X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/8852e312c3c616ab731ccbe7da54fb04eb8c3d30..3d2de69e2d8b4ab2d3b4e978957fce16e6597548:/Configure

diff --git a/Configure b/Configure
index 09aa091..a1bc835 100755
--- a/Configure
+++ b/Configure
@@ -28,7 +28,7 @@
 # See Porting/pumpkin.pod for more information on metaconfig.
 #
 
-# Generated on Sun Feb 12 14:10:23 CET 2012 [metaconfig 3.5 PL0]
+# Generated on Sun Aug 26 14:33:39 CEST 2012 [metaconfig 3.5 PL0]
 # (with additional metaconfig patches by perlbug@perl.org)
 
 cat >c1$$ <<EOF
@@ -723,6 +723,10 @@ d_snprintf=''
 d_vsnprintf=''
 d_sockatmark=''
 d_sockatmarkproto=''
+d_ip_mreq=''
+d_ip_mreq_source=''
+d_ipv6_mreq=''
+d_ipv6_mreq_source=''
 d_msg_ctrunc=''
 d_msg_dontroute=''
 d_msg_oob=''
@@ -731,6 +735,7 @@ d_msg_proxy=''
 d_oldsock=''
 d_scm_rights=''
 d_sin6_scope_id=''
+d_sockaddr_in6=''
 d_sockaddr_sa_len=''
 d_socket=''
 d_sockpair=''
@@ -777,7 +782,6 @@ strerror_r_proto=''
 d_strftime=''
 d_strlcat=''
 d_strlcpy=''
-d_strptime=''
 d_strtod=''
 d_strtol=''
 d_strtold=''
@@ -842,6 +846,7 @@ cccdlflags=''
 ccdlflags=''
 dlsrc=''
 ld=''
+ld_can_script=''
 lddlflags=''
 usedl=''
 doublesize=''
@@ -7944,8 +7949,9 @@ Some systems use ld to create libraries that can be dynamically loaded,
 while other systems (such as those using ELF) use $cc.
 
 EOM
-	case "$ld" in
-	'')	$cat >try.c <<EOM
+
+: Determine if this is ELF
+	$cat >try.c <<EOM
 /* Test for whether ELF binaries are produced */
 #include <fcntl.h>
 #$i_stdlib I_STDLIB
@@ -7962,22 +7968,26 @@ int main() {
 	if(i == -1)
 		exit(1); /* fail */
 	if(read(i,b,4)==4 && b[0]==127 && b[1]=='E' && b[2]=='L' && b[3]=='F')
-		exit(0); /* succeed (yes, it's ELF) */
+		exit(0); /* succeed (yes, it is ELF) */
 	else
 		exit(1); /* fail */
 }
 EOM
-		if $cc $ccflags $ldflags try.c >/dev/null 2>&1 && $run ./a.out; then
+	if $cc $ccflags $ldflags try.c >/dev/null 2>&1 && $run ./a.out; then
+		bin_ELF="$define"
+	fi
+	$rm_try
+
+	case "$ld" in
+	'')	if $test $bin_ELF = "$define"; then
 			cat <<EOM
 You appear to have ELF support.  I'll use $cc to build dynamic libraries.
 EOM
 			dflt="$cc"
-			bin_ELF="$define"
 		else
 			echo "I'll use ld to build dynamic libraries."
 			dflt='ld'
 		fi
-		$rm_try
 		;;
 	*)	dflt="$ld"
 		;;
@@ -8084,6 +8094,34 @@ EOM
     ;;
 esac
 
+ld_can_script="$undef"
+case "$bin_ELF$usedl" in
+$define$define)
+    # Abuse try.h and a.out names for neat cleanup
+    $cat >try.c <<EOM
+void foo() {}
+void bar() {}
+EOM
+    $cat >try.h <<EOM
+LIBTEST_42 {
+ global:
+  foo;
+ local: *;
+ };
+EOM
+    if $cc $cccdlflags $ccdlflags $ccflags \
+           $ldflags $lddlflags -o a.out try.c \
+           -Wl,--version-script=try.h >/dev/null 2>&1 \
+       &&  $test -s a.out ; then
+	echo "ld supports scripting" >&4
+	ld_can_script="$define"
+    else
+	echo "ld does not support scripting" >&4
+    fi
+    $rm_try
+    ;;
+esac
+
 : Do we want a shared libperl?
 also=''
 case "$usedl" in
@@ -11300,6 +11338,24 @@ set d_sockaddr_sa_len; eval $setvar
 $rm_try
 
