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From: Astrid DOT Burghard AT t-online DOT de (Astrid Burghard)
To: cygwin AT cygwin DOT com
Subject: gcc linking problem - badly installed?
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Date: Tue, 14 Aug 2001 18:57:11 +0200
Message-ID: <15WhV9-0UCd3gC@fwd03.sul.t-online.com>

Hi,

I am new to this list, so please excuse me and
give me a hint if this topic was treated here
before.

I tried some simple C and F77 "hello world"
programmes to get compiled and linked by "gcc"
and "gcc -c" + "ld".  The .o was created by
"gcc -c" without error message, but both direct
executable creation with "gcc" and linking the
.o by "ld" failed, giving different error
messages.  The .log I appenden at the bottom of
the email.  Does anyone have an idea what is
going wrong?

Thanks in advance

Enno.

------------------ start of log ----------------------------------------
+ cat test_c.c
/*---------------- test_c.c ---------- start -------------------------*/
#include <stdio.h>
main()
  {
	printf( "%s\n", "Hello world!" );
  }
/*---------------- test_c.c ---------- end ---------------------------*/
+ gcc test_c.o
/PROGS/CYGWIN/USR/BIN/ld: cannot open crt0.o: No such file or directory
collect2: ld returned 1 exit status
+ gcc -c test_c.c
+ ld test_c.o
ld: warning: cannot find entry symbol _mainCRTStartup; defaulting to 00401000
test_c.o(.text+0x1b):test_c.c: undefined reference to `__main'
test_c.o(.text+0x2d):test_c.c: undefined reference to `printf'
+ cat test_f.f
*----------------- test_f.f ---------- start ---------------------------
      program testf
	  print*, 'Hello world!'
	  end
*----------------- test_f.f ---------- end -----------------------------
+ gcc test_f.o
/PROGS/CYGWIN/USR/BIN/ld: cannot open crt0.o: No such file or directory
collect2: ld returned 1 exit status
+ gcc -c test_f.f
+ ld test_f.o
ld: warning: cannot find entry symbol _mainCRTStartup; defaulting to 00401000
test_f.o(.text+0x23):test_f.f: undefined reference to `s_wsle'
test_f.o(.text+0x3c):test_f.f: undefined reference to `do_lio'
test_f.o(.text+0x44):test_f.f: undefined reference to `e_wsle'
test_f.o(.text+0x53):test_f.f: undefined reference to `s_stop'


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