Makefile.PL

282:            which recognizes the INFORMIXC environment variable.
637:        $EV = [ "INFORMIXC=$Config{perlpath} esqlcc", "ESQLCC=$Config{cc}" ];
681:# INFORMIXC to define the loader and the LDDLFLAGS via the back door.
699:$opts{LD} = "INFORMIXC='\$(FULLPERL) esqlld' " .
936:        ESQL_CC     = INFORMIXC="$(FULLPERL) esqlcc" ESQLCC="$(CC)" $(ESQL)
1006:# the INFORMIXC environment variable.
1016:        if (/^CC=/o && !/INFORMIXC/o)
1018:            print LOCAL "# INFORMIXC added by Makefile.PL for $pkg.\n";
1022:            $_ = 'CC="${INFORMIXC:-' . $_ . "}\"\n";