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Date:      Sat, 8 Jun 2002 13:00:07 -0700 (PDT)
From:      "David O'Brien" <obrien@FreeBSD.org>
To:        freebsd-bugs@FreeBSD.org
Subject:   Re: gnu/38594: Fortan program don't link post gcc-3.1
Message-ID:  <200206082000.g58K07T45174@freefall.freebsd.org>

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The following reply was made to PR gnu/38594; it has been noted by GNATS.

From: "David O'Brien" <obrien@FreeBSD.org>
To: kargl@troutmask.apl.washington.edu, freebsd-bugs@FreeBSD.org
Cc: FreeBSD-gnats-submit@FreeBSD.org
Subject: Re: gnu/38594: Fortan program don't link post gcc-3.1
Date: Sat, 8 Jun 2002 12:56:06 -0700

 My commited "fix" is a hack.  This diff would be the true fix if we
 wanted to go to all this trouble.
 
 Index: contrib/gcc/f/g77spec.c
 ===================================================================
 RCS file: /home/ncvs/src/contrib/gcc/f/g77spec.c,v
 retrieving revision 1.1.1.4
 diff -u -r1.1.1.4 g77spec.c
 --- contrib/gcc/f/g77spec.c	1 Feb 2002 18:15:47 -0000	1.1.1.4
 +++ contrib/gcc/f/g77spec.c	8 Jun 2002 19:43:59 -0000
 @@ -52,14 +52,23 @@
  #ifndef MATH_LIBRARY
  #define MATH_LIBRARY "-lm"
  #endif
 +#ifndef MATH_LIBRARY_PROFILE
 +#define MATH_LIBRARY_PROFILE "-lm"
 +#endif
  
  #ifndef FORTRAN_INIT
  #define FORTRAN_INIT "-lfrtbegin"
  #endif
 +#ifndef FORTRAN_INIT_PROFILE
 +#define FORTRAN_INIT_PROFILE "-lfrtbegin"
 +#endif
  
  #ifndef FORTRAN_LIBRARY
  #define FORTRAN_LIBRARY "-lg2c"
  #endif
 +#ifndef FORTRAN_LIBRARY_PROFILE
 +#define FORTRAN_LIBRARY_PROFILE "-lg2c"
 +#endif
  
  /* Options this driver needs to recognize, not just know how to
     skip over.  */
 @@ -79,6 +88,7 @@
    OPTION_nostdlib,		/* Aka --no-standard-libraries, or
  				   -nodefaultlibs. */
    OPTION_o,			/* Aka --output. */
 +  OPTION_p,			/* Aka --profile. */
    OPTION_S,			/* Aka --assemble. */
    OPTION_syntax_only,		/* -fsyntax-only. */
    OPTION_v,			/* Aka --verbose. */
 @@ -167,6 +177,9 @@
      opt = OPTION_L, arg = text + 2;
    else if (text[1] == 'o')
      opt = OPTION_o;
 +  else if ((text[1] == 'p') && (text[2] == '\0')
 +           || (text[1] == 'p') && (text[2] == 'g') && (text[3] == '\0'))
 +    opt = OPTION_p;
    else if ((text[1] == 'S') && (text[2] == '\0'))
      opt = OPTION_S, skip = 0;
    else if (text[1] == 'V')
 @@ -291,6 +304,9 @@
    /* By default, we throw on the math library if we have one.  */
    int need_math = (MATH_LIBRARY[0] != '\0');
  
 +  /* If non-zero, the user gave us the `-p' or `-pg' flag.  */ 
 +  int saw_profile_flag = 0;
 +
    /* The number of input and output files in the incoming arg list.  */
    int n_infiles = 0;
    int n_outfiles = 0;
 @@ -359,6 +375,11 @@
  	  ++n_outfiles;
  	  break;
  
 +	case OPTION_p:
 +	  saw_profile_flag = 1;
 +	  library = FORTRAN_LIBRARY_PROFILE;
 +	  break;
 +
  	case OPTION_v:
  	  verbose = 1;
  	  break;
 @@ -432,7 +453,7 @@
  	  /* Not a filename or library. */
  
  	 if (saw_library == 1 && need_math)    /* -l<library>. */
 -	    append_arg (MATH_LIBRARY);
 +	    append_arg (saw_profile_flag ? MATH_LIBRARY_PROFILE : MATH_LIBRARY);
  
  	  saw_library = 0;
  
