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authorAndrew Bartlett <abartlet@samba.org>2003-03-05 09:33:43 +0000
committerAndrew Bartlett <abartlet@samba.org>2003-03-05 09:33:43 +0000
commitce7f54e953a4f6676c3569dc113e76147e19ef45 (patch)
tree943cc382247801a0e2155587d24909ceb2b0bf17 /source3
parentb4e60e5d7b1abcbf519fb2fdf4e6a5b121d32d60 (diff)
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Add a test for a useful property of the compiler - we can get link-time
failures for some compile-time properties this way. Andrew Bartlett (This used to be commit ce618624b7df797e228f8ef0f19820b318c62ae9)
Diffstat (limited to 'source3')
-rw-r--r--source3/configure.in18
1 files changed, 18 insertions, 0 deletions
diff --git a/source3/configure.in b/source3/configure.in
index 269d70c2fc..cc38e37f3f 100644
--- a/source3/configure.in
+++ b/source3/configure.in
@@ -653,6 +653,24 @@ if test x"$samba_cv_immediate_structures" = x"yes"; then
fi
############################################
+# check if the compiler can do immediate structures
+AC_CACHE_CHECK([if the compiler will optimize out function calls],samba_cv_optimize_out_funcation_calls, [
+ AC_TRY_LINK([
+#include <stdio.h>],
+[
+ if (1) {
+ this_function_does_not_exist();
+ } else {
+ return 1;
+ }
+
+],
+ samba_cv_optimize_out_funcation_calls=yes,samba_cv_optimize_out_funcation_calls=no)])
+if test x"$samba_cv_optimize_out_funcation_calls" = x"yes"; then
+ AC_DEFINE(HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS,1,[Whether the compiler will optimize out function calls])
+fi
+
+############################################
# check for unix domain sockets
AC_CACHE_CHECK([for unix domain sockets],samba_cv_unixsocket, [
AC_TRY_COMPILE([