autoupdate */configure.ac and */tcl.m4. Should still work with autoconf-2.69 too

1 files changed, 121 insertions, 109 deletions

diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 75cdb85..3be21c4 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -671,7 +671,7 @@ AC_DEFUN([SC_ENABLE_LANGINFO], [
     AC_MSG_CHECKING([whether to use nl_langinfo])
     if test "$langinfo_ok" = "yes"; then
 	AC_CACHE_VAL(tcl_cv_langinfo_h, [
-	    AC_TRY_COMPILE([#include <langinfo.h>], [nl_langinfo(CODESET);],
+	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]], [[nl_langinfo(CODESET);]])],
 		    [tcl_cv_langinfo_h=yes],[tcl_cv_langinfo_h=no])])
 	AC_MSG_RESULT([$tcl_cv_langinfo_h])
 	if test $tcl_cv_langinfo_h = yes; then
@@ -906,10 +906,10 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
     AC_CACHE_CHECK([if compiler supports visibility "hidden"],
 	tcl_cv_cc_visibility_hidden, [
 	hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Werror"
-	AC_TRY_LINK([
+	AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 	    extern __attribute__((__visibility__("hidden"))) void f(void);
-	    void f(void) {}], [f();], tcl_cv_cc_visibility_hidden=yes,
-	    tcl_cv_cc_visibility_hidden=no)
+	    void f(void) {}]], [[f();]])],[tcl_cv_cc_visibility_hidden=yes],
+	    [tcl_cv_cc_visibility_hidden=no])
 	CFLAGS=$hold_cflags])
     AS_IF([test $tcl_cv_cc_visibility_hidden = yes], [
 	AC_DEFINE(MODULE_SCOPE,
@@ -1090,13 +1090,13 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 	    SHLIB_LD_LIBS="${SHLIB_LD_LIBS} -Wl,--out-implib,\$[@].a"
 	    AC_CACHE_CHECK(for Cygwin version of gcc,
 		ac_cv_cygwin,
-		AC_TRY_COMPILE([
+		AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 		#ifdef __CYGWIN__
 		    #error cygwin
 		#endif
-		], [],
-		ac_cv_cygwin=no,
-		ac_cv_cygwin=yes)
+		]], [[]])],
+		[ac_cv_cygwin=no],
+		[ac_cv_cygwin=yes])
 	    )
 	    if test "$ac_cv_cygwin" = "no"; then
 		AC_MSG_ERROR([${CC} is not a cygwin compiler.])
@@ -1282,7 +1282,7 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 		AC_CACHE_CHECK([if compiler accepts -m64 flag], tcl_cv_cc_m64, [
 		    hold_cflags=$CFLAGS
 		    CFLAGS="$CFLAGS -m64"
-		    AC_TRY_LINK(,, tcl_cv_cc_m64=yes, tcl_cv_cc_m64=no)
+		    AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[tcl_cv_cc_m64=yes],[tcl_cv_cc_m64=no])
 		    CFLAGS=$hold_cflags])
 		AS_IF([test $tcl_cv_cc_m64 = yes], [
 		    CFLAGS="$CFLAGS -m64"
@@ -1397,8 +1397,8 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 				tcl_cv_cc_arch_ppc64, [
 			    hold_cflags=$CFLAGS
 			    CFLAGS="$CFLAGS -arch ppc64 -mpowerpc64 -mcpu=G5"
-			    AC_TRY_LINK(,, tcl_cv_cc_arch_ppc64=yes,
-				    tcl_cv_cc_arch_ppc64=no)
+			    AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[tcl_cv_cc_arch_ppc64=yes],
+				    [tcl_cv_cc_arch_ppc64=no])
 			    CFLAGS=$hold_cflags])
 			AS_IF([test $tcl_cv_cc_arch_ppc64 = yes], [
 			    CFLAGS="$CFLAGS -arch ppc64 -mpowerpc64 -mcpu=G5"
@@ -1409,8 +1409,8 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 				tcl_cv_cc_arch_x86_64, [
 			    hold_cflags=$CFLAGS
 			    CFLAGS="$CFLAGS -arch x86_64"
-			    AC_TRY_LINK(,, tcl_cv_cc_arch_x86_64=yes,
-				    tcl_cv_cc_arch_x86_64=no)
+			    AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[tcl_cv_cc_arch_x86_64=yes],
+				    [tcl_cv_cc_arch_x86_64=no])
