# $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
#
-# Generated on Sun Jan 16 18:22:25 EET 2000 [metaconfig 3.0 PL70]
+# Generated on Wed Jan 19 19:38:29 EET 2000 [metaconfig 3.0 PL70]
# (with additional metaconfig patches by perlbug@perl.com)
cat >/tmp/c1$$ <<EOF
d_strtod=''
d_strtol=''
d_strtold=''
+d_strtoll=''
d_strtoul=''
d_strtoull=''
d_strtouq=''
version=''
perladmin=''
perlpath=''
+d_nvpresuv=''
i16size=''
i16type=''
i32size=''
gccversion=`./gccvers`
case "$gccversion" in
'') echo "You are not using GNU cc." ;;
- *) echo "You are using GNU cc $gccversion." ;;
+ *) echo "You are using GNU cc $gccversion."
+ ;;
esac
else
echo " "
1*) cpp=`./loc gcc-cpp $cpp $pth` ;;
esac
-: see how we invoke the C preprocessor
-echo " "
-echo "Now, how can we feed standard input to your C preprocessor..." >&4
-cat <<'EOT' >testcpp.c
-#define ABC abc
-#define XYZ xyz
-ABC.XYZ
-EOT
-cd ..
-if test ! -f cppstdin; then
- if test "X$osname" = "Xaix" -a "X$gccversion" = X; then
- # AIX cc -E doesn't show the absolute headerfile
- # locations but we'll cheat by using the -M flag.
- echo 'cat >.$$.c; rm -f .$$.u; '"$cc"' ${1+"$@"} -M -c .$$.c 2>/dev/null; test -s .$$.u && awk '"'"'$2 ~ /\.h$/ { print "# 0 \""$2"\"" }'"'"' .$$.u; rm -f .$$.o .$$.u; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' > cppstdin
- else
- echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
- fi
-else
- echo "Keeping your $hint cppstdin wrapper."
-fi
-chmod 755 cppstdin
-wrapper=`pwd`/cppstdin
-ok='false'
-cd UU
-
-if $test "X$cppstdin" != "X" && \
- $cppstdin $cppminus <testcpp.c >testcpp.out 2>&1 && \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
-then
- echo "You used to use $cppstdin $cppminus so we'll use that again."
- case "$cpprun" in
- '') echo "But let's see if we can live without a wrapper..." ;;
- *)
- if $cpprun $cpplast <testcpp.c >testcpp.out 2>&1 && \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
- then
- echo "(And we'll use $cpprun $cpplast to preprocess directly.)"
- ok='true'
- else
- echo "(However, $cpprun $cpplast does not work, let's see...)"
- fi
- ;;
- esac
-else
- case "$cppstdin" in
- '') ;;
- *)
- echo "Good old $cppstdin $cppminus does not seem to be of any help..."
- ;;
- esac
-fi
-
-if $ok; then
- : nothing
-elif echo 'Maybe "'"$cc"' -E" will work...'; \
- $cc -E <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "Yup, it does."
- x_cpp="$cc -E"
- x_minus='';
-elif echo 'Nope...maybe "'"$cc"' -E -" will work...'; \
- $cc -E - <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "Yup, it does."
- x_cpp="$cc -E"
- x_minus='-';
-elif echo 'Nope...maybe "'"$cc"' -P" will work...'; \
- $cc -P <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "Yipee, that works!"
- x_cpp="$cc -P"
- x_minus='';
-elif echo 'Nope...maybe "'"$cc"' -P -" will work...'; \
- $cc -P - <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "At long last!"
- x_cpp="$cc -P"
- x_minus='-';
-elif echo 'No such luck, maybe "'$cpp'" will work...'; \
- $cpp <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "It works!"
- x_cpp="$cpp"
- x_minus='';
-elif echo 'Nixed again...maybe "'$cpp' -" will work...'; \
- $cpp - <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "Hooray, it works! I was beginning to wonder."
- x_cpp="$cpp"
- x_minus='-';
-elif echo 'Uh-uh. Time to get fancy. Trying a wrapper...'; \
- $wrapper <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- x_cpp="$wrapper"
- x_minus=''
- echo "Eureka!"
-else
- dflt=''
- rp="No dice. I can't find a C preprocessor. Name one:"
- . ./myread
- x_cpp="$ans"
- x_minus=''
- $x_cpp <testcpp.c >testcpp.out 2>&1
- if $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "OK, that will do." >&4
- else
-echo "Sorry, I can't get that to work. Go find one and rerun Configure." >&4
- exit 1
- fi
-fi
-
-case "$ok" in
-false)
- cppstdin="$x_cpp"
- cppminus="$x_minus"
- cpprun="$x_cpp"
- cpplast="$x_minus"
- set X $x_cpp
- shift
- case "$1" in
- "$cpp")
- echo "Perhaps can we force $cc -E using a wrapper..."
