| Revision 2327,
1.2 KB
checked in by jamesog, 4 years ago
(diff) |
|
Update autoconf to silence warnings on autoconf >= 2.62
- AC_SUBST now only works with one variable per call
- When using AC_CACHE the variable must contain the string '_cv_', thus prefix all cache variables with box_cv_
|
-
Property svn:eol-style set to
native
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| 1 | dnl @synopsis AX_CHECK_MALLOC_WORKAROUND |
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| 2 | dnl |
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| 3 | dnl This macro will see if there is a potential STL memory leak, and if we can |
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| 4 | dnl work around it will define __USE_MALLOC as the fix. |
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| 5 | dnl |
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| 6 | dnl @category C |
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| 7 | dnl @author Martin Ebourne |
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| 8 | dnl @version 2005/07/12 |
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| 9 | dnl @license AllPermissive |
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| 10 | |
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| 11 | AC_DEFUN([AX_CHECK_MALLOC_WORKAROUND], [ |
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| 12 | if test "x$GXX" = "xyes"; then |
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| 13 | AC_CACHE_CHECK([for gcc version 3 or later], [box_cv_gcc_3_plus], |
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| 14 | [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
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| 15 | #if __GNUC__ < 3 |
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| 16 | #error "Old GNU C" |
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| 17 | #endif |
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| 18 | ]])], |
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| 19 | [box_cv_gcc_3_plus=yes], [box_cv_gcc_3_plus=no] |
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| 20 | )]) |
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| 21 | if test "x$box_cv_gcc_3_plus" = "xno"; then |
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| 22 | AC_CACHE_CHECK([for malloc workaround], [box_cv_malloc_workaround], |
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| 23 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
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| 24 | #define __USE_MALLOC |
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| 25 | #include <string> |
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| 26 | ]], [[ |
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| 27 | std::string s; |
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| 28 | s = "test"; |
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| 29 | ]])], |
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| 30 | [box_cv_malloc_workaround=yes], [box_cv_malloc_workaround=no] |
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| 31 | )]) |
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| 32 | if test "x$box_cv_malloc_workaround" = "xyes"; then |
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| 33 | AC_DEFINE([__USE_MALLOC], 1, |
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| 34 | [Define to 1 if __USE_MALLOC is required work around STL memory leaks]) |
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| 35 | fi |
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| 36 | fi |
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| 37 | fi |
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| 38 | ])dnl |
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