Making a port - debugging cmake check_include_file
abi at abinet.ru
Sat Apr 23 22:28:38 UTC 2016
If speak about general purpose solution, acceptable by upstream, I should
1. make cmake variable like INCLUDE_DIR_EXTRA
2. if set, include it contents.
3. add default value if platform is FreeBSD
Am I right?
On 24.04.2016 00:55, Matthew D. Fuller wrote:
> On Sat, Apr 23, 2016 at 11:51:00PM +0300 I heard the voice of
> abi, and lo! it spake thus:
>> /usr/bin/cc -O2 -pipe -fstack-protector -fno-strict-aliasing -o
>> CMakeFiles/cmTC_bd985.dir/CheckIncludeFile.c.o -c
>> fatal error: 'libv4l1-videodev.h' file not found
>> #include <libv4l1-videodev.h>
>> 1 error generated.
> Note lack of -I/usr/local/include in the command. So cmake isn't
> looking there. You'd need to somehow get that in the list.
> Of course, it'd actually be spelled $LOCALBASE, presumably. Actually,
> libv4l does install pkgconf stuff, so if the cmake process could be
> tweaked to pull that in, that may be the "best" solution. Look at the
> FindPkgConfig module in cmake
> Of course, that does mean doing a fair amount more surgery in the
> CMakeFile. Simpler may just be to pass $LOCALBASE in via CMAKE_ARGS
> and then manually add that via include_directories().
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