 @@ -483,10 +504,12 @@
  		{
  		  if (0 == use_init)
  		    {
 -		      append_arg (FORTRAN_INIT);
 +		      append_arg (saw_profile_flag ? FORTRAN_INIT_PROFILE
 +				  : FORTRAN_INIT);
  		      use_init = 1;
  		    }
 -		  append_arg (FORTRAN_LIBRARY);
 +		  append_arg (saw_profile_flag ? FORTRAN_LIBRARY_PROFILE
 +			      : FORTRAN_LIBRARY);
  		}
  	    }
  	  else if (strcmp (argv[i], FORTRAN_LIBRARY) == 0)
 @@ -494,7 +517,8 @@
  	  else
  	    {		/* Other library, or filename. */
  	     if (saw_library == 1 && need_math)
 -		append_arg (MATH_LIBRARY);
 +		append_arg (saw_profile_flag ? MATH_LIBRARY_PROFILE
 +			    : MATH_LIBRARY);
  	      saw_library = 0;
  	    }
  	}
 @@ -513,13 +537,14 @@
  	case 0:
  	  if (0 == use_init)
  	    {
 -	      append_arg (FORTRAN_INIT);
 +	      append_arg (saw_profile_flag ? FORTRAN_INIT_PROFILE
 +			  : FORTRAN_INIT);
  	      use_init = 1;
  	    }
  	  append_arg (library);
  	case 1:
  	 if (need_math)
 -	   append_arg (MATH_LIBRARY);
 +	   append_arg (saw_profile_flag ? MATH_LIBRARY_PROFILE : MATH_LIBRARY);
  	default:
  	  break;
  	}
 Index: gnu/lib/Makefile
 ===================================================================
 RCS file: /home/ncvs/src/gnu/lib/Makefile,v
 retrieving revision 1.38
 diff -u -r1.38 Makefile
 --- gnu/lib/Makefile	29 May 2002 00:45:50 -0000	1.38
 +++ gnu/lib/Makefile	8 Jun 2002 19:44:01 -0000
 @@ -19,7 +19,7 @@
  .endif
  
  .if !defined(NO_FORTRAN)
 -SUBDIR+= libg2c
 +SUBDIR+= libfrtbegin libg2c
  .endif
  
  .include <bsd.subdir.mk>
 Index: gnu/lib/libfrtbegin/Makefile
 ===================================================================
 RCS file: gnu/lib/libfrtbegin/Makefile
 diff -N gnu/lib/libfrtbegin/Makefile
 --- /dev/null	1 Jan 1970 00:00:00 -0000
 +++ gnu/lib/libfrtbegin/Makefile	8 Jun 2002 19:46:34 -0000
 @@ -0,0 +1,9 @@
 +# $FreeBSD$
 +
 +SRCDIR=	${.CURDIR}/../../../contrib/libf2c
 +.PATH: ${SRCDIR}/libF77
 +
 +LIB=	frtbegin
 +SRCS=	main.c
 +
 +.include <bsd.lib.mk>
 Index: gnu/lib/libg2c/Makefile
 ===================================================================
 RCS file: /home/ncvs/src/gnu/lib/libg2c/Makefile,v
 retrieving revision 1.9
 diff -u -r1.9 Makefile
 --- gnu/lib/libg2c/Makefile	12 May 2002 16:00:46 -0000	1.9
 +++ gnu/lib/libg2c/Makefile	8 Jun 2002 19:44:01 -0000
 @@ -10,7 +11,7 @@
  
  # Traditional FORTRAN Library members defined in libF77
  
 -F77MISC=	F77_aloc.c main.c s_rnge.c abort_.c getarg_.c \
 +F77MISC=	F77_aloc.c s_rnge.c abort_.c getarg_.c \
  		iargc_.c getenv_.c signal_.c s_stop.c s_paus.c system_.c \
  		cabs.c derf_.c derfc_.c erf_.c erfc_.c sig_die.c exit_.c \
  		setarg.c setsig.c
 Index: gnu/usr.bin/cc/cc_tools/freebsd-native.h
 ===================================================================
 RCS file: /home/ncvs/src/gnu/usr.bin/cc/cc_tools/freebsd-native.h,v
 retrieving revision 1.19
 diff -u -r1.19 freebsd-native.h
 --- gnu/usr.bin/cc/cc_tools/freebsd-native.h	6 Jun 2002 03:47:02 -0000	1.19
 +++ gnu/usr.bin/cc/cc_tools/freebsd-native.h	8 Jun 2002 19:44:01 -0000
 @@ -49,6 +49,10 @@
  /* For the native system compiler, we actually build libgcc in a profiled
     version.  So we should use it with -pg.  */
  #define LIBGCC_SPEC "%{!pg: -lgcc} %{pg: -lgcc_p}"
 +#define LIBSTDCXX_PROFILE	"-lstdc++_p"
 +#define MATH_LIBRARY_PROFILE	"-lm_p"
 +#define FORTRAN_INIT_PROFILE	"-lfrtbegin_p"
 +#define FORTRAN_LIBRARY_PROFILE	"-lg2c_p"
  
  /* FreeBSD is 4.4BSD derived */
  #define bsd4_4
 Index: gnu/usr.bin/cc/f77/Makefile
 ===================================================================
 RCS file: /home/ncvs/src/gnu/usr.bin/cc/f77/Makefile,v
 retrieving revision 1.18
 diff -u -r1.18 Makefile
 --- gnu/usr.bin/cc/f77/Makefile	8 Jun 2002 18:48:40 -0000	1.18
 +++ gnu/usr.bin/cc/f77/Makefile	8 Jun 2002 19:44:01 -0000
 @@ -10,7 +10,6 @@
  
  CFLAGS+= -DDEFAULT_TARGET_VERSION=\"$(version)\"
  CFLAGS+= -DDEFAULT_TARGET_MACHINE=\"$(target)\"
 -CFLAGS+= -DFORTRAN_INIT=\"-lg2c\"
  
  DPADD=	${LIBCC_INT}
  LDADD=	${LIBCC_INT}
 

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