# $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
#
-# Generated on Thu May 9 02:52:48 EET DST 2002 [metaconfig 3.0 PL70]
+# Generated on Thu May 9 17:42:14 EET DST 2002 [metaconfig 3.0 PL70]
# (with additional metaconfig patches by perlbug@perl.org)
cat >c1$$ <<EOF
esac
$rm -f try try.*
-: check for void type
-echo " "
-echo "Checking to see how well your C compiler groks the void type..." >&4
-case "$voidflags" in
-'')
- $cat >try.c <<'EOCP'
-#if TRY & 1
-void sub() {
-#else
-sub() {
-#endif
- extern void moo(); /* function returning void */
- void (*goo)(); /* ptr to func returning void */
-#if TRY & 8
- void *hue; /* generic ptr */
-#endif
-#if TRY & 2
- void (*foo[10])();
-#endif
-
-#if TRY & 4
- if(goo == moo) {
- exit(0);
- }
-#endif
- exit(0);
-}
-int main() { sub(); }
-EOCP
- if $cc $ccflags -c -DTRY=$defvoidused try.c >.out 2>&1 ; then
- voidflags=$defvoidused
- echo "Good. It appears to support void to the level $package wants.">&4
- if $contains warning .out >/dev/null 2>&1; then
- echo "However, you might get some warnings that look like this:"
- $cat .out
- fi
- else
-echo "Hmm, your compiler has some difficulty with void. Checking further..." >&4
- if $cc $ccflags -c -DTRY=1 try.c >/dev/null 2>&1; then
- echo "It supports 1..."
- if $cc $ccflags -c -DTRY=3 try.c >/dev/null 2>&1; then
- echo "It also supports 2..."
- if $cc $ccflags -c -DTRY=7 try.c >/dev/null 2>&1; then
- voidflags=7
- echo "And it supports 4 but not 8 definitely."
- else
- echo "It doesn't support 4..."
- if $cc $ccflags -c -DTRY=11 try.c >/dev/null 2>&1; then
- voidflags=11
- echo "But it supports 8."
- else
- voidflags=3
- echo "Neither does it support 8."
- fi
- fi
- else
- echo "It does not support 2..."
- if $cc $ccflags -c -DTRY=13 try.c >/dev/null 2>&1; then
- voidflags=13
- echo "But it supports 4 and 8."
- else
- if $cc $ccflags -c -DTRY=5 try.c >/dev/null 2>&1; then
- voidflags=5
- echo "And it supports 4 but has not heard about 8."
- else
- echo "However it supports 8 but not 4."
- fi
- fi
- fi
- else
- echo "There is no support at all for void."
- voidflags=0
- fi
- fi
-esac
-case "$voidflags" in
-"$defvoidused") ;;
-*) $cat >&4 <<'EOM'
- Support flag bits are:
- 1: basic void declarations.
- 2: arrays of pointers to functions returning void.
- 4: operations between pointers to and addresses of void functions.
- 8: generic void pointers.
-EOM
- dflt="$voidflags";
- rp="Your void support flags add up to what?"
- . ./myread
- voidflags="$ans"
- ;;
-esac
-$rm -f try.* .out
-
-: check for length of pointer
-echo " "
-case "$ptrsize" in
-'')
- echo "Checking to see how big your pointers are..." >&4
- if test "$voidflags" -gt 7; then
- echo '#define VOID_PTR char *' > try.c
- else
- echo '#define VOID_PTR void *' > try.c
- fi
- $cat >>try.c <<'EOCP'
-#include <stdio.h>
-int main()
-{
- printf("%d\n", (int)sizeof(VOID_PTR));
- exit(0);
-}
-EOCP
- set try
- if eval $compile_ok; then
- ptrsize=`$run ./try`
- echo "Your pointers are $ptrsize bytes long."
- else
- dflt='4'
- echo "(I can't seem to compile the test program. Guessing...)" >&4
- rp="What is the size of a pointer (in bytes)?"
- . ./myread
- ptrsize="$ans"
- fi
- ;;
-esac
-$rm -f try.c try
-
: check for long long
echo " "
echo "Checking to see if you have long long..." >&4
;;
esac
-case "$use64bitall" in
-"$define"|true|[yY]*)
- case "$ptrsize" in
- 4) cat <<EOM >&4
-
-*** You have chosen a maximally 64-bit build, but your pointers
-*** are only 4 bytes wide, disabling maximal 64-bitness.
-
-EOM
- use64bitall="$undef"
- case "$use64bitint" in
- "$define"|true|[yY]*) ;;
- *) cat <<EOM >&4
-
-*** Downgrading from maximal 64-bitness to using 64-bit integers.