- if $wrapper <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
- then
- echo "Yup, we can."
- cppstdin="$wrapper"
- cppminus='';
- else
- echo "Nope, we'll have to live without it..."
- fi
- ;;
- esac
- case "$cpprun" in
- "$wrapper")
- cpprun=''
- cpplast=''
- ;;
- esac
- ;;
-esac
-
-case "$cppstdin" in
-"$wrapper"|'cppstdin') ;;
-*) $rm -f $wrapper;;
-esac
-$rm -f testcpp.c testcpp.out
-
: decide how portable to be. Allow command line overrides.
case "$d_portable" in
"$undef") ;;
;;
esac
-: Set private lib path
-case "$plibpth" in
-'') if ./mips; then
- plibpth="$incpath/usr/lib /usr/local/lib /usr/ccs/lib"
- fi;;
-esac
-case "$libpth" in
-' ') dlist='';;
-'') dlist="$loclibpth $plibpth $glibpth";;
-*) dlist="$libpth";;
-esac
-
-: Now check and see which directories actually exist, avoiding duplicates
-libpth=''
-for xxx in $dlist
-do
- if $test -d $xxx; then
- case " $libpth " in
- *" $xxx "*) ;;
- *) libpth="$libpth $xxx";;
- esac
- fi
-done
-$cat <<'EOM'
-
-Some systems have incompatible or broken versions of libraries. Among
-the directories listed in the question below, please remove any you
-know not to be holding relevant libraries, and add any that are needed.
-Say "none" for none.
-
-EOM
-case "$libpth" in
-'') dflt='none';;
-*)
- set X $libpth
- shift
- dflt=${1+"$@"}
- ;;
-esac
-rp="Directories to use for library searches?"
-. ./myread
-case "$ans" in
-none) libpth=' ';;
-*) libpth="$ans";;
-esac
-
-: compute shared library extension
-case "$so" in
-'')
- if xxx=`./loc libc.sl X $libpth`; $test -f "$xxx"; then
- dflt='sl'
+: see how we invoke the C preprocessor
+echo " "
+echo "Now, how can we feed standard input to your C preprocessor..." >&4
+cat <<'EOT' >testcpp.c
+#define ABC abc
+#define XYZ xyz
+ABC.XYZ
+EOT
+cd ..
+if test ! -f cppstdin; then
+ if test "X$osname" = "Xaix" -a "X$gccversion" = X; then
+ # AIX cc -E doesn't show the absolute headerfile
+ # locations but we'll cheat by using the -M flag.
+ echo 'cat >.$$.c; rm -f .$$.u; '"$cc"' ${1+"$@"} -M -c .$$.c 2>/dev/null; test -s .$$.u && awk '"'"'$2 ~ /\.h$/ { print "# 0 \""$2"\"" }'"'"' .$$.u; rm -f .$$.o .$$.u; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' > cppstdin
else
- dflt='so'
+ echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
fi
- ;;
-*) dflt="$so";;
-esac
-$cat <<EOM
+else
+ echo "Keeping your $hint cppstdin wrapper."
+fi
+chmod 755 cppstdin
+wrapper=`pwd`/cppstdin
+ok='false'
+cd UU
-On some systems, shared libraries may be available. Answer 'none' if
-you want to suppress searching of shared libraries for the remaining
-of this configuration.
+if $test "X$cppstdin" != "X" && \
+ $cppstdin $cppminus <testcpp.c >testcpp.out 2>&1 && \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
+then
+ echo "You used to use $cppstdin $cppminus so we'll use that again."
+ case "$cpprun" in
+ '') echo "But let's see if we can live without a wrapper..." ;;
+ *)
+ if $cpprun $cpplast <testcpp.c >testcpp.out 2>&1 && \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
+ then
+ echo "(And we'll use $cpprun $cpplast to preprocess directly.)"
+ ok='true'
+ else
+ echo "(However, $cpprun $cpplast does not work, let's see...)"
+ fi
+ ;;
+ esac
+else
+ case "$cppstdin" in
+ '') ;;
+ *)
+ echo "Good old $cppstdin $cppminus does not seem to be of any help..."
+ ;;
+ esac
+fi
+
+if $ok; then
+ : nothing
+elif echo 'Maybe "'"$cc"' -E" will work...'; \
+ $cc -E <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "Yup, it does."
+ x_cpp="$cc -E"
+ x_minus='';
+elif echo 'Nope...maybe "'"$cc"' -E -" will work...'; \
+ $cc -E - <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "Yup, it does."