 			    CFLAGS=$hold_cflags])
 			AS_IF([test $tcl_cv_cc_arch_x86_64 = yes], [
 			    CFLAGS="$CFLAGS -arch x86_64"
@@ -1429,7 +1429,7 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 	    AC_CACHE_CHECK([if ld accepts -single_module flag], tcl_cv_ld_single_module, [
 		hold_ldflags=$LDFLAGS
 		LDFLAGS="$LDFLAGS -dynamiclib -Wl,-single_module"
-		AC_TRY_LINK(, [int i;], tcl_cv_ld_single_module=yes, tcl_cv_ld_single_module=no)
+		AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])],[tcl_cv_ld_single_module=yes],[tcl_cv_ld_single_module=no])
 		LDFLAGS=$hold_ldflags])
 	    AS_IF([test $tcl_cv_ld_single_module = yes], [
 		SHLIB_LD="${SHLIB_LD} -Wl,-single_module"
@@ -1442,8 +1442,8 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 		    tcl_cv_ld_search_paths_first, [
 		hold_ldflags=$LDFLAGS
 		LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
-		AC_TRY_LINK(, [int i;], tcl_cv_ld_search_paths_first=yes,
-			tcl_cv_ld_search_paths_first=no)
+		AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])],[tcl_cv_ld_search_paths_first=yes],
+			[tcl_cv_ld_search_paths_first=no])
 		LDFLAGS=$hold_ldflags])
 	    AS_IF([test $tcl_cv_ld_search_paths_first = yes], [
 		LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
@@ -1478,10 +1478,10 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 			    eval 'hold_'$v'="$'$v'";'$v'="`echo "$'$v' "|sed -e "s/-arch ppc64 / /g" -e "s/-arch x86_64 / /g"`"'
 			done])
 		    LIBS="$LIBS -framework CoreFoundation"
-		    AC_TRY_LINK([#include <CoreFoundation/CoreFoundation.h>],
-			[CFBundleRef b = CFBundleGetMainBundle();],
-			tcl_cv_lib_corefoundation=yes,
-			tcl_cv_lib_corefoundation=no)
+		    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <CoreFoundation/CoreFoundation.h>]],
+			[[CFBundleRef b = CFBundleGetMainBundle();]])],
+			[tcl_cv_lib_corefoundation=yes],
+			[tcl_cv_lib_corefoundation=no])
 		    AS_IF([test "$fat_32_64" = yes], [
 			for v in CFLAGS CPPFLAGS LDFLAGS; do
 			    eval $v'="$hold_'$v'"'
@@ -1498,10 +1498,10 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 			for v in CFLAGS CPPFLAGS LDFLAGS; do
 			    eval 'hold_'$v'="$'$v'";'$v'="`echo "$'$v' "|sed -e "s/-arch ppc / /g" -e "s/-arch i386 / /g"`"'
 			done
-			AC_TRY_LINK([#include <CoreFoundation/CoreFoundation.h>],
-			    [CFBundleRef b = CFBundleGetMainBundle();],
-			    tcl_cv_lib_corefoundation_64=yes,
-			    tcl_cv_lib_corefoundation_64=no)
+			AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <CoreFoundation/CoreFoundation.h>]],
+				[[CFBundleRef b = CFBundleGetMainBundle();]])],
+				[tcl_cv_lib_corefoundation_64=yes],
+				[tcl_cv_lib_corefoundation_64=no])
 			for v in CFLAGS CPPFLAGS LDFLAGS; do
 			    eval $v'="$hold_'$v'"'
 			done])
@@ -1721,7 +1721,7 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 	    AC_CACHE_CHECK([for ld accepts -Bexport flag], tcl_cv_ld_Bexport, [
 		hold_ldflags=$LDFLAGS
 		LDFLAGS="$LDFLAGS -Wl,-Bexport"
-		AC_TRY_LINK(, [int i;], tcl_cv_ld_Bexport=yes, tcl_cv_ld_Bexport=no)
+		AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])],[tcl_cv_ld_Bexport=yes],[tcl_cv_ld_Bexport=no])
 	        LDFLAGS=$hold_ldflags])
 	    AS_IF([test $tcl_cv_ld_Bexport = yes], [
 		LDFLAGS="$LDFLAGS -Wl,-Bexport"
@@ -1838,13 +1838,12 @@ dnl # preprocessing tests use only CPPFLAGS.
 
