+++ /dev/null
-If your compiler does not recognize ANSI C headers,
-compile with KR_headers defined: either add -DKR_headers
-to the definition of CFLAGS in the makefile, or insert
-
-#define KR_headers
-
-at the top of f2c.h , cabs.c , main.c , and sig_die.c .
-
-Under MS-DOS, compile s_paus.c with -DMSDOS.
-
-If you have a really ancient K&R C compiler that does not understand
-void, add -Dvoid=int to the definition of CFLAGS in the makefile.
-
-If you use a C++ compiler, first create a local f2c.h by appending
-f2ch.add to the usual f2c.h, e.g., by issuing the command
- make f2c.h
-which assumes f2c.h is installed in /usr/include .
-
-If your system lacks onexit() and you are not using an ANSI C
-compiler, then you should compile main.c, s_paus.c, s_stop.c, and
-sig_die.c with NO_ONEXIT defined. See the comments about onexit in
-the makefile.
-
-If your system has a double drem() function such that drem(a,b)
-is the IEEE remainder function (with double a, b), then you may
-wish to compile r_mod.c and d_mod.c with IEEE_drem defined.
-On some systems, you may also need to compile with -Ddrem=remainder .
-
-To check for transmission errors, issue the command
- make check
-This assumes you have the xsum program whose source, xsum.c,
-is distributed as part of "all from f2c/src". If you do not
-have xsum, you can obtain xsum.c by sending the following E-mail
-message to netlib@netlib.bell-labs.com
- send xsum.c from f2c/src
-
-The makefile assumes you have installed f2c.h in a standard
-place (and does not cause recompilation when f2c.h is changed);
-f2c.h comes with "all from f2c" (the source for f2c) and is
-available separately ("f2c.h from f2c").
-
-Most of the routines in libF77 are support routines for Fortran
-intrinsic functions or for operations that f2c chooses not
-to do "in line". There are a few exceptions, summarized below --
-functions and subroutines that appear to your program as ordinary
-external Fortran routines.
-
-1. CALL ABORT prints a message and causes a core dump.
-
-2. ERF(r) and DERF(d) and the REAL and DOUBLE PRECISION
- error functions (with x REAL and d DOUBLE PRECISION);
- DERF must be declared DOUBLE PRECISION in your program.
- Both ERF and DERF assume your C library provides the
- underlying erf() function (which not all systems do).
-
-3. ERFC(r) and DERFC(d) are the complementary error functions:
- ERFC(r) = 1 - ERF(r) and DERFC(d) = 1.d0 - DERFC(d)
- (except that their results may be more accurate than
- explicitly evaluating the above formulae would give).
- Again, ERFC and r are REAL, and DERFC and d are DOUBLE
- PRECISION (and must be declared as such in your program),
- and ERFC and DERFC rely on your system's erfc().
-
-4. CALL GETARG(n,s), where n is an INTEGER and s is a CHARACTER
- variable, sets s to the n-th command-line argument (or to
- all blanks if there are fewer than n command-line arguments);
- CALL GETARG(0,s) sets s to the name of the program (on systems
- that support this feature). See IARGC below.
-
-5. CALL GETENV(name, value), where name and value are of type
- CHARACTER, sets value to the environment value, $name, of
- name (or to blanks if $name has not been set).
-
-6. NARGS = IARGC() sets NARGS to the number of command-line
- arguments (an INTEGER value).
-
-7. CALL SIGNAL(n,func), where n is an INTEGER and func is an
- EXTERNAL procedure, arranges for func to be invoked when
- signal n occurs (on systems where this makes sense).
-
-8. CALL SYSTEM(cmd), where cmd is of type CHARACTER, passes
- cmd to the system's command processor (on systems where
- this can be done).
-
-The makefile does not attempt to compile pow_qq.c, qbitbits.c,
-and qbitshft.c, which are meant for use with INTEGER*8. To use
-INTEGER*8, you must modify f2c.h to declare longint and ulongint
-appropriately; then add pow_qq.o to the POW = line in the makefile,
-and add " qbitbits.o qbitshft.o" to the makefile's F90BIT = line.
-
-Following Fortran 90, s_cat.c and s_copy.c allow the target of a
-(character string) assignment to be appear on its right-hand, at
-the cost of some extra overhead for all run-time concatenations.
-If you prefer the extra efficiency that comes with the Fortran 77
-requirement that the left-hand side of a character assignment not
-be involved in the right-hand side, compile s_cat.c and s_copy.c
-with -DNO_OVERWRITE .
-
-If your system lacks a ranlib command, you don't need it.
-Either comment out the makefile's ranlib invocation, or install
-a harmless "ranlib" command somewhere in your PATH, such as the
-one-line shell script
-
- exit 0
-
-or (on some systems)
-
- exec /usr/bin/ar lts $1 >/dev/null
-
-If your compiler complains about the signal calls in main.c, s_paus.c,
-and signal_.c, you may need to adjust signal1.h suitably. See the
-comments in signal1.h.
projects / msp430-gcc.git / blobdiff