+ x_cpp="$cc -E"
+ x_minus='-';
+elif echo 'Nope...maybe "'"$cc"' -P" will work...'; \
+ $cc -P <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "Yipee, that works!"
+ x_cpp="$cc -P"
+ x_minus='';
+elif echo 'Nope...maybe "'"$cc"' -P -" will work...'; \
+ $cc -P - <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "At long last!"
+ x_cpp="$cc -P"
+ x_minus='-';
+elif echo 'No such luck, maybe "'$cpp'" will work...'; \
+ $cpp <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "It works!"
+ x_cpp="$cpp"
+ x_minus='';
+elif echo 'Nixed again...maybe "'$cpp' -" will work...'; \
+ $cpp - <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "Hooray, it works! I was beginning to wonder."
+ x_cpp="$cpp"
+ x_minus='-';
+elif echo 'Uh-uh. Time to get fancy. Trying a wrapper...'; \
+ $wrapper <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ x_cpp="$wrapper"
+ x_minus=''
+ echo "Eureka!"
+else
+ dflt=''
+ rp="No dice. I can't find a C preprocessor. Name one:"
+ . ./myread
+ x_cpp="$ans"
+ x_minus=''
+ $x_cpp <testcpp.c >testcpp.out 2>&1
+ if $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "OK, that will do." >&4
+ else
+echo "Sorry, I can't get that to work. Go find one and rerun Configure." >&4
+ exit 1
+ fi
+fi
+
+case "$ok" in
+false)
+ cppstdin="$x_cpp"
+ cppminus="$x_minus"
+ cpprun="$x_cpp"
+ cpplast="$x_minus"
+ set X $x_cpp
+ shift
+ case "$1" in
+ "$cpp")
+ echo "Perhaps can we force $cc -E using a wrapper..."
+ if $wrapper <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
+ then
+ echo "Yup, we can."
+ cppstdin="$wrapper"
+ cppminus='';
+ else
+ echo "Nope, we'll have to live without it..."
+ fi
+ ;;
+ esac
+ case "$cpprun" in
+ "$wrapper")
+ cpprun=''
+ cpplast=''
+ ;;
+ esac
+ ;;
+esac
+
+case "$cppstdin" in
+"$wrapper"|'cppstdin') ;;
+*) $rm -f $wrapper;;
+esac
+$rm -f testcpp.c testcpp.out
+
+: Set private lib path
+case "$plibpth" in
+'') if ./mips; then
+ plibpth="$incpath/usr/lib /usr/local/lib /usr/ccs/lib"
+ fi;;
+esac
+case "$libpth" in
+' ') dlist='';;
+'') dlist="$loclibpth $plibpth $glibpth";;
+*) dlist="$libpth";;
+esac
+
+: Now check and see which directories actually exist, avoiding duplicates
+libpth=''
+for xxx in $dlist
+do
+ if $test -d $xxx; then
+ case " $libpth " in
+ *" $xxx "*) ;;
+ *) libpth="$libpth $xxx";;
+ esac
+ fi
+done
+$cat <<'EOM'
+
+Some systems have incompatible or broken versions of libraries. Among
+the directories listed in the question below, please remove any you
+know not to be holding relevant libraries, and add any that are needed.
+Say "none" for none.
+
+EOM
+case "$libpth" in
+'') dflt='none';;
+*)
+ set X $libpth
+ shift
+ dflt=${1+"$@"}
+ ;;
+esac
+rp="Directories to use for library searches?"
+. ./myread
+case "$ans" in
+none) libpth=' ';;
+*) libpth="$ans";;
+esac
+
+: compute shared library extension
+case "$so" in
+'')
+ if xxx=`./loc libc.sl X $libpth`; $test -f "$xxx"; then
+ dflt='sl'
+ else
+ dflt='so'
+ fi
+ ;;
+*) dflt="$so";;
+esac
+$cat <<EOM
+
+On some systems, shared libraries may be available. Answer 'none' if
+you want to suppress searching of shared libraries for the remaining
+of this configuration.
EOM
rp='What is the file extension used for shared libraries?'
;@candidates = ();
}
+# XXX ToDo: These comparisons must be reworked when two-digit
+# subversions come along, so that 5.7.10 compares as greater than
+# 5.7.3! By that time, hope that 5.6.x is sufficiently
+# widespread that we can use the built-in version vectors rather
+# than reinventing them here. For 5.6.0, however, we must
+# assume this script will likely be run by 5.005_0x. --AD 1/2000.