 	AC_CACHE_CHECK(for cast to union support,
 	    tcl_cv_cast_to_union,
-	    AC_TRY_COMPILE([],
-	    [
+	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
 		  union foo { int i; double d; };
 		  union foo f = (union foo) (int) 0;
-	    ],
-	    tcl_cv_cast_to_union=yes,
-	    tcl_cv_cast_to_union=no)
+	    ]])],
+	    [tcl_cv_cast_to_union=yes],
+	    [tcl_cv_cast_to_union=no])
 	)
 	if test "$tcl_cv_cast_to_union" = "yes"; then
 	    AC_DEFINE(HAVE_CAST_TO_UNION, 1,
@@ -1919,8 +1918,8 @@ dnl # preprocessing tests use only CPPFLAGS.
 
 AC_DEFUN([SC_MISSING_POSIX_HEADERS], [
     AC_CACHE_CHECK([dirent.h], tcl_cv_dirent_h, [
-    AC_TRY_LINK([#include <sys/types.h>
-#include <dirent.h>], [
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
+#include <dirent.h>]], [[
 #ifndef _POSIX_SOURCE
 #   ifdef __Lynx__
 	/*
@@ -1938,7 +1937,7 @@ d = opendir("foobar");
 entryPtr = readdir(d);
 p = entryPtr->d_name;
 closedir(d);
-], tcl_cv_dirent_h=yes, tcl_cv_dirent_h=no)])
+]])],[tcl_cv_dirent_h=yes],[tcl_cv_dirent_h=no])])
 
     if test $tcl_cv_dirent_h = no; then
 	AC_DEFINE(NO_DIRENT_H, 1, [Do we have <dirent.h>?])
@@ -1965,7 +1964,7 @@ closedir(d);
     AC_CHECK_HEADER(dlfcn.h, , [AC_DEFINE(NO_DLFCN_H, 1, [Do we have <dlfcn.h>?])])
 
     # OS/390 lacks sys/param.h (and doesn't need it, by chance).
-    AC_HAVE_HEADERS(sys/param.h)
+    AC_CHECK_HEADERS([sys/param.h])
 ])
 
 #--------------------------------------------------------------------
@@ -1994,7 +1993,7 @@ AC_DEFUN([SC_PATH_X], [
     not_really_there=""
     if test "$no_x" = ""; then
 	if test "$x_includes" = ""; then
-	    AC_TRY_CPP([#include <X11/Xlib.h>], , not_really_there="yes")
+	    AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <X11/Xlib.h>]])],[],[not_really_there="yes"])
 	else
 	    if test ! -r $x_includes/X11/Xlib.h; then
 		not_really_there="yes"
@@ -2004,7 +2003,7 @@ AC_DEFUN([SC_PATH_X], [
     if test "$no_x" = "yes" -o "$not_really_there" = "yes"; then
 	AC_MSG_CHECKING([for X11 header files])
 	found_xincludes="no"
-	AC_TRY_CPP([#include <X11/Xlib.h>], found_xincludes="yes", found_xincludes="no")
+	AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <X11/Xlib.h>]])],[found_xincludes="yes"],[found_xincludes="no"])
 	if test "$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
@@ -2112,20 +2111,33 @@ AC_DEFUN([SC_BLOCKING_STYLE], [
 
 AC_DEFUN([SC_TIME_HANDLER], [
     AC_CHECK_HEADERS(sys/time.h)
-    AC_HEADER_TIME
+    m4_warn([obsolete],
+[Update your code to rely only on HAVE_SYS_TIME_H,
+then remove this warning and the obsolete code below it.
+All current systems provide time.h; it need not be checked for.
+Not all systems provide sys/time.h, but those that do, all allow
+you to include it and time.h simultaneously.])dnl
+AC_CHECK_HEADERS_ONCE([sys/time.h])
+# Obsolete code to be removed.
+if test $ac_cv_header_sys_time_h = yes; then
+  AC_DEFINE([TIME_WITH_SYS_TIME],[1],[Define to 1 if you can safely include both <sys/time.h>
+	     and <time.h>.  This macro is obsolete.])
+fi
+# End of obsolete code.
+
 
     AC_CHECK_FUNCS(gmtime_r localtime_r mktime)
 
     AC_CACHE_CHECK([tm_tzadj in struct tm], tcl_cv_member_tm_tzadj, [
-	AC_TRY_COMPILE([#include <time.h>], [struct tm tm; tm.tm_tzadj;],
-	    tcl_cv_member_tm_tzadj=yes, tcl_cv_member_tm_tzadj=no)])
+	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[struct tm tm; tm.tm_tzadj;]])],
+	    [tcl_cv_member_tm_tzadj=yes],[tcl_cv_member_tm_tzadj=no])])
     if test $tcl_cv_member_tm_tzadj = yes ; then
 	AC_DEFINE(HAVE_TM_TZADJ, 1, [Should we use the tm_tzadj field of struct tm?])
     fi
 
