Merge updates from core 8.5 branch.

1 files changed, 42 insertions, 78 deletions

diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 3974753..b9f4896 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -679,7 +679,7 @@ AC_DEFUN([SC_ENABLE_THREADS], [
 
 	ac_saved_libs=$LIBS
 	LIBS="$LIBS $THREADS_LIBS"
-	AC_CHECK_FUNCS(pthread_attr_setstacksize)
+	AC_CHECK_FUNCS(pthread_attr_setstacksize pthread_atfork)
 	AC_CHECK_FUNC(pthread_attr_get_np,tcl_ok=yes,tcl_ok=no)
 	if test $tcl_ok = yes ; then
 	    AC_DEFINE(HAVE_PTHREAD_ATTR_GET_NP, 1,
@@ -1246,7 +1246,7 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 	    LD_SEARCH_FLAGS=""
 	    TCL_NEEDS_EXP_FILE=1
 	    TCL_EXPORT_FILE_SUFFIX='${VERSION}\$\{DBGX\}.dll.a'
-	    TCL_SHLIB_LD_EXTRAS='-Wl,--out-implib,$[@].a'
+	    SHLIB_LD_LIBS="${SHLIB_LD_LIBS} -Wl,--out-implib,\$[@].a"
 	    AC_CACHE_CHECK(for Cygwin version of gcc,
 		ac_cv_cygwin,
 		AC_TRY_COMPILE([
@@ -1263,8 +1263,15 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 	    if test "x${TCL_THREADS}" = "x0"; then
 		AC_MSG_ERROR([CYGWIN compile is only supported with --enable-threads])
 	    fi
-	    if test "x${SHARED_BUILD}" = "x1" -a ! -f "../win/tcldde13.dll" -a ! -f "../win/tk85.dll"; then
-		AC_MSG_ERROR([Please configure and make the ../win directory first.])
+	    do64bit_ok=yes
+	    if test "x${SHARED_BUILD}" = "x1"; then
+		echo "running cd ../win; ${CONFIG_SHELL-/bin/sh} ./configure $ac_configure_args"
+		# The eval makes quoting arguments work.
+		if cd ../win; eval ${CONFIG_SHELL-/bin/sh} ./configure $ac_configure_args; cd ../unix
+		then :
+		else
+		    { echo "configure: error: configure failed for ../win" 1>&2; exit 1; }
+		fi
 	    fi
 	    ;;
 	dgux*)
@@ -1410,7 +1417,7 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 	        ])
 	    ])
 	    ;;
-	Linux*)
+	Linux*|GNU*|NetBSD-Debian)
 	    SHLIB_CFLAGS="-fPIC"
 	    SHLIB_SUFFIX=".so"
 
@@ -1448,18 +1455,6 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 
 	    AS_IF([test x"${USE_COMPAT}" != x],[CFLAGS="$CFLAGS -fno-inline"])
 	    ;;
-	GNU*)
-	    SHLIB_CFLAGS="-fPIC"
-	    SHLIB_SUFFIX=".so"
-
-	    SHLIB_LD='${CC} -shared'
-	    DL_OBJS=""
-	    DL_LIBS="-ldl"
-	    LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
-	    CC_SEARCH_FLAGS=""
-	    LD_SEARCH_FLAGS=""
-	    AS_IF([test "`uname -m`" = "alpha"], [CFLAGS="$CFLAGS -mieee"])
-	    ;;
 	Lynx*)
 	    SHLIB_CFLAGS="-fPIC"
 	    SHLIB_SUFFIX=".so"
@@ -1493,43 +1488,25 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 	    CC_SEARCH_FLAGS=""
 	    LD_SEARCH_FLAGS=""
 	    ;;
-	NetBSD-1.*|FreeBSD-[[1-2]].*)
-	    SHLIB_CFLAGS="-fPIC"
-	    SHLIB_LD="ld -Bshareable -x"
-	    SHLIB_SUFFIX=".so"
-	    DL_OBJS="tclLoadDl.o"
-	    DL_LIBS=""
-	    AS_IF([test $doRpath = yes], [
-		CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
-		LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'])
-	    AC_CACHE_CHECK([for ELF], tcl_cv_ld_elf, [
-		AC_EGREP_CPP(yes, [
-#ifdef __ELF__
-	yes
-#endif
-		], tcl_cv_ld_elf=yes, tcl_cv_ld_elf=no)])
-	    AS_IF([test $tcl_cv_ld_elf = yes], [
-		SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so'
-	    ], [
-		SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.${SHLIB_VERSION}'
-	    ])
-
-	    # Ancient FreeBSD doesn't handle version numbers with dots.
