i386.h (CPP_486_SPEC, [...]): New specs.

        * i386/i386.h (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): New specs.
        (CPP_CPU_DEFAULT_SPEC, CPP_CPU_SPEC): Use them.
        (EXTRA_SPECS): Support them.
        * gcc.c: Delete %[spec] support.
        (do_spec_1, case '('): Likewise.
        (do_spec_1, case '['): Call error.
        * i386/aix386ng.h, cygwin32.h, freebsd-elf.h, gas.h, isc.h,
        linux-aout.h, linux-oldld.h, linux.h, osfelf.h, osfrose.h, sco.h,
        sco4.h, sco4dbx.h, sco5.h, sol2.h, sysv3.h (CPP_SPEC): Delete
        %[cpp_cpu].

From-SVN: r21120

19 files changed, 78 insertions, 88 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1a86cbe..ae87f3c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,16 @@
+Mon Jul 13 23:36:08 1998  Jim Wilson  <wilson@cygnus.com>
+
+	* i386/i386.h (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): New specs.
+	(CPP_CPU_DEFAULT_SPEC, CPP_CPU_SPEC): Use them.
+	(EXTRA_SPECS): Support them.
+	* gcc.c: Delete %[spec] support.
+	(do_spec_1, case '('): Likewise.
+	(do_spec_1, case '['): Call error.
+	* i386/aix386ng.h, cygwin32.h, freebsd-elf.h, gas.h, isc.h,
+	linux-aout.h, linux-oldld.h, linux.h, osfelf.h, osfrose.h, sco.h,
+	sco4.h, sco4dbx.h, sco5.h, sol2.h, sysv3.h (CPP_SPEC): Delete
+	%[cpp_cpu].
+
 Mon Jul 13 23:31:04 1998  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 
 	* m68k.c (output_scc_di): Use cmpw #0 only for address registers.
diff --git a/gcc/config/i386/aix386ng.h b/gcc/config/i386/aix386ng.h
index 7ced3cf..a177b69 100644
--- a/gcc/config/i386/aix386ng.h
+++ b/gcc/config/i386/aix386ng.h
@@ -46,7 +46,7 @@ Boston, MA 02111-1307, USA.  */
 
 #define CPP_PREDEFINES "-Dps2 -Dunix -Asystem(aix)"
 
-#define CPP_SPEC "%(cpp_cpu) %[cpp_cpu] \
+#define CPP_SPEC "%(cpp_cpu) \
   %{posix:-D_POSIX_SOURCE}%{!posix:-DAIX} -D_I386 -D_AIX -D_MBCS"
 
 /* special flags for the aix assembler to generate the short form for all
diff --git a/gcc/config/i386/cygwin32.h b/gcc/config/i386/cygwin32.h
index 1849980..db13d3f 100644
--- a/gcc/config/i386/cygwin32.h
+++ b/gcc/config/i386/cygwin32.h
@@ -50,7 +50,7 @@ Boston, MA 02111-1307, USA. */
   -Asystem(winnt) -Acpu(i386) -Amachine(i386)"
 
 #undef CPP_SPEC
-#define CPP_SPEC "-remap %(cpp_cpu) %[cpp_cpu] %{posix:-D_POSIX_SOURCE}"
+#define CPP_SPEC "-remap %(cpp_cpu) %{posix:-D_POSIX_SOURCE}"
 
 /* We have to dynamic link to get to the system DLLs.  All of libc, libm and
    the Unix stuff is in cygwin.dll.  The import library is called
diff --git a/gcc/config/i386/freebsd-elf.h b/gcc/config/i386/freebsd-elf.h
index bb6e16c..3c1934b 100644
--- a/gcc/config/i386/freebsd-elf.h
+++ b/gcc/config/i386/freebsd-elf.h
@@ -143,7 +143,7 @@ Boston, MA 02111-1307, USA.  */
 #define CPP_PREDEFINES "-Di386 -Dunix -D__ELF__ -D__FreeBSD__ -Asystem(unix) -Asystem(FreeBSD) -Acpu(i386) -Amachine(i386)"
 
 #undef CPP_SPEC
-#define CPP_SPEC "%(cpp_cpu) %[cpp_cpu] %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE}"
+#define CPP_SPEC "%(cpp_cpu) %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE}"
 