foreach $d (@candidates) {
if ($d lt $version) {
if ($d ge $api_versionstring) {
set nice d_nice
eval $inlibc
-: see if POSIX threads are available
-set pthread.h i_pthread
-eval $inhdr
-
-
-
-
-: how to create joinable pthreads
-if test "X$usethreads" = "X$define" -a "X$i_pthread" = "X$define"; then
- echo " "
- echo "Checking what constant to use for creating joinable pthreads..." >&4
- $cat >try.c <<'EOCP'
-#include <pthread.h>
+: see if inttypes.h is available
+: we want a real compile instead of Inhdr because some systems
+: have an inttypes.h which includes non-existent headers
+echo " "
+$cat >try.c <<EOCP
+#include <inttypes.h>
int main() {
- int detachstate = JOINABLE;
+ static int32_t foo32 = 0x12345678;
}
EOCP
- set try -DJOINABLE=PTHREAD_CREATE_JOINABLE
- if eval $compile; then
- echo "You seem to use PTHREAD_CREATE_JOINABLE." >&4
- val="$undef" # Yes, undef.
- set d_old_pthread_create_joinable
- eval $setvar
- val=""
- set old_pthread_create_joinable
- eval $setvar
- else
- set try -DJOINABLE=PTHREAD_CREATE_UNDETACHED
- if eval $compile; then
- echo "You seem to use PTHREAD_CREATE_UNDETACHED." >&4
- val="$define"
- set d_old_pthread_create_joinable
- eval $setvar
- val=PTHREAD_CREATE_UNDETACHED
- set old_pthread_create_joinable
- eval $setvar
- else
- set try -DJOINABLE=__UNDETACHED
- if eval $compile; then
- echo "You seem to use __UNDETACHED." >&4
- val="$define"
- set d_old_pthread_create_joinable
- eval $setvar
- val=__UNDETACHED
- set old_pthread_create_joinable
- eval $setvar
- else
- echo "Egads, nothing obvious found. Guessing that you use 0." >&4
- val="$define"
- set d_old_pthread_create_joinable
- eval $setvar
- val=0
- set old_pthread_create_joinable
- eval $setvar
- fi
- fi
- fi
- $rm -f try try.*
+set try
+if eval $compile; then
+ echo "<inttypes.h> found." >&4
+ val="$define"
else
- d_old_pthread_create_joinable="$undef"
- old_pthread_create_joinable=""
+ echo "<inttypes.h> NOT found." >&4
+ val="$undef"
fi
+$rm -f try.c try
+set i_inttypes
+eval $setvar
-: see if pause exists
-set pause d_pause
-eval $inlibc
-
-: see if pipe exists
-set pipe d_pipe
-eval $inlibc
-
-: see if poll exists
-set poll d_poll
-eval $inlibc
-
-
-: see whether the various POSIXish _yields exist
-$cat >try.c <<EOP
-#include <pthread.h>
-#include <stdio.h>
-int main() {
-#ifdef SCHED_YIELD
- sched_yield();
-#else
-#ifdef PTHREAD_YIELD
- pthread_yield();
-#else
+: check for int64_t
+echo " "
+$echo $n "Checking to see if your system supports int64_t...$c" >&4
+$cat >try.c <<EOCP
+#include <sys/types.h>
+#$i_inttypes I_INTTYPES
+#ifdef I_INTTYPES
+#include <inttypes.h>
+#endif
+int main() { int64_t x = 7; }
+EOCP
+set try
+if eval $compile; then
+ val="$define"
+ echo " Yes, it does." >&4
+else
+ val="$undef"
+ echo " No, it doesn't." >&4
+fi
+$rm -f try try.*
+set d_int64t
+eval $setvar
+
+
+echo " "
+echo "Checking which 64-bit integer type we could use..." >&4
+
+case "$intsize" in
+8) val=int
+ set quadtype
+ eval $setvar
+ val='"unsigned int"'
+ set uquadtype
+ eval $setvar
+ quadkind=1
+ ;;
+*) case "$longsize" in
+ 8) val=long
+ set quadtype
+ eval $setvar
+ val='"unsigned long"'
+ set uquadtype
+ eval $setvar
+ quadkind=2
+ ;;
+ *) case "$uselonglong:$d_longlong:$longlongsize" in
+ define:define:8)
+ val='"long long"'
+ set quadtype
+ eval $setvar
+ val='"unsigned long long"'
+ set uquadtype
+ eval $setvar
+ quadkind=3
+ ;;
+ *) case "$d_int64t" in