 echo " "
+echo "Checking the availability struct sockaddr_in6 ..." >&4
+$cat >try.c <<EOF
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+int main() {
+struct sockaddr_in6 sin6;
+return (sin6.sin6_family);
+}
+EOF
+val="$undef"
+set try; if eval $compile; then
+	val="$define"
+fi
+set d_sockaddr_in6; eval $setvar
+$rm_try
+
+echo " "
 echo "Checking the availability sin6_scope_id in struct sockaddr_in6 ..." >&4
 $cat >try.c <<EOF
 #include <sys/types.h>
@@ -11318,6 +11374,78 @@ set d_sin6_scope_id; eval $setvar
 $rm_try
 
 echo " "
+echo "Checking the availability struct ip_mreq ..." >&4
+$cat >try.c <<EOF
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+int main() {
+struct ip_mreq mreq;
+return (mreq.imr_multiaddr.s_addr);
+}
+EOF
+val="$undef"
+set try; if eval $compile; then
+       val="$define"
+fi
+set d_ip_mreq; eval $setvar
+$rm_try
+
+echo " "
+echo "Checking the availability struct ip_mreq_source ..." >&4
+$cat >try.c <<EOF
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+int main() {
+struct ip_mreq_source mreq;
+return (mreq.imr_multiaddr.s_addr);
+}
+EOF
+val="$undef"
+set try; if eval $compile; then
+       val="$define"
+fi
+set d_ip_mreq_source; eval $setvar
+$rm_try
+
+echo " "
+echo "Checking the availability struct ipv6_mreq ..." >&4
+$cat >try.c <<EOF
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+int main() {
+struct ipv6_mreq mreq;
+return (mreq.ipv6mr_interface);
+}
+EOF
+val="$undef"
+set try; if eval $compile; then
+	val="$define"
+fi
+set d_ipv6_mreq; eval $setvar
+$rm_try
+
+echo " "
+echo "Checking the availability struct ipv6_mreq_source ..." >&4
+$cat >try.c <<EOF
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+int main() {
+struct ipv6_mreq_source mreq;
+return (mreq.imr_multiaddr.s_addr);
+}
+EOF
+val="$undef"
+set try; if eval $compile; then
+       val="$define"
+fi
+set d_ipv6_mreq_source; eval $setvar
+$rm_try
+
+echo " "
 echo "Checking the availability of certain socket constants..." >&4
 for ENUM in MSG_CTRUNC MSG_DONTROUTE MSG_OOB MSG_PEEK MSG_PROXY SCM_RIGHTS; do
 	enum=`$echo $ENUM|./tr '[A-Z]' '[a-z]'`
@@ -14940,9 +15068,9 @@ $cat >isblank.c <<'EOCP'
 int main() {
 	int c = ' ';
 	if (isblank(c))
-		exit(0);
+		return 0 ;
 	else
-		exit(1);
+		return 1 ;
 }
 EOCP
 if $cc $ccflags $ldflags -o isblank isblank.c $libs >/dev/null 2>&1 ; then
@@ -18127,10 +18255,6 @@ eval $inlibc
 set strlcpy d_strlcpy
 eval $inlibc
 
-: see if strptime exists
-set strptime d_strptime
-eval $inlibc
-
 : see if strtod exists
 set strtod d_strtod
 eval $inlibc
@@ -18898,11 +19022,10 @@ Revision='$Revision'
 
 : check for alignment requirements
 echo " "
-case "$usecrosscompile$multiarch" in
+case "$usecrosscompile" in
 *$define*)
 	$cat <<EOM
-You seem to be either cross-compiling or doing a multiarchitecture build,
-skipping the memory alignment check.
+You seem to be cross-compiling.  Skipping the memory alignment check.
 