-
-	    UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
-	    TCL_LIB_VERSIONS_OK=nodots
-	    ;;
 	OpenBSD-*)
 	    arch=`arch -s`
 	    case "$arch" in
-	    m88k|vax)
+	    vax)
 		# Equivalent using configure option --disable-load
 		# Step 4 will set the necessary variables
 		DL_OBJS=""
 		SHLIB_LD_LIBS=""
+		LDFLAGS=""
 		;;
 	    *)
-		SHLIB_CFLAGS="-fPIC"
+		case "$arch" in
+		alpha|sparc64)
+		    SHLIB_CFLAGS="-fPIC"
+		    ;;
+		*)
+		    SHLIB_CFLAGS="-fpic"
+		    ;;
+		esac
 		SHLIB_LD='${CC} -shared ${SHLIB_CFLAGS}'
 		SHLIB_SUFFIX=".so"
 		DL_OBJS="tclLoadDl.o"
@@ -1538,10 +1515,11 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 		    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'])
 		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
 		SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.${SHLIB_VERSION}'
+		LDFLAGS="-Wl,-export-dynamic"
 		;;
 	    esac
 	    case "$arch" in
-	    m88k|vax)
+	    vax)
 		CFLAGS_OPTIMIZE="-O1"
 		;;
 	    sh)
@@ -1551,15 +1529,6 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 		CFLAGS_OPTIMIZE="-O2"
 		;;
 	    esac
-	    AC_CACHE_CHECK([for ELF], tcl_cv_ld_elf, [
-		AC_EGREP_CPP(yes, [
-#ifdef __ELF__
-	yes
-#endif
-		], tcl_cv_ld_elf=yes, tcl_cv_ld_elf=no)])
-	    AS_IF([test $tcl_cv_ld_elf = yes], [
-		LDFLAGS=-Wl,-export-dynamic
-	    ], [LDFLAGS=""])
 	    AS_IF([test "${TCL_THREADS}" = "1"], [
 		# On OpenBSD:	Compile with -pthread
 		#		Don't link with -lpthread
@@ -1570,9 +1539,8 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 	    UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
 	    TCL_LIB_VERSIONS_OK=nodots
 	    ;;
-	NetBSD-*|FreeBSD-[[3-4]].*)
-	    # FreeBSD 3.* and greater have ELF.
-	    # NetBSD 2.* has ELF and can use 'cc -shared' to build shared libs
+	NetBSD-*)
+	    # NetBSD has ELF and can use 'cc -shared' to build shared libs
 	    SHLIB_CFLAGS="-fPIC"
 	    SHLIB_LD='${CC} -shared ${SHLIB_CFLAGS}'
 	    SHLIB_SUFFIX=".so"
@@ -1588,37 +1556,33 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 		CFLAGS="$CFLAGS -pthread"
 	    	LDFLAGS="$LDFLAGS -pthread"
 	    ])
-	    case $system in
-	    FreeBSD-3.*)
-	    	# FreeBSD-3 doesn't handle version numbers with dots.