+ define)
+ val=int64_t
+ set quadtype
+ eval $setvar
+ val=uint64_t
+ set uquadtype
+ eval $setvar
+ quadkind=4
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+esac
+
+case "$quadtype" in
+'') case "$uselonglong:$d_longlong:$longlongsize" in
+ undef:define:8)
+ echo "(You would have 'long long', but you are not using it.)" >&4 ;;
+ *) echo "Alas, no 64-bit integer types in sight." >&4 ;;
+ esac
+ d_quad="$undef"
+ ;;
+*) if test X"$use64bits" = Xdefine -o X"$longsize" = X8; then
+ verb="will"
+ else
+ verb="could"
+ fi
+ echo "We $verb use '$quadtype' for 64-bit integers." >&4
+ d_quad="$define"
+ ;;
+esac
+
+: 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>
+int main()
+{
+ printf("%d\n", (int)sizeof(char));
+ exit(0);
+}
+EOCP
+ set try
+ if eval $compile_ok; then
+ dflt=`./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 -f try.c try
+
+
+echo " "
+$echo "Choosing the C types to be used for Perl's internal types..." >&4
+
+case "$use64bits:$d_quad:$quadtype" in
+define:define:?*)
+ ivtype="$quadtype"
+ uvtype="$uquadtype"
+ ivsize=8
+ uvsize=8
+ ;;
+*) ivtype="long"
+ uvtype="unsigned long"
+ ivsize=$longsize
+ uvsize=$longsize
+ ;;
+esac
+
+case "$uselongdouble:$d_longdbl" in
+define:define)
+ nvtype="long double"
+ nvsize=$longdblsize
+ ;;
+*) nvtype=double
+ nvsize=$doublesize
+ ;;
+esac
+
+$echo "(IV will be "$ivtype", $ivsize bytes)"
+$echo "(UV will be "$uvtype", $uvsize bytes)"
+$echo "(NV will be "$nvtype", $nvsize bytes)"
+
+$cat >try.c <<EOCP
+#$i_inttypes I_INTTYPES
+#ifdef I_INTTYPES
+#include <inttypes.h>
+#endif
+#include <stdio.h>
+int main() {
+#ifdef INT8
+ int8_t i = INT8_MAX;
+ uint8_t u = UINT8_MAX;
+ printf("int8_t\n");
+#endif
+#ifdef INT16
+ int16_t i = INT16_MAX;
+ uint16_t i = UINT16_MAX;
+ printf("int16_t\n");
+#endif
+#ifdef INT32
+ int32_t i = INT32_MAX;
+ uint32_t u = UINT32_MAX;
+ printf("int32_t\n");
+#endif
+}
+EOCP
+
+case "$i8type" in
+'') case "$charsize" in
+ 1) i8type=char
+ u8type="unsigned char"
+ i8size=$charsize
+ u8size=$charsize
+ ;;
+ esac
+ ;;
+esac
+case "$i8type" in
+'') set try -DINT8
+ if eval $compile; then
+ case "`./try$exe_ext`" in
+ int8_t) i8type=int8_t
+ u8type=uint8_t
+ i8size=1
+ u8size=1
+ ;;
+ esac
+ fi
+ ;;
+esac
+case "$i8type" in
+'') if $test $charsize -ge 1; then
+ i8type=char
+ u8type="unsigned char"
+ i8size=$charsize
+ u8size=$charsize
+ fi
+ ;;
+esac
+
+case "$i16type" in
+'') case "$shortsize" in
+ 2) i16type=short
+ u16type="unsigned short"
+ i16size=$shortsize
+ u16size=$shortsize
+ ;;
+ esac
+ ;;
+esac
+case "$i16type" in
+'') set try -DINT16
+ if eval $compile; then
+ case "`./try$exe_ext`" in
+ int16_t)
+ i16type=int16_t
+ u16type=uint16_t
+ i16size=2
+ u16size=2
+ ;;
+ esac
+ fi
+ ;;
+esac
+case "$i16type" in
+'') if $test $shortsize -ge 2; then
+ i16type=short
+ u16type="unsigned short"
+ i16size=$shortsize
+ u16size=$shortsize
+ fi
+ ;;
+esac
+
+case "$i32type" in
+'') case "$longsize" in
+ 4) i32type=long
+ u32type="unsigned long"
+ i32size=$longsize
+ u32size=$longsize
+ ;;
+ *) case "$intsize" in
+ 4) i32type=int
+ u32type="unsigned int"
+ i32size=$intsize
+ u32size=$intsize
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+esac
+case "$i32type" in
+'') set try -DINT32
+ if eval $compile; then
+ case "`./try$exe_ext`" in
+ int32_t)
+ i32type=int32_t
+ u32type=uint32_t
+ i32size=4
+ u32size=4
+ ;;
+ esac
+ fi
+ ;;
+esac
+case "$i32type" in
