i forgot how to...

compile AND link a shared object using gcc /tl;dr

i have this program which dynamically loads modules, shared objects, for functionality, and so far i've used a Makefile that compiles in one rule, gcc, and links in another rule, ld

but now i just added a module that links to perl libs and i need to compile it EXACTLY like my perl interpreter, which was compiled AND linked using gcc, and i forgot how i do that

why isn't this working?
gcc -Wall -pedantic -ansi -DSETPROCTITLE -Isrc -I.. -rpath . -L. -L../.. -lbice -fPIC -shared -Wl,-soname,islam.so -o modules/islam.so -lc src/mods/islam.c

i get this error /var/tmp//ccr5zUiZ.o(.text+0xd0): In function `_init':
: multiple definition of `_init'
/usr/lib/crti.o(.init+0x0): first defined here

most modules don't have an _init function but some that need to load something into memory when dlopen is executed DO, and that's where the gmake process gets stuck, because of this weird crti.o thing, i used to compile and link using gcc but then i switched to two rules and now i don't remember how i did it or why this isn't working, no i don't need to link with crt0 or anything like that because i never did before

islam
what.

>>2
FUCK YEAH!

src/mods/sicp.c

#include <sys/lisp.h>

Don't export a symbol for your init function, duh.

For that matter, don't use init functions.  Use __attribute__((constructor)).

>>6
i had no idea those were obsolete, thanks for the heads up

i don't even remember where i learned about _init and _fini, probably the dlopen manuals on freebsd, i'm gonna use these constructors instead and this problem should be solved

modules loaded Parsec Parsec?

Don't change these.

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