     AC_CACHE_CHECK([tm_gmtoff in struct tm], tcl_cv_member_tm_gmtoff, [
-	AC_TRY_COMPILE([#include <time.h>], [struct tm tm; (void)tm.tm_gmtoff;],
-	    tcl_cv_member_tm_gmtoff=yes, tcl_cv_member_tm_gmtoff=no)])
+	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[struct tm tm; (void)tm.tm_gmtoff;]])],
+	    [tcl_cv_member_tm_gmtoff=yes],[tcl_cv_member_tm_gmtoff=no])])
     if test $tcl_cv_member_tm_gmtoff = yes ; then
 	AC_DEFINE(HAVE_TM_GMTOFF, 1, [Should we use the tm_gmtoff field of struct tm?])
     fi
@@ -2135,11 +2147,11 @@ AC_DEFUN([SC_TIME_HANDLER], [
     # (like convex) have timezone functions, etc.
     #
     AC_CACHE_CHECK([long timezone variable], tcl_cv_timezone_long, [
-	AC_TRY_COMPILE([#include <time.h>],
-	    [extern long timezone;
+	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]],
+	    [[extern long timezone;
 	    timezone += 1;
-	    exit (0);],
-	    tcl_cv_timezone_long=yes, tcl_cv_timezone_long=no)])
+	    exit (0);]])],
+	    [tcl_cv_timezone_long=yes],[tcl_cv_timezone_long=no])])
     if test $tcl_cv_timezone_long = yes ; then
 	AC_DEFINE(HAVE_TIMEZONE_VAR, 1, [Should we use the global timezone variable?])
     else
@@ -2147,11 +2159,11 @@ AC_DEFUN([SC_TIME_HANDLER], [
 	# On some systems (eg IRIX 6.2), timezone is a time_t and not a long.
 	#
 	AC_CACHE_CHECK([time_t timezone variable], tcl_cv_timezone_time, [
-	    AC_TRY_COMPILE([#include <time.h>],
-		[extern time_t timezone;
+	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]],
+		[[extern time_t timezone;
 		timezone += 1;
-		exit (0);],
-		tcl_cv_timezone_time=yes, tcl_cv_timezone_time=no)])
+		exit (0);]])],
+		[tcl_cv_timezone_time=yes],[tcl_cv_timezone_time=no])])
 	if test $tcl_cv_timezone_time = yes ; then
 	    AC_DEFINE(HAVE_TIMEZONE_VAR, 1, [Should we use the global timezone variable?])
 	fi
@@ -2356,14 +2368,14 @@ AC_DEFUN([SC_TCL_64BIT_FLAGS], [
     AC_CACHE_VAL(tcl_cv_type_64bit,[
 	tcl_cv_type_64bit=none
 	# See if the compiler knows natively about __int64
-	AC_TRY_COMPILE(,[__int64 value = (__int64) 0;],
-	    tcl_type_64bit=__int64, tcl_type_64bit="long long")
+	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[__int64 value = (__int64) 0;]])],
+	    [tcl_type_64bit=__int64],[tcl_type_64bit="long long"])
 	# See if we could use long anyway  Note that we substitute in the
 	# type that is our current guess for a 64-bit type inside this check
 	# program, so it should be modified only carefully...
-        AC_TRY_COMPILE(,[switch (0) {
-            case 1: case (sizeof(]${tcl_type_64bit}[)==sizeof(long)): ;
-        }],tcl_cv_type_64bit=${tcl_type_64bit})])
+        AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[switch (0) {
+            case 1: case (sizeof(${tcl_type_64bit})==sizeof(long)): ;
+        }]])],[tcl_cv_type_64bit=${tcl_type_64bit}],[])])
     if test "${tcl_cv_type_64bit}" = none ; then
 	AC_DEFINE(TCL_WIDE_INT_IS_LONG, 1, [Do 'long' and 'long long' have the same size (64-bit)?])
 	AC_MSG_RESULT([yes])
@@ -2374,26 +2386,26 @@ 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 <dirent.h>],[struct dirent64 p;],
-		tcl_cv_struct_dirent64=yes,tcl_cv_struct_dirent64=no)])
+	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
+#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>?])
 	fi
 