 EOM
 	case "$alignbytes" in
@@ -18940,6 +19063,17 @@ EOCP
 			dflt='8'
 			echo "(I can't seem to compile the test program...)"
 		fi
+		case "$multiarch" in
+		*$define*)
+			: The usual safe value is 8, but Darwin with -Duselongdouble
+			: needs 16.  Hence, we will take 8 as a minimum, but allow
+			: Configure to pick a larger value if needed.
+			if $test "$dflt" -lt 8; then
+			    dflt='8'
+				echo "Setting alignment to 8 for multiarch support.">&4
+			fi
+			;;
+		esac
 		;;
 	*) dflt="$alignbytes"
 		;;
@@ -20338,9 +20472,9 @@ case "$pager" in
 	esac
 	;;
 *)	dflt="$pager"
-	fn="f/($pager)"
 	;;
 esac
+fn="f/($dflt)"
 echo " "
 rp='What pager is used on your system?'
 . ./getfile
@@ -21468,7 +21602,7 @@ EOM
 
 val=$undef
 set try
-if eval $compile_ok; then
+if eval $compile; then
 	if $run ./try; then
 		echo "You can use sysctl with KERN_PROC_PATHNAME to find the executing program." >&4
 		val="$define"
@@ -21570,7 +21704,7 @@ EOM
 
 val=$undef
 set try
-if eval $compile_ok; then
+if eval $compile; then
 	if $run ./try; then
 		echo "You can use _NSGetExecutablePath to find the executing program." >&4
 		val="$define"
@@ -21869,15 +22003,16 @@ $cc -o try -Dcpp_stuff=$cpp_stuff $optimize \$ccflags $ldflags try.c $libs && $r
 EOSH
 chmod +x Cppsym.try
 $eunicefix Cppsym.try
-./Cppsym < Cppsym.know > Cppsym.true
+./Cppsym < Cppsym.know | $sort | $uniq > Cppsym.true
 : Add in any linux cpp "predefined macros":
 case "$osname::$gccversion" in
   *linux*::*.*|*gnukfreebsd*::*.*|gnu::*.*)
     tHdrH=_tmpHdr
     rm -f $tHdrH'.h' $tHdrH
     touch $tHdrH'.h'
+    # Filter out macro arguments, such as Linux's __INT8_C(c)
     if $cpp -dM $tHdrH'.h' > $tHdrH'_cppsym.h' && [ -s $tHdrH'_cppsym.h' ]; then
-       sed 's/#define[\ \  ]*//;s/[\ \     ].*$//' <$tHdrH'_cppsym.h' >$tHdrH'_cppsym.real'
+       sed -e 's/#define[\ \  ]*//;s/[\ \     ].*$//' -e 's/(.*//' <$tHdrH'_cppsym.h' >$tHdrH'_cppsym.real'
        if [ -s $tHdrH'_cppsym.real' ]; then
 	  cat $tHdrH'_cppsym.real' Cppsym.know | sort | uniq | ./Cppsym | sort | uniq > Cppsym.true
        fi
@@ -22955,6 +23090,10 @@ d_inetaton='$d_inetaton'
 d_inetntop='$d_inetntop'
 d_inetpton='$d_inetpton'
 d_int64_t='$d_int64_t'
+d_ip_mreq='$d_ip_mreq'
+d_ip_mreq_source='$d_ip_mreq_source'
+d_ipv6_mreq='$d_ipv6_mreq'
+d_ipv6_mreq_source='$d_ipv6_mreq_source'
 d_isascii='$d_isascii'
 d_isblank='$d_isblank'
 d_isfinite='$d_isfinite'
@@ -23120,6 +23259,7 @@ d_sigsetjmp='$d_sigsetjmp'
 d_sin6_scope_id='$d_sin6_scope_id'
 d_sitearch='$d_sitearch'
 d_snprintf='$d_snprintf'
+d_sockaddr_in6='$d_sockaddr_in6'
 d_sockaddr_sa_len='$d_sockaddr_sa_len'
 d_sockatmark='$d_sockatmark'
 d_sockatmarkproto='$d_sockatmarkproto'
@@ -23154,7 +23294,6 @@ d_strerror_r='$d_strerror_r'
 d_strftime='$d_strftime'
 d_strlcat='$d_strlcat'
 d_strlcpy='$d_strlcpy'
-d_strptime='$d_strptime'
 d_strtod='$d_strtod'
 d_strtol='$d_strtol'
 d_strtold='$d_strtold'
@@ -23437,6 +23576,7 @@ ivtype='$ivtype'
 known_extensions='$known_extensions'
 ksh='$ksh'
 ld='$ld'
+ld_can_script='$ld_can_script'
 lddlflags='$lddlflags'
 ldflags='$ldflags'
 ldflags_uselargefiles='$ldflags_uselargefiles'