+'') if $test $intsize -ge 4; then
+ i32type=int
+ u32type="unsigned int"
+ i32size=$intsize
+ u32size=$intsize
+ fi
+ ;;
+esac
+
+case "$i64type" in
+'') case "$d_quad:$quadtype" in
+ define:?*)
+ i64type="$quadtype"
+ u64type="$uquadtype"
+ i64size=8
+ u64size=8
+ ;;
+ esac
+ ;;
+esac
+
+$echo "Checking whether your NVs can preserve your UVs..." >&4
+$cat <<EOP >try.c
+#include <stdio.h>
+int main() {
+ $uvtype k = ($uvtype)~0, l;
+ $nvtype d;
+ l = k;
+ d = ($nvtype)l;
+ l = ($uvtype)d;
+ if (l == k)
+ printf("preserve\n");
+ exit(0);
+}
+EOP
+set try
+if eval $compile; then
+ case "`./try$exe_ext`" in
+ preserve) d_nvpresuv="$define" ;;
+ esac
+fi
+case "$d_nvpresuv" in
+$define) $echo "Yes, they can." 2>&1 ;;
+*) $echo "No, they can't." 2>&1
+ d_nvpresuv="$undef"
+ ;;
+esac
+
+$rm -f try.* try
+
+: see if POSIX threads are available
+set pthread.h i_pthread
+eval $inhdr
+
+
+
+
+: how to create joinable pthreads
+if test "X$usethreads" = "X$define" -a "X$i_pthread" = "X$define"; then
+ echo " "
+ echo "Checking what constant to use for creating joinable pthreads..." >&4
+ $cat >try.c <<'EOCP'
+#include <pthread.h>
+int main() {
+ int detachstate = JOINABLE;
+}
+EOCP
+ set try -DJOINABLE=PTHREAD_CREATE_JOINABLE
+ if eval $compile; then
+ echo "You seem to use PTHREAD_CREATE_JOINABLE." >&4
+ val="$undef" # Yes, undef.
+ set d_old_pthread_create_joinable
+ eval $setvar
+ val=""
+ set old_pthread_create_joinable
+ eval $setvar
+ else
+ set try -DJOINABLE=PTHREAD_CREATE_UNDETACHED
+ if eval $compile; then
+ echo "You seem to use PTHREAD_CREATE_UNDETACHED." >&4
+ val="$define"
+ set d_old_pthread_create_joinable
+ eval $setvar
+ val=PTHREAD_CREATE_UNDETACHED
+ set old_pthread_create_joinable
+ eval $setvar
+ else
+ set try -DJOINABLE=__UNDETACHED
+ if eval $compile; then
+ echo "You seem to use __UNDETACHED." >&4
+ val="$define"
+ set d_old_pthread_create_joinable
+ eval $setvar
+ val=__UNDETACHED
+ set old_pthread_create_joinable
+ eval $setvar
+ else
+ echo "Egads, nothing obvious found. Guessing that you use 0." >&4
+ val="$define"
+ set d_old_pthread_create_joinable
+ eval $setvar
+ val=0
+ set old_pthread_create_joinable
+ eval $setvar
+ fi
+ fi
+ fi
+ $rm -f try try.*
+else
+ d_old_pthread_create_joinable="$undef"
+ old_pthread_create_joinable=""
+fi
+
+: see if pause exists
+set pause d_pause
+eval $inlibc
+
+: see if pipe exists
+set pipe d_pipe
+eval $inlibc
+
+: see if poll exists
+set poll d_poll
+eval $inlibc
+
+
+: see whether the various POSIXish _yields exist
+$cat >try.c <<EOP
+#include <pthread.h>
+#include <stdio.h>
+int main() {
+#ifdef SCHED_YIELD
+ sched_yield();
+#else
+#ifdef PTHREAD_YIELD
+ pthread_yield();
+#else
#ifdef PTHREAD_YIELD_NULL
pthread_yield(NULL);
#endif
set d_pwexpire
eval $setvar
- if $contains 'pw_comment' $$.h >/dev/null 2>&1; then
- val="$define"
- else
- val="$undef"
- fi
- set d_pwcomment
- eval $setvar
-
- if $contains 'pw_gecos' $$.h >/dev/null 2>&1; then
- val="$define"
- else
- val="$undef"
- fi
- set d_pwgecos
- eval $setvar
-
- if $contains 'pw_passwd' $$.h >/dev/null 2>&1; then
- val="$define"
- else
- val="$undef"
- fi
- set d_pwpasswd
- eval $setvar
-
- $rm -f $$.h
- ;;
-*)
- val="$undef";
- set d_pwquota; eval $setvar
- set d_pwage; eval $setvar
- set d_pwchange; eval $setvar
- set d_pwclass; eval $setvar
- set d_pwexpire; eval $setvar
- set d_pwcomment; eval $setvar
- set d_pwgecos; eval $setvar
- set d_pwpasswd; eval $setvar
