collect2.c (GCC_OK_SYMBOL): Add support for AIX C_WEAKEXT.

        * collect2.c (GCC_OK_SYMBOL): Add support for AIX C_WEAKEXT.
        (GCC_UNDEF_SYMBOL): Same.

Co-Authored-By: Graham Reed <greed@pobox.com>

From-SVN: r74407

gcc/ChangeLog

+2003-12-07  David Edelsohn  <edelsohn@gnu.org>
+	    Graham Reed <greed@pobox.com>
+
+	* collect2.c (GCC_OK_SYMBOL): Add support for AIX C_WEAKEXT.
+	(GCC_UNDEF_SYMBOL): Same.
+
 2003-12-07  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* final.c (final_scan_insn): Don't use FINAL_PRESCAN_LABEL.

gcc/collect2.c

@@ -2552,7 +2552,7 @@ scan_libraries (const char *prog_name)
 
 #ifdef OBJECT_FORMAT_COFF
 
-#if defined(EXTENDED_COFF)
+#if defined (EXTENDED_COFF)
 
 #   define GCC_SYMBOLS(X)	(SYMHEADER(X).isymMax + SYMHEADER(X).iextMax)
 #   define GCC_SYMENT		SYMR
@@ -2565,14 +2565,26 @@ scan_libraries (const char *prog_name)
 
 #   define GCC_SYMBOLS(X)	(HEADER(ldptr).f_nsyms)
 #   define GCC_SYMENT		SYMENT
-#   define GCC_OK_SYMBOL(X) \
-     (((X).n_sclass == C_EXT) && \
-      ((X).n_scnum > N_UNDEF) && \
-      (aix64_flag \
-       || (((X).n_type & N_TMASK) == (DT_NON << N_BTSHFT) \
-           || ((X).n_type & N_TMASK) == (DT_FCN << N_BTSHFT))))
-#   define GCC_UNDEF_SYMBOL(X) \
-     (((X).n_sclass == C_EXT) && ((X).n_scnum == N_UNDEF))
+#   if defined (C_WEAKEXT)
+#     define GCC_OK_SYMBOL(X) \
+       (((X).n_sclass == C_EXT || (X).n_sclass == C_WEAKEXT) && \
+        ((X).n_scnum > N_UNDEF) && \
+        (aix64_flag \
+         || (((X).n_type & N_TMASK) == (DT_NON << N_BTSHFT) \
+             || ((X).n_type & N_TMASK) == (DT_FCN << N_BTSHFT))))
+#     define GCC_UNDEF_SYMBOL(X) \
+       (((X).n_sclass == C_EXT || (X).n_sclass == C_WEAKEXT) && \
+        ((X).n_scnum == N_UNDEF))
+#   else
+#     define GCC_OK_SYMBOL(X) \
+       (((X).n_sclass == C_EXT) && \
+        ((X).n_scnum > N_UNDEF) && \
+        (aix64_flag \
+         || (((X).n_type & N_TMASK) == (DT_NON << N_BTSHFT) \
+             || ((X).n_type & N_TMASK) == (DT_FCN << N_BTSHFT))))
+#     define GCC_UNDEF_SYMBOL(X) \
+       (((X).n_sclass == C_EXT) && ((X).n_scnum == N_UNDEF))
+#   endif
 #   define GCC_SYMINC(X)	((X).n_numaux+1)
 #   define GCC_SYMZERO(X)	0