Re: [Fink-devel] OT: CPATH & C_INCLUDE_PATH don't work for me?

[Max Horn]

At 15:53 Uhr -0500 05.02.2003, Jeremy Erwin wrote:

On Wednesday, February 5, 2003, at 03:29  PM, John Clements wrote:

This is off-topic, but I'm hoping that someone can point out what an idiot I am.

Problem: I can't get gcc to recognize either the CPATH or C_INCLUDE_PATH environment variables. Here's what I mean:

It's customarily CFLAGS, but that's beside the point

[osterley:~] clements% less tmp.c
#include <foo.h>
void main(){return;}
[osterley:~] clements% ls /Users/clements/temp
foo.h
[osterley:~] clements% echo $CPATH
/Users/clements/temp:
[osterley:~] clements% gcc tmp.c

you have to either explicitly bring in CFLAGS (or CPATH et.c)
 gcc $CFLAGS foo.c
or use "make" (which uses $CFLAGS and $LDFLAGS by default)
for instance
[jeremy@callisto:~]$ more Makefile
foo: foo.c
[jeremy@callisto:~]$ make
cc -Itemp    foo.c   -o foo
foo.c: In function `main':
foo.c:4: warning: return type of `main' is not `int'
[jeremy@callisto:~]$ echo $CFLAGS
-Itemp

Actually, you don't have to. You can simply turn off the Apple preprocesor, which doesn't support CPATH:

cc -no-cpp-precomp tmp.c

should work.


Max


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