freebsd-ports/lang/gcc28/files/patch-01

--- config/i386/freebsd.h.orig	Sun Oct 19 09:31:05 1997
+++ config/i386/freebsd.h	Tue Aug 11 14:28:56 1998
@@ -35,10 +35,21 @@
 #include "i386/perform.h"
 
 #undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dunix -Di386 -D__FreeBSD__ -D__386BSD__ -Asystem(unix) -Asystem(FreeBSD) -Acpu(i386) -Amachine(i386)"
+#define CPP_PREDEFINES "-Dunix -Di386 -D__FreeBSD__=2 -Asystem(unix) -Asystem(FreeBSD) -Acpu(i386) -Amachine(i386)"
+
+/* FreeBSD using a.out does not support DWARF2 unwinding mechanisms.
+   Thus, need the equivalent of "-fsjlj-exceptions" (use setjmp/longjmp
+   for exceptions).  */
+#define DWARF2_UNWIND_INFO 0
+
+/* Provide a CPP_SPEC appropriate for OpenBSD.  Current we just deal with
+   the GCC option `-posix'.  */
+
+#undef CPP_SPEC
+#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
 
 /* Like the default, except no -lg.  */
-#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
+#define LIB_SPEC "%{!shared:%{!pg:-lc}%{pg:-lc_p}}"
 
 #undef SIZE_TYPE
 #define SIZE_TYPE "unsigned int"
@@ -54,8 +65,13 @@
 #undef WCHAR_TYPE_SIZE
 #define WCHAR_TYPE_SIZE 16
 
+/* We have atexit(3). */
 #define HAVE_ATEXIT
 
+/* We want gcc.c to call mktemp() for each file it generates. We would
+   prefer mkstemp(), but we will take what we get. XXX busted */
+/* #undef MKTEMP_EACH_FILE */
+
 #undef ASM_APP_ON
 #define ASM_APP_ON "#APP\n"
 
@@ -114,6 +130,7 @@
 
 #define TYPE_ASM_OP	".type"
 #define SIZE_ASM_OP	".size"
+#define SET_ASM_OP	".set"
 
 /* The following macro defines the format used to output the second
    operand of the .type assembler directive.  Different svr4 assemblers
@@ -123,6 +140,16 @@
 
 #define TYPE_OPERAND_FMT	"@%s"
 
+/* Handle #pragma weak and #pragma pack. */
+
+#define HANDLE_SYSV_PRAGMA	1
+
+/* This is how we tell the assembler that a symbol is weak. */
+
+#define ASM_WEAKEN_LABEL(FILE,NAME) \
+  do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \
+  fputc ('\n', FILE); } while (0)
+
 /* Write the extra assembler code needed to declare a function's result.
    Most svr4 assemblers don't require any special declaration of the
    result value, but there are exceptions.  */
@@ -131,9 +158,9 @@
 #define ASM_DECLARE_RESULT(FILE, RESULT)
 #endif
 
-/* These macros generate the special .type and .size directives which
+/* these macros generate the special .type and .size directives which
    are used to set the corresponding fields of the linker symbol table
-   entries in an ELF object file under SVR4.  These macros also output
+   entries in an elf object file under svr4.  these macros also output
    the starting labels for the relevant functions/objects.  */
 
 /* Write the extra assembler code needed to declare a function properly.
@@ -185,6 +212,7 @@
          && DECL_INITIAL (DECL) == error_mark_node                      \
          && !size_directive_output)                                     \
        {                                                                \
+         size_directive_output = 1;                                     \
          fprintf (FILE, "\t%s\t ", SIZE_ASM_OP);                        \
 	 assemble_name (FILE, name);                                    \
 	 fprintf (FILE, ",%d\n",  int_size_in_bytes (TREE_TYPE (DECL)));\
@@ -213,33 +241,57 @@
       }									\
   } while (0)
 
+/* XXX - should ASM_SPEC be " %| %{fpic:-k} %{fPIC:-k -K}" ??? */
 #define ASM_SPEC   " %| %{fpic:-k} %{fPIC:-k}"
+
 #define LINK_SPEC \
-  "%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} %{assert*}"
+  "%{p:%e`-p' not supported; use `-pg' and gprof(1)} \
+  %{shared:-Bshareable} \
+  %{!shared:%{!nostdlib:%{!r:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} \
+  %{pg:-Bstatic} %{Z}} \
+  %{assert*} %{R*}"
+
+#ifdef FROM_OPENBSD
+/* This defines which switch letters take arguments.  
+   make -R /path/to/lib work the same as -R/path/to/lib */
+#undef SWITCH_TAKES_ARG
+#define SWITCH_TAKES_ARG(CHAR) \
+  (DEFAULT_SWITCH_TAKES_ARG(CHAR) \
+   || (CHAR) == 'R')
+#endif
+
+#define STARTFILE_SPEC  \
+  "%{shared:c++rt0.o%s} \
+  %{!shared:%{pg:gcrt0.o%s}%{!pg:%{static:scrt0.o%s}%{!static:crt0.o%s}}}"
 
-/* This is defined when gcc is compiled in the BSD-directory-tree, and must
- * make up for the gap to all the stuff done in the GNU-makefiles.
+#define MD_STARTFILE_PREFIX "/usr/lib/aout/"
+
+/* FREEBSD_NATIVE is defined when gcc is compiled in the BSD-directory-tree, 
+ * and must make up for the gap to all the stuff done in the GNU-makefiles.
  */
 
 #ifdef FREEBSD_NATIVE
 
-#define INCLUDE_DEFAULTS { \
-	{ "/usr/include", 0, 0, 0 }, \
-	{ "/usr/include/g++", "G++", 1, 1 }, \
-	{ 0, 0, 0, 0} \
-	}
+#undef GCC_INCLUDE_DIR
+#define GCC_INCLUDE_DIR "/usr/include"
+
+#undef GPLUSPLUS_INCLUDE_DIR
+#define GPLUSPLUS_INCLUDE_DIR "/usr/include/g++"
+
+/* Look for the include files in the system-defined places.  */
+
+#undef INCLUDE_DEFAULTS
+#define INCLUDE_DEFAULTS			\
+  {						\
+    { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 },	\
+    { GCC_INCLUDE_DIR, 0, 0, 0 },		\
+    { 0, 0, 0, 0 }				\
+  }
 
 #undef MD_EXEC_PREFIX
 #define MD_EXEC_PREFIX "/usr/libexec/"
 
 #undef STANDARD_STARTFILE_PREFIX
 #define STANDARD_STARTFILE_PREFIX "/usr/lib"
-
-#if 0 /* This is very wrong!!! */
-#define DEFAULT_TARGET_MACHINE "i386-unknown-freebsd_1.0"
-#define GPLUSPLUS_INCLUDE_DIR "/usr/local/lib/gcc-lib/i386-unknown-freebsd_1.0/2.5.8/include"
-#define TOOL_INCLUDE_DIR "/usr/local/i386-unknown-freebsd_1.0/include"
-#define GCC_INCLUDE_DIR "/usr/local/lib/gcc-lib/i386-unknown-freebsd_1.0/2.5.8/include"
-#endif
 
 #endif /* FREEBSD_NATIVE */