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$NetBSD: patch-al,v 1.3 2001/03/01 00:30:34 jlam Exp $
--- ../gcc-2.95.2/gcc/config/netbsd.h.orig Wed Dec 16 15:59:58 1998
+++ ../gcc-2.95.2/gcc/config/netbsd.h Wed Feb 28 18:41:35 2001
@@ -48,17 +48,37 @@
#define ASM_SPEC " %| %{fpic:-k} %{fPIC:-k -K}"
/* Provide a LIB_SPEC appropriate for NetBSD. Just select the appropriate
- libc, depending on whether we're doing profiling. */
+ libc, depending on whether we're doing profiling; if `-posix' is specified,
+ link against the appropriate libposix first. */
#undef LIB_SPEC
-#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
+#define LIB_SPEC \
+ "%{posix:%{!p:%{!pg:-lposix}}%{p:-lposix_p}%{pg:-lposix_p}} \
+ %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
+
+/* Provide a LIBGCC_SPEC appropriate for NetBSD. We also want to exclude
+ libgcc when -symbolic. */
+
+#undef LIBGCC_SPEC
+#define LIBGCC_SPEC "%{!shared:%{!symbolic:-lgcc}}"
+
+/* #ifdef NETBSD_AOUT */
+
+/* Provide a STARTFILE_SPEC appropriate for NetBSD a.out. Here we
+ provide support for the special GCC option -static. */
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC \
+ "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:%{!static:crt0%O%s}%{static:scrt0%O%s}}}} %{shared:c++rt0%O%s}"
/* Provide a LINK_SPEC appropriate for NetBSD. Here we provide support
for the special GCC options -static, -assert, and -nostdlib. */
#undef LINK_SPEC
#define LINK_SPEC \
- "%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{R*} %{static:-Bstatic} %{assert*}"
+ "%{nostdlib:-nostdlib} %{!shared:%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{static:-Bstatic}} %{shared:-Bshareable} %{R*} %{assert*}"
+
+/* #endif NETBSD_AOUT */
/* This defines which switch letters take arguments. */
#undef SWITCH_TAKES_ARG
@@ -127,6 +147,9 @@
entries in an ELF object file under SVR4. These macros also output
the starting labels for the relevant functions/objects. */
+/* XXX. This is WRONG for alpha. Needs to be verified on other ELF ports. */
+#ifndef NETBSD_ELF
+
/* Write the extra assembler code needed to declare a function properly.
Some svr4 assemblers need to also have something extra said about the
function's return value. We allow for that here. */
@@ -207,3 +230,56 @@
putc ('\n', FILE); \
} \
} while (0)
+
+#endif /* ! NETBSD_ELF */
+
+/* NetBSD ELF support begins here. */
+
+#ifdef NETBSD_ELF
+
+/* Start with generic ELF definitions. */
+#if !defined(__sparc__)
+#include "elfos.h"
+
+#undef DWARF_DEBUGGING_INFO /* XXX */
+#undef DWARF2_DEBUGGING_INFO /* XXX */
+#endif
+
+/* Provide a STARTFILE_SPEC appropriate for NetBSD ELF targets. Here we
+ provide support for the special GCC option -static. On ELF targets,
+ we also add the crtbegin.o file which provides part of the support
+ for getting C++ file-scope static objects constructed before entering
+ `main'. */
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC \
+ "%{!shared: \
+ %{pg:gcrt0%O%s} \
+ %{!pg: \
+ %{p:gcrt0%O%s} \
+ %{!p:crt0%O%s}}} \
+ %{!shared:crtbegin%O%s} %{shared:crtbeginS%O%s}"
+
+/* Provide an ENDFILE_SPEC appropriate for NetBSD ELF targets. Here we
+ add crtend.o, which provides part of the support for getting C++
+ file-scope static objects deconstructed after exiting `main'. */
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC \
+ "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"
+
+/* Provide a LINK_SPEC appropriate for a NetBSD ELF target. */
+
+#undef LINK_SPEC
+#define LINK_SPEC \
+ "%{assert*} \
+ %{shared:-shared} \
+ %{!shared: \
+ -dc -dp \
+ %{!nostdlib:%{!r*:%{!e*:-e __start}}} \
+ %{!static: \
+ %{rdynamic:-export-dynamic} \
+ %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
+ %{static:-static}}"
+
+#endif /* NETBSD_ELF */
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