How to point to C header files in GO?

Question

New to GoLang so go easy on me. I installed this package for which are GO bindings for the HDF5s filesystem:

go get github.com/sbinet/go-hdf5

and I get

fatal error: hdf5.h: No such file or directory
// #include "hdf5.h"

the file hdf5.h (which comes from the original hdfs library, not the go package) is located in

usr/include/hdf5s/series

how do I tell the go compiler to look in the /user/include/hdf5s/series directory for this header file?

It may be a typo but `/usr != /user` `usr` stands for universal system resources. — MarkJL, Apr 28 '19 at 15:39

score 12 · Accepted Answer · answered Jul 14 '16 at 19:34

12

Pass the -I flag to the C compiler using the CGO_CFLAGS environment variable (documentation):

CGO_CFLAGS="-I/usr/include/hdf5s/series" go get -u github.com/sbinet/go-hdf5

answered Jul 14 '16 at 19:34

1

this worked, but now im getting # github.com/sbinet/go-hdf5 /usr/bin/ld: cannot find -lhdf5 /usr/bin/ld: cannot find -lhdf5_hl collect2: error: ld returned 1 exit status 'code' – Brom Quinn Jul 14 '16 at 20:40
@BromQuinn: You may need to add the path to the library: `CGO_CFLAGS="-I/usr/include/hdf5s/series -L/usr/library path..." go get -u github.com/sbinet/go-hdf5` – Jul 14 '16 at 20:41
Does Golang use `C_INCLUDE_PATH` and `LIBRARY_PATH`? – CMCDragonkai Aug 26 '18 at 06:03
@CMCDragonkai it does – azat Dec 17 '18 at 14:20
1

You can use CGO_LDFLAGS to specify the location of the library. – Steven W. Klassen Feb 15 '19 at 17:01

1 Answers1