 #undef	LIB_SPEC
 #if 1
diff --git a/gcc/config/i386/gas.h b/gcc/config/i386/gas.h
index 52c5cc4..173bf19 100644
--- a/gcc/config/i386/gas.h
+++ b/gcc/config/i386/gas.h
@@ -57,7 +57,7 @@ Boston, MA 02111-1307, USA.  */
 /* Specify predefined symbols in preprocessor.  */
 
 #define CPP_PREDEFINES "-Dunix"
-#define CPP_SPEC "%(cpp_cpu) %[cpp_cpu] %{posix:-D_POSIX_SOURCE}"
+#define CPP_SPEC "%(cpp_cpu) %{posix:-D_POSIX_SOURCE}"
 
 /* Allow #sccs in preprocessor.  */
 
diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
index 87eaf86..a575611 100644
--- a/gcc/config/i386/i386.h
+++ b/gcc/config/i386/i386.h
@@ -304,15 +304,21 @@ extern int ix86_arch;
 %{mpentiumpro:-mcpu=pentiumpro}}"
 #endif
 
+#define CPP_486_SPEC "%{!ansi:-Di486} -D__i486 -D__i486__"
+#define CPP_586_SPEC "%{!ansi:-Di586 -Dpentium} \
+	-D__i586 -D__i586__ -D__pentium -D__pentium__"
+#define CPP_686_SPEC "%{!ansi:-Di686 -Dpentiumpro} \
+	-D__i686 -D__i686__ -D__pentiumpro -D__pentiumpro__"
+
 #ifndef CPP_CPU_DEFAULT_SPEC
 #if TARGET_CPU_DEFAULT == 1
-#define CPP_CPU_DEFAULT_SPEC "-Di486"
+#define CPP_CPU_DEFAULT_SPEC "%(cpp_486)"
 #else
 #if TARGET_CPU_DEFAULT == 2
-#define CPP_CPU_DEFAULT_SPEC "-Dpentium -Di586"
+#define CPP_CPU_DEFAULT_SPEC "%(cpp_586)"
 #else
 #if TARGET_CPU_DEFAULT == 3
-#define CPP_CPU_DEFAULT_SPEC "-Dpentiumpro -Di686"
+#define CPP_CPU_DEFAULT_SPEC "%(cpp_686)"
 #else
 #define CPP_CPU_DEFAULT_SPEC ""
 #endif
@@ -322,11 +328,12 @@ extern int ix86_arch;
 
 #ifndef CPP_CPU_SPEC
 #define CPP_CPU_SPEC "\
--Di386 -Asystem(unix) -Acpu(i386) -Amachine(i386) \
-%{mcpu=i486:-Di486} %{m486:-Di486} \
-%{mpentium:-Dpentium -Di586} %{mcpu=pentium:-Dpentium -Di586} \
-%{mpentiumpro:-Dpentiumpro -Di686} %{mcpu=pentiumpro:-Dpentiumpro -Di686} \
-%{!mcpu*:%{!m486:%{!mpentium*: %[cpp_cpu_default]}}}"
+-Asystem(unix) -Acpu(i386) -Amachine(i386) \
+%{!ansi:-Di386} -D__i386 -D__i386__ \
+%{mcpu=i486:%(cpp_486)} %{m486:%(cpp_486)} \
+%{mpentium:%(cpp_586)} %{mcpu=pentium:%(cpp_586)} \
+%{mpentiumpro:%(cpp_686)} %{mcpu=pentiumpro:%(cpp_686)} \
+%{!mcpu*:%{!m486:%{!mpentium*:%(cpp_cpu_default)}}}"
 #endif
 