- ;;
-esac
-
-: see if inttypes.h is available
-: we want a real compile instead of Inhdr because some systems
-: have an inttypes.h which includes non-existent headers
-echo " "
-$cat >try.c <<EOCP
-#include <inttypes.h>
-int main() {
- static int32_t foo32 = 0x12345678;
-}
-EOCP
-set try
-if eval $compile; then
- echo "<inttypes.h> found." >&4
- val="$define"
-else
- echo "<inttypes.h> NOT found." >&4
- val="$undef"
-fi
-$rm -f try.c try
-set i_inttypes
-eval $setvar
-
-: check for int64_t
-echo " "
-$echo $n "Checking to see if your system supports int64_t...$c" >&4
-$cat >try.c <<EOCP
-#include <sys/types.h>
-#$i_inttypes I_INTTYPES
-#ifdef I_INTTYPES
-#include <inttypes.h>
-#endif
-int main() { int64_t x = 7; }
-EOCP
-set try
-if eval $compile; then
- val="$define"
- echo " Yes, it does." >&4
-else
- val="$undef"
- echo " No, it doesn't." >&4
-fi
-$rm -f try try.*
-set d_int64t
-eval $setvar
-
-
-echo " "
-echo "Checking which 64-bit integer type we could use..." >&4
-
-case "$intsize" in
-8) val=int
- set quadtype
- eval $setvar
- val='"unsigned int"'
- set uquadtype
- eval $setvar
- quadkind=1
- ;;
-*) case "$longsize" in
- 8) val=long
- set quadtype
- eval $setvar
- val='"unsigned long"'
- set uquadtype
- eval $setvar
- quadkind=2
- ;;
- *) case "$uselonglong:$d_longlong:$longlongsize" in
- define:define:8)
- val='"long long"'
- set quadtype
- eval $setvar
- val='"unsigned long long"'
- set uquadtype
- eval $setvar
- quadkind=3
- ;;
- *) case "$d_int64t" in
- define)
- val=int64_t
- set quadtype
- eval $setvar
- val=uint64_t
- set uquadtype
- eval $setvar
- quadkind=4
- ;;
- esac
- ;;
- esac
- ;;
- esac
- ;;
-esac
+ if $contains 'pw_comment' $$.h >/dev/null 2>&1; then
+ val="$define"
+ else
+ val="$undef"
+ fi
+ set d_pwcomment
+ eval $setvar
-case "$quadtype" in
-'') case "$uselonglong:$d_longlong:$longlongsize" in
- undef:define:8)
- echo "(You would have 'long long', but you are not using it.)" >&4 ;;
- *) echo "Alas, no 64-bit integer types in sight." >&4 ;;
- esac
- d_quad="$undef"
- ;;
-*) if test X"$use64bits" = Xdefine -o X"$longsize" = X8; then
- verb="will"
+ if $contains 'pw_gecos' $$.h >/dev/null 2>&1; then
+ val="$define"
else
- verb="could"
+ val="$undef"
fi
- echo "We $verb use '$quadtype' for 64-bit integers." >&4
- d_quad="$define"
+ set d_pwgecos
+ eval $setvar
+
+ if $contains 'pw_passwd' $$.h >/dev/null 2>&1; then
+ val="$define"
+ else
+ val="$undef"
+ fi
+ set d_pwpasswd
+ eval $setvar
+
+ $rm -f $$.h
+ ;;
+*)
+ val="$undef";
+ set d_pwquota; eval $setvar
+ set d_pwage; eval $setvar
+ set d_pwchange; eval $setvar
+ set d_pwclass; eval $setvar
+ set d_pwexpire; eval $setvar
+ set d_pwcomment; eval $setvar
+ set d_pwgecos; eval $setvar
+ set d_pwpasswd; eval $setvar
;;
esac
set strtold d_strtold
eval $inlibc
+: see if strtoll exists
+set strtoll d_strtoll
+eval $inlibc
+
: see if strtoul exists
set strtoul d_strtoul
eval $inlibc
fi
-: check for length of character
-echo " "
-case "$charsize" in
-'')
- echo "Checking to see how big your characters are (hey, you never know)..." >&4
- $cat >try.c <<'EOCP'
-#include <stdio.h>
-int main()
-{
- printf("%d\n", (int)sizeof(char));
- exit(0);
-}
-EOCP
- set try
- if eval $compile_ok; then
- dflt=`./try`
- else
- dflt='1'
- echo "(I can't seem to compile the test program. Guessing...)"
- fi
- ;;
-*)
- dflt="$charsize"
- ;;
-esac
-rp="What is the size of a character (in bytes)?"
