# $Id: Head.U 6 2006-08-25 22:21:46Z rmanfredi $
#
-# Generated on Mon Mar 29 10:12:43 CEST 2010 [metaconfig 3.5 PL0]
+# Generated on Thu Aug 12 11:38:08 CEST 2010 [metaconfig 3.5 PL0]
# (with additional metaconfig patches by perlbug@perl.org)
cat >c1$$ <<EOF
d_statblks=''
d_statfs_f_flags=''
d_statfs_s=''
+d_static_inline=''
+perl_static_inline=''
d_fstatvfs=''
d_statvfs=''
d_stdio_cnt_lval=''
perl_patchlevel=0
$echo "(You do not have patchlevel.h. Eek.)"
fi
-if $test -r $rsrc/.patch ; then
- if $test "X$perl_patchlevel" = "X" || $test "`cat $rsrc/.patch`" -gt "$perl_patchlevel" ; then
- perl_patchlevel=`cat $rsrc/.patch`
- fi
-fi
: Define a handy string here to avoid duplication in myconfig.SH and configpm.
version_patchlevel_string="version $patchlevel subversion $subversion"
case "$perl_patchlevel" in
$grep fprintf libc.tmp > libc.ptf
xscan='eval "<libc.ptf $com >libc.list"; $echo $n ".$c" >&4'
xrun='eval "<libc.tmp $com >libc.list"; echo "done." >&4'
-xxx='[ADTSIW]'
+xxx='[ADTSIWi]'
if com="$sed -n -e 's/__IO//' -e 's/^.* $xxx *//p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
*) echo "No, it doesn't." ;;
esac
+: see what flavor, if any, of static inline is supported
+echo " "
+echo "Checking to see if your system supports static inline..."
+$cat > try.c <<'EOCP'
+#include <stdlib.h>
+extern int f_via_a(int x);
+extern int f_via_b(int x);
+int main(int argc, char **argv)
+{
+ int y;
+
+ y = f_via_a(0);
+#ifdef USE_B
+ y = f_via_b(0);
+#endif
+ if (y == 42) {
+ return EXIT_SUCCESS;
+ }
+ else {
+ return EXIT_FAILURE;
+ }
+}
+EOCP
+$cat > a.c <<'EOCP'
+static INLINE int f(int x) {
+ int y;
+ y = x + 42;
+ return y;
+}
+
+int f_via_a(int x)
+{
+ return f(x);
+}
+EOCP
+$cat > b.c <<'EOCP'
+extern int f(int x);
+
+int f_via_b(int x)
+{
+ return f(x);
+}
+EOCP
+
+# Respect a hint (or previous) value for perl_static_inline, if there is one.
+case "$perl_static_inline" in
+'') # Check the various possibilities, and break out on success.
+ # For gcc, prefer __inline__, which will still permit
+ # cflags.SH to add in -ansi.
+ case "$gccversion" in
+ '') xxx="inline __inline__ __inline _inline";;
+ *) xxx="__inline__ inline __inline _inline";;
+ esac
+ for inline in $xxx; do
+ set try -DINLINE=$inline a.c
+ if eval $compile && $run ./try; then
+ # Now make sure there is no external linkage of static
+ # functions
+ set try -DINLINE=$inline -DUSE_B a.c b.c
+ if eval $compile && $run ./try; then
+ $echo "Your compiler supports static $inline, " >&4
+ $echo "but it also creates an external definition," >&4
+ $echo "so I won't use it." >&4
+ val=$undef
+ else
+ $echo "Your compiler supports static $inline." >&4
+ val=$define
+ perl_static_inline="static $inline";
+ break;
+ fi
+ else
+ $echo "Your compiler does NOT support static $inline." >&4
+ val="$undef"
+ fi
+ done
+ ;;
+*inline*) # Some variant of inline exists.
+ echo "Keeping your $hint value of $perl_static_inline."
+ val=$define
+ ;;
+static) # No inline capabilities
+ echo "Keeping your $hint value of $perl_static_inline."
+ val=$undef
+ ;;
+*) # Unrecognized previous value -- blindly trust the supplied
+ # value and hope it makes sense. Use old value for
+ # d_static_inline, if there is one.
+ echo "Keeping your $hint value of $perl_static_inline."
+ case "$d_static_inline" in
+ '') val=$define ;;
+ *) val=$d_static_inline ;;
+ esac
+ ;;
+esac
+# Fallback to plain 'static' if nothing worked.
+case "$perl_static_inline" in
+'')
+ perl_static_inline="static"
+ val=$undef
+ ;;
+esac
+set d_static_inline
+eval $setvar
+$rm -f a.[co] b.[co]
+$rm_try
+
: Check stream access
$cat >&4 <<EOM
Checking how to access stdio streams by file descriptor number...
#endif
int main() {
#if BYTEORDER == 0x1234 || BYTEORDER == 0x4321
- U8 buf[8];
- U32 *up;
+ volatile U8 buf[8];
+ volatile U32 *up;
int i;
if (sizeof(U32) != 4) {
: set the base revision
baserev=5.0
-: check for length of character
-echo " "
-case "$charsize" in
-'')
- echo "Checking to see how big your characters are (hey, you never know)..." >&4
- $cat >try.c <<EOCP
-#include <stdio.h>
-#$i_stdlib I_STDLIB
-#ifdef I_STDLIB
-#include <stdlib.h>
-#endif
-int main()
-{
- printf("%d\n", (int)sizeof(char));
- exit(0);
-}
-EOCP
- set try
- if eval $compile_ok; then
- dflt=`$run ./try`
- else
- dflt='1'
- echo "(I can't seem to compile the test program. Guessing...)"
- fi
- ;;
-*)
- dflt="$charsize"
- ;;
-esac
-rp="What is the size of a character (in bytes)?"
-. ./myread
-charsize="$ans"
-$rm_try
+: length of character in bytes. Is always 1, otherwise it isnt C
+: This used to be a test using sizeof
+charsize=1
: Check for the number of bits in a character
case "$charbits" in
$define) avail_ext="$avail_ext $xxx" ;;
esac
;;
- XS/APItest/KeywordRPN|xs/apitest/keywordrpn)
- # This is just for testing. Skip it unless we have dynamic loading.
-
- case "$usedl" in
- $define) avail_ext="$avail_ext $xxx" ;;
- esac
- ;;
XS/Typemap|xs/typemap)
# This is just for testing. Skip it unless we have dynamic loading.
case "$usedl" in
d_statblks='$d_statblks'
d_statfs_f_flags='$d_statfs_f_flags'
d_statfs_s='$d_statfs_s'
+d_static_inline='$d_static_inline'
d_statvfs='$d_statvfs'
d_stdio_cnt_lval='$d_stdio_cnt_lval'
d_stdio_ptr_lval='$d_stdio_ptr_lval'
perl5='$perl5'
perl='$perl'
perl_patchlevel='$perl_patchlevel'
+perl_static_inline='$perl_static_inline'
perladmin='$perladmin'
perllibs='$perllibs'
perlpath='$perlpath'