 	AC_CACHE_CHECK([for DIR64], tcl_cv_DIR64,[
-	    AC_TRY_COMPILE([#include <sys/types.h>
-#include <dirent.h>],[struct dirent64 *p; DIR64 d = opendir64(".");
-            p = readdir64(d); rewinddir64(d); closedir64(d);],
-		tcl_cv_DIR64=yes,tcl_cv_DIR64=no)])
+	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
+#include <dirent.h>]], [[struct dirent64 *p; DIR64 d = opendir64(".");
+            p = readdir64(d); rewinddir64(d); closedir64(d);]])],
+		[tcl_cv_DIR64=yes],[tcl_cv_DIR64=no])])
 	if test "x${tcl_cv_DIR64}" = "xyes" ; then
 	    AC_DEFINE(HAVE_DIR64, 1, [Is 'DIR64' in <sys/types.h>?])
 	fi
 
 	AC_CACHE_CHECK([for struct stat64], tcl_cv_struct_stat64,[
-	    AC_TRY_COMPILE([#include <sys/stat.h>],[struct stat64 p;
-],
-		tcl_cv_struct_stat64=yes,tcl_cv_struct_stat64=no)])
+	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[struct stat64 p;
+]])],
+		[tcl_cv_struct_stat64=yes],[tcl_cv_struct_stat64=no])])
 	if test "x${tcl_cv_struct_stat64}" = "xyes" ; then
 	    AC_DEFINE(HAVE_STRUCT_STAT64, 1, [Is 'struct stat64' in <sys/stat.h>?])
 	fi
@@ -2401,9 +2413,9 @@ AC_DEFUN([SC_TCL_64BIT_FLAGS], [
 	AC_CHECK_FUNCS(open64 lseek64)
 	AC_MSG_CHECKING([for off64_t])
 	AC_CACHE_VAL(tcl_cv_type_off64_t,[
-	    AC_TRY_COMPILE([#include <sys/types.h>],[off64_t offset;
-],
-		tcl_cv_type_off64_t=yes,tcl_cv_type_off64_t=no)])
+	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>]], [[off64_t offset;
+]])],
+		[tcl_cv_type_off64_t=yes],[tcl_cv_type_off64_t=no])])
 	dnl Define HAVE_TYPE_OFF64_T only when the off64_t type and the
 	dnl functions lseek64 and open64 are defined.
 	if test "x${tcl_cv_type_off64_t}" = "xyes" && \
@@ -2469,11 +2481,11 @@ AC_DEFUN([SC_TCL_CHECK_BROKEN_FUNC],[
     AC_CHECK_FUNC($1, tcl_ok=1, tcl_ok=0)
     if test ["$tcl_ok"] = 1; then
 	AC_CACHE_CHECK([proper ]$1[ implementation], [tcl_cv_]$1[_unbroken],
-	    AC_TRY_RUN([[
+	    AC_RUN_IFELSE([AC_LANG_SOURCE([[[
 #include <stdlib.h>
 #include <string.h>
-int main() {]$2[}]],[tcl_cv_]$1[_unbroken]=ok,
-		[tcl_cv_]$1[_unbroken]=broken,[tcl_cv_]$1[_unbroken]=unknown))
+int main() {]$2[}]]])],[tcl_cv_$1_unbroken=ok],
+		[tcl_cv_$1_unbroken=broken],[tcl_cv_$1_unbroken=unknown]))
 	if test ["$tcl_cv_]$1[_unbroken"] = "ok"; then
 	    tcl_ok=1
 	else
@@ -2518,9 +2530,9 @@ AC_DEFUN([SC_TCL_GETHOSTBYADDR_R_DECL], [AC_CHECK_DECLS(gethostbyaddr_r, [
 
 AC_DEFUN([SC_TCL_GETHOSTBYADDR_R_TYPE], [AC_CHECK_FUNC(gethostbyaddr_r, [
     AC_CACHE_CHECK([for gethostbyaddr_r with 7 args], tcl_cv_api_gethostbyaddr_r_7, [
-    AC_TRY_COMPILE([
+    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 	#include <netdb.h>
-    ], [
+    ]], [[
 	char *addr;
 	int length;
 	int type;
@@ -2531,16 +2543,16 @@ AC_DEFUN([SC_TCL_GETHOSTBYADDR_R_TYPE], [AC_CHECK_FUNC(gethostbyaddr_r, [
 
