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authorReinhard Tartler <siretart@tauware.de>2007-02-14 09:01:45 +0100
committerReinhard Tartler <siretart@tauware.de>2007-02-14 09:01:45 +0100
commitaa2943800f9c00823720af98da036813ebf5cd2c (patch)
tree099cc0264d32a36ab89aa3f48cbf34612c3cd225 /infrastructure/m4/ax_check_malloc_workaround.m4
initial commit
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diff --git a/infrastructure/m4/ax_check_malloc_workaround.m4 b/infrastructure/m4/ax_check_malloc_workaround.m4
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+dnl @synopsis AX_CHECK_MALLOC_WORKAROUND
+dnl
+dnl This macro will see if there is a potential STL memory leak, and if we can
+dnl work around it will define __USE_MALLOC as the fix.
+dnl
+dnl @category C
+dnl @author Martin Ebourne
+dnl @version 2005/07/12
+dnl @license AllPermissive
+
+AC_DEFUN([AX_CHECK_MALLOC_WORKAROUND], [
+ if test "x$GXX" = "xyes"; then
+ AC_CACHE_CHECK([for gcc version 3 or later], [gcc_3_plus],
+ [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+ #if __GNUC__ < 3
+ #error "Old GNU C"
+ #endif
+ ]])],
+ [gcc_3_plus=yes], [gcc_3_plus=no]
+ )])
+ if test "x$gcc_3_plus" = "xno"; then
+ AC_CACHE_CHECK([for malloc workaround], [malloc_workaround],
+ [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #define __USE_MALLOC
+ #include <string>
+ ]], [[
+ std::string s;
+ s = "test";
+ ]])],
+ [malloc_workaround=yes], [malloc_workaround=no]
+ )])
+ if test "x$malloc_workaround" = "xyes"; then
+ AC_DEFINE([__USE_MALLOC], 1,
+ [Define to 1 if __USE_MALLOC is required work around STL memory leaks])
+ fi
+ fi
+ fi
+ ])dnl