-. ./myread
-charsize="$ans"
-$rm -f try.c try
-
-
-echo " "
-$echo "Choosing the C types to be used for Perl's internal types..." >&4
-
-case "$use64bits:$d_quad:$quadtype" in
-define:define:?*)
- ivtype="$quadtype"
- uvtype="$uquadtype"
- ivsize=8
- uvsize=8
- ;;
-*) ivtype="long"
- uvtype="unsigned long"
- ivsize=$longsize
- uvsize=$longsize
- ;;
-esac
-
-case "$uselongdouble:$d_longdbl" in
-define:define)
- nvtype="long double"
- nvsize=$longdblsize
- ;;
-*) nvtype=double
- nvsize=$doublesize
- ;;
-esac
-
-echo "(IV will be "$ivtype", $ivsize bytes)"
-echo "(UV will be "$uvtype", $uvsize bytes)"
-echo "(NV will be "$nvtype", $nvsize bytes)"
-
-$cat >try.c <<EOCP
-#$i_inttypes I_INTTYPES
-#ifdef I_INTTYPES
-#include <inttypes.h>
-#endif
-#include <stdio.h>
-int main() {
-#ifdef INT8
- int8_t i = INT8_MAX;
- uint8_t u = UINT8_MAX;
- printf("int8_t\n");
-#endif
-#ifdef INT16
- int16_t i = INT16_MAX;
- uint16_t i = UINT16_MAX;
- printf("int16_t\n");
-#endif
-#ifdef INT32
- int32_t i = INT32_MAX;
- uint32_t u = UINT32_MAX;
- printf("int32_t\n");
-#endif
-}
-EOCP
-
-case "$i8type" in
-'') case "$charsize" in
- 1) i8type=char
- u8type="unsigned char"
- i8size=$charsize
- u8size=$charsize
- ;;
- esac
- ;;
-esac
-case "$i8type" in
-'') set try -DINT8
- if eval $compile; then
- case "`./try$exe_ext`" in
- int8_t) i8type=int8_t
- u8type=uint8_t
- i8size=1
- u8size=1
- ;;
- esac
- fi
- ;;
-esac
-case "$i8type" in
-'') if $test $charsize -ge 1; then
- i8type=char
- u8type="unsigned char"
- i8size=$charsize
- u8size=$charsize
- fi
- ;;
-esac
-
-case "$i16type" in
-'') case "$shortsize" in
- 2) i16type=short
- u16type="unsigned short"
- i16size=$shortsize
- u16size=$shortsize
- ;;
- esac
- ;;
-esac
-case "$i16type" in
-'') set try -DINT16
- if eval $compile; then
- case "`./try$exe_ext`" in
- int16_t)
- i16type=int16_t
- u16type=uint16_t
- i16size=2
- u16size=2
- ;;
- esac
- fi
- ;;
-esac
-case "$i16type" in
-'') if $test $shortsize -ge 2; then
- i16type=short
- u16type="unsigned short"
- i16size=$shortsize
- u16size=$shortsize
- fi
- ;;
-esac
-
-case "$i32type" in
-'') case "$longsize" in
- 4) i32type=long
- u32type="unsigned long"
- i32size=$longsize
- u32size=$longsize
- ;;
- *) case "$intsize" in
- 4) i32type=int
- u32type="unsigned int"
- i32size=$intsize
- u32size=$intsize
- ;;
- esac
- ;;
- esac
- ;;
-esac
-case "$i32type" in
-'') set try -DINT32
- if eval $compile; then
- case "`./try$exe_ext`" in
- int32_t)
- i32type=int32_t
- u32type=uint32_t
- i32size=4
- u32size=4
- ;;
- esac
- fi
- ;;
-esac
-case "$i32type" in
-'') if $test $intsize -ge 4; then
- i32type=int
- u32type="unsigned int"
- i32size=$intsize
- u32size=$intsize
- fi
- ;;
-esac
-
-case "$i64type" in
-'') case "$d_quad:$quadtype" in
- define:?*)
- i64type="$quadtype"
- u64type="$uquadtype"
- i64size=8
- u64size=8
- ;;
- esac
- ;;
-esac
-
-$rm -f try.* try
-
echo " "
if $test X"$quadtype" != X; then
case "$selecttype" in
'') case "$d_select" in
$define)
+ echo " "
$cat <<EOM
Checking to see what type of arguments are accepted by select().
EOM
d_msgsnd='$d_msgsnd'
d_mymalloc='$d_mymalloc'
d_nice='$d_nice'
+d_nvpresuv='$d_nvpresuv'
d_off64_t='$d_off64_t'
d_old_pthread_create_joinable='$d_old_pthread_create_joinable'
d_oldpthreads='$d_oldpthreads'
d_strtod='$d_strtod'
d_strtol='$d_strtol'
d_strtold='$d_strtold'
+d_strtoll='$d_strtoll'
d_strtoul='$d_strtoul'
d_strtoull='$d_strtoull'
d_strtouq='$d_strtouq'