 	(void) gethostbyaddr_r(addr, length, type, result, buffer, buflen,
 			       &h_errnop);
-    ], tcl_cv_api_gethostbyaddr_r_7=yes, tcl_cv_api_gethostbyaddr_r_7=no)])
+    ]])],[tcl_cv_api_gethostbyaddr_r_7=yes],[tcl_cv_api_gethostbyaddr_r_7=no])])
     tcl_ok=$tcl_cv_api_gethostbyaddr_r_7
     if test "$tcl_ok" = yes; then
 	AC_DEFINE(HAVE_GETHOSTBYADDR_R_7, 1,
 	    [Define to 1 if gethostbyaddr_r takes 7 args.])
     else
 	AC_CACHE_CHECK([for gethostbyaddr_r with 8 args], tcl_cv_api_gethostbyaddr_r_8, [
-	AC_TRY_COMPILE([
+	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 	    #include <netdb.h>
-	], [
+	]], [[
 	    char *addr;
 	    int length;
 	    int type;
@@ -2551,7 +2563,7 @@ AC_DEFUN([SC_TCL_GETHOSTBYADDR_R_TYPE], [AC_CHECK_FUNC(gethostbyaddr_r, [
 
 	    (void) gethostbyaddr_r(addr, length, type, result, buffer, buflen,
 				   &resultp, &h_errnop);
-	], tcl_cv_api_gethostbyaddr_r_8=yes, tcl_cv_api_gethostbyaddr_r_8=no)])
+	]])],[tcl_cv_api_gethostbyaddr_r_8=yes],[tcl_cv_api_gethostbyaddr_r_8=no])])
 	tcl_ok=$tcl_cv_api_gethostbyaddr_r_8
 	if test "$tcl_ok" = yes; then
 	    AC_DEFINE(HAVE_GETHOSTBYADDR_R_8, 1,
@@ -2599,9 +2611,9 @@ AC_DEFUN([SC_TCL_GETHOSTBYNAME_R_DECL], [AC_CHECK_DECLS(gethostbyname_r, [
 
 AC_DEFUN([SC_TCL_GETHOSTBYNAME_R_TYPE], [AC_CHECK_FUNC(gethostbyname_r, [
     AC_CACHE_CHECK([for gethostbyname_r with 6 args], tcl_cv_api_gethostbyname_r_6, [
-    AC_TRY_COMPILE([
+    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 	#include <netdb.h>
-    ], [
+    ]], [[
 	char *name;
 	struct hostent *he, *res;
 	char buffer[2048];
@@ -2609,16 +2621,16 @@ AC_DEFUN([SC_TCL_GETHOSTBYNAME_R_TYPE], [AC_CHECK_FUNC(gethostbyname_r, [
 	int h_errnop;
 
 	(void) gethostbyname_r(name, he, buffer, buflen, &res, &h_errnop);
-    ], tcl_cv_api_gethostbyname_r_6=yes, tcl_cv_api_gethostbyname_r_6=no)])
+    ]])],[tcl_cv_api_gethostbyname_r_6=yes],[tcl_cv_api_gethostbyname_r_6=no])])
     tcl_ok=$tcl_cv_api_gethostbyname_r_6
     if test "$tcl_ok" = yes; then
 	AC_DEFINE(HAVE_GETHOSTBYNAME_R_6, 1,
 	    [Define to 1 if gethostbyname_r takes 6 args.])
     else
 	AC_CACHE_CHECK([for gethostbyname_r with 5 args], tcl_cv_api_gethostbyname_r_5, [
-	AC_TRY_COMPILE([
+	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 	    #include <netdb.h>
-	], [
+	]], [[
 	    char *name;
 	    struct hostent *he;
 	    char buffer[2048];
@@ -2626,22 +2638,22 @@ AC_DEFUN([SC_TCL_GETHOSTBYNAME_R_TYPE], [AC_CHECK_FUNC(gethostbyname_r, [
 	    int h_errnop;
 
 	    (void) gethostbyname_r(name, he, buffer, buflen, &h_errnop);
-	], tcl_cv_api_gethostbyname_r_5=yes, tcl_cv_api_gethostbyname_r_5=no)])
+	]])],[tcl_cv_api_gethostbyname_r_5=yes],[tcl_cv_api_gethostbyname_r_5=no])])
 	tcl_ok=$tcl_cv_api_gethostbyname_r_5
 	if test "$tcl_ok" = yes; then
 	    AC_DEFINE(HAVE_GETHOSTBYNAME_R_5, 1,
 		[Define to 1 if gethostbyname_r takes 5 args.])
 	else
 	    AC_CACHE_CHECK([for gethostbyname_r with 3 args], tcl_cv_api_gethostbyname_r_3, [
-	    AC_TRY_COMPILE([
+	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 		#include <netdb.h>
-	    ], [
+	    ]], [[
 		char *name;
 		struct hostent *he;
 		struct hostent_data data;
 