-	    	UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
-	    	SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so'
-	    	TCL_LIB_VERSIONS_OK=nodots
-		;;
-	    esac
 	    ;;
 	FreeBSD-*)
 	    # This configuration from FreeBSD Ports.
 	    SHLIB_CFLAGS="-fPIC"
 	    SHLIB_LD="${CC} -shared"
-	    TCL_SHLIB_LD_EXTRAS="-soname \$[@]"
+	    SHLIB_LD_LIBS="${SHLIB_LD_LIBS} -Wl,-soname,\$[@]"
 	    SHLIB_SUFFIX=".so"
 	    DL_OBJS="tclLoadDl.o"
 	    DL_LIBS=""
 	    LDFLAGS=""
 	    AS_IF([test $doRpath = yes], [
 		CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
-		LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'])
+		LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'])
 	    AS_IF([test "${TCL_THREADS}" = "1"], [
 		# The -pthread needs to go in the LDFLAGS, not LIBS
 		LIBS=`echo $LIBS | sed s/-pthread//`
 		CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
 		LDFLAGS="$LDFLAGS $PTHREAD_LIBS"])
-	    # Version numbers are dot-stripped by system policy.
-	    TCL_TRIM_DOTS=`echo ${VERSION} | tr -d .`
-	    UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
-	    SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.so.1'
-	    TCL_LIB_VERSIONS_OK=nodots
+	    case $system in
+	    FreeBSD-3.*)
+		# Version numbers are dot-stripped by system policy.
+		TCL_TRIM_DOTS=`echo ${VERSION} | tr -d .`
+		UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
+		SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so'
+		TCL_LIB_VERSIONS_OK=nodots
+		;;
+	    esac
 	    ;;
 	Darwin-*)
 	    CFLAGS_OPTIMIZE="-Os"
@@ -2425,9 +2389,9 @@ AC_DEFUN([SC_PATH_X], [
     not_really_there=""
     if test "$no_x" = ""; then
 	if test "$x_includes" = ""; then
-	    AC_TRY_CPP([#include <X11/XIntrinsic.h>], , not_really_there="yes")
+	    AC_TRY_CPP([#include <X11/Xlib.h>], , not_really_there="yes")
 	else
-	    if test ! -r $x_includes/X11/Intrinsic.h; then
+	    if test ! -r $x_includes/X11/Xlib.h; then
 		not_really_there="yes"
 	    fi
 	fi
@@ -2435,11 +2399,11 @@ AC_DEFUN([SC_PATH_X], [
     if test "$no_x" = "yes" -o "$not_really_there" = "yes"; then
 	AC_MSG_CHECKING([for X11 header files])
 	found_xincludes="no"
-	AC_TRY_CPP([#include <X11/Intrinsic.h>], found_xincludes="yes", found_xincludes="no")
+	AC_TRY_CPP([#include <X11/Xlib.h>], found_xincludes="yes", found_xincludes="no")
 	if test "$found_xincludes" = "no"; then
 	    dirs="/usr/unsupported/include /usr/local/include /usr/X386/include /usr/X11R6/include /usr/X11R5/include /usr/include/X11R5 /usr/include/X11R4 /usr/openwin/include /usr/X11/include /usr/sww/include"
 	    for i in $dirs ; do
-		if test -r $i/X11/Intrinsic.h; then
+		if test -r $i/X11/Xlib.h; then
 		    AC_MSG_RESULT([$i])
 		    XINCLUDES=" -I$i"
 		    found_xincludes="yes"
@@ -2815,7 +2779,7 @@ AC_DEFUN([SC_TCL_64BIT_FLAGS], [
 	# Now check for auxiliary declarations
 	AC_CACHE_CHECK([for struct dirent64], tcl_cv_struct_dirent64,[
 	    AC_TRY_COMPILE([#include <sys/types.h>
-#include <sys/dirent.h>],[struct dirent64 p;],
+#include <dirent.h>],[struct dirent64 p;],
 		tcl_cv_struct_dirent64=yes,tcl_cv_struct_dirent64=no)])
 	if test "x${tcl_cv_struct_dirent64}" = "xyes" ; then
 	    AC_DEFINE(HAVE_STRUCT_DIRENT64, 1, [Is 'struct dirent64' in <sys/types.h>?])