 #ifndef CC1_SPEC
@@ -348,6 +355,9 @@ extern int ix86_arch;
 #endif
 
 #define EXTRA_SPECS							\
+  { "cpp_486", CPP_486_SPEC},						\
+  { "cpp_586", CPP_586_SPEC},						\
+  { "cpp_686", CPP_686_SPEC},						\
   { "cpp_cpu_default",	CPP_CPU_DEFAULT_SPEC },				\
   { "cpp_cpu",	CPP_CPU_SPEC },						\
   { "cc1_cpu",  CC1_CPU_SPEC },						\
diff --git a/gcc/config/i386/isc.h b/gcc/config/i386/isc.h
index c0a5150..5c39896 100644
--- a/gcc/config/i386/isc.h
+++ b/gcc/config/i386/isc.h
@@ -19,7 +19,7 @@
 #define LIB_SPEC "%{shlib:-lc_s} %{posix:-lcposix} %{Xp:-lcposix} -lc -lg"
 
 #undef CPP_SPEC
-#define CPP_SPEC "%(cpp_cpu) %[cpp_cpu] %{posix:-D_POSIX_SOURCE} %{Xp:-D_POSIX_SOURCE}"
+#define CPP_SPEC "%(cpp_cpu) %{posix:-D_POSIX_SOURCE} %{Xp:-D_POSIX_SOURCE}"
 
 /* ISC 2.2 uses `char' for `wchar_t'.  */
 #undef WCHAR_TYPE
@@ -87,3 +87,7 @@
     }                                            \
     fputs ("\"\n", FILE);                        \
   } while (0)
+
+/* Work around assembler forward label references generated in exception
+   handling code. */
+#define DWARF2_UNWIND_INFO 0
diff --git a/gcc/config/i386/linux-aout.h b/gcc/config/i386/linux-aout.h
index 98cf55e..de81d87 100644
--- a/gcc/config/i386/linux-aout.h
+++ b/gcc/config/i386/linux-aout.h
@@ -34,7 +34,7 @@ Boston, MA 02111-1307, USA.  */
 #define CPP_PREDEFINES "-Dunix -Dlinux -Asystem(posix)"
 
 #undef CPP_SPEC
-#define CPP_SPEC "%(cpp_cpu) %[cpp_cpu] %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE}"
+#define CPP_SPEC "%(cpp_cpu) %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE}"
 
 #undef SIZE_TYPE
 #define SIZE_TYPE "unsigned int"
diff --git a/gcc/config/i386/linux-oldld.h b/gcc/config/i386/linux-oldld.h
index a67fd0f..4e3085b 100644
--- a/gcc/config/i386/linux-oldld.h
+++ b/gcc/config/i386/linux-oldld.h
@@ -35,7 +35,7 @@ Boston, MA 02111-1307, USA.  */
 #define CPP_PREDEFINES "-Dunix -Dlinux -Asystem(posix)"
 
 #undef CPP_SPEC
-#define CPP_SPEC "%(cpp_cpu) %[cpp_cpu] %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE}"
+#define CPP_SPEC "%(cpp_cpu) %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE}"
 
 #undef SIZE_TYPE
 #define SIZE_TYPE "unsigned int"
diff --git a/gcc/config/i386/linux.h b/gcc/config/i386/linux.h
index ed50b01..373c804 100644
--- a/gcc/config/i386/linux.h
+++ b/gcc/config/i386/linux.h
@@ -155,9 +155,9 @@ Boston, MA 02111-1307, USA.  */
 
 #undef CPP_SPEC
 #ifdef USE_GNULIBC_1
-#define CPP_SPEC "%(cpp_cpu) %[cpp_cpu] %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE}"
+#define CPP_SPEC "%(cpp_cpu) %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE}"
 #else
-#define CPP_SPEC "%(cpp_cpu) %[cpp_cpu] %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
+#define CPP_SPEC "%(cpp_cpu) %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
 #endif
 
 #undef CC1_SPEC
diff --git a/gcc/config/i386/osfelf.h b/gcc/config/i386/osfelf.h
index 4604a34..381ffc2 100644
--- a/gcc/config/i386/osfelf.h
+++ b/gcc/config/i386/osfelf.h
@@ -25,7 +25,7 @@ Boston, MA 02111-1307, USA.  */
 #define CPP_PREDEFINES "-DOSF -DOSF1 -Dunix -Asystem(xpg4)"
 