 		(void) gethostbyname_r(name, he, &data);
-	    ], tcl_cv_api_gethostbyname_r_3=yes, tcl_cv_api_gethostbyname_r_3=no)])
+	    ]])],[tcl_cv_api_gethostbyname_r_3=yes],[tcl_cv_api_gethostbyname_r_3=no])])
 	    tcl_ok=$tcl_cv_api_gethostbyname_r_3
 	    if test "$tcl_ok" = yes; then
 		AC_DEFINE(HAVE_GETHOSTBYNAME_R_3, 1,
@@ -2675,34 +2687,34 @@ AC_DEFUN([SC_TCL_GETHOSTBYNAME_R_TYPE], [AC_CHECK_FUNC(gethostbyname_r, [
 
 AC_DEFUN([SC_TCL_GETPWUID_R], [AC_CHECK_FUNC(getpwuid_r, [
     AC_CACHE_CHECK([for getpwuid_r with 5 args], tcl_cv_api_getpwuid_r_5, [
-    AC_TRY_COMPILE([
+    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 	#include <sys/types.h>
 	#include <pwd.h>
-    ], [
+    ]], [[
 	uid_t uid;
 	struct passwd pw, *pwp;
 	char buf[512];
 	int buflen = 512;
 
 	(void) getpwuid_r(uid, &pw, buf, buflen, &pwp);
-    ], tcl_cv_api_getpwuid_r_5=yes, tcl_cv_api_getpwuid_r_5=no)])
+    ]])],[tcl_cv_api_getpwuid_r_5=yes],[tcl_cv_api_getpwuid_r_5=no])])
     tcl_ok=$tcl_cv_api_getpwuid_r_5
     if test "$tcl_ok" = yes; then
 	AC_DEFINE(HAVE_GETPWUID_R_5, 1,
 	    [Define to 1 if getpwuid_r takes 5 args.])
     else
 	AC_CACHE_CHECK([for getpwuid_r with 4 args], tcl_cv_api_getpwuid_r_4, [
-	AC_TRY_COMPILE([
+	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 	    #include <sys/types.h>
 	    #include <pwd.h>
-	], [
+	]], [[
 	    uid_t uid;
 	    struct passwd pw;
 	    char buf[512];
 	    int buflen = 512;
 
 	    (void)getpwnam_r(uid, &pw, buf, buflen);
-	], tcl_cv_api_getpwuid_r_4=yes, tcl_cv_api_getpwuid_r_4=no)])
+	]])],[tcl_cv_api_getpwuid_r_4=yes],[tcl_cv_api_getpwuid_r_4=no])])
 	tcl_ok=$tcl_cv_api_getpwuid_r_4
 	if test "$tcl_ok" = yes; then
 	    AC_DEFINE(HAVE_GETPWUID_R_4, 1,
@@ -2735,34 +2747,34 @@ AC_DEFUN([SC_TCL_GETPWUID_R], [AC_CHECK_FUNC(getpwuid_r, [
 
 AC_DEFUN([SC_TCL_GETPWNAM_R], [AC_CHECK_FUNC(getpwnam_r, [
     AC_CACHE_CHECK([for getpwnam_r with 5 args], tcl_cv_api_getpwnam_r_5, [
-    AC_TRY_COMPILE([
+    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 	#include <sys/types.h>
 	#include <pwd.h>
-    ], [
+    ]], [[
 	char *name;
 	struct passwd pw, *pwp;
 	char buf[512];
 	int buflen = 512;
 
 	(void) getpwnam_r(name, &pw, buf, buflen, &pwp);
-    ], tcl_cv_api_getpwnam_r_5=yes, tcl_cv_api_getpwnam_r_5=no)])
+    ]])],[tcl_cv_api_getpwnam_r_5=yes],[tcl_cv_api_getpwnam_r_5=no])])
     tcl_ok=$tcl_cv_api_getpwnam_r_5
     if test "$tcl_ok" = yes; then
 	AC_DEFINE(HAVE_GETPWNAM_R_5, 1,
 	    [Define to 1 if getpwnam_r takes 5 args.])
     else
 	AC_CACHE_CHECK([for getpwnam_r with 4 args], tcl_cv_api_getpwnam_r_4, [
-	AC_TRY_COMPILE([
+	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 	    #include <sys/types.h>
 	    #include <pwd.h>
-	], [
+	]], [[
 	    char *name;
 	    struct passwd pw;
 	    char buf[512];
 	    int buflen = 512;
 
