Define platform.h ISC_PLATFORM_USEBACKTRACE with config.h USE_BACKTRACE

config.h.in

@@ -272,7 +272,7 @@
 /* Define to 1 if you have the <krb5/krb5.h> header file. */
 #undef HAVE_KRB5_KRB5_H
 
-/* if system have backtrace function */
+/* define if system have backtrace function */
 #undef HAVE_LIBCTRACE
 
 /* Define if libidn2 was found */
@@ -539,6 +539,9 @@
 /* Define to use large-system tuning. */
 #undef TUNE_LARGE
 
+/* define if we can use backtrace */
+#undef USE_BACKTRACE
+
 /* Enable DNS Response Policy Service API */
 #undef USE_DNSRPS
 

config.h.win32

@@ -367,6 +367,9 @@ typedef __int64 off_t;
 /* Large system tuning */
 @TUNE_LARGE@
 
+/* define if we can use backtrace */
+@USE_BACKTRACE@
+
 /* the default value of dnssec-validation option */
 @VALIDATION_DEFAULT@
 

configure

@@ -734,7 +734,6 @@ A
 O
 ALWAYS_MAKE_SYMTABLE
 MKSYMTBL_PROGRAM
-ISC_PLATFORM_USEBACKTRACE
 PURIFY
 purify_path
 MKDEPPROG
@@ -17511,14 +17510,16 @@ esac
 #
 # Check whether --enable-backtrace was given.
 if test "${enable_backtrace+set}" = set; then :
-  enableval=$enable_backtrace; want_backtrace="$enableval"
+  enableval=$enable_backtrace;
 else
-  want_backtrace="yes"
+  enable_backtrace="yes"
 fi
 
-case $want_backtrace in
-yes)
-	ISC_PLATFORM_USEBACKTRACE="#define ISC_PLATFORM_USEBACKTRACE 1"
+
+if test "$enable_backtrace" = "yes"; then :
+
+$as_echo "#define USE_BACKTRACE 1" >>confdefs.h
+
        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <execinfo.h>
@@ -17526,23 +17527,20 @@ int
 main ()
 {
 return (backtrace((void **)0, 0));
+
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
 
-$as_echo "#define HAVE_LIBCTRACE /**/" >>confdefs.h
+$as_echo "#define HAVE_LIBCTRACE 1" >>confdefs.h
+
 
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
-	;;
-*)
-	ISC_PLATFORM_USEBACKTRACE="#undef ISC_PLATFORM_USEBACKTRACE"
-	;;
-esac
-
+fi
 
 # Check whether --enable-symtable was given.
 if test "${enable_symtable+set}" = set; then :

configure.in

@@ -1811,22 +1811,20 @@ esac
 # enable/disable dumping stack backtrace.  Also check if the system supports
 # glibc-compatible backtrace() function.
 #
-AC_ARG_ENABLE(backtrace,
-	      AS_HELP_STRING([--enable-backtrace],
-			     [log stack backtrace on abort [default=yes]]),
-	      want_backtrace="$enableval",  want_backtrace="yes")
-case $want_backtrace in
-yes)
-	ISC_PLATFORM_USEBACKTRACE="#define ISC_PLATFORM_USEBACKTRACE 1"
-	AC_TRY_LINK([#include <execinfo.h>],
-	[return (backtrace((void **)0, 0));],
-	[AC_DEFINE([HAVE_LIBCTRACE], [], [if system have backtrace function])],)
-	;;
-*)
-	ISC_PLATFORM_USEBACKTRACE="#undef ISC_PLATFORM_USEBACKTRACE"
-	;;
-esac
-AC_SUBST(ISC_PLATFORM_USEBACKTRACE)
+AC_ARG_ENABLE([backtrace],
+	      [AS_HELP_STRING([--enable-backtrace],
+			      [log stack backtrace on abort [default=yes]])],
+	      [], [enable_backtrace="yes"])
+
+AS_IF([test "$enable_backtrace" = "yes"],
+      [AC_DEFINE([USE_BACKTRACE], [1], [define if we can use backtrace])
+       AC_LINK_IFELSE(
+	 [AC_LANG_PROGRAM(
+	    [[#include <execinfo.h>]],
+	    [[return (backtrace((void **)0, 0));]]
+	  )],
+	 [AC_DEFINE([HAVE_LIBCTRACE], [1], [define if system have backtrace function])]
+       )])
 
 AC_ARG_ENABLE(symtable,
 	      AS_HELP_STRING([--enable-symtable],

lib/isc/backtrace.c

@@ -24,7 +24,7 @@
 #include <isc/result.h>
 #include <isc/util.h>
 
-#ifdef ISC_PLATFORM_USEBACKTRACE
+#ifdef USE_BACKTRACE
 /*
  * Getting a back trace of a running process is tricky and highly platform
  * dependent.  Our current approach is as follows:
@@ -52,9 +52,9 @@
 #else
 #define BACKTRACE_DISABLED
 #endif  /* HAVE_LIBCTRACE */
-#else	/* !ISC_PLATFORM_USEBACKTRACE */
+#else	/* USE_BACKTRACE */
 #define BACKTRACE_DISABLED
-#endif	/* ISC_PLATFORM_USEBACKTRACE */
+#endif	/* USE_BACKTRACE */
 
 #ifdef BACKTRACE_LIBC
 isc_result_t

lib/isc/include/isc/platform.h.in

@@ -78,11 +78,6 @@
  */
 @ISC_PLATFORM_HAVEDEVPOLL@
 
-/*! \brief
- * Define if we want to log backtrace
- */
-@ISC_PLATFORM_USEBACKTRACE@
-
 /*
  *** Printing.
  ***/

lib/isc/win32/include/isc/platform.h.in

@@ -67,11 +67,6 @@
  */
 #undef ISC_PLATFORM_HAVESYSUNH
 
-/*
- * Define if we want to log backtrace
- */
-@ISC_PLATFORM_USEBACKTRACE@
-
 /*
  * Defines for the noreturn attribute.
  */

win32utils/Configure

@@ -207,6 +207,7 @@ my @substdefh = ("AES_CC",
 		 "HAVE_DSA_GET0_PQG",
 		 "HAVE_ECDSA_SIG_GET0",
 		 "HAVE_RSA_SET0_KEY",
+		 "USE_BACKTRACE",
 		 "USE_OPENSSL",
 		 "USE_PKCS11",
                  "HAVE_PKCS11_ED25519",
@@ -231,8 +232,7 @@ my @substdefp = ("ISC_PLATFORM_BUSYWAITNOP",
                  "ISC_PLATFORM_HAVECMPXCHG",
                  "ISC_PLATFORM_HAVEXADD",
                  "ISC_PLATFORM_HAVEXADDQ",
-                 "ISC_PLATFORM_NEEDSTRCASESTR",
-                 "ISC_PLATFORM_USEBACKTRACE");
+                 "ISC_PLATFORM_NEEDSTRCASESTR");
 
 # for conf.sh
 
@@ -1160,7 +1160,7 @@ if ($msc_ver < 1400) {
 # backtrace for >= VS 2012
 
 if ($msc_ver >= 1700) {
-    $configdefp{"ISC_PLATFORM_USEBACKTRACE"} = 1;
+    $configdefh{"USE_BACKTRACE"} = 1;
 }
 
 # no version of MSVS supports strcasestr() yet