[Info-vax] Can C #includes like this be made to work onVMS?

[mjos_examine]

On 2024-10-15 2:42 p.m., Brian Schenkenberger wrote:
> I want to port a freeware package. It's C code is littered with includes 
> like:
> 
> #include "package_name/include_file.h"
> 
> I've tried the DECC$***_INCLUDE logicals, the CC command quilifier / 
> INCLUDE_DIRECTORY and logicals, rooted and otherwise, defining 
> "package_name". Can't get the C compiler to find include_file.h.
> 
> 

$ type test.c
#include <stdio.h>
#include <stdlib.h>
#include "package_name/include_file.h"

int main(int argc, char *argv[])
{
     printf("this is a test: %s.\n", testresult);
}


$ type [.package_name]include_file.h
#define testresult "test include file"

$ cc test.c
$

$ show log dec*

(LNM$PROCESS_TABLE)

   "DECC$ARGV_PARSE_STYLE" = "ENABLE"
   "DECC$EFS_CASE_PRESERVE" = "ENABLE"
   "DECC$EFS_CHARSET" = "ENABLE"

$ dir [...]

Directory DKA100:[DEVEL.testincl]

package_name.DIR;1  TEST.C;1            TEST.OBJ;1

Total of 3 files.

Directory DKA100:[DEVEL.testincl.package_name]

INCLUDE_FILE.H;1

Total of 1 file.

Grand total of 2 directories, 4 files.