 	    (void)getpwnam_r(name, &pw, buf, buflen);
-	], tcl_cv_api_getpwnam_r_4=yes, tcl_cv_api_getpwnam_r_4=no)])
+	]])],[tcl_cv_api_getpwnam_r_4=yes],[tcl_cv_api_getpwnam_r_4=no])])
 	tcl_ok=$tcl_cv_api_getpwnam_r_4
 	if test "$tcl_ok" = yes; then
 	    AC_DEFINE(HAVE_GETPWNAM_R_4, 1,
@@ -2795,34 +2807,34 @@ AC_DEFUN([SC_TCL_GETPWNAM_R], [AC_CHECK_FUNC(getpwnam_r, [
 
 AC_DEFUN([SC_TCL_GETGRGID_R], [AC_CHECK_FUNC(getgrgid_r, [
     AC_CACHE_CHECK([for getgrgid_r with 5 args], tcl_cv_api_getgrgid_r_5, [
-    AC_TRY_COMPILE([
+    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 	#include <sys/types.h>
 	#include <grp.h>
-    ], [
+    ]], [[
 	gid_t gid;
 	struct group gr, *grp;
 	char buf[512];
 	int buflen = 512;
 
 	(void) getgrgid_r(gid, &gr, buf, buflen, &grp);
-    ], tcl_cv_api_getgrgid_r_5=yes, tcl_cv_api_getgrgid_r_5=no)])
+    ]])],[tcl_cv_api_getgrgid_r_5=yes],[tcl_cv_api_getgrgid_r_5=no])])
     tcl_ok=$tcl_cv_api_getgrgid_r_5
     if test "$tcl_ok" = yes; then
 	AC_DEFINE(HAVE_GETGRGID_R_5, 1,
 	    [Define to 1 if getgrgid_r takes 5 args.])
     else
 	AC_CACHE_CHECK([for getgrgid_r with 4 args], tcl_cv_api_getgrgid_r_4, [
-	AC_TRY_COMPILE([
+	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 	    #include <sys/types.h>
 	    #include <grp.h>
-	], [
+	]], [[
 	    gid_t gid;
 	    struct group gr;
 	    char buf[512];
 	    int buflen = 512;
 
 	    (void)getgrgid_r(gid, &gr, buf, buflen);
-	], tcl_cv_api_getgrgid_r_4=yes, tcl_cv_api_getgrgid_r_4=no)])
+	]])],[tcl_cv_api_getgrgid_r_4=yes],[tcl_cv_api_getgrgid_r_4=no])])
 	tcl_ok=$tcl_cv_api_getgrgid_r_4
 	if test "$tcl_ok" = yes; then
 	    AC_DEFINE(HAVE_GETGRGID_R_4, 1,
@@ -2855,34 +2867,34 @@ AC_DEFUN([SC_TCL_GETGRGID_R], [AC_CHECK_FUNC(getgrgid_r, [
 
 AC_DEFUN([SC_TCL_GETGRNAM_R], [AC_CHECK_FUNC(getgrnam_r, [
     AC_CACHE_CHECK([for getgrnam_r with 5 args], tcl_cv_api_getgrnam_r_5, [
-    AC_TRY_COMPILE([
+    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 	#include <sys/types.h>
 	#include <grp.h>
-    ], [
+    ]], [[
 	char *name;
 	struct group gr, *grp;
 	char buf[512];
 	int buflen = 512;
 
 	(void) getgrnam_r(name, &gr, buf, buflen, &grp);
-    ], tcl_cv_api_getgrnam_r_5=yes, tcl_cv_api_getgrnam_r_5=no)])
+    ]])],[tcl_cv_api_getgrnam_r_5=yes],[tcl_cv_api_getgrnam_r_5=no])])
     tcl_ok=$tcl_cv_api_getgrnam_r_5
     if test "$tcl_ok" = yes; then
 	AC_DEFINE(HAVE_GETGRNAM_R_5, 1,
 	    [Define to 1 if getgrnam_r takes 5 args.])
     else
 	AC_CACHE_CHECK([for getgrnam_r with 4 args], tcl_cv_api_getgrnam_r_4, [
-	AC_TRY_COMPILE([
+	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 	    #include <sys/types.h>
 	    #include <grp.h>
-	], [
+	]], [[
 	    char *name;
 	    struct group gr;
 	    char buf[512];
 	    int buflen = 512;
 
 	    (void)getgrnam_r(name, &gr, buf, buflen);
-	], tcl_cv_api_getgrnam_r_4=yes, tcl_cv_api_getgrnam_r_4=no)])
+	]])],[tcl_cv_api_getgrnam_r_4=yes],[tcl_cv_api_getgrnam_r_4=no])])
 	tcl_ok=$tcl_cv_api_getgrnam_r_4
 	if test "$tcl_ok" = yes; then
 	    AC_DEFINE(HAVE_GETGRNAM_R_4, 1,