 #undef  CPP_SPEC
-#define CPP_SPEC "%(cpp_cpu) %[cpp_cpu] \
+#define CPP_SPEC "%(cpp_cpu) \
 %{mrose: -D__ROSE__ %{!pic-none: -D__SHARED__}} \
 %{!mrose: -D__ELF__ %{fpic: -D__SHARED__}} \
 %{mno-underscores: -D__NO_UNDERSCORES__} \
diff --git a/gcc/config/i386/osfrose.h b/gcc/config/i386/osfrose.h
index e2e6231..9cfe187 100644
--- a/gcc/config/i386/osfrose.h
+++ b/gcc/config/i386/osfrose.h
@@ -93,7 +93,7 @@ Boston, MA 02111-1307, USA.  */
 #define CPP_PREDEFINES "-DOSF -DOSF1 -Dunix -Asystem(xpg4)"
 
 #undef  CPP_SPEC
-#define CPP_SPEC "%(cpp_cpu) %[cpp_cpu] \
+#define CPP_SPEC "%(cpp_cpu) \
 %{!melf: -D__ROSE__ %{!pic-none: -D__SHARED__}} \
 %{melf: -D__ELF__ %{fpic: -D__SHARED__}} \
 %{mno-underscores: -D__NO_UNDERSCORES__} \
diff --git a/gcc/config/i386/sco.h b/gcc/config/i386/sco.h
index 9c94a76..016e0a0 100644
--- a/gcc/config/i386/sco.h
+++ b/gcc/config/i386/sco.h
@@ -58,7 +58,7 @@ Boston, MA 02111-1307, USA.  */
 #define CPP_PREDEFINES "-Dunix -DM_UNIX -DM_I386 -DM_COFF -DM_WORDSWAP -Asystem(svr3)"
 
 #undef CPP_SPEC
-#define CPP_SPEC "%(cpp_cpu) %[cpp_cpu] %{scointl:-DM_INTERNAT}"
+#define CPP_SPEC "%(cpp_cpu) %{scointl:-DM_INTERNAT}"
 
 /* This spec is used for telling cpp whether char is signed or not.  */
 
diff --git a/gcc/config/i386/sco4.h b/gcc/config/i386/sco4.h
index 1b17d67..5d1ea47 100644
--- a/gcc/config/i386/sco4.h
+++ b/gcc/config/i386/sco4.h
@@ -66,7 +66,7 @@ Boston, MA 02111-1307, USA.  */
  "-Asystem(svr3)"
 
 #undef CPP_SPEC
-#define CPP_SPEC "%(cpp_cpu) %[cpp_cpu] \
+#define CPP_SPEC "%(cpp_cpu) \
   -D_i386 -D_M_I386 -D_M_I86 -D_M_I86SM -D_M_SDATA -D_M_STEXT \
   -D_unix -D_M_UNIX -D_M_XENIX \
   -D_M_SYS5 -D_M_SYSV -D_M_SYS3 -D_M_SYSIII \
diff --git a/gcc/config/i386/sco4dbx.h b/gcc/config/i386/sco4dbx.h
index 6ff5714..3d075b6 100644
--- a/gcc/config/i386/sco4dbx.h
+++ b/gcc/config/i386/sco4dbx.h
@@ -64,7 +64,7 @@ Boston, MA 02111-1307, USA.  */
 #define CPP_PREDEFINES "-Dunix -Asystem(svr3)"
 
 #undef CPP_SPEC
-#define CPP_SPEC "%(cpp_cpu) %[cpp_cpu] \
+#define CPP_SPEC "%(cpp_cpu) \
   -D_M_I386 -D_M_I86 -D_M_I86SM -D_M_SDATA -D_M_STEXT \
   -D_M_UNIX -D_M_XENIX \
   -D_M_SYS5 -D_M_SYSV -D_M_SYS3 -D_M_SYSIII \
diff --git a/gcc/config/i386/sco5.h b/gcc/config/i386/sco5.h
index d656eb9..62156dd 100644
--- a/gcc/config/i386/sco5.h
+++ b/gcc/config/i386/sco5.h
@@ -832,7 +832,7 @@ dtors_section ()							\
 /* You are in a maze of GCC specs ... all alike */
 
