Eliminate (obsolete) use of AC_TRY_LINK in */configure.in. Still generates the same */configure scripts with autoconf-2.59.

1 files changed, 20 insertions, 23 deletions

diff --git a/win/configure.in b/win/configure.in
index 79056b4..da54512 100644
--- a/win/configure.in
+++ b/win/configure.in
@@ -60,7 +60,15 @@ fi
 
 AC_PROG_CC
 AC_C_INLINE
-AC_HEADER_STDC
+m4_warn([obsolete],
+[The preprocessor macro `STDC_HEADERS' is obsolete.
+  Except in unusual embedded environments, you can safely include all
+  ISO C90 headers unconditionally.])dnl
+# Autoupdate added the next two lines to ensure that your configure
+# script's behavior did not change.  They are probably safe to remove.
+AC_CHECK_INCLUDES_DEFAULT
+AC_PROG_EGREP
+
 
 AC_CHECK_TOOL(AR, ar)
 AC_CHECK_TOOL(RANLIB, ranlib)
@@ -199,17 +207,14 @@ AC_CHECK_TYPE([uintptr_t], [
 
 AC_CACHE_CHECK(for FINDEX_INFO_LEVELS in winbase.h,
     tcl_cv_findex_enums,
-AC_TRY_COMPILE([
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #undef WIN32_LEAN_AND_MEAN
-],
-[
+]], [[
   FINDEX_INFO_LEVELS i;
   FINDEX_SEARCH_OPS j;
-],
-        tcl_cv_findex_enums=yes,
-        tcl_cv_findex_enums=no)
+]])],[tcl_cv_findex_enums=yes],[tcl_cv_findex_enums=no])
 )
 if test "$tcl_cv_findex_enums" = "no"; then
     AC_DEFINE(HAVE_NO_FINDEX_ENUMS, 1,
@@ -220,17 +225,14 @@ fi
 
 AC_CACHE_CHECK(for intrinsics support in compiler,
     tcl_cv_intrinsics,
-AC_TRY_LINK([
+AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #undef WIN32_LEAN_AND_MEAN
 #include <intrin.h>
-],
-[
+]], [[
   __cpuidex(0,0,0);
-],
-        tcl_cv_intrinsics=yes,
-        tcl_cv_intrinsics=no)
+]])],[tcl_cv_intrinsics=yes],[tcl_cv_intrinsics=no])
 )
 if test "$tcl_cv_intrinsics" = "yes"; then
     AC_DEFINE(HAVE_INTRIN_H, 1,
@@ -241,11 +243,9 @@ fi
 
 AC_CACHE_CHECK(for wspiapi.h,
     tcl_cv_wspiapi_h,
-AC_TRY_COMPILE([
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #include <wspiapi.h>
-], [],
-        tcl_cv_wspiapi_h=yes,
-        tcl_cv_wspiapi_h=no)
+]], [[]])],[tcl_cv_wspiapi_h=yes],[tcl_cv_wspiapi_h=no])
 )
 if test "$tcl_cv_wspiapi_h" = "yes"; then
     AC_DEFINE(HAVE_WSPIAPI_H, 1,
@@ -258,17 +258,14 @@ fi
 
 AC_CACHE_CHECK(for FINDEX_INFO_LEVELS in winbase.h,
     tcl_cv_findex_enums,
-AC_TRY_COMPILE([
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #undef WIN32_LEAN_AND_MEAN
-],
-[
+]], [[
   FINDEX_INFO_LEVELS i;
   FINDEX_SEARCH_OPS j;
-],
-        tcl_cv_findex_enums=yes,
-        tcl_cv_findex_enums=no)
+]])],[tcl_cv_findex_enums=yes],[tcl_cv_findex_enums=no])
 )
 if test "$tcl_cv_findex_enums" = "no"; then
     AC_DEFINE(HAVE_NO_FINDEX_ENUMS, 1,