIBLE,
while gdal does.
Neither is supposed to #define __MISC_VISIBLE itself. cscope finds:
$ cscope -dL1 __MISC_VISIBLE
/usr/include/sys/features.h __MISC_VISIBLE 276 #define __MISC_VISIBLE 1
/usr/include/sys/features.h __MISC_VISIBLE 278 #define __MISC_VISIBLE 0
So let's look at a bit of context:
$ sed -n -e '270,280p' /usr/include/sys/features.h
#define __LARGEFILE_VISIBLE 1
#define __LARGEFILE_VISIBLE 0
#define __MISC_VISIBLE 1
#define __MISC_VISIBLE 0
I.e. if jasper didn't have __MISC_VISIBLE on, it must have overridden
the default feature test state of _DEFAULT_SOURCE.
I will bet on a "-std=C99" somewhere
The lesson to be had from all this: #defining types is just wrong. Don't
do it. typedef exists to be used.
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