 #undef CPP_SPEC
-#define CPP_SPEC "%(cpp_cpu) %[cpp_cpu] \
+#define CPP_SPEC "%(cpp_cpu) \
   %{fpic:%{mcoff:%e-fpic is not valid with -mcoff}} \
   %{fPIC:%{mcoff:%e-fPIC is not valid with -mcoff}} \
   -D__i386 -D__unix -D_SCO_DS=1 -D_M_I386 -D_M_XENIX -D_M_UNIX \
diff --git a/gcc/config/i386/sol2.h b/gcc/config/i386/sol2.h
index 55fe5f7..8fc3e61 100644
--- a/gcc/config/i386/sol2.h
+++ b/gcc/config/i386/sol2.h
@@ -1,5 +1,5 @@
 /* Target definitions for GNU compiler for Intel 80386 running Solaris 2
-   Copyright (C) 1993, 1995, 1996 Free Software Foundation, Inc.
+   Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
    Contributed by Fred Fish (fnf@cygnus.com).
 
 This file is part of GNU CC.
@@ -30,7 +30,7 @@ Boston, MA 02111-1307, USA.  */
    executed.  This macro forces the assembler to do the padding, since
    it knows what it is doing. */
 
-#define FORCE_INIT_SECTION_ALIGN do { asm (ALIGN_ASM_OP ## " 16"); } while (0)
+#define FORCE_INIT_SECTION_ALIGN asm (ALIGN_ASM_OP ## " 16")
 #define FORCE_FINI_SECTION_ALIGN FORCE_INIT_SECTION_ALIGN
 
 /* Add "sun" to the list of symbols defined for SVR4.  */
@@ -39,7 +39,7 @@ Boston, MA 02111-1307, USA.  */
   "-Dunix -D__svr4__ -D__SVR4 -Dsun -Asystem(svr4)"
 
 #undef CPP_SPEC
-#define CPP_SPEC "%(cpp_cpu) %[cpp_cpu] \
+#define CPP_SPEC "%(cpp_cpu) \
    %{compat-bsd:-iwithprefixbefore ucbinclude -I/usr/ucbinclude}"
 
 #undef LIB_SPEC
@@ -53,7 +53,7 @@ Boston, MA 02111-1307, USA.  */
 #define STARTFILE_SPEC "%{!shared: \
 			 %{!symbolic: \
 			  %{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}}}\
-			%{pg:gmon.o%s}%{!pg:crti.o%s} \
+			%{pg:gmon.o%s} crti.o%s \
 			%{ansi:values-Xc.o%s} \
 			%{!ansi: \
 			 %{traditional:values-Xt.o%s} \
@@ -72,12 +72,14 @@ Boston, MA 02111-1307, USA.  */
    %{YP,*} \
    %{R*} \
    %{compat-bsd: \
-     %{!YP,*:%{p:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
-       %{!p:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}} \
+     %{!YP,*:%{pg:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
+     %{!pg:%{p:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
+       %{!p:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}}} \
      -R /usr/ucblib} \
    %{!compat-bsd: \
-     %{!YP,*:%{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
-       %{!p:-Y P,/usr/ccs/lib:/usr/lib}}} \
+     %{!YP,*:%{pg:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
+     %{!pg:%{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
+       %{!p:-Y P,/usr/ccs/lib:/usr/lib}}}} \
    %{Qy:} %{!Qn:-Qy}"
 
 /* This defines which switch letters take arguments.
@@ -90,3 +92,4 @@ Boston, MA 02111-1307, USA.  */
    || (CHAR) == 'h' \
    || (CHAR) == 'z')
 
+#define STDC_0_IN_SYSTEM_HEADERS
diff --git a/gcc/config/i386/sysv3.h b/gcc/config/i386/sysv3.h
index b6a1fcc..ce89889 100644
--- a/gcc/config/i386/sysv3.h
+++ b/gcc/config/i386/sysv3.h
@@ -44,7 +44,7 @@ Boston, MA 02111-1307, USA.  */
 
 #define CPP_PREDEFINES "-Dunix -Asystem(svr3)"
 
-#define CPP_SPEC "%(cpp_cpu) %[cpp_cpu] %{posix:-D_POSIX_SOURCE}"
+#define CPP_SPEC "%(cpp_cpu) %{posix:-D_POSIX_SOURCE}"
 
