[or-cvs] Instead of listing a set of compilers that prefers __func__...

Nick Mathewson nickm at seul.org
Mon Mar 13 00:25:38 UTC 2006


Update of /home/or/cvsroot/tor
In directory moria:/tmp/cvs-serv5741

Modified Files:
	configure.in 
Log Message:
Instead of listing a set of compilers that prefers __func__ to __FUNCTION__, use autoconf.  Also, prefer __func__ in our own code: __func__ is a C99 standard, whereas __FUNCTION__ is not. [Fixes bug 254.]

Index: configure.in
===================================================================
RCS file: /home/or/cvsroot/tor/configure.in,v
retrieving revision 1.267
retrieving revision 1.268
diff -u -p -d -r1.267 -r1.268
--- configure.in	12 Mar 2006 03:01:07 -0000	1.267
+++ configure.in	13 Mar 2006 00:25:35 -0000	1.268
@@ -491,6 +491,45 @@ AC_CHECK_FUNC(gethostbyname_r, [
  CFLAGS=$OLD_CFLAGS
 ])
 
+AC_CACHE_CHECK([whether the C compiler supports __func__],
+  ac_cv_have_func_macro,
+  AC_COMPILE_IFELSE([
+#include <stdio.h>
+int main(int c, char **v) { puts(__func__); }],
+  ac_cv_have_func_macro=yes,
+  ac_cv_have_func_macro=no))
+
+AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
+  ac_cv_have_FUNC_macro,
+  AC_COMPILE_IFELSE([
+#include <stdio.h>
+int main(int c, char **v) { puts(__FUNC__); }],
+  ac_cv_have_FUNC_macro=yes,
+  ac_cv_have_FUNC_macro=no))
+
+AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
+  ac_cv_have_FUNCTION_macro,
+  AC_COMPILE_IFELSE([
+#include <stdio.h>
+int main(int c, char **v) { puts(__FUNCTION__); }],
+  ac_cv_have_FUNCTION_macro=yes,
+  ac_cv_have_FUNCTION_macro=no))
+
+if test $ac_cv_have_func_macro = 'yes'; then
+  AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
+fi
+
+
+if test $ac_cv_have_FUNC_macro = 'yes'; then
+  AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
+fi
+
+if test $ac_cv_have_FUNCTION_macro = 'yes'; then
+  AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
+           [Defined if the compiler supports __FUNCTION__])
+fi
+
+
 # $prefix stores the value of the --prefix command line option, or
 # NONE if the option wasn't set.  In the case that it wasn't set, make
 # it be the default, so that we can use it to expand directories now.



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