I've been working on building sdcc under Solaris with the Sun
Studio 12 compiler. I've not gotten all the way there, but I've made
substantial progress. I've detailed a few simple things that need
fixing for this to work. Most of them seem to come from the autoconf
scripts' assumption that GCC will be used to compile sdcc. I'm NOT
asking that sdcc be modified to specifically support Sun's compilers,
but if autoconf is going to check to see if GCC is in use, and finds
that it isn't but still allows the user to continue, it shouldn't put
GCC-specific options into CFLAGS. :)
I'm working with 2.9.7, one of the source snapshots from a few
days ago, 20100313-5734.
The first thing that breaks is the automatic inclusion of -Wall
(which is GCC-specific) in CFLAGS.
Next comes this line in src/pic/ralloc.c:
#define FENTRY2 1 ? (void)0 : printf
I removed the void cast; that allowed it to compile.
The last one is a weird problem that I've not really dug into yet;
I think it probably has to do with -E handling. The Makefile.dep
files end up being huge (several megabytes) and contain lots of C
source code fragments. I ended up just turning that into "touch
Makefile.dep" in the Makefiles and being careful about doing a "make
clean" between builds, which is obviously not the correct solution.
Anyway, as I said, I'm still working on it, and I'm not sure how
much farther I'm going to get before I need to spend time on other
things. I'm hoping that someone will be willing to make these
portability changes whenever he/she has time.
-Dave
--
Dave McGuire
Port Charlotte, FL
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