 /* Writing `int' for a bitfield forces int alignment for the structure.  */
 
diff --git a/gcc/gcc.c b/gcc/gcc.c
index 48b94fc..17978f7 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -365,7 +365,6 @@ or with constant text in a single argument.
  %{S|P:X} substitutes X if either -S or -P was given to CC.  This may be
 	  combined with ! and . as above binding stronger than the OR.
  %(Spec) processes a specification defined in a specs file as *Spec:
- %[Spec] as above, but put __ around -D arguments
 
 The conditional text X in a %{S:X} or %{!S:X} construct may contain
 other nested % constructs or spaces, or even newlines.  They are
@@ -1111,8 +1110,7 @@ skip_whitespace (p)
 }
 
 /* Structure to keep track of the specs that have been defined so far.
-   These are accessed using %(specname) or %[specname] in a compiler
-   or link spec.  */
+   These are accessed using %(specname) in a compiler or link spec.  */
 
 struct spec_list
 {
@@ -3994,11 +3992,8 @@ do_spec_1 (spec, inswitch, soft_matched_part)
 
 	    /* Process a string found as the value of a spec given by name.
 	       This feature allows individual machine descriptions
-	       to add and use their own specs.
-	       %[...] modifies -D options the way %P does;
-	       %(...) uses the spec unmodified.  */
+	       to add and use their own specs.  */
 	  case '(':
-	  case '[':
 	    {
 	      char *name = p;
 	      struct spec_list *sl;
@@ -4006,7 +4001,7 @@ do_spec_1 (spec, inswitch, soft_matched_part)
 
 	      /* The string after the S/P is the name of a spec that is to be
 		 processed.  */
-	      while (*p && *p != ')' && *p != ']')
+	      while (*p && *p != ')')
 		p++;
 
 	      /* See if it's in the list */
@@ -4015,67 +4010,32 @@ do_spec_1 (spec, inswitch, soft_matched_part)
 		  {
 		    name = *(sl->ptr_spec);
 #ifdef DEBUG_SPECS
-		    fprintf (stderr, "Processing spec %c%s%c, which is '%s'\n",
-			     c, sl->name, (c == '(') ? ')' : ']', name);
+		    fprintf (stderr, "Processing spec %s, which is '%s'\n",
+			     sl->name, name);
 #endif
 		    break;
 		  }
 
 	      if (sl)
 		{
-		  if (c == '(')
-		    {
-		      value = do_spec_1 (name, 0, NULL_PTR);
-		      if (value != 0)
-			return value;
-		    }
-		  else
-		    {
-		      char *x = (char *) alloca (strlen (name) * 2 + 1);
-		      char *buf = x;
-		      char *y = name;
-		      int flag = 0;
-
-		      /* Copy all of NAME into BUF, but put __ after
-			 every -D and at the end of each arg,  */
-		      while (1)
-			{
-			  if (! strncmp (y, "-D", 2))
-			    {
-			      *x++ = '-';
-			      *x++ = 'D';
-			      *x++ = '_';
-			      *x++ = '_';
-			      y += 2;
-			      flag = 1;
-			      continue;
-			    }
-                          else if (flag && (*y == ' ' || *y == '\t' || *y == '='
-                                            || *y == '}' || *y == 0))
-			    {
-			      *x++ = '_';
-			      *x++ = '_';
-			      flag = 0;
-			    }
-                          if (*y == 0)
-			    break;
-			  else
-			    *x++ = *y++;
-			}
-		      *x = 0;
-
-		      value = do_spec_1 (buf, 0, NULL_PTR);
-		      if (value != 0)
-			return value;
-		    }
+		  value = do_spec_1 (name, 0, NULL_PTR);
+		  if (value != 0)
+		    return value;
 		}
 
-	      /* Discard the closing paren or bracket.  */
+	      /* Discard the closing paren.  */
 	      if (*p)
 		p++;
 	    }
 	    break;
 
+	    /* This used to be like %(, except that it modified -D options
+	       the same way as %P.  This has been obsoleted, as it was not
+	       useful for obtaining correct ISO C semantics for defines.  */
+	  case '[':
+	    error ("use of obsolete %[ operator in specs");
+	    return -1;
+
 	  case 'v':
 	    {
 	      int c1 = *p++;  /* Select first or second version number.  */