SANTUARIO-549 - configure getcwd(NULL, 0) test fails when cross compiling
https://issues.apache.org/jira/browse/SANTUARIO-549
git-svn-id: https://svn.apache.org/repos/asf/santuario/xml-security-cpp/trunk@1894268 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/configure.ac b/configure.ac
index f40c549..ab77e92 100644
--- a/configure.ac
+++ b/configure.ac
@@ -74,14 +74,18 @@
# Check whether getcwd can dynamically allocate memory.
AC_MSG_CHECKING([whether getcwd(NULL, 0) works])
-AC_RUN_IFELSE([AC_LANG_PROGRAM([#include <stdlib.h>
- #include <unistd.h>],
-[char *cwd = getcwd(NULL, 0);
-return (cwd != NULL) ? EXIT_SUCCESS : EXIT_FAILURE;])],
- [AC_MSG_RESULT(yes)
- AC_DEFINE([XSEC_HAVE_GETCWD_DYN], [1],
- [Define to 1 if getcwd(NULL, 0) works])],
- [AC_MSG_RESULT(no)])
+AC_CACHE_VAL([xml_cv_func_getcwd_null],
+[AC_RUN_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
+ #include <unistd.h>
+ char *cwd = getcwd(NULL, 0);
+ return (cwd != NULL) ? EXIT_SUCCESS : EXIT_FAILURE;]])],
+ [xml_cv_func_getcwd_null=yes],
+ [xml_cv_func_getcwd_null=no])])
+AC_MSG_RESULT([$xml_cv_func_getcwd_null])
+if test $xml_cv_func_getcwd_null = yes; then
+AC_DEFINE([XSEC_HAVE_GETCWD_DYN], [1],
+ [Define to 1 if getcwd(NULL, 0) works])
+fi
AC_LANG(C++)
