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[metaconfig.git] / U / compline / d_castneg.U

diff --git a/U/compline/d_castneg.U b/U/compline/d_castneg.U
index 21ec27a..ecd8688 100644 (file)
--- a/U/compline/d_castneg.U
+++ b/U/compline/d_castneg.U
@@ -1,11 +1,11 @@
 ?RCS: $Id: d_castneg.U,v 3.0.1.2 1995/05/12 12:11:21 ram Exp $
 ?RCS:
 ?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
+?RCS:
+?RCS: You may redistribute only under the terms of the Artistic License,
 ?RCS: as specified in the README file that comes with the distribution.
 ?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
+?RCS: that same Artistic License; a copy of which may be found at the root
 ?RCS: of the source tree for dist 3.0.
 ?RCS:
 ?RCS: $Log: d_castneg.U,v $
@@ -23,11 +23,11 @@
 ?X:
 ?X:    Can the compiler cast negative / odd floats to unsigned values.
 ?X:
-?MAKE:d_castneg castflags: cat Compile rm Setvar signal_t
+?MAKE:d_castneg castflags: cat Compile rm_try Setvar signal_t run i_stdlib
 ?MAKE: -pick add $@ %<
 ?S:d_castneg:
 ?S:    This variable conditionally defines CASTNEG, which indicates
-?S:    wether the C compiler can cast negative float to unsigned.
+?S:    whether the C compiler can cast negative float to unsigned.
 ?S:.
 ?S:castflags:
 ?S:    This variable contains a flag that precise difficulties the
@@ -52,19 +52,24 @@
 ?H:#$d_castneg CASTNEGFLOAT            /**/
 ?H:#define CASTFLAGS $castflags                /**/
 ?H:.
+?F:!try
 ?LINT:set d_castneg
 : check for ability to cast negative floats to unsigned
 echo " "
 echo 'Checking whether your C compiler can cast negative float to unsigned.' >&4
 $cat >try.c <<EOCP
 #include <stdio.h>
+#$i_stdlib I_STDLIB
+#ifdef I_STDLIB
+#include <stdlib.h>
+#endif
 #include <sys/types.h>
 #include <signal.h>
-$signal_t blech(s) int s; { exit(7); }
-$signal_t blech_in_list(s) int s; { exit(4); }
-unsigned long dummy_long(p) unsigned long p; { return p; }
-unsigned int dummy_int(p) unsigned int p; { return p; }
-unsigned short dummy_short(p) unsigned short p; { return p; }
+$signal_t blech(int s) { exit(7); }
+$signal_t blech_in_list(int s) { exit(4); }
+unsigned long dummy_long(unsigned long p) { return p; }
+unsigned int dummy_int(unsigned int p) { return p; }
+unsigned short dummy_short(unsigned short p) { return p; }
 int main()
 {
        double f;
@@ -73,13 +78,13 @@ int main()
        unsigned short ashort;
        int result = 0;
        char str[16];
-       
+
        /* Frustrate gcc-2.7.2's optimizer which failed this test with
           a direct f = -123. assignment.  gcc-2.8.0 reportedly
           optimized the whole file away
        */
-       /* Store the number in a writable string for gcc to pass to 
-          sscanf under HP/UX.
+       /* Store the number in a writable string for gcc to pass to
+          sscanf under HP-UX.
        */
        sprintf(str, "-123");
        sscanf(str, "%lf", &f);  /* f = -123.; */
@@ -137,7 +142,7 @@ int main()
 EOCP
 set try
 if eval $compile_ok; then
-       ./try
+       $run ./try
        castflags=$?
 else
        echo "(I can't seem to compile the test program--assuming it can't)"
@@ -153,5 +158,5 @@ case "$castflags" in
 esac
 set d_castneg
 eval $setvar
-$rm -f try.*
+$rm_try