-
-EOM
- use64bitint="$define"
- ;;
- esac
- ;;
- esac
- ;;
-esac
-
case "$use64bitint" in
"$define"|true|[yY]*)
: Look for a hint-file generated 'call-back-unit'. If the
set stdlib.h i_stdlib
eval $inhdr
+: check for void type
+echo " "
+echo "Checking to see how well your C compiler groks the void type..." >&4
+case "$voidflags" in
+'')
+ $cat >try.c <<'EOCP'
+#if TRY & 1
+void sub() {
+#else
+sub() {
+#endif
+ extern void moo(); /* function returning void */
+ void (*goo)(); /* ptr to func returning void */
+#if TRY & 8
+ void *hue; /* generic ptr */
+#endif
+#if TRY & 2
+ void (*foo[10])();
+#endif
+
+#if TRY & 4
+ if(goo == moo) {
+ exit(0);
+ }
+#endif
+ exit(0);
+}
+int main() { sub(); }
+EOCP
+ if $cc $ccflags -c -DTRY=$defvoidused try.c >.out 2>&1 ; then
+ voidflags=$defvoidused
+ echo "Good. It appears to support void to the level $package wants.">&4
+ if $contains warning .out >/dev/null 2>&1; then
+ echo "However, you might get some warnings that look like this:"
+ $cat .out
+ fi
+ else
+echo "Hmm, your compiler has some difficulty with void. Checking further..." >&4
+ if $cc $ccflags -c -DTRY=1 try.c >/dev/null 2>&1; then
+ echo "It supports 1..."
+ if $cc $ccflags -c -DTRY=3 try.c >/dev/null 2>&1; then
+ echo "It also supports 2..."
+ if $cc $ccflags -c -DTRY=7 try.c >/dev/null 2>&1; then
+ voidflags=7
+ echo "And it supports 4 but not 8 definitely."
+ else
+ echo "It doesn't support 4..."
+ if $cc $ccflags -c -DTRY=11 try.c >/dev/null 2>&1; then
+ voidflags=11
+ echo "But it supports 8."
+ else
+ voidflags=3
+ echo "Neither does it support 8."
+ fi
+ fi
+ else
+ echo "It does not support 2..."
+ if $cc $ccflags -c -DTRY=13 try.c >/dev/null 2>&1; then
+ voidflags=13
+ echo "But it supports 4 and 8."
+ else
+ if $cc $ccflags -c -DTRY=5 try.c >/dev/null 2>&1; then
+ voidflags=5
+ echo "And it supports 4 but has not heard about 8."
+ else
+ echo "However it supports 8 but not 4."
+ fi
+ fi
+ fi
+ else
+ echo "There is no support at all for void."
+ voidflags=0
+ fi
+ fi
+esac
+case "$voidflags" in
+"$defvoidused") ;;
+*) $cat >&4 <<'EOM'
+ Support flag bits are:
+ 1: basic void declarations.
+ 2: arrays of pointers to functions returning void.
+ 4: operations between pointers to and addresses of void functions.
+ 8: generic void pointers.
+EOM
+ dflt="$voidflags";
+ rp="Your void support flags add up to what?"
+ . ./myread
+ voidflags="$ans"
+ ;;
+esac
+$rm -f try.* .out
+
+: check for length of pointer
+echo " "
+case "$ptrsize" in
+'')
+ echo "Checking to see how big your pointers are..." >&4
+ if test "$voidflags" -gt 7; then
+ echo '#define VOID_PTR char *' > try.c
+ else
+ echo '#define VOID_PTR void *' > try.c
+ fi
+ $cat >>try.c <<'EOCP'
+#include <stdio.h>
+int main()
+{
+ printf("%d\n", (int)sizeof(VOID_PTR));
+ exit(0);
+}
+EOCP
+ set try
+ if eval $compile_ok; then
+ ptrsize=`$run ./try`
+ echo "Your pointers are $ptrsize bytes long."
+ else
+ dflt='4'
+ echo "(I can't seem to compile the test program. Guessing...)" >&4
+ rp="What is the size of a pointer (in bytes)?"
+ . ./myread
+ ptrsize="$ans"
+ fi
+ ;;
+esac
+$rm -f try.c try
+case "$use64bitall" in
+"$define"|true|[yY]*)
+ case "$ptrsize" in
+ 4) cat <<EOM >&4
+
+*** You have chosen a maximally 64-bit build, but your pointers
+*** are only 4 bytes wide, disabling maximal 64-bitness.
+
+EOM
+ use64bitall="$undef"
+ case "$use64bitint" in
+ "$define"|true|[yY]*) ;;
+ *) cat <<EOM >&4
+
+*** Downgrading from maximal 64-bitness to using 64-bit integers.
+
+EOM
+ use64bitint="$define"
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+esac
+
+
: determine which malloc to compile in
echo " "
case "$usemymalloc" in
projects / p5sagit/p5-